Migrate files from sli-plugins

Migrate sli-plugins repo into new
directory "plugins".

Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>

58 files changed, 0 insertions, 7096 deletions

diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfapicall/RestconfApiCallNode.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfapicall/RestconfApiCallNode.java
deleted file mode 100644
index 620df282f..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfapicall/RestconfApiCallNode.java
+++ /dev/null
@@ -1,484 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.restconfapicall;
-
-import com.google.gson.Gson;
-import com.google.gson.JsonElement;
-import com.google.gson.JsonObject;
-import com.google.gson.JsonParser;
-import com.google.gson.stream.JsonWriter;
-
-import javax.ws.rs.core.UriBuilder;
-import java.io.StringWriter;
-import java.io.Writer;
-import java.net.SocketException;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-
-import org.dom4j.Document;
-import org.dom4j.DocumentException;
-import org.dom4j.DocumentHelper;
-import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.onap.ccsdk.sli.core.sli.SvcLogicJavaPlugin;
-import org.onap.ccsdk.sli.plugins.restapicall.Format;
-import org.onap.ccsdk.sli.plugins.restapicall.HttpResponse;
-import org.onap.ccsdk.sli.plugins.restapicall.RestapiCallNode;
-import org.onap.ccsdk.sli.plugins.restapicall.XmlParser;
-import org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DataFormatSerializer;
-import org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DataFormatSerializerContext;
-import org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerFactory;
-import org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.Listener;
-import org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.MdsalSerializerHelper;
-import org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.SerializerHelper;
-import org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.YangParameters;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeSerializer;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.Namespace;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNodeSerializer;
-import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
-import org.opendaylight.restconf.nb.rfc8040.utils.parser.ParserIdentifier;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.opendaylight.yangtools.yang.model.api.SchemaNode;
-import org.osgi.framework.BundleContext;
-import org.osgi.framework.ServiceReference;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import static com.google.common.base.Strings.repeat;
-import static java.lang.String.format;
-import static java.lang.String.valueOf;
-import static org.apache.commons.lang3.StringUtils.join;
-import static org.onap.ccsdk.sli.plugins.restapicall.HttpMethod.DELETE;
-import static org.onap.ccsdk.sli.plugins.restapicall.HttpMethod.GET;
-import static org.onap.ccsdk.sli.plugins.restapicall.HttpMethod.PATCH;
-import static org.onap.ccsdk.sli.plugins.restapicall.HttpMethod.PUT;
-import static org.onap.ccsdk.sli.plugins.restapicall.RestapiCallNode.parseParam;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.ATTEMPTS_MSG;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.COLON;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.COMMA;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.COMM_FAIL;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.HEADER;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.HTTP_REQ;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.HTTP_RES;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.MAX_RETRY_ERR;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.NO_MORE_RETRY;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.REQ_ERR;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.REST_API_URL;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.RES_CODE;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.RES_MSG;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.RES_PRE;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.RETRY_COUNT;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.RETRY_FAIL;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.UPDATED_URL;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.getSchemaCtxFromDir;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.getUpdatedXmlReq;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.getYangParameters;
-import static org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiUtils.parseUrl;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfListenerFactory.instance;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.FORMAT_ERR;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.UTF_HEADER;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.XML_TREE_ERR;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.getXmlWriter;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getModuleNamespace;
-import static org.osgi.framework.FrameworkUtil.getBundle;
-
-/**
- * Representation of a plugin to enable RESTCONF based CRUD operations from DG.
- */
-public class RestconfApiCallNode implements SvcLogicJavaPlugin {
-
-    /**
-     * Logger for the restconf api call node class.
-     */
-    private static final Logger log = LoggerFactory.getLogger(
-            RestconfApiCallNode.class);
-
-    /**
-     * Rest api call node service instance
-     */
-    private RestapiCallNode restapiCallNode;
-
-    /**
-     * Creates an instance of restconf api call node with restapi call node.
-     *
-     * @param r restapi call node
-     */
-    public RestconfApiCallNode(RestapiCallNode r) {
-        this.restapiCallNode = r;
-    }
-
-    /**
-     * Returns the restapi call node instance.
-     * @return
-     */
-    public RestapiCallNode getRestapiCallNode() {
-        return restapiCallNode;
-    }
-
-    /**
-     * Sends the restconf request using the parameters map and the memory
-     * context. And this method allows the directed graphs to interact with
-     * the restconf api call node
-     *
-     * @param paramMap parameters map
-     * @param ctx      service logic context
-     * @throws SvcLogicException when svc logic exception occurs
-     */
-    public void sendRequest(Map<String, String> paramMap, SvcLogicContext ctx)
-            throws SvcLogicException {
-        sendRequest(paramMap, ctx, 0);
-    }
-
-    /**
-     * Sends the restconf request using the parameters map and the memory
-     * context along with the retry count.
-     *
-     * @param paramMap   parameters map
-     * @param ctx        service logic context
-     * @param retryCount number of retry counts
-     * @throws SvcLogicException when svc logic exception occurs
-     */
-    public void sendRequest(Map<String, String> paramMap, SvcLogicContext ctx,
-                            Integer retryCount) throws SvcLogicException {
-        RestapiCallNode rest = getRestapiCallNode();
-        HttpResponse r = new HttpResponse();
-        try {
-            YangParameters p = getYangParameters(paramMap);
-
-            String pp = p.responsePrefix != null ? p.responsePrefix + '.' : "";
-            Map<String, String> props = new HashMap<>((Map)ctx.toProperties());
-            String uri = parseUrl(p.restapiUrl, p.httpMethod);
-            InstanceIdentifierContext<?> insIdCtx = getInsIdCtx(p, uri);
-
-            String req = null;
-            if (p.httpMethod != GET && p.httpMethod != DELETE) {
-                req = serializeRequest(props, p, uri, insIdCtx);
-                if (p.httpMethod == PUT || p.httpMethod == PATCH) {
-                    updateReq(req, p, insIdCtx);
-                }
-            }
-            if (req == null && p.requestBody != null) {
-                req = p.requestBody;
-            }
-
-            r = rest.sendHttpRequest(req, p);
-            if (p.returnRequestPayload && req != null) {
-                ctx.setAttribute(pp + HTTP_REQ, req);
-            }
-
-            String response = getResponse(ctx, p, pp, r);
-            if (response != null) {
-                try {
-                    Map<String, String> resProp = serializeResponse(
-                            p, uri, response, insIdCtx);
-                    for (Map.Entry<String, String> pro : resProp.entrySet()) {
-                        ctx.setAttribute(pro.getKey(), pro.getValue());
-                    }
-                } catch (SvcLogicException e) {
-                    convertToNormalRes(ctx, p, pp, response);
-                }
-            }
-        } catch (SvcLogicException e) {
-            boolean shouldRetry = false;
-            if (e.getCause().getCause() instanceof SocketException) {
-                shouldRetry = true;
-            }
-
-            log.error(REQ_ERR + e.getMessage(), e);
-            String prefix = parseParam(paramMap, RES_PRE, false, null);
-            setFailureResponseStatus(ctx, prefix, e.getMessage());
-        }
-
-        if (r != null && r.code >= 300) {
-            throw new SvcLogicException(valueOf(r.code) +
-                                                COLON + " " + r.message);
-        }
-    }
-
-    private void convertToNormalRes(SvcLogicContext ctx ,
-                                    YangParameters p, String pp, String body)
-            throws SvcLogicException {
-        if (p.convertResponse) {
-            Map<String, String> mm = null;
-            if (p.format == Format.XML) {
-                mm = XmlParser.convertToProperties(body, p.listNameList);
-            } else if (p.format == Format.JSON) {
-                mm = org.onap.ccsdk.sli.plugins.restapicall.JsonParser
-                        .convertToProperties(body);
-            }
-
-            if (mm != null) {
-                for (Map.Entry<String, String> entry : mm.entrySet()) {
-                    ctx.setAttribute(pp + entry.getKey(),
-                                     entry.getValue());
-                }
-            }
-        }
-    }
-
-    /**
-     * Serializes the request message to JSON or XML from the properties.
-     *
-     * @param properties properties
-     * @param params     YANG parameters
-     * @param uri        URI
-     * @param insIdCtx   instance identifier context
-     * @return JSON or XML message to be sent
-     * @throws SvcLogicException when serializing the request fails
-     */
-     public String serializeRequest(Map<String, String> properties,
-                                    YangParameters params, String uri,
-                                    InstanceIdentifierContext insIdCtx)
-             throws SvcLogicException {
-        PropertiesNodeSerializer propSer = new MdsalPropertiesNodeSerializer(
-                insIdCtx.getSchemaNode(), insIdCtx.getSchemaContext(), uri);
-        DataFormatSerializerContext serCtx = new DataFormatSerializerContext(
-                null, uri, null, propSer);
-        DataFormatSerializer ser = DfSerializerFactory.instance()
-                .getSerializer(serCtx, params);
-         //TODO: Handling of XML annotations
-        return ser.encode(properties, null);
-    }
-
-    /**
-     * Serializes the response message from JSON or XML to the properties.
-     *
-     * @param params   YANG parameters
-     * @param uri      URI
-     * @param response response message
-     * @param insIdCtx instance identifier context
-     * @return response message as properties
-     * @throws SvcLogicException when serializing the response fails
-     */
-    public Map<String, String> serializeResponse(YangParameters params,
-                                                 String uri, String response,
-                                                 InstanceIdentifierContext insIdCtx)
-            throws SvcLogicException {
-        PropertiesNodeSerializer propSer = new MdsalPropertiesNodeSerializer(
-                insIdCtx.getSchemaNode(), insIdCtx.getSchemaContext(), uri);
-        SerializerHelper helper = new MdsalSerializerHelper(
-                insIdCtx.getSchemaNode(), insIdCtx.getSchemaContext(), uri);
-        Listener listener = instance().getListener(helper, params);
-        DataFormatSerializerContext serCtx = new DataFormatSerializerContext(
-                listener, uri, null, propSer);
-        DataFormatSerializer ser = DfSerializerFactory.instance()
-                .getSerializer(serCtx, params);
-        return ser.decode(response);
-    }
-
-    /**
-     * Returns instance identifier context for a uri using the schema context.
-     *
-     * @param params YANG parameters
-     * @param uri    URI
-     * @return instance identifier context
-     * @throws SvcLogicException when getting schema context fails
-     */
-    private InstanceIdentifierContext<?> getInsIdCtx(YangParameters params,
-                                                     String uri)
-            throws SvcLogicException {
-        SchemaContext context = getSchemaContext(params);
-        return ParserIdentifier.toInstanceIdentifier(uri, context, null);
-    }
-
-    /**
-     * Returns the global schema context or schema context of particular YANG
-     * files present in a directory path.
-     *
-     * @param params YANG parameters
-     * @return schema context
-     * @throws SvcLogicException when schema context fetching fails
-     */
-    private SchemaContext getSchemaContext(YangParameters params)
-            throws SvcLogicException {
-        if (params.dirPath != null) {
-            return getSchemaCtxFromDir(params.dirPath);
-        }
-        BundleContext bc = getBundle(SchemaContext.class).getBundleContext();
-        SchemaContext schemaContext = null;
-        if (bc != null) {
-            ServiceReference reference = bc.getServiceReference(
-                    SchemaContext.class);
-            if (reference != null) {
-                schemaContext = (SchemaContext) bc.getService(reference);
-            }
-        }
-        return schemaContext;
-    }
-
-    /**
-     * Returns the response message body of a http response message.
-     *
-     * @param ctx    svc logic context
-     * @param params parameters
-     * @param pre    prefix to be appended
-     * @param res    http response
-     * @return response message body
-     */
-    public String getResponse(SvcLogicContext ctx, YangParameters params,
-                               String pre, HttpResponse res) {
-        ctx.setAttribute(pre + RES_CODE, valueOf(res.code));
-        ctx.setAttribute(pre + RES_MSG, res.message);
-
-        if (params.dumpHeaders && res.headers != null) {
-            for (Map.Entry<String, List<String>> a : res.headers.entrySet()) {
-                ctx.setAttribute(pre + HEADER + a.getKey(),
-                                 join(a.getValue(), COMMA));
-            }
-        }
-
-        if (res.body != null && res.body.trim().length() > 0) {
-            ctx.setAttribute(pre + HTTP_RES, res.body);
-            return res.body;
-        }
-        return null;
-    }
-
-    /**
-     * Sets the failure response status in the context memory.
-     *
-     * @param ctx    service logic context
-     * @param prefix prefix to be added
-     * @param errMsg error message
-     */
-    private void setFailureResponseStatus(SvcLogicContext ctx, String prefix,
-                                          String errMsg) {
-        HttpResponse res = new HttpResponse();
-        res.code = 500;
-        res.message = errMsg;
-        ctx.setAttribute(prefix + RES_CODE, valueOf(res.code));
-        ctx.setAttribute(prefix + RES_MSG, res.message);
-    }
-
-    /**
-     * Updates request message for JSON and XML data format, when the HTTP
-     * method points it as PUT or PATCH.
-     *
-     * @param req      current request message
-     * @param p        YANG parameters
-     * @param insIdCtx instance identifier context
-     * @return update request message
-     * @throws SvcLogicException when the data format type is wrong
-     */
-    public String updateReq(String req, YangParameters p,
-                             InstanceIdentifierContext<?> insIdCtx)
-            throws SvcLogicException {
-
-        SchemaNode schemaNode = insIdCtx.getSchemaNode();
-        Namespace modNs = getModuleNamespace(schemaNode.getQName(),
-                                             insIdCtx.getSchemaContext());
-        String nodeName = schemaNode.getQName().getLocalName();
-
-        switch (p.format) {
-            case JSON:
-                return getUpdatedJsonReq(req, nodeName, modNs.moduleName());
-
-            case XML:
-                return getXmlReqForPutOp(req, nodeName, modNs.moduleNs());
-
-            default:
-                throw new SvcLogicException(format(FORMAT_ERR, p.format));
-        }
-    }
-
-    /**
-     * Returns the updated JSON request message, when the HTTP method
-     * points to PUT or PATCH.
-     *
-     * @param req      current JSON request message
-     * @param nodeName root node name
-     * @param modName  module name of the root node
-     * @return update JSON request message
-     */
-    private String getUpdatedJsonReq(String req, String nodeName,
-                                     String modName) {
-        Writer writer = new StringWriter();
-        JsonWriter jsonWriter = new JsonWriter(writer);
-        jsonWriter.setIndent(repeat(" ", 4));
-
-        JsonParser jsonParser = new JsonParser();
-        JsonObject oldJson = (JsonObject)jsonParser.parse(req);
-        oldJson = remChildModName(oldJson, modName);
-        JsonObject newJson = new JsonObject();
-        newJson.add(modName + COLON + nodeName, oldJson.deepCopy());
-
-        Gson gson= new Gson();
-        gson.toJson(newJson, jsonWriter);
-        return writer.toString();
-    }
-
-    /**
-     * Removes module name from all the updated first level child node, if it
-     * is same as the root node added.
-     *
-     * @param oldJson JSON object for old request
-     * @param modName module name of root node
-     * @return JSON object for old request with updated child module name
-     */
-    private JsonObject remChildModName(JsonObject oldJson, String modName) {
-        Iterator<Map.Entry<String, JsonElement>> it = oldJson.entrySet().iterator();
-        Map<String, JsonElement> m = new HashMap<>();
-        while (it.hasNext()) {
-            Map.Entry<String, JsonElement> jNode = it.next();
-            if (jNode.getKey().contains(COLON)) {
-                String[] modArr = jNode.getKey().split(COLON);
-                if (modArr[0].equals(modName)) {
-                    it.remove();
-                    m.put(modArr[1], jNode.getValue());
-                }
-            }
-        }
-        if (!m.isEmpty()) {
-            for (Map.Entry<String, JsonElement> element : m.entrySet()) {
-                oldJson.add(element.getKey(), element.getValue());
-            }
-        }
-        return oldJson;
-    }
-
-    /**
-     * Returns the updated XML request message, when the HTTP method points
-     * to PUT or PATCH.
-     *
-     * @param req      current JSON request message
-     * @param nodeName root node name
-     * @param modNs    module namespace of the root node
-     * @return update JSON request message
-     * @throws SvcLogicException when XML parsing fails
-     */
-    private String getXmlReqForPutOp(String req, String nodeName,
-                                     URI modNs) throws SvcLogicException {
-        req = getUpdatedXmlReq(req, nodeName, modNs.toString());
-        Document oldDoc;
-        try {
-            oldDoc = DocumentHelper.parseText(req);
-        } catch (DocumentException e) {
-            throw new SvcLogicException(XML_TREE_ERR, e);
-        }
-        Writer writer = getXmlWriter(
-                UTF_HEADER + oldDoc.getRootElement().asXML(), "4");
-        return writer.toString();
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfapicall/RestconfApiUtils.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfapicall/RestconfApiUtils.java
deleted file mode 100644
index 1309102b3..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfapicall/RestconfApiUtils.java
+++ /dev/null
@@ -1,265 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- *
- * Modifications Copyright © 2018 IBM.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.restconfapicall;
-
-import java.io.File;
-import java.io.IOException;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.onap.ccsdk.sli.plugins.restapicall.HttpMethod;
-import org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.YangParameters;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.opendaylight.yangtools.yang.model.parser.api.YangSyntaxErrorException;
-import org.opendaylight.yangtools.yang.parser.rfc7950.repo.YangStatementStreamSource;
-import org.opendaylight.yangtools.yang.parser.spi.meta.ReactorException;
-import org.opendaylight.yangtools.yang.parser.stmt.reactor.CrossSourceStatementReactor;
-
-import static org.onap.ccsdk.sli.plugins.restapicall.RestapiCallNode.getParameters;
-import static org.onap.ccsdk.sli.plugins.restapicall.RestapiCallNode.parseParam;
-import static org.opendaylight.yangtools.yang.model.repo.api.StatementParserMode.DEFAULT_MODE;
-import static org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource.forFile;
-import static org.opendaylight.yangtools.yang.parser.rfc7950.reactor.RFC7950Reactors.defaultReactor;
-import static org.opendaylight.yangtools.yang.parser.rfc7950.repo.YangStatementStreamSource.create;
-
-/**
- * Utilities for restconf api call node.
- */
-public final class RestconfApiUtils {
-
-    static final String RES_CODE = "response-code";
-
-    static final String HTTP_REQ ="httpRequest";
-
-    static final String RES_PRE = "responsePrefix";
-
-    static final String RES_MSG = "response-message";
-
-    static final String HEADER = "header.";
-
-    static final String COMMA = ",";
-
-    static final String COLON = ":";
-
-    static final String HTTP_RES = "httpResponse";
-
-    static final String REST_API_URL = "restapiUrl";
-
-    static final String UPDATED_URL = "URL was set to";
-
-    static final String COMM_FAIL = "Failed to communicate with host %s." +
-            "Request will be re-attempted using the host %s.";
-
-    static final String RETRY_COUNT = "This is retry attempt %d out of %d";
-
-    static final String RETRY_FAIL = "Retry attempt has failed. No further " +
-            "retry shall be attempted, calling setFailureResponseStatus";
-
-    static final String NO_MORE_RETRY = "Could not attempt retry";
-
-    static final String MAX_RETRY_ERR = "Maximum retries reached, calling " +
-            "setFailureResponseStatus";
-
-    static final String ATTEMPTS_MSG = "%d attempts were made out of %d " +
-            "maximum retries";
-
-    static final String REQ_ERR = "Error sending the request: ";
-
-    private static final String SLASH = "/";
-
-    private static final String DIR_PATH = "dirPath";
-
-    private static final String URL_SYNTAX = "The following URL cannot be " +
-            "parsed into URI : ";
-
-    private static final String YANG = ".yang";
-
-    private static final String YANG_FILE_ERR = "Unable to parse the YANG " +
-            "file provided";
-
-    //No instantiation.
-    private RestconfApiUtils() {
-    }
-
-    /**
-     * Returns the YANG parameters after parsing it from the map.
-     *
-     * @param paramMap parameters map
-     * @return YANG parameters
-     * @throws SvcLogicException when parsing of parameters map fail
-     */
-    static YangParameters getYangParameters(Map<String, String> paramMap)
-            throws SvcLogicException {
-        YangParameters param = (YangParameters) getParameters(
-                paramMap, new YangParameters());
-        param.dirPath = parseParam(paramMap, DIR_PATH, false, null);
-        return param;
-    }
-
-    /**
-     * Parses the restconf URL and gives the YANG path from it, which can be
-     * used to get schema node. If it is a PUT operation, then a node must be
-     * reduced from the url to make it always point to the parent.
-     *
-     * @param url    restconf URL
-     * @param method HTTP operation
-     * @return YANG path pointing to parent
-     * @throws SvcLogicException when parsing the URL fails
-     */
-    public static String parseUrl(String url, HttpMethod method)
-            throws SvcLogicException {
-        URI uri;
-        try {
-            uri = new URI(url);
-        } catch (URISyntaxException e) {
-            throw new SvcLogicException(URL_SYNTAX + url, e);
-        }
-
-        String path = uri.getPath();
-        path = getParsedPath(path);
-        return path;
-    }
-
-    /**
-     * Returns the path which contains only the schema nodes.
-     *
-     * @param path path
-     * @return path representing schema
-     */
-    private static String getParsedPath(String path) {
-        String firstHalf;
-        String secondHalf;
-        if (path.contains(COLON)) {
-            String[] p = path.split(COLON);
-            if (p[0].contains(SLASH)) {
-                int slash = p[0].lastIndexOf(SLASH);
-                firstHalf = p[0].substring(slash + 1);
-            } else {
-                firstHalf = p[0];
-            }
-            secondHalf = path.substring(p[0].length() + 1);
-            return firstHalf + COLON + secondHalf;
-        } else if (path.contains(SLASH)) {
-            String[] p = path.split(SLASH);
-            if (p.length > 4) {
-                String actual = p[3] + COLON + p[4];
-                if (p.length > 5) {
-                    secondHalf = path.substring(
-                           p[1].length() + p[2].length() + actual.length() + 3);
-                    path = actual + secondHalf;
-                } else {
-                    path = actual;
-                }
-            }
-        }
-        return path;
-    }
-
-    /**
-     * Returns the schema context of the YANG files present in a directory.
-     *
-     * @param di directory path
-     * @return YANG schema context
-     * @throws SvcLogicException when YANG file reading fails
-     */
-    static SchemaContext getSchemaCtxFromDir(String di)
-            throws SvcLogicException {
-        Path d = Paths.get(di);
-        File dir = d.toFile();
-        List<File> yangFiles = new LinkedList<>();
-        getYangFiles(dir, yangFiles);
-        final Collection<YangStatementStreamSource> sources =
-                new ArrayList<>(yangFiles.size());
-        for (File file : yangFiles) {
-            try {
-                sources.add(create(forFile(file)));
-            } catch (IOException | YangSyntaxErrorException e) {
-                throw new SvcLogicException(YANG_FILE_ERR + e.getMessage(), e);
-            }
-        }
-
-        final CrossSourceStatementReactor.BuildAction reactor = defaultReactor()
-                .newBuild(DEFAULT_MODE).addSources(sources);
-        try {
-            return reactor.buildEffective();
-        } catch (ReactorException e) {
-            throw new SvcLogicException(YANG_FILE_ERR + e.getMessage(), e);
-        }
-    }
-
-    /**
-     * Returns all the YANG files present in a directory recursively.
-     *
-     * @param dir       path of the directory
-     * @param yangFiles list of YANG files
-     */
-    private static void getYangFiles(File dir, List<File> yangFiles) {
-        if (dir.exists()) {
-            File[] files = dir.listFiles();
-            if (files != null) {
-                processFiles(files, yangFiles);
-            }
-        }
-    }
-
-    /**
-     * Processes all the obtained files by isolating all the YANG files from
-     * all the directory of the given path recursively.
-     *
-     * @param files     files in the given path
-     * @param yangFiles YANG files list
-     */
-    private static void processFiles(File[] files, List<File> yangFiles) {
-        for (File file : files) {
-            if (file.isFile() && file.getName().endsWith(YANG)) {
-                yangFiles.add(file);
-            } else if (file.isDirectory()) {
-                getYangFiles(file, yangFiles);
-            }
-        }
-    }
-
-    /**
-     * Returns the updated XML request message by adding root node to it.
-     *
-     * @param req      XML request
-     * @param nodeName root node name
-     * @param modNs    module namespace of the root node
-     * @return updated XML request message
-     */
-    static String getUpdatedXmlReq(String req, String nodeName, String modNs) {
-        String rootNode = "\n<" + nodeName + " xmlns=\"" + modNs +
-                "\">\n";
-        req = req.replaceFirst("\n", rootNode);
-        req = req + "</" + nodeName + ">";
-        return req.replaceAll(">\\s+<", "><");
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/AdditionalHeaderWebTarget.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/AdditionalHeaderWebTarget.java
deleted file mode 100644
index 3213cae15..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/AdditionalHeaderWebTarget.java
+++ /dev/null
@@ -1,166 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- *
- * Modifications Copyright © 2018 IBM
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.restconfdiscovery;
-
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.client.WebTarget;
-import javax.ws.rs.core.Configuration;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.UriBuilder;
-import java.net.URI;
-import java.util.Map;
-
-/**
- * Adds additional headers for SSE request.
- */
-class AdditionalHeaderWebTarget implements WebTarget {
-    private WebTarget base;
-    private String token;
-
-    private String accessToken = "X-ACCESS-TOKEN";
-
-    public AdditionalHeaderWebTarget(WebTarget target, String token) {
-        base = target;
-        this.token = token;
-    }
-
-    @Override
-    public Invocation.Builder request() {
-        return base.request().header(accessToken, token);
-    }
-
-    @Override
-    public Invocation.Builder request(String... acceptedResponseTypes) {
-        return base.request().header(accessToken, token);
-    }
-
-    @Override
-    public Invocation.Builder request(MediaType... acceptedResponseTypes) {
-        return base.request().header(accessToken, token);
-    }
-
-    @Override
-    public Configuration getConfiguration() {
-        return base.getConfiguration();
-    }
-
-    @Override
-    public URI getUri() {
-        return base.getUri();
-    }
-
-    @Override
-    public UriBuilder getUriBuilder() {
-        return base.getUriBuilder();
-    }
-
-    @Override
-    public WebTarget path(String path) {
-        return base.path(path);
-    }
-
-    @Override
-    public WebTarget resolveTemplate(String name, Object value) {
-        return base.resolveTemplate(name, value);
-    }
-
-    @Override
-    public WebTarget resolveTemplate(String name, Object value, boolean encodeSlashInPath) {
-        return base.resolveTemplate(name, value, encodeSlashInPath);
-    }
-
-    @Override
-    public WebTarget resolveTemplateFromEncoded(String name, Object value) {
-        return base.resolveTemplateFromEncoded(name, value);
-    }
-
-    @Override
-    public WebTarget resolveTemplates(Map<String, Object> templateValues) {
-        return base.resolveTemplates(templateValues);
-    }
-
-    @Override
-    public WebTarget resolveTemplates(Map<String, Object> templateValues, boolean encodeSlashInPath) {
-        return base.resolveTemplates(templateValues, encodeSlashInPath);
-    }
-
-    @Override
-    public WebTarget resolveTemplatesFromEncoded(Map<String, Object> templateValues) {
-        return base.resolveTemplatesFromEncoded(templateValues);
-    }
-
-    @Override
-    public WebTarget matrixParam(String name, Object... values) {
-        return base.matrixParam(name, values);
-    }
-
-    @Override
-    public WebTarget queryParam(String name, Object... values) {
-        return base.queryParam(name, values);
-    }
-
-    @Override
-    public WebTarget property(String name, Object value) {
-        return base.property(name, value);
-    }
-
-    @Override
-    public WebTarget register(Class<?> componentClass) {
-        return base.register(componentClass);
-    }
-
-    @Override
-    public WebTarget register(Class<?> componentClass, int priority) {
-        return base.register(componentClass, priority);
-    }
-
-    @Override
-    public WebTarget register(Class<?> componentClass, Class<?>... contracts) {
-        return base.register(componentClass, contracts);
-    }
-
-    @Override
-    public WebTarget register(Class<?> componentClass, Map<Class<?>, Integer> contracts) {
-        return base.register(componentClass, contracts);
-    }
-
-    @Override
-    public WebTarget register(Object component) {
-        return base.register(component);
-    }
-
-    @Override
-    public WebTarget register(Object component, int priority) {
-        return base.register(component, priority);
-    }
-
-    @Override
-    public WebTarget register(Object component, Class<?>... contracts) {
-        return base.register(component, contracts);
-    }
-
-    @Override
-    public WebTarget register(Object component, Map<Class<?>, Integer> contracts) {
-        return base.register(component, contracts);
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/EventHandler.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/EventHandler.java
deleted file mode 100644
index a76554d5a..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/EventHandler.java
+++ /dev/null
@@ -1,46 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.restconfdiscovery;
-
-import org.glassfish.jersey.media.sse.InboundEvent;
-import org.glassfish.jersey.media.sse.EventListener;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Listener that can be registered to listen for notifications.
- */
-class EventHandler implements EventListener {
-    private static final Logger log = LoggerFactory.getLogger(EventListener.class);
-    private RestconfDiscoveryNode node;
-
-    public EventHandler(RestconfDiscoveryNode node) {
-        this.node = node;
-    }
-
-    @Override
-    public void onEvent(InboundEvent event) {
-        String payload = event.readData();
-        if (!node.eventQueue().offer(payload)) {
-            log.error("Unable to process event {} as processing queue is full", payload);
-        }
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/EventProcessor.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/EventProcessor.java
deleted file mode 100644
index 4f28072d3..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/EventProcessor.java
+++ /dev/null
@@ -1,76 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- *
- * Modifications Copyright © 2018 IBM
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.restconfdiscovery;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.slf4j.Logger;
-
-import java.util.Map;
-
-import static org.onap.ccsdk.sli.plugins.restapicall.JsonParser.convertToProperties;
-import static org.slf4j.LoggerFactory.getLogger;
-
-/**
- * Processes the events from event queue and executes callback DG.
- */
-class EventProcessor implements Runnable {
-
-    private static final Logger log = getLogger(EventProcessor.class);
-    private RestconfDiscoveryNode node;
-
-    private static final String EVENT_SUBSCRIPTION_ID = "notification." +
-            "push-change-update.subscription-id";
-
-    public EventProcessor(RestconfDiscoveryNode node) {
-        this.node = node;
-    }
-
-    @Override
-    public void run() {
-        while(true) {
-            try {
-                String payload = node.eventQueue().take();
-                Map<String, String> param = convertToProperties(payload);
-                String id = param.get(EVENT_SUBSCRIPTION_ID);
-                SubscriptionInfo info = node.subscriptionInfoMap().get(id);
-                if (info != null) {
-                    SvcLogicContext ctx = setContext(param);
-                    SvcLogicGraphInfo callbackDG = info.callBackDG();
-                    callbackDG.executeGraph(ctx);
-                }
-            } catch (InterruptedException | SvcLogicException e) {
-                log.error("Interrupted!", e);
-                Thread.currentThread().interrupt();
-            }
-        }
-    }
-
-    private SvcLogicContext setContext(Map<String, String> param) {
-        SvcLogicContext ctx = new SvcLogicContext();
-        for (Map.Entry<String, String> entry : param.entrySet()) {
-            ctx.setAttribute(entry.getKey(), entry.getValue());
-        }
-        return ctx;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/RestconfDiscoveryNode.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/RestconfDiscoveryNode.java
deleted file mode 100644
index cf69d7a3c..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/RestconfDiscoveryNode.java
+++ /dev/null
@@ -1,310 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.restconfdiscovery;
-
-import org.glassfish.jersey.media.sse.EventSource;
-import org.glassfish.jersey.media.sse.SseFeature;
-import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.onap.ccsdk.sli.plugins.restapicall.Parameters;
-import org.onap.ccsdk.sli.plugins.restapicall.RestapiCallNode;
-import org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiCallNode;
-import org.slf4j.Logger;
-
-import javax.net.ssl.SSLContext;
-import javax.net.ssl.TrustManager;
-import javax.net.ssl.X509TrustManager;
-import javax.ws.rs.client.Client;
-import javax.ws.rs.client.ClientBuilder;
-import javax.ws.rs.client.WebTarget;
-import java.security.KeyManagementException;
-import java.security.NoSuchAlgorithmException;
-import java.security.cert.CertificateException;
-import java.security.cert.X509Certificate;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.LinkedBlockingQueue;
-
-import static org.slf4j.LoggerFactory.getLogger;
-
-/**
- * Representation of a plugin to subscribe for notification and then
- * to handle the received notifications.
- */
-public class RestconfDiscoveryNode implements SvcLogicDiscoveryPlugin {
-
-    private static final Logger log = getLogger(RestconfDiscoveryNode.class);
-
-    private ExecutorService executor = Executors.newCachedThreadPool();
-    private Map<String, PersistentConnection> runnableInfo = new ConcurrentHashMap<>();
-    private RestconfApiCallNode restconfApiCallNode;
-
-    private volatile Map<String, SubscriptionInfo> subscriptionInfoMap = new ConcurrentHashMap<>();
-    private volatile LinkedBlockingQueue<String> eventQueue = new LinkedBlockingQueue<>();
-
-    private static final String SUBSCRIBER_ID = "subscriberId";
-    private static final String RESPONSE_CODE = "response-code";
-    private static final String RESPONSE_PREFIX = "responsePrefix";
-    private static final String OUTPUT_IDENTIFIER = "ietf-subscribed-notif" +
-            "ications:establish-subscription.output.identifier";
-    private static final String RESPONSE_CODE_200 = "200";
-    private static final String SSE_URL = "sseConnectURL";
-
-    /**
-     * Creates an instance of RestconfDiscoveryNode and starts processing of
-     * event.
-     *
-     * @param r restconf api call node
-     */
-    public RestconfDiscoveryNode(RestconfApiCallNode r) {
-        this.restconfApiCallNode = r;
-        ExecutorService e = Executors.newFixedThreadPool(20);
-        EventProcessor p = new EventProcessor(this);
-        for (int i = 0; i < 20; ++i) {
-            e.execute(p);
-        }
-    }
-
-    @Override
-    public void establishSubscription(Map<String, String> paramMap,
-                                      SvcLogicContext ctx) throws SvcLogicException {
-        String subscriberId = paramMap.get(SUBSCRIBER_ID);
-        if (subscriberId == null) {
-            throw new SvcLogicException("Subscriber Id is null");
-        }
-
-        restconfApiCallNode.sendRequest(paramMap, ctx);
-
-        if (getResponseCode(paramMap.get(RESPONSE_PREFIX), ctx).equals(RESPONSE_CODE_200)) {
-            // TODO: save subscription id and subscriber in MYSQL
-
-            establishPersistentConnection(paramMap, ctx, subscriberId);
-        } else {
-            log.info("Failed to subscribe {}", subscriberId);
-            throw new SvcLogicException(ctx.getAttribute(RESPONSE_CODE));
-        }
-    }
-
-    @Override
-    public void modifySubscription(Map<String, String> paramMap, SvcLogicContext ctx) {
-        // TODO: to be implemented
-    }
-
-    @Override
-    public void deleteSubscription(Map<String, String> paramMap, SvcLogicContext ctx) {
-        String id = getSubscriptionId(paramMap.get(SUBSCRIBER_ID));
-        if (id != null) {
-            PersistentConnection conn = runnableInfo.get(id);
-            conn.terminate();
-            runnableInfo.remove(id);
-            subscriptionInfoMap.remove(id);
-        }
-    }
-
-    class PersistentConnection implements Runnable {
-        private String url;
-        private volatile boolean running = true;
-        private Map<String, String> paramMap;
-
-        PersistentConnection(String url, Map<String, String> paramMap) {
-            this.url = url;
-            this.paramMap = paramMap;
-        }
-
-        private void terminate() {
-            running = false;
-        }
-
-        @Override
-        public void run() {
-            Parameters p;
-            WebTarget target = null;
-            try {
-                RestapiCallNode restapi = restconfApiCallNode.getRestapiCallNode();
-                p = RestapiCallNode.getParameters(paramMap, new Parameters());
-                Client client =  ignoreSslClient().register(SseFeature.class);
-                target = restapi.addAuthType(client, p).target(url);
-            } catch (SvcLogicException e) {
-                log.error("Exception occured!", e);
-                Thread.currentThread().interrupt();
-            }
-
-            target = addToken(target, paramMap.get("customHttpHeaders"));
-            EventSource eventSource = EventSource.target(target).build();
-            eventSource.register(new EventHandler(RestconfDiscoveryNode.this));
-            eventSource.open();
-            log.info("Connected to SSE source");
-            while (running) {
-                try {
-                    log.info("SSE state " + eventSource.isOpen());
-                    Thread.sleep(5000);
-                } catch (InterruptedException e) {
-                    log.error("Interrupted!", e);
-                    Thread.currentThread().interrupt();
-                }
-            }
-            eventSource.close();
-            log.info("Closed connection to SSE source");
-        }
-
-        private Client ignoreSslClient() {
-            SSLContext sslcontext = null;
-
-            try {
-                sslcontext = SSLContext.getInstance("TLS");
-                sslcontext.init(null, new TrustManager[]{new X509TrustManager() {
-                    @Override
-                    public void checkClientTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
-                    }
-
-                    @Override
-                    public void checkServerTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
-                    }
-
-                    @Override
-                    public X509Certificate[] getAcceptedIssuers() {
-                        return new X509Certificate[0];
-                    }
-                } }, new java.security.SecureRandom());
-            } catch (NoSuchAlgorithmException | KeyManagementException e) {
-                throw new IllegalStateException(e);
-            }
-
-            return ClientBuilder.newBuilder().sslContext(sslcontext).hostnameVerifier((s1, s2) -> true).build();
-        }
-    }
-
-    protected String getTokenId(String customHttpHeaders) {
-        if (customHttpHeaders.contains("=")) {
-            String[] s = customHttpHeaders.split("=");
-            return s[1];
-        }
-        return customHttpHeaders;
-    }
-
-    protected WebTarget addToken(WebTarget target, String customHttpHeaders) {
-        if (customHttpHeaders == null) {
-            return target;
-        }
-
-        return new AdditionalHeaderWebTarget(
-                target, getTokenId(customHttpHeaders));
-    }
-
-    /**
-     * Establishes a persistent between the client and server.
-     *
-     * @param paramMap input paramter map
-     * @param ctx service logic context
-     * @param subscriberId subscriber identifier
-     */
-    void establishPersistentConnection(Map<String, String> paramMap, SvcLogicContext ctx,
-                                              String subscriberId) {
-        String id = getOutputIdentifier(paramMap.get(RESPONSE_PREFIX), ctx);
-        SvcLogicGraphInfo callbackDG = new SvcLogicGraphInfo(paramMap.get("module"),
-                                                             paramMap.get("rpc"),
-                                                             paramMap.get("version"),
-                                                             paramMap.get("mode"));
-        SubscriptionInfo info = new SubscriptionInfo();
-        info.callBackDG(callbackDG);
-        info.subscriptionId(id);
-        info.subscriberId(subscriberId);
-        subscriptionInfoMap.put(id, info);
-
-        String url = paramMap.get(SSE_URL);
-        PersistentConnection connection = new PersistentConnection(url, paramMap);
-        runnableInfo.put(id, connection);
-        executor.execute(connection);
-    }
-
-    /**
-     * Returns response code.
-     *
-     * @param prefix prefix given in input parameter
-     * @param ctx service logic context
-     * @return response code
-     */
-    String getResponseCode(String prefix, SvcLogicContext ctx) {
-        return ctx.getAttribute(getPrefix(prefix) + RESPONSE_CODE);
-    }
-
-    /**
-     * Returns subscription id from event.
-     *
-     * @param prefix prefix given in input parameter
-     * @param ctx service logic context
-     * @return subscription id from event
-     */
-    String getOutputIdentifier(String prefix, SvcLogicContext ctx) {
-        return ctx.getAttribute(getPrefix(prefix) + OUTPUT_IDENTIFIER);
-    }
-
-    private String getPrefix(String prefix) {
-        return prefix != null ? prefix + "." : "";
-    }
-
-    private String getSubscriptionId(String subscriberId) {
-        for (Map.Entry<String,SubscriptionInfo> entry
-                : subscriptionInfoMap.entrySet()) {
-            if (entry.getValue().subscriberId()
-                    .equals(subscriberId)) {
-                return entry.getKey();
-            }
-        }
-        return null;
-    }
-
-    /**
-     * Returns restconfApiCallNode.
-     *
-     * @return restconfApiCallNode
-     */
-    protected RestconfApiCallNode restconfapiCallNode() {
-        return restconfApiCallNode;
-    }
-
-    /**
-     * Sets restconfApiCallNode.
-     *
-     * @param node restconfApiCallNode
-     */
-    void restconfapiCallNode(RestconfApiCallNode node) {
-        restconfApiCallNode = node;
-    }
-
-    Map<String, SubscriptionInfo> subscriptionInfoMap() {
-        return subscriptionInfoMap;
-    }
-
-    void subscriptionInfoMap(Map<String, SubscriptionInfo> subscriptionInfoMap) {
-        this.subscriptionInfoMap = subscriptionInfoMap;
-    }
-
-    LinkedBlockingQueue<String> eventQueue() {
-        return eventQueue;
-    }
-
-    void eventQueue(LinkedBlockingQueue<String> eventQueue) {
-        this.eventQueue = eventQueue;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SubscriptionInfo.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SubscriptionInfo.java
deleted file mode 100644
index 4ed3660ca..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SubscriptionInfo.java
+++ /dev/null
@@ -1,122 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.restconfdiscovery;
-
-/**
- * Holder to store information of subscription.
- */
-public class SubscriptionInfo {
-    private String subscriptionId;
-    private String subscriberId;
-    private SvcLogicGraphInfo callbackDG;
-    private String yangFilePath;
-    private String filterUrl;
-
-    /**
-     * Returns callback DG.
-     *
-     * @return callback DG
-     */
-    public SvcLogicGraphInfo callBackDG() {
-        return callbackDG;
-    }
-
-    /**
-     * Sets callback DG.
-     *
-     * @param callbackDg callback DG
-     */
-    public void callBackDG(SvcLogicGraphInfo callbackDg) {
-        this.callbackDG = callbackDg;
-    }
-
-    /**
-     * Returns YANG file path.
-     *
-     * @return YANG file path
-     */
-    public String yangFilePath() {
-        return yangFilePath;
-    }
-
-    /**
-     * Sets YANG file path.
-     *
-     * @param yangFilePath yang file path
-     */
-    public void yangFilePath(String yangFilePath) {
-        this.yangFilePath = yangFilePath;
-    }
-
-    /**
-     * Returns filter URL.
-     *
-     * @return filter URL
-     */
-    public String filterUrl() {
-        return filterUrl;
-    }
-
-    /**
-     * Sets filter URL.
-     *
-     * @param filterUrl filter URL
-     */
-    public void filterUrl(String filterUrl) {
-        this.filterUrl = filterUrl;
-    }
-
-    /**
-     * Returns subscription Id.
-     *
-     * @return subscription Id
-     */
-    public String subscriptionId() {
-        return subscriptionId;
-    }
-
-    /**
-     * Sets subscription id.
-     *
-     * @param subscriptionId subscription id
-     */
-    public void subscriptionId(String subscriptionId) {
-        this.subscriptionId = subscriptionId;
-    }
-
-    /**
-     * Returns subscription Id.
-     *
-     * @return subscription Id
-     */
-    public String subscriberId() {
-        return subscriberId;
-    }
-
-    /**
-     * Sets subscriber id.
-     *
-     * @param subscriberId subscriber id
-     */
-    public void subscriberId(String subscriberId) {
-        this.subscriberId = subscriberId;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SvcLogicDiscoveryPlugin.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SvcLogicDiscoveryPlugin.java
deleted file mode 100644
index dfe8cd5b7..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SvcLogicDiscoveryPlugin.java
+++ /dev/null
@@ -1,110 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.restconfdiscovery;
-
-import java.util.Map;
-import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.onap.ccsdk.sli.core.sli.SvcLogicJavaPlugin;
-
-/**
- * Abstraction of a plugin to enable discovery from DG.
- */
-public interface SvcLogicDiscoveryPlugin extends SvcLogicJavaPlugin {
-
-    /**
-     * Allows directed graphs to establish a discovery subscription for a given subscriber.
-     * @param paramMap HashMap<String,String> of parameters passed by the DG to this function
-     * <table border="1">
-     *  <thead><th>parameter</th><th>Mandatory/Optional</th><th>description</th><th>example values</th></thead>
-     *  <tbody>
-     *      <tr><td>templateDirName</td><td>Optional</td><td>full path to YANG directory that can be used to build a request</td><td>/sdncopt/bvc/resconfapi/test</td></tr>
-     *      <tr><td>establishSubscriptionURL</td><td>Mandatory</td><td>url to establish connection with server</td><td>https://127.0.0.1:8181/restconf/operations/ietf-subscribed-notifications:establish-subscription</td></tr>
-     *      <tr><td>sseConnectURL</td><td>Mandatory</td><td>url to setup SSE connection with server</td><td>https://127.0.0.1:8181/restconf/streams/yang-push-json</td></tr>
-     *      <tr><td>callbackDG</td><td>Mandatory</td><td>callback DG to process the received notification</td><td>Resource-Discovery:handleSOTNTopology</td></tr>
-     *      <tr><td>filterURL</td><td>Optional</td><td>url which needs to be subscribed, if null subscribe to all</td><td>http://example.com/sample-data/1.0</td></tr>
-     *      <tr><td>subscriptionType</td><td>Optional</td><td>type of subscription, periodic or onDataChange</td><td>onDataChange</td></tr>
-     *      <tr><td>updateFrequency</td><td>Optional</td><td>update frequency in milli seconds when subscription type is periodic</td><td>1000</td></tr>
-     *      <tr><td>restapiUser</td><td>Optional</td><td>user name to use for http basic authentication</td><td>sdnc_ws</td></tr>
-     *      <tr><td>restapiPassword</td><td>Optional</td><td>unencrypted password to use for http basic authentication</td><td>plain_password</td></tr>
-     *      <tr><td>contentType</td><td>Optional</td><td>http content type to set in the http header</td><td>usually application/json or application/xml</td></tr>
-     *      <tr><td>format</td><td>Optional</td><td>should match request body format</td><td>json or xml</td></tr>
-     *      <tr><td>responsePrefix</td><td>Optional</td><td>location the notification response will be written to in context memory</td><td>tmp.restconfdiscovery.result</td></tr>
-     *      <tr><td>skipSending</td><td>Optional</td><td></td><td>true or false</td></tr>
-     *      <tr><td>convertResponse </td><td>Optional</td><td>whether the response should be converted</td><td>true or false</td></tr>
-     *      <tr><td>customHttpHeaders</td><td>Optional</td><td>a list additional http headers to be passed in, follow the format in the example</td><td>X-CSI-MessageId=messageId,headerFieldName=headerFieldValue</td></tr>
-     *      <tr><td>dumpHeaders</td><td>Optional</td><td>when true writes http header content to context memory</td><td>true or false</td></tr>
-     *  </tbody>
-     * </table>
-     * @param ctx Reference to context memory
-     * @throws SvcLogicException
-     * @since 11.0.2
-     * @see String#split(String, int)
-     */
-    void establishSubscription(Map<String, String> paramMap, SvcLogicContext ctx) throws SvcLogicException;
-
-    /**
-     * Allows directed graphs to modify a discovery subscription for a given subscriber.
-     * @param paramMap HashMap<String,String> of parameters passed by the DG to this function
-     * <table border="1">
-     *  <thead><th>parameter</th><th>Mandatory/Optional</th><th>description</th><th>example values</th></thead>
-     *  <tbody>
-     *      <tr><td>subscriberId</td><td>Mandatory</td><td>subscription subscriber's identifier</td><td>topologyId/1111</td></tr>
-     *      <tr><td>templateDirName</td><td>Optional</td><td>full path to YANG directory that can be used to build a request</td><td>/sdncopt/bvc/resconfapi/test</td></tr>
-     *      <tr><td>establishSubscriptionURL</td><td>Mandatory</td><td>url to establish connection with server</td><td>https://127.0.0.1:8181/restconf/operations/ietf-subscribed-notifications:establish-subscription</td></tr>
-     *      <tr><td>sseConnectURL</td><td>Mandatory</td><td>url to setup SSE connection with server</td><td>https://127.0.0.1:8181/restconf/streams/yang-push-json</td></tr>
-     *      <tr><td>callbackDG</td><td>Mandatory</td><td>callback DG to process the received notification</td><td>Resource-Discovery:handleSOTNTopology</td></tr>
-     *      <tr><td>filterURL</td><td>Optional</td><td>url filter list which needs to be subscribed, if null subscribe to all</td><td>http://example.com/sample-data/1.0</td></tr>
-     *      <tr><td>subscriptionType</td><td>Optional</td><td>type of subscription, periodic or onDataChange</td><td>onDataChange</td></tr>
-     *      <tr><td>updateFrequency</td><td>Optional</td><td>update frequency in milli seconds when subscription type is periodic</td><td>1000</td></tr>
-     *      <tr><td>restapiUser</td><td>Optional</td><td>user name to use for http basic authentication</td><td>sdnc_ws</td></tr>
-     *      <tr><td>restapiPassword</td><td>Optional</td><td>unencrypted password to use for http basic authentication</td><td>plain_password</td></tr>
-     *      <tr><td>contentType</td><td>Optional</td><td>http content type to set in the http header</td><td>usually application/json or application/xml</td></tr>
-     *      <tr><td>format</td><td>Optional</td><td>should match request body format</td><td>json or xml</td></tr>
-     *      <tr><td>responsePrefix</td><td>Optional</td><td>location the notification response will be written to in context memory</td><td>tmp.restconfdiscovery.result</td></tr>
-     *      <tr><td>skipSending</td><td>Optional</td><td></td><td>true or false</td></tr>
-     *      <tr><td>convertResponse </td><td>Optional</td><td>whether the response should be converted</td><td>true or false</td></tr>
-     *      <tr><td>customHttpHeaders</td><td>Optional</td><td>a list additional http headers to be passed in, follow the format in the example</td><td>X-CSI-MessageId=messageId,headerFieldName=headerFieldValue</td></tr>
-     *      <tr><td>dumpHeaders</td><td>Optional</td><td>when true writes http header content to context memory</td><td>true or false</td></tr>
-     *  </tbody>
-     * </table>
-     * @param ctx Reference to context memory
-     * @throws SvcLogicException
-     * @since 11.0.2
-     * @see String#split(String, int)
-     */
-    void modifySubscription(Map<String, String> paramMap, SvcLogicContext ctx);
-
-    /**
-     * Allows directed graphs to delete the discovery subscription for a given subscriber.
-     * @param paramMap HashMap<String,String> of parameters passed by the DG to this function
-     * <table border="1">
-     *  <thead><th>parameter</th><th>Mandatory/Optional</th><th>description</th><th>example values</th></thead>
-     *  <tbody>
-     *      <tr><td>subscriberId</td><td>Mandatory</td><td>subscription subscriber's identifier</td><td>topologyId/1111</td></tr>
-     *  </tbody>
-     * </table>
-     * @param ctx Reference to context memory
-     * @throws SvcLogicException
-     */
-    void deleteSubscription(Map<String, String> paramMap, SvcLogicContext ctx);
-
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SvcLogicGraphInfo.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SvcLogicGraphInfo.java
deleted file mode 100644
index 1cc6261ab..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SvcLogicGraphInfo.java
+++ /dev/null
@@ -1,178 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.restconfdiscovery;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.onap.ccsdk.sli.core.sli.SvcLogicGraph;
-import org.onap.ccsdk.sli.core.sli.SvcLogicStore;
-import org.onap.ccsdk.sli.core.sli.provider.SvcLogicService;
-import org.osgi.framework.Bundle;
-import org.osgi.framework.BundleContext;
-import org.osgi.framework.FrameworkUtil;
-import org.osgi.framework.ServiceReference;
-
-/**
- * Holder to store callback directed graph info.
- */
-class SvcLogicGraphInfo {
-    private String module;
-    private String rpc;
-    private String mode;
-    private String version;
-
-    /**
-     * Creates an instance of SvcLogicGraphInfo.
-     *
-     * @param module module name of callback DG
-     * @param rpc rpc name of callback DG
-     * @param mode mode of callback DG
-     * @param version version of callback DG
-     */
-    public SvcLogicGraphInfo(String module, String rpc, String mode, String version) {
-        this.module = module;
-        this.rpc = rpc;
-        this.mode = mode;
-        this.version = version;
-    }
-
-    public SvcLogicGraphInfo() {}
-
-    /**
-     * Returns module name of callback DG.
-     *
-     * @return module name of callback DG
-     */
-    public String module() {
-        return module;
-    }
-
-    /**
-     * Sets module of callback DG.
-     *
-     * @param module module name of the DG
-     */
-    public void module(String module) {
-        this.module = module;
-    }
-
-    /**
-     * Returns rpc of callback DG.
-     *
-     * @return rpc of callback DG
-     */
-    public String rpc() {
-        return rpc;
-    }
-
-    /**
-     * Sets rpc of callback DG.
-     *
-     * @param rpc rpc attribute of the DG
-     */
-    public void rpc(String rpc) {
-        this.rpc = rpc;
-    }
-
-    /**
-     * Returns mode of callback DG.
-     *
-     * @return mode of callback DG
-     */
-    public String mode() {
-        return mode;
-    }
-
-    /**
-     * Sets mode of DG.
-     *
-     * @param mode mode of the DG
-     */
-    public void mode(String mode) {
-        this.mode = mode;
-    }
-
-    /**
-     * Returns version of callback DG.
-     *
-     * @return version of callback DG
-     */
-    public String version() {
-        return version;
-    }
-
-    /**
-     * Sets version of DG.
-     *
-     * @param version version of the DG
-     */
-    public void version(String version) {
-        this.version = version;
-    }
-
-    /**
-     * Executes call back DG.
-     *
-     * @param ctx service logic context
-     * @throws SvcLogicException service logic error
-     */
-    public void executeGraph(SvcLogicContext ctx) throws SvcLogicException {
-        SvcLogicService service = findSvcLogicService();
-        if (service == null) {
-            throw new SvcLogicException("\"Could not get SvcLogicService reference\"");
-        }
-
-        SvcLogicStore store = service.getStore();
-        if (store != null) {
-            SvcLogicGraph subGraph = store.fetch(module, rpc, mode, version);
-            if (subGraph != null) {
-                ctx.setAttribute("subGraph", subGraph.toString());
-                service.execute(subGraph, ctx);
-            } else {
-                throw new SvcLogicException("Failed to call child [" + module +
-                                                    "," + rpc + "," + version +
-                                                    "," + mode + "] because" +
-                                                    " the" + " graph could" +
-                                                    " not be found");
-            }
-        } else {
-            throw new SvcLogicException("\"Could not get SvcLogicStore reference\"");
-        }
-    }
-
-    private static SvcLogicService findSvcLogicService() throws SvcLogicException {
-        Bundle bundle = FrameworkUtil.getBundle(SvcLogicService.class);
-        if (bundle == null) {
-            throw new SvcLogicException("Cannot find bundle reference for "
-                                                + SvcLogicService.NAME);
-        }
-
-        BundleContext bctx = bundle.getBundleContext();
-        ServiceReference<SvcLogicService> sref = bctx.getServiceReference(
-                SvcLogicService.class);
-        if (sref  != null) {
-            return bctx.getService(sref);
-        } else {
-            throw new SvcLogicException("Cannot find service reference for "
-                                                + SvcLogicService.NAME);
-        }
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/Annotation.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/Annotation.java
deleted file mode 100644
index 185f70ba0..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/Annotation.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-/**
- * Representation of an entity that represents annotated attribute.
- */
-public class Annotation {
-
-    /**
-     * Name of the annotation.
-     */
-    private String name;
-
-    /**
-     * Value of the annotation.
-     */
-    private String value;
-
-    /**
-     * Creates an instance of annotation.
-     *
-     * @param n annotation name
-     * @param v annotation value
-     */
-    public Annotation(String n, String v) {
-        name = n;
-        value = v;
-    }
-
-    /**
-     * Returns name of annotation.
-     *
-     * @return name of annotation
-     */
-    public String name() {
-        return name;
-    }
-
-    /**
-     * Returns value of annotation.
-     *
-     * @return value of annotation
-     */
-    public String value() {
-        return value;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormat.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormat.java
deleted file mode 100644
index c692f1dd2..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormat.java
+++ /dev/null
@@ -1,37 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-/**
- * Representation of data format.
- */
-public enum DataFormat {
-
-    /**
-     * XML data format.
-     */
-    XML,
-
-    /**
-     * JSON data format.
-     */
-    JSON
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormatSerializer.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormatSerializer.java
deleted file mode 100644
index cab64391a..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormatSerializer.java
+++ /dev/null
@@ -1,94 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-
-import java.util.List;
-import java.util.Map;
-
-/**
- * Abstraction of serializer to encode/decode context memory parameters
- * to/from specified data format.
- */
-public abstract class DataFormatSerializer {
-
-    /**
-     * Data format type of the serializer.
-     */
-    private DataFormat dataFormat;
-
-    /**
-     * Data format serializer context.
-     */
-    private DataFormatSerializerContext serializerContext;
-
-    /**
-     * Creates an instance of data format serializer.
-     *
-     * @param d type of data format
-     * @param s data format serializer context
-     */
-    protected DataFormatSerializer(DataFormat d,
-                                   DataFormatSerializerContext s) {
-        this.dataFormat = d;
-        this.serializerContext = s;
-    }
-
-    /**
-     * Encodes context memory parameters to data format.
-     *
-     * @param param context memory parameter
-     * @param annotations annotations
-     * @return data format body
-     * @throws SvcLogicException when serialization fails
-     */
-    public abstract String encode(Map<String, String> param,
-        Map<String, List<Annotation>> annotations) throws SvcLogicException;
-
-    /**
-     * Decodes data format body to context memory parameters.
-     *
-     * @param dataFormatBody abstract node
-     * @return context memory parameters
-     * @throws SvcLogicException when serialization fails
-     */
-    public abstract Map<String, String> decode(String dataFormatBody)
-            throws SvcLogicException;
-
-    /**
-     * Returns data format serializer context.
-     *
-     * @return data format serializer context
-     */
-    public DataFormatSerializerContext serializerContext() {
-        return serializerContext;
-    }
-
-    /**
-     * Returns supported data format.
-     *
-     * @return supported data format
-     */
-    public DataFormat dataFormat() {
-        return dataFormat;
-    }
-}
\ No newline at end of file
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormatSerializerContext.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormatSerializerContext.java
deleted file mode 100644
index 919e82af3..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormatSerializerContext.java
+++ /dev/null
@@ -1,104 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNodeSerializer;
-
-import java.util.Map;
-
-/**
- * Abstraction of data format serializer context.
- */
-public class DataFormatSerializerContext {
-
-    /**
-     * Data format listener.
-     */
-    private Listener listener;
-
-    /**
-     * URI corresponding to the instance identifier.
-     */
-    private String uri;
-
-    /**
-     * Protocol annotation.
-     */
-    private Map<String, String> protocolAnnotation;
-
-    /**
-     * Properties node serializer.
-     */
-    private PropertiesNodeSerializer propNodeSerializer;
-
-    /**
-     * Creates an instance of data format serializer context.
-     *
-     * @param l data format listener
-     * @param u URI corresponding to instance identifier
-     * @param p protocol annotations
-     * @param s properties node serializer
-     */
-    public DataFormatSerializerContext(Listener l, String u,
-                                       Map<String, String> p,
-                                       PropertiesNodeSerializer s) {
-        listener = l;
-        uri = u;
-        protocolAnnotation = p;
-        propNodeSerializer = s;
-    }
-
-    /**
-     * Returns the data format listener.
-     *
-     * @return data format listener
-     */
-    public Listener listener() {
-        return listener;
-    }
-
-    /**
-     * Returns the URI.
-     *
-     * @return URI
-     */
-    public String uri() {
-        return uri;
-    }
-
-    /**
-     * Returns the protocol annotations.
-     *
-     * @return protocol annotations
-     */
-    public Map<String, String> getProtocolAnnotation() {
-        return protocolAnnotation;
-    }
-
-    /**
-     * Returns the properties node serializer.
-     *
-     * @return properties node serializer
-     */
-    public PropertiesNodeSerializer getPropNodeSerializer() {
-        return propNodeSerializer;
-    }
-}
\ No newline at end of file
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultJsonListener.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultJsonListener.java
deleted file mode 100644
index 45317522a..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultJsonListener.java
+++ /dev/null
@@ -1,145 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import com.fasterxml.jackson.databind.JsonNode;
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType;
-
-import static java.lang.String.format;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.NODE_TYPE_ERR;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_LEAF_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_LEAF_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_NODE;
-
-
-/**
- * Representation of default implementation of JSON listener.
- */
-public class DefaultJsonListener implements JsonListener {
-
-    /**
-     * Serializer helper to convert to properties node.
-     */
-    private SerializerHelper serializerHelper;
-
-    /**
-     * Name of the current JSON node.
-     */
-    private String name;
-
-    /**
-     * Module name of the current JSON node.
-     */
-    private String modName;
-
-    /**
-     * Value of the current JSON node.
-     */
-    private String value;
-
-    /**
-     * Value namespace of the current JSON node.
-     */
-    private String valueNs;
-
-    /**
-     * Creates an instance of default json listener with its serializer helper.
-     *
-     * @param serializerHelper serializer helper
-     */
-    public DefaultJsonListener(SerializerHelper serializerHelper) {
-        this.serializerHelper = serializerHelper;
-    }
-
-    @Override
-    public void enterJsonNode(String nodeName, JsonNode node,
-                              NodeType nodeType) throws SvcLogicException {
-        getNodeName(nodeName, false);
-
-        switch (nodeType) {
-            case SINGLE_INSTANCE_LEAF_NODE:
-                getNodeName(node.asText(), true);
-                serializerHelper.addNode(name, modName, value, valueNs,
-                                         SINGLE_INSTANCE_LEAF_NODE);
-                break;
-
-            case MULTI_INSTANCE_LEAF_NODE:
-                getNodeName(node.asText(), true);
-                serializerHelper.addNode(name, modName, value, valueNs,
-                                         MULTI_INSTANCE_LEAF_NODE);
-                break;
-
-            case SINGLE_INSTANCE_NODE:
-                serializerHelper.addNode(name, modName, null, null,
-                                         SINGLE_INSTANCE_NODE);
-                break;
-
-            case MULTI_INSTANCE_NODE:
-                serializerHelper.addNode(name, modName, null, null,
-                                         MULTI_INSTANCE_NODE);
-                break;
-
-            default:
-                throw new SvcLogicException(format(NODE_TYPE_ERR,
-                                                   nodeType.toString()));
-        }
-    }
-
-    @Override
-    public void exitJsonNode(JsonNode node) throws SvcLogicException {
-        serializerHelper.exitNode();
-    }
-
-    @Override
-    public SerializerHelper serializerHelper() {
-        return serializerHelper;
-    }
-
-    /**
-     * Parses the abstract JSON name and fills the node name and node
-     * namespace or value and value namespace of the current JSON node .
-     *
-     * @param abstractName full name value
-     * @param isVal if it is for value parsing
-     */
-    private void getNodeName(String abstractName, boolean isVal) {
-        String[] val = abstractName.split(":");
-        if (val.length == 2) {
-            if (isVal) {
-                valueNs = val[0];
-                value = val[1];
-            } else {
-                modName = val[0];
-                name = val[1];
-            }
-        } else {
-            if (isVal) {
-                value = val[0];
-                valueNs = null;
-            } else {
-                name = val[0];
-                modName = null;
-            }
-        }
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultJsonWalker.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultJsonWalker.java
deleted file mode 100644
index 47cb8b292..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultJsonWalker.java
+++ /dev/null
@@ -1,141 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.node.ArrayNode;
-import com.fasterxml.jackson.databind.node.JsonNodeType;
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType;
-
-import java.util.Iterator;
-import java.util.Map;
-
-import static com.fasterxml.jackson.databind.node.JsonNodeType.NUMBER;
-import static com.fasterxml.jackson.databind.node.JsonNodeType.STRING;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_LEAF_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_LEAF_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_NODE;
-
-/**
- * Implementation of JSON walker to walk through the nodes and process it.
- */
-public class DefaultJsonWalker implements JsonWalker {
-
-    @Override
-    public void walk(JsonListener listener, JsonNode jsonNode) throws
-            SvcLogicException {
-        Iterator<Map.Entry<String, JsonNode>> children = jsonNode.fields();
-        while (children.hasNext()) {
-            Map.Entry<String, JsonNode> child = children.next();
-            JsonNode value = child.getValue();
-            String key = child.getKey();
-            if (value.isArray()) {
-                processMultiNodes(key, value, listener);
-            } else {
-                processSingleNode(key, value, listener);
-            }
-        }
-    }
-
-    /**
-     * Processes single instance node or leaf, by adding the node to from
-     * JSON and walking through all its children recursively.
-     *
-     * @param key      JSON name
-     * @param value    JSON node
-     * @param listener JSON listener
-     * @throws SvcLogicException when processing the node fails
-     */
-    private void processSingleNode(String key, JsonNode value,
-                                   JsonListener listener)
-            throws SvcLogicException {
-        NodeType nodeType;
-        if (!value.isContainerNode()) {
-            nodeType = SINGLE_INSTANCE_LEAF_NODE;
-        } else {
-            nodeType = SINGLE_INSTANCE_NODE;
-        }
-        processNode(key, value, nodeType, listener);
-    }
-
-    /**
-     * Processes multi instance node or leaf, by adding the node to from JSON
-     * and walking through all its instance recursively.
-     *
-     * @param key      JSON name
-     * @param value    JSON node
-     * @param listener JSON listener
-     * @throws SvcLogicException when processing a single instance fails
-     */
-    private void processMultiNodes(String key, JsonNode value,
-                                   JsonListener listener)
-            throws SvcLogicException {
-        NodeType nodeType;
-        Iterator<JsonNode> multiNodes = value.elements();
-        while (multiNodes.hasNext()) {
-            if (isLeafListNode((ArrayNode) value)) {
-                nodeType = MULTI_INSTANCE_LEAF_NODE;
-            } else {
-                nodeType = MULTI_INSTANCE_NODE;
-            }
-            JsonNode multiNode = multiNodes.next();
-            processNode(key, multiNode, nodeType, listener);
-        }
-    }
-
-    /**
-     * Processes each node by first entering the JSON node through JSON
-     * listener, second a call back to walking the rest of the tree of the
-     * node and finally exiting the node.
-     *
-     * @param key      JSON name
-     * @param node     JSON node
-     * @param nodeType JSON node type
-     * @param listener JSON listener
-     * @throws SvcLogicException when entering a JSON node fails
-     */
-    private void processNode(String key, JsonNode node, NodeType nodeType,
-                             JsonListener listener) throws SvcLogicException {
-        listener.enterJsonNode(key, node, nodeType);
-        walk(listener, node);
-        listener.exitJsonNode(node);
-    }
-
-    /**
-     * Returns true if the node corresponds to a leaf-list node; false
-     * otherwise.
-     *
-     * @param node JSON node
-     * @return true if node corresponds to leaf-list node; false otherwise
-     */
-    private boolean isLeafListNode(ArrayNode node) {
-        Iterator<JsonNode> children = node.elements();
-        while (children.hasNext()) {
-            JsonNodeType type = children.next().getNodeType();
-            if (type != STRING && type != NUMBER) {
-                return false;
-            }
-        }
-        return true;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultXmlListener.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultXmlListener.java
deleted file mode 100644
index 03abf44fd..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultXmlListener.java
+++ /dev/null
@@ -1,120 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import org.dom4j.Element;
-import org.dom4j.Namespace;
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-
-import java.util.List;
-
-import static java.lang.String.format;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.NODE_TYPE_ERR;
-
-/**
- * Representation of default implementation of XML listener.
- */
-public class DefaultXmlListener implements XmlListener {
-
-    /**
-     * Serializer helper to convert to properties node.
-     */
-    private SerializerHelper serializerHelper;
-
-    /**
-     * Creates an instance of default XML listener with its serializer helper.
-     *
-     * @param serializerHelper serializer helper
-     */
-    public DefaultXmlListener(SerializerHelper serializerHelper) {
-        this.serializerHelper = serializerHelper;
-    }
-
-    @Override
-    public void enterXmlElement(Element element, XmlNodeType nodeType)
-            throws SvcLogicException {
-        switch (nodeType) {
-            case TEXT_NODE:
-                serializerHelper.addNode(element.getName(),
-                                         element.getNamespace().getURI(),
-                                         element.getText(), null, null);
-                break;
-
-            case OBJECT_NODE:
-                List cont = element.content();
-                if (cont != null && cont.size() == 2 &&
-                        isValueNsForLeaf(cont, element)) {
-                    return;
-                }
-                serializerHelper.addNode(element.getName(),
-                                         element.getNamespace().getURI(),
-                                         null, null, null);
-                break;
-
-            default:
-                throw new SvcLogicException(format(NODE_TYPE_ERR,
-                                                   nodeType.toString()));
-        }
-    }
-
-    /**
-     * Returns true if element has value namespace and adds the node to
-     * property tree; false otherwise.
-     *
-     * @param cont    content of the element
-     * @param element element
-     * @return true if element has value namespace; false otherwise
-     * @throws SvcLogicException
-     */
-    private boolean isValueNsForLeaf(List cont, Element element)
-            throws SvcLogicException {
-        for (Object c : cont) {
-            if (c instanceof Namespace) {
-                String value = element.getText();
-                if (value != null) {
-                    String[] val = value.split(":");
-                    String valPrefix = val[0];
-                    String actVal = val[1];
-                    if (valPrefix != null && actVal != null &&
-                            valPrefix.equals(((Namespace) c).getPrefix())) {
-                        serializerHelper.addNode(
-                                element.getName(),
-                                element.getNamespace().getURI(),
-                                actVal,
-                                ((Namespace) c).getURI(), null);
-                        return true;
-                    }
-                }
-            }
-        }
-        return false;
-    }
-
-    @Override
-    public void exitXmlElement(Element element) throws SvcLogicException {
-        serializerHelper.exitNode();
-    }
-
-    @Override
-    public SerializerHelper serializerHelper() {
-        return serializerHelper;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultXmlWalker.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultXmlWalker.java
deleted file mode 100644
index cdc713f31..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DefaultXmlWalker.java
+++ /dev/null
@@ -1,48 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import org.dom4j.Element;
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-
-import java.util.Iterator;
-
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.getXmlNodeType;
-
-/**
- * Implementation of XML walker to walk through the nodes and process it.
- */
-public class DefaultXmlWalker implements XmlWalker {
-
-    @Override
-    public void walk(XmlListener listener, Element xmlElement) throws
-            SvcLogicException {
-        listener.enterXmlElement(xmlElement, getXmlNodeType(xmlElement));
-        if (xmlElement.hasContent() && !xmlElement.isTextOnly()) {
-            Iterator i = xmlElement.elementIterator();
-            while (i.hasNext()) {
-                Element childElement = (Element) i.next();
-                walk(listener, childElement);
-            }
-        }
-        listener.exitXmlElement(xmlElement);
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DfListenerFactory.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DfListenerFactory.java
deleted file mode 100644
index 06a811e15..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DfListenerFactory.java
+++ /dev/null
@@ -1,87 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-
-import static java.lang.String.format;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.FORMAT_ERR;
-
-/**
- * Represents the data format listener factory which will return JSON or XML
- * listener according to the serializer helper.
- */
-public final class DfListenerFactory {
-
-    /**
-     * Creates a new DfListenerFactory.
-     */
-    private DfListenerFactory() {
-    }
-
-    /**
-     * Returns the instance of the data format listener factory.
-     *
-     * @return instance of the data format listener factory
-     */
-    public static DfListenerFactory instance() {
-        return DfListenerFactory.LazyHolder.INSTANCE;
-    }
-
-    /**
-     * Bill pugh singleton pattern. Instance will not be instantiated until
-     * the lazy holder class is loaded via a call to the instance of method
-     * below.
-     */
-    private static class LazyHolder {
-        private static final DfListenerFactory INSTANCE =
-                new DfListenerFactory();
-    }
-
-    /**
-     * Returns the data format listener by deciding it based on the format of
-     * the parameter.
-     *
-     * @param serHelper serializer helper
-     * @param params    parameters
-     * @return data format listener
-     * @throws SvcLogicException when the data format type is wrong
-     */
-    public Listener getListener(SerializerHelper serHelper,
-                                YangParameters params)
-            throws SvcLogicException {
-        Listener listener;
-        switch (params.format) {
-            case JSON:
-                listener = new DefaultJsonListener(serHelper);
-                break;
-
-            case XML:
-                listener = new DefaultXmlListener(serHelper);
-                break;
-
-            default:
-                throw new SvcLogicException(format(FORMAT_ERR,
-                                                   params.format));
-        }
-        return listener;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DfSerializerFactory.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DfSerializerFactory.java
deleted file mode 100644
index 4d95235e5..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DfSerializerFactory.java
+++ /dev/null
@@ -1,87 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-
-import static java.lang.String.format;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.FORMAT_ERR;
-
-/**
- * Represents the data format serializer factory which will return JSON or XML
- * serializer according to the serializer context.
- */
-public final class DfSerializerFactory {
-
-    /**
-     * Creates a new DfSerializerFactory.
-     */
-    private DfSerializerFactory() {
-    }
-
-    /**
-     * Returns the instance of the data format serializer factory.
-     *
-     * @return instance of the data format serializer factory
-     */
-    public static DfSerializerFactory instance() {
-        return DfSerializerFactory.LazyHolder.INSTANCE;
-    }
-
-    /**
-     * Bill pugh singleton pattern. Instance will not be instantiated until
-     * the lazy holder class is loaded via a call to the instance of method
-     * below.
-     */
-    private static class LazyHolder {
-        private static final DfSerializerFactory INSTANCE =
-                new DfSerializerFactory();
-    }
-
-    /**
-     * Returns the data format serializer by deciding it based on the format of
-     * the parameter.
-     *
-     * @param serCtx serializer context
-     * @param params parameters
-     * @return data format serializer
-     * @throws SvcLogicException when the data format type is wrong
-     */
-    public DataFormatSerializer getSerializer(DataFormatSerializerContext serCtx,
-                                              YangParameters params)
-            throws SvcLogicException {
-        DataFormatSerializer serializer;
-        switch (params.format) {
-            case JSON:
-                serializer = new JsonSerializer(serCtx);
-                break;
-
-            case XML:
-                serializer = new XmlSerializer(serCtx);
-                break;
-
-            default:
-                throw new SvcLogicException(format(FORMAT_ERR,
-                                                   params.format));
-        }
-        return serializer;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DfSerializerUtil.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DfSerializerUtil.java
deleted file mode 100644
index 707c29444..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DfSerializerUtil.java
+++ /dev/null
@@ -1,231 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import org.dom4j.Element;
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.Namespace;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNode;
-import org.opendaylight.yangtools.yang.model.api.Module;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
-import org.w3c.dom.Document;
-import org.xml.sax.InputSource;
-import org.xml.sax.SAXException;
-
-import javax.xml.parsers.DocumentBuilder;
-import javax.xml.parsers.DocumentBuilderFactory;
-import javax.xml.parsers.ParserConfigurationException;
-import javax.xml.transform.Transformer;
-import javax.xml.transform.TransformerException;
-import javax.xml.transform.TransformerFactory;
-import javax.xml.transform.dom.DOMSource;
-import javax.xml.transform.stream.StreamResult;
-import java.io.IOException;
-import java.io.StringReader;
-import java.io.StringWriter;
-import java.io.Writer;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.util.Iterator;
-
-import static javax.xml.transform.OutputKeys.INDENT;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.XmlNodeType.OBJECT_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.XmlNodeType.TEXT_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getRevision;
-
-/**
- * Utilities for data format serializer.
- */
-public final class DfSerializerUtil {
-
-    static final String JSON_WRITE_ERR = "Unable to write to JSON from " +
-            "properties.";
-
-    static final String NODE_TYPE_ERR = "The node type %s is not supported.";
-
-    static final String JSON_LIS_ERR = "The JSON serializer doesn't have " +
-            "JSON listener";
-
-    static final String XML_LIS_ERR = "The XML serializer doesn't have XML " +
-            "listener";
-
-    static final String PROP_NODE_ERR = "The property node doesn't have " +
-            "schema node bound to it.";
-
-    static final String DF_ERR = "Type mismatch for the node %s. The schema " +
-            "node does not match with the data format node type %s.";
-
-    static final String XML_PREFIX = "yangid";
-
-    private static final String YES = "yes";
-
-    private static final String INDENT_XMLNS = "{http://xml.apache" +
-            ".org/xslt}indent-amount";
-
-    private static final String XML_PARSE_ERR = "Unable to parse the xml to " +
-            "document : \n";
-
-    private static final String URI_ERR = "Unable to parse the URI";
-
-    /**
-     * Data format error message for unsupported types.
-     */
-    public static final String FORMAT_ERR = "Only JSON and XML formats are " +
-            "supported. %s is not supported";
-
-    /**
-     * UTF header message for XML data format message.
-     */
-    public static final String UTF_HEADER = "<?xml version=\"1.0\" " +
-            "encoding=\"UTF-8\"?>";
-
-    /**
-     * Error message when a JSON tree creation fails.
-     */
-    public static final String JSON_TREE_ERR = "Unable to form JSON tree " +
-            "object from the JSON body provided.";
-
-    /**
-     * Error message when a XML tree creation fails.
-     */
-    public static final String XML_TREE_ERR = "Unable to form XML tree object" +
-            " from the XML body provided.";
-
-    //No instantiation.
-    private DfSerializerUtil() {
-    }
-
-    /**
-     * Returns the writer which contains the pretty formatted XML string.
-     *
-     * @param input  input XML
-     * @param indent indentation level
-     * @return writer with XML
-     * @throws SvcLogicException when transformation of source fails
-     */
-    public static Writer getXmlWriter(String input, String indent)
-            throws SvcLogicException {
-        try {
-            Transformer transformer = TransformerFactory.newInstance()
-                    .newTransformer();
-            transformer.setOutputProperty(INDENT, YES);
-            transformer.setOutputProperty(INDENT_XMLNS, indent);
-            StreamResult result = new StreamResult(new StringWriter());
-            DOMSource source = new DOMSource(parseXml(input));
-            transformer.transform(source, result);
-            return result.getWriter();
-        } catch (TransformerException e) {
-            throw new SvcLogicException(XML_PARSE_ERR + input, e);
-        }
-    }
-
-    /**
-     * Parses the XML and converts it into dom document which can be used for
-     * formatting the XML.
-     *
-     * @param in input XML
-     * @return dom document of XML
-     * @throws SvcLogicException when document building fails
-     */
-    private static Document parseXml(String in) throws SvcLogicException {
-        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
-        DocumentBuilder db;
-        try {
-            db = dbf.newDocumentBuilder();
-            InputSource is = new InputSource(new StringReader(in));
-            return db.parse(is);
-        } catch (SAXException | IOException | ParserConfigurationException e) {
-            throw new SvcLogicException(XML_PARSE_ERR + in, e);
-        }
-    }
-
-    /**
-     * Returns the resolved namespace object from the input received from the
-     * abstract data format.
-     *
-     * @param mName  module name
-     * @param mUri   module URI
-     * @param ctx    schema context
-     * @param parent parent properties node
-     * @return namespace
-     * @throws SvcLogicException when resolving namespace fails
-     */
-    static Namespace getResolvedNamespace(String mName, String mUri,
-                                          SchemaContext ctx,
-                                          PropertiesNode parent)
-            throws SvcLogicException {
-        if (mName == null && mUri == null) {
-            Namespace parentNs = parent.namespace();
-            return new Namespace(parentNs.moduleName(), parentNs.moduleNs(),
-                                 parentNs.revision());
-        }
-
-        Iterator<Module> it;
-        Module mod;
-        if (mName != null) {
-            it = ctx.findModules(mName).iterator();
-        } else {
-            URI modUri = null;
-            try {
-               modUri = new URI(mUri);
-            } catch (URISyntaxException e) {
-                throw new SvcLogicException(URI_ERR, e);
-            }
-            it = ctx.findModules(modUri).iterator();
-        }
-
-        if (!it.hasNext()) {
-            return null;
-        }
-        mod = it.next();
-
-        return new Namespace(mod.getName(), mod.getQNameModule().getNamespace(),
-                             getRevision(mod.getRevision()));
-    }
-
-    /**
-     * Returns the node type of a XML element.
-     *
-     * @param element XML element
-     * @return node type of the XML element
-     */
-    static XmlNodeType getXmlNodeType(Element element) {
-        Element newElement = element.createCopy();
-        newElement.remove(element.getNamespace());
-        return newElement.hasContent() && newElement.isTextOnly() ?
-                TEXT_NODE : OBJECT_NODE;
-    }
-
-    /**
-     * Resolves the super type to the base type from type definition.
-     *
-     * @param type super type
-     * @return base type definition
-     */
-    static TypeDefinition<?> resolveBaseTypeFrom(TypeDefinition<?> type) {
-        TypeDefinition superType = type;
-        while (superType.getBaseType() != null) {
-            superType = superType.getBaseType();
-        }
-        return superType;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonListener.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonListener.java
deleted file mode 100644
index 89fd4c8c8..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonListener.java
+++ /dev/null
@@ -1,55 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import com.fasterxml.jackson.databind.JsonNode;
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType;
-
-/**
- * Abstraction of an entity which provides call back methods, which in turn
- * are called by JSON walker while walking the JSON tree. This interface
- * needs to be implemented by protocol, implementing listener based call
- * while doing JSON walk.
- */
-public interface JsonListener extends Listener {
-
-    /**
-     * Call back invoked during JSON node entry. All other related
-     * information can be obtained from the JSON node.
-     *
-     * @param nodeName JSON node name
-     * @param node     JSON node
-     * @param nodeType JSON node type
-     * @throws SvcLogicException when node type is of wrong format
-     */
-    void enterJsonNode(String nodeName, JsonNode node, NodeType nodeType)
-            throws SvcLogicException;
-
-    /**
-     * Call back invoked during JSON node exit. All the related information
-     * can be obtained from the JSON node.
-     *
-     * @param node JSON node
-     * @throws SvcLogicException when JSON node exit doesn't happen
-     */
-    void exitJsonNode(JsonNode node) throws SvcLogicException;
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonSerializer.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonSerializer.java
deleted file mode 100644
index 91adb8126..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonSerializer.java
+++ /dev/null
@@ -1,91 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
-
-import java.io.IOException;
-import java.io.Writer;
-import java.util.List;
-import java.util.Map;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.DefaultPropertiesNodeWalker;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNode;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNodeWalker;
-
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DataFormat.JSON;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.JSON_LIS_ERR;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.JSON_TREE_ERR;
-
-/**
- * Representation of JSON serializer which encodes properties to JSON and
- * decodes properties from JSON with the data format serializer.
- */
-public class JsonSerializer extends DataFormatSerializer {
-
-    /**
-     * Creates an instance of data format serializer.
-     *
-     * @param serializerContext data format serializer context
-     */
-    protected JsonSerializer(DataFormatSerializerContext serializerContext) {
-        super(JSON, serializerContext);
-    }
-
-    @Override
-    public String encode(Map<String, String> param,
-                         Map<String, List<Annotation>> annotations)
-            throws SvcLogicException {
-        PropertiesNode propNode = serializerContext().getPropNodeSerializer()
-                .encode(param);
-        PropertiesNodeWalker nodeWalker = new DefaultPropertiesNodeWalker<>();
-        PropertiesNodeJsonListener jsonLis = new PropertiesNodeJsonListener();
-        nodeWalker.walk(jsonLis, propNode);
-        Writer writer = jsonLis.getWriter();
-        return writer.toString();
-    }
-
-    @Override
-    public Map<String, String> decode(String dataFormatBody)
-            throws SvcLogicException {
-        if (!(serializerContext().listener() instanceof JsonListener)) {
-            throw new SvcLogicException(JSON_LIS_ERR);
-        }
-
-        JsonListener listener = (JsonListener) serializerContext().listener();
-        JsonWalker walker = new DefaultJsonWalker();
-        ObjectMapper mapper = new ObjectMapper();
-        JsonNode jsonNode;
-
-        try {
-            jsonNode = mapper.readTree(dataFormatBody);
-        } catch (IOException e) {
-            throw new SvcLogicException(JSON_TREE_ERR, e);
-        }
-
-        walker.walk(listener, jsonNode);
-
-        return serializerContext().getPropNodeSerializer().decode(
-                listener.serializerHelper().getPropertiesNode());
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonWalker.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonWalker.java
deleted file mode 100644
index 588070a12..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonWalker.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import com.fasterxml.jackson.databind.JsonNode;
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-
-/**
- * Abstraction of an entity which provides interface for JSON walk. This
- * interface serves as a common tool for anyone who needs to parse the JSON
- * node with depth-first algorithm.
- */
-public interface JsonWalker {
-
-    /**
-     * Walks the JSON data tree. Protocols implement JSON listener service
-     * and walks the JSON tree with input as implemented object. JSON walker
-     * provides call back to the implemented methods.
-     *
-     * @param listener JSON listener implemented by the protocol
-     * @param jsonNode root node of the JSON data tree
-     * @throws SvcLogicException when walking the JSON node fails
-     */
-    void walk(JsonListener listener, JsonNode jsonNode)
-            throws SvcLogicException;
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/Listener.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/Listener.java
deleted file mode 100644
index e5812dbb7..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/Listener.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-/**
- * Abstraction of listener.
- */
-public interface Listener {
-
-    /**
-     * Returns serializer helper for this listener.
-     *
-     * @return serializer helper
-     */
-    SerializerHelper serializerHelper();
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/MdsalSerializerHelper.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/MdsalSerializerHelper.java
deleted file mode 100644
index 1fd0d2dee..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/MdsalSerializerHelper.java
+++ /dev/null
@@ -1,297 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.Namespace;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNode;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.RootNode;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.common.Revision;
-import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.opendaylight.yangtools.yang.model.api.SchemaNode;
-import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.IdentityrefTypeDefinition;
-
-import java.util.Deque;
-
-import static java.lang.String.format;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.DF_ERR;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.NODE_TYPE_ERR;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.PROP_NODE_ERR;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.getResolvedNamespace;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.resolveBaseTypeFrom;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getRevision;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_HOLDER_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_LEAF_HOLDER_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_LEAF_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_LEAF_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_NODE;
-import static org.opendaylight.yangtools.yang.data.impl.schema.SchemaUtils.findDataChildSchemaByQName;
-import static org.opendaylight.yangtools.yang.data.impl.schema.SchemaUtils.findSchemaForChild;
-import static org.opendaylight.yangtools.yang.data.util.ParserStreamUtils.findSchemaNodeByNameAndNamespace;
-
-/**
- * Representation of MDSAL based serializer helper, which adds properties
- * node to the properties tree based on its types.
- */
-public class MdsalSerializerHelper extends SerializerHelper<SchemaNode, SchemaContext> {
-
-    /**
-     * Current properties node.
-     */
-    private PropertiesNode propNode;
-
-    /**
-     * Current schema node.
-     */
-    private SchemaNode curSchemaNode;
-
-
-    /**
-     * Creates MDSAL serializer helper with root schema node, schema context
-     * and URI.
-     *
-     * @param n schema node of the URI's last node
-     * @param c schema context
-     * @param u URI of the request
-     */
-    public MdsalSerializerHelper(SchemaNode n, SchemaContext c,
-                                 String u) {
-        super(n, c, u);
-        Namespace ns = new Namespace(n.getQName().getLocalName(),
-                                     n.getQName().getNamespace(),
-                                     getRevision(n.getQName().getRevision()));
-        propNode = new RootNode<>(n.getQName().getLocalName(), ns,
-                                  getSchemaNode(), u);
-        curSchemaNode = getSchemaNode();
-    }
-
-    @Override
-    protected SchemaNode getSchemaNode() {
-        return schemaNode;
-    }
-
-    @Override
-    protected SchemaContext getSchemaCtx() {
-        return schemaCtx;
-    }
-
-    @Override
-    protected SchemaNode getCurSchema() {
-        return curSchemaNode;
-    }
-
-    @Override
-    protected void addNode(String name, String nameSpace, String value,
-                           String valNameSpace, NodeType type)
-            throws SvcLogicException {
-        Namespace ns;
-        if (type == null) {
-            ns = getResolvedNamespace(null, nameSpace,
-                                      getSchemaCtx(), propNode);
-        } else {
-            ns = getResolvedNamespace(nameSpace, null,
-                                      getSchemaCtx(), propNode);
-        }
-        if (isChildPresent(name, ns)) {
-            addNodeToProperty(name, ns, value, valNameSpace, type);
-        } else {
-            throw new SvcLogicException(format(
-                    "Unable to add the node %s", name));
-        }
-    }
-
-    @Override
-    protected void exitNode() throws SvcLogicException {
-        propNode = propNode.parent();
-        if (propNode != null) {
-            NodeType type = propNode.nodeType();
-            if (type == MULTI_INSTANCE_HOLDER_NODE ||
-                    type == MULTI_INSTANCE_LEAF_HOLDER_NODE) {
-                propNode = propNode.parent();
-            }
-        }
-        if (propNode == null || propNode.appInfo() == null
-                || !(propNode.appInfo() instanceof SchemaNode)) {
-            throw new SvcLogicException(PROP_NODE_ERR);
-        }
-        curSchemaNode = (SchemaNode) propNode.appInfo();
-    }
-
-    @Override
-    protected PropertiesNode getPropertiesNode() {
-        return propNode;
-    }
-
-    /**
-     * Adds the node to property node based on the type of the schema node,
-     * which is decided based on the name and namespace of the input
-     * information.
-     *
-     * @param name         name of the node
-     * @param ns           namespace of the node
-     * @param value        value of the node if its a leaf/leaf-list
-     * @param valNamespace namespace of the value
-     * @param type         type of the node
-     * @throws SvcLogicException when adding child fails
-     */
-    private void addNodeToProperty(String name, Namespace ns, String value,
-                                   String valNamespace, NodeType type)
-            throws SvcLogicException {
-        Namespace valueNs;
-        if (type != null) {
-            validateNodeType(type);
-        }
-        if (curSchemaNode instanceof LeafSchemaNode) {
-            valueNs = getValueNs(curSchemaNode, valNamespace, type);
-            propNode = propNode.addChild(name, ns,
-                                         SINGLE_INSTANCE_LEAF_NODE,
-                                         value, valueNs, curSchemaNode);
-        } else if (curSchemaNode instanceof LeafListSchemaNode) {
-            valueNs = getValueNs(curSchemaNode, valNamespace, type);
-            propNode = propNode.addChild(null, name, ns,
-                                         MULTI_INSTANCE_LEAF_NODE, value,
-                                         valueNs, curSchemaNode);
-        } else if (curSchemaNode instanceof ListSchemaNode) {
-            propNode = propNode.addChild(null, name, ns, MULTI_INSTANCE_NODE,
-                                         curSchemaNode);
-        } else {
-            propNode = propNode.addChild(name, ns, SINGLE_INSTANCE_NODE,
-                                         curSchemaNode);
-        }
-    }
-
-    /**
-     * Returns the namespace of the value namespace in case of identity ref.
-     *
-     * @param schemaNode schema node
-     * @param valNs      value name space
-     * @param nodeType   node type
-     * @return namespace of value namespace
-     * @throws SvcLogicException when namespace resolution fails for identityref
-     */
-    private Namespace getValueNs(SchemaNode schemaNode, String valNs,
-                                 NodeType nodeType) throws SvcLogicException {
-        Namespace ns = null;
-        if (valNs != null) {
-            TypeDefinition type;
-            if (schemaNode instanceof LeafSchemaNode) {
-                type = ((LeafSchemaNode) schemaNode).getType();
-            } else {
-                type = ((LeafListSchemaNode) schemaNode).getType();
-            }
-            TypeDefinition<?> baseType = resolveBaseTypeFrom(type);
-            if (baseType instanceof IdentityrefTypeDefinition) {
-                if (nodeType == null) {
-                    ns = getResolvedNamespace(null, valNs, getSchemaCtx(),
-                                              propNode);
-                } else {
-                    ns = getResolvedNamespace(valNs, null, getSchemaCtx(),
-                                              propNode);
-                }
-            }
-        }
-        return ns;
-    }
-
-    /**
-     * Validates that the node type from the data format matches with that of
-     * the corresponding schema node.
-     *
-     * @param type node type from the abstract data format
-     * @throws SvcLogicException when the node type is wrong
-     */
-    private void validateNodeType(NodeType type) throws SvcLogicException {
-        boolean verify;
-        switch (type) {
-            case SINGLE_INSTANCE_LEAF_NODE:
-                verify = curSchemaNode instanceof LeafSchemaNode;
-                break;
-
-            case MULTI_INSTANCE_LEAF_NODE:
-                verify = curSchemaNode instanceof LeafListSchemaNode;
-                break;
-
-            case MULTI_INSTANCE_NODE:
-                verify = curSchemaNode instanceof ListSchemaNode;
-                break;
-
-            case SINGLE_INSTANCE_NODE:
-                verify = (!(curSchemaNode instanceof LeafSchemaNode) &&
-                        !(curSchemaNode instanceof LeafListSchemaNode) &&
-                        !(curSchemaNode instanceof ListSchemaNode));
-                break;
-
-            default:
-                throw new SvcLogicException(format(NODE_TYPE_ERR,
-                                                   type.toString()));
-        }
-        if (!verify) {
-            throw new SvcLogicException(format(DF_ERR, curSchemaNode
-                    .getQName().getLocalName(), type.toString()));
-        }
-    }
-
-    /**
-     * Returns true if the child schema is present with the name and
-     * namespace inside the current schema node, if present updates the
-     * current schema node; false otherwise.
-     *
-     * @param name      name of the child schema node
-     * @param namespace namespace of the child schema node
-     * @return returns true if the child schema is available; false otherwise
-     */
-    private boolean isChildPresent(String name, Namespace namespace) {
-        QName qname =  QName.create(namespace.moduleNs(),
-                                    Revision.of(namespace.revision()), name);
-        SchemaNode childNode = null;
-        if (curSchemaNode instanceof DataSchemaNode) {
-            Deque<DataSchemaNode> dataSchema = findSchemaNodeByNameAndNamespace(
-                    (DataSchemaNode) curSchemaNode, name, namespace.moduleNs());
-
-            if (dataSchema != null && !dataSchema.isEmpty()) {
-                childNode = dataSchema.pop();
-            }
-
-            if (dataSchema != null && !dataSchema.isEmpty()) {
-                childNode = findSchemaForChild(((ChoiceSchemaNode) childNode),
-                                               qname);
-            }
-
-        } else {
-            childNode = findDataChildSchemaByQName(curSchemaNode, qname);
-        }
-
-        if (childNode != null) {
-            curSchemaNode = childNode;
-            return true;
-        }
-        return false;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/PropertiesNodeJsonListener.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/PropertiesNodeJsonListener.java
deleted file mode 100644
index 0f03039e5..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/PropertiesNodeJsonListener.java
+++ /dev/null
@@ -1,233 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import com.google.gson.stream.JsonWriter;
-
-import java.io.IOException;
-import java.io.StringWriter;
-import java.io.Writer;
-import java.util.Collection;
-import java.util.Map;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.DefaultPropertiesNodeWalker;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.LeafNode;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.Namespace;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNode;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNodeListener;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.RootNode;
-
-import static com.google.common.base.Strings.repeat;
-import static java.lang.String.format;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.JSON_WRITE_ERR;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.NODE_TYPE_ERR;
-
-/**
- * Representation of JSON implementation of properties node listener.
- */
-public class PropertiesNodeJsonListener implements PropertiesNodeListener{
-
-    /**
-     * JSON writer to write the JSON data format.
-     */
-    private JsonWriter jsonWriter;
-
-    /**
-     * Writer to write the JSON.
-     */
-    private Writer writer;
-
-    /**
-     * Creates the properties node JSON listener by instantiating and
-     * indenting the writer.
-     */
-    public PropertiesNodeJsonListener() {
-        writer = new StringWriter();
-        jsonWriter = new JsonWriter(writer);
-        jsonWriter.setIndent(repeat(" ", 4));
-    }
-
-    @Override
-    public void start(PropertiesNode node) throws SvcLogicException {
-        try {
-            jsonWriter.beginObject();
-        } catch (IOException e) {
-            throw new SvcLogicException(JSON_WRITE_ERR, e);
-        }
-    }
-
-    @Override
-    public void end(PropertiesNode node) throws SvcLogicException {
-        try {
-            jsonWriter.endObject();
-            jsonWriter.flush();
-        } catch (IOException e) {
-            throw new SvcLogicException(JSON_WRITE_ERR, e);
-        }
-    }
-
-    @Override
-    public void enterPropertiesNode(PropertiesNode node)
-            throws SvcLogicException {
-        String val;
-        String nodeName = getNodeName(node);
-        try {
-            switch (node.nodeType()) {
-                case SINGLE_INSTANCE_NODE:
-                    jsonWriter.name(nodeName);
-                    jsonWriter.beginObject();
-                    break;
-
-                case MULTI_INSTANCE_NODE:
-                    jsonWriter.beginObject();
-                    break;
-
-                case SINGLE_INSTANCE_LEAF_NODE:
-                    val = getValueWithNs((LeafNode) node);
-                    jsonWriter.name(nodeName).value(val);
-                    break;
-
-                case MULTI_INSTANCE_HOLDER_NODE:
-                case MULTI_INSTANCE_LEAF_HOLDER_NODE:
-                    jsonWriter.name(nodeName);
-                    jsonWriter.beginArray();
-                    break;
-
-                case MULTI_INSTANCE_LEAF_NODE:
-                    val = getValueWithNs((LeafNode) node);
-                    jsonWriter.value(val);
-                    break;
-
-                case ANY_XML_NODE:
-                    jsonWriter.name(nodeName);
-                    val = ((LeafNode) node).value();
-                    try {
-                        jsonWriter.jsonValue(val);
-                    } catch (IOException e) {
-                        throw new SvcLogicException(JSON_WRITE_ERR, e);
-                    }
-                    break;
-
-                default:
-                    throw new SvcLogicException(format(
-                            NODE_TYPE_ERR, node.nodeType().toString()));
-
-            }
-        } catch (IOException e) {
-            throw new SvcLogicException(JSON_WRITE_ERR, e);
-        }
-    }
-
-    @Override
-    public void exitPropertiesNode(PropertiesNode node) throws SvcLogicException {
-        walkAugmentationNode(node);
-        try {
-            switch (node.nodeType()) {
-                case SINGLE_INSTANCE_NODE:
-                case MULTI_INSTANCE_NODE:
-                    jsonWriter.endObject();
-                    break;
-
-                case MULTI_INSTANCE_HOLDER_NODE:
-                case MULTI_INSTANCE_LEAF_HOLDER_NODE:
-                    jsonWriter.endArray();
-                    break;
-
-                case  SINGLE_INSTANCE_LEAF_NODE:
-                case MULTI_INSTANCE_LEAF_NODE:
-                case ANY_XML_NODE:
-                    break;
-
-                default:
-                    throw new SvcLogicException(format(
-                            NODE_TYPE_ERR, node.nodeType().toString()));
-            }
-        } catch (IOException e) {
-            throw new SvcLogicException(JSON_WRITE_ERR, e);
-        }
-    }
-
-    /**
-     * Returns the writer.
-     *
-     * @return writer
-     */
-    public Writer getWriter() {
-        return writer;
-    }
-
-    /**
-     * Returns the abstract JSON node name to be used in JSON data format
-     * from the properties node.
-     *
-     * @param node properties node
-     * @return abstract JSON node
-     */
-    private String getNodeName(PropertiesNode node) {
-        PropertiesNode parent = node.parent();
-        if (parent instanceof RootNode || !parent.namespace().moduleName()
-                .equals(node.namespace().moduleName())) {
-            if (!parent.nonAppend()) {
-                return node.namespace().moduleName() + ":" + node.name();
-            }
-        }
-        return node.name();
-    }
-
-    /**
-     * Returns the value of JSON leaf node with module name if required.
-     *
-     * @param node properties node
-     * @return value with namespace
-     */
-    private String getValueWithNs(LeafNode node) {
-        Namespace valNs = node.valueNs();
-        String modName = (valNs == null) ? null : valNs.moduleName();
-        if (modName != null) {
-            return modName + ":" + node.value();
-        }
-        return node.value();
-    }
-
-    /**
-     * Gets all the augmentation of the given node and walks through it.
-     *
-     * @param node properties node
-     * @throws SvcLogicException when walking the properties node fails
-     */
-    private void walkAugmentationNode(PropertiesNode node)
-            throws SvcLogicException {
-        for (Map.Entry<Object, Collection<PropertiesNode>>
-                augToChild : node.augmentations().asMap().entrySet()) {
-            Collection<PropertiesNode> augChild = augToChild.getValue();
-            if (!augChild.isEmpty()) {
-                DefaultPropertiesNodeWalker walker = new
-                        DefaultPropertiesNodeWalker();
-                for (PropertiesNode p : augChild) {
-                    enterPropertiesNode(p);
-                    walker.walkChildNode(this, p);
-                    exitPropertiesNode(p);
-                }
-            }
-        }
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/PropertiesNodeXmlListener.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/PropertiesNodeXmlListener.java
deleted file mode 100644
index f098195e4..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/PropertiesNodeXmlListener.java
+++ /dev/null
@@ -1,246 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import org.dom4j.Document;
-import org.dom4j.DocumentHelper;
-import org.dom4j.Element;
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.DefaultPropertiesNodeWalker;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.LeafNode;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.Namespace;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNode;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNodeListener;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.RootNode;
-
-import java.io.Writer;
-import java.net.URI;
-import java.util.Collection;
-import java.util.Map;
-import java.util.Stack;
-
-import static java.lang.String.format;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.NODE_TYPE_ERR;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.UTF_HEADER;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.XML_PREFIX;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.getXmlWriter;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_HOLDER_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_LEAF_HOLDER_NODE;
-
-/**
- * Representation of XML implementation of properties node listener.
- */
-public class PropertiesNodeXmlListener implements PropertiesNodeListener {
-
-    /**
-     * XML data from the element.
-     */
-    private String xmlData;
-
-    /**
-     * Root element of the XML document.
-     */
-    private Element rootElement;
-
-    /**
-     * Writer to write the XML.
-     */
-    private Writer writer;
-
-    /**
-     * XML element stack to store the elements.
-     */
-    private final Stack<Element> elementStack = new Stack<>();
-
-    /**
-     * Creates the properties node XML listener.
-     */
-    public PropertiesNodeXmlListener() {
-    }
-
-    @Override
-    public void start(PropertiesNode node) {
-        rootElement = addElement(null, node);
-        elementStack.push(rootElement);
-    }
-
-    @Override
-    public void end(PropertiesNode node) throws SvcLogicException {
-        xmlData = rootElement.asXML();
-        xmlData = UTF_HEADER + xmlData;
-        writer = getXmlWriter(xmlData, "4");
-    }
-
-    @Override
-    public void enterPropertiesNode(PropertiesNode node)
-            throws SvcLogicException {
-        Element element = null;
-        String ns = getNodeNamespace(node);
-        switch (node.nodeType()) {
-            case MULTI_INSTANCE_LEAF_HOLDER_NODE:
-            case MULTI_INSTANCE_HOLDER_NODE:
-                break;
-
-            case SINGLE_INSTANCE_NODE:
-            case MULTI_INSTANCE_NODE:
-                element = addElement(ns, node);
-                break;
-
-            case MULTI_INSTANCE_LEAF_NODE:
-            case SINGLE_INSTANCE_LEAF_NODE:
-                element = addElement(ns, node);
-                setValueWithNs(element, (LeafNode) node);
-                break;
-
-            default:
-                throw new SvcLogicException(format(
-                        NODE_TYPE_ERR, node.nodeType().toString()));
-        }
-        if (element != null) {
-            elementStack.push(element);
-        }
-    }
-
-    @Override
-    public void exitPropertiesNode(PropertiesNode node)
-            throws SvcLogicException {
-        walkAugmentationNode(node);
-        switch (node.nodeType()) {
-            case MULTI_INSTANCE_LEAF_HOLDER_NODE:
-            case MULTI_INSTANCE_HOLDER_NODE:
-                break;
-
-            case SINGLE_INSTANCE_NODE:
-            case MULTI_INSTANCE_NODE:
-            case MULTI_INSTANCE_LEAF_NODE:
-            case SINGLE_INSTANCE_LEAF_NODE:
-                if (!elementStack.isEmpty()) {
-                    elementStack.pop();
-                }
-                break;
-
-            default:
-                throw new SvcLogicException(format(
-                        NODE_TYPE_ERR, node.nodeType().toString()));
-        }
-    }
-
-    /**
-     * Returns the writer.
-     *
-     * @return writer
-     */
-    public Writer getWriter() {
-        return writer;
-    }
-
-    /**
-     * Adds an XML element to the stack with namespace if present. If the
-     * stack is empty it creates new document and adds element else adds to
-     * the parent element.
-     *
-     * @param ns   namespace of the element
-     * @param node properties node
-     * @return new added element
-     */
-    private Element addElement(String ns, PropertiesNode node) {
-        Element element;
-        if (elementStack.isEmpty()) {
-            Document doc = DocumentHelper.createDocument();
-            if (ns != null) {
-                element = doc.addElement(node.name(), ns);
-            } else {
-                element = doc.addElement(node.name());
-            }
-        } else {
-            element = elementStack.peek();
-            if (ns != null) {
-                element = element.addElement(node.name(), ns);
-            } else {
-                element = element.addElement(node.name());
-            }
-        }
-
-        return element;
-    }
-
-    /**
-     * Returns the abstract XML namespace to be used in XML data format from
-     * the properties node.
-     *
-     * @param node properties node
-     * @return abstract XML namespace
-     */
-    private String getNodeNamespace(PropertiesNode node) {
-        PropertiesNode parent = node.parent();
-        if (parent.nodeType() == MULTI_INSTANCE_HOLDER_NODE ||
-                parent.nodeType() == MULTI_INSTANCE_LEAF_HOLDER_NODE) {
-            parent = parent.parent();
-        }
-        if (parent instanceof RootNode || ! parent.namespace().moduleName()
-                .equals(node.namespace().moduleName())) {
-            return node.namespace().moduleNs().toString();
-        }
-        return null;
-    }
-
-    /**
-     * Sets the value to the element for a leaf node and adds the value
-     * namespace if required.
-     *
-     * @param element XML element
-     * @param node leaf properties node
-     */
-    private void setValueWithNs(Element element, LeafNode node) {
-        Namespace valNs = node.valueNs();
-        URI modNs = (valNs == null) ? null : valNs.moduleNs();
-        String val = node.value();
-        if (modNs != null) {
-            element.addNamespace(XML_PREFIX, modNs.toString());
-            element.setText(XML_PREFIX + ":" + val);
-        } else {
-            element.setText(val);
-        }
-    }
-
-    /**
-     * Gets all the augmentation of the given node and walks through it.
-     *
-     * @param node properties node
-     * @throws SvcLogicException when walking the properties node fails
-     */
-    private void walkAugmentationNode(PropertiesNode node)
-            throws SvcLogicException {
-        for (Map.Entry<Object, Collection<PropertiesNode>>
-                augToChild : node.augmentations().asMap().entrySet()) {
-            Collection<PropertiesNode> augChild = augToChild.getValue();
-            if (!augChild.isEmpty()) {
-                DefaultPropertiesNodeWalker walker = new
-                        DefaultPropertiesNodeWalker();
-                for (PropertiesNode p : augChild) {
-                    enterPropertiesNode(p);
-                    walker.walkChildNode(this, p);
-                    exitPropertiesNode(p);
-                }
-            }
-        }
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/SerializerHelper.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/SerializerHelper.java
deleted file mode 100644
index db9befb21..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/SerializerHelper.java
+++ /dev/null
@@ -1,116 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNode;
-
-/**
- * Abstraction of an entity which helps the data format serializers to obtain
- * schema context details and to build properties from data.
- *
- * @param <T> type of schema node
- * @param <P> type of schema context
- */
-public abstract class SerializerHelper<T, P> {
-
-    /**
-     * Schema node of the last element in the URI.
-     */
-    protected T schemaNode;
-
-    /**
-     * Root schema context.
-     */
-    protected P schemaCtx;
-
-    /**
-     * Root URI.
-     */
-    protected String rootUri;
-
-    /**
-     * Creates an instance of the serializer helper with the schema node,
-     * schema context and the URI.
-     *
-     * @param t schema node
-     * @param p schema context
-     * @param u root URI
-     */
-    protected SerializerHelper(T t, P p, String u) {
-        schemaNode = t;
-        schemaCtx = p;
-        rootUri = u;
-    }
-
-    /**
-     * Returns schema node of the last element in the URI.
-     *
-     * @return schema node
-     */
-    protected abstract T getSchemaNode();
-
-    /**
-     * Returns the root schema context.
-     *
-     * @return schema context
-     */
-    protected abstract P getSchemaCtx();
-
-    /**
-     * Returns the current schema context node.
-     *
-     * @return current schema context node
-     */
-    protected abstract T getCurSchema();
-
-    /**
-     * Adds a node to the properties node tree.
-     *
-     * @param name         name of the node
-     * @param nameSpace    name space of the node, it can be either module
-     *                     name or namespace; null indicates parent namespace
-     * @param value        value of the node; applicable for leaf/leaf-list node
-     * @param valNameSpace value namespace for identityref, could be module
-     *                     name or namespace
-     * @param type         type of node if known like in case of JSON
-     * @throws SvcLogicException when adding node fails
-     */
-    protected abstract void addNode(String name, String nameSpace, String value,
-                                    String valNameSpace, NodeType type)
-            throws SvcLogicException;
-
-    /**
-     * Exits the node, in case if it's leaf node then it adds to the properties
-     * map.
-     *
-     * @throws SvcLogicException when properties node tree is improper
-     */
-    protected abstract void exitNode() throws SvcLogicException;
-
-    /**
-     * Returns the built properties corresponding to the data.
-     *
-     * @return properties node.
-     */
-    protected abstract PropertiesNode getPropertiesNode();
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlListener.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlListener.java
deleted file mode 100644
index 784e7af1f..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlListener.java
+++ /dev/null
@@ -1,53 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import org.dom4j.Element;
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-
-/**
- * Abstraction of an entity which provides call back methods, which in turn
- * are called by XML walker while walking the XML tree. This interface needs
- * to be implemented by protocol implementing listener based call while doing
- * XML walk.
- */
-public interface XmlListener extends Listener {
-
-    /**
-     * Callback invoked during a node entry. All the related information
-     * about the node can be obtained from the element.
-     *
-     * @param element  current XML element
-     * @param nodeType node type of the element
-     * @throws SvcLogicException when node type is of wrong format
-     */
-    void enterXmlElement(Element element, XmlNodeType nodeType)
-            throws SvcLogicException;
-
-    /**
-     * Callback invoked during a node exit. All the related information about
-     * the node can be obtained from the element.
-     *
-     * @param element current xml element.
-     * @throws SvcLogicException when XML node exit doesn't happen
-     */
-    void exitXmlElement(Element element) throws SvcLogicException;
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlNodeType.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlNodeType.java
deleted file mode 100644
index 7a6db3c86..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlNodeType.java
+++ /dev/null
@@ -1,37 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-/**
- * Represents the XML node type.
- */
-public enum XmlNodeType {
-
-    /**
-     * Object XML node type.
-     */
-    OBJECT_NODE,
-
-    /**
-     * Text XML node type.
-     */
-    TEXT_NODE
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlSerializer.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlSerializer.java
deleted file mode 100644
index f3c6723e1..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlSerializer.java
+++ /dev/null
@@ -1,104 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import org.dom4j.Document;
-import org.dom4j.DocumentException;
-import org.dom4j.DocumentHelper;
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.DefaultPropertiesNodeWalker;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNode;
-import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNodeWalker;
-
-import java.io.Writer;
-import java.util.List;
-import java.util.Map;
-
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DataFormat.XML;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.XML_LIS_ERR;
-import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.XML_TREE_ERR;
-
-/**
- * Representation of XML serializer which encodes properties to XML and
- * decodes properties from XML with the data format serializer.
- */
-public class XmlSerializer extends DataFormatSerializer {
-
-    /**
-     * Creates an instance of XML serializer.
-     *
-     * @param serializerContext data format serializer context
-     */
-    protected XmlSerializer(DataFormatSerializerContext serializerContext) {
-        super(XML, serializerContext);
-    }
-
-    @Override
-    public String encode(Map<String, String> param,
-                         Map<String, List<Annotation>> annotations)
-            throws SvcLogicException {
-        PropertiesNode propNode = serializerContext().getPropNodeSerializer()
-                .encode(param);
-        PropertiesNodeWalker nodeWalker = new DefaultPropertiesNodeWalker<>();
-        PropertiesNodeXmlListener xmlListener = new PropertiesNodeXmlListener();
-        nodeWalker.walk(xmlListener, propNode);
-        Writer writer = xmlListener.getWriter();
-        return removeRootNode(writer.toString(), propNode.name());
-    }
-
-    @Override
-    public Map<String, String> decode(String dataFormatBody)
-            throws SvcLogicException {
-        if (!(serializerContext().listener() instanceof XmlListener)) {
-            throw new SvcLogicException(XML_LIS_ERR);
-        }
-
-        XmlListener listener = (XmlListener) serializerContext().listener();
-        XmlWalker walker = new DefaultXmlWalker();
-        Document document;
-
-        try {
-            document = DocumentHelper.parseText(dataFormatBody);
-        } catch (DocumentException e) {
-            throw new SvcLogicException(XML_TREE_ERR, e);
-        }
-        walker.walk(listener, document.getRootElement());
-
-        return serializerContext().getPropNodeSerializer().decode(
-                listener.serializerHelper().getPropertiesNode());
-    }
-
-    /**
-     * Removes root node from the XML data format message and makes the
-     * string to be pretty print.
-     *
-     * @param xml      XML data format message
-     * @param rootName root node name
-     * @return pretty print format XML message
-     */
-    private static String removeRootNode(String xml, String rootName) {
-        xml = xml.replace("\n<" + rootName + ">", "\n");
-        xml = xml.replace("</" + rootName + ">" + "\n", "");
-        xml = xml.replaceAll("\n" + "    ", "\n");
-        xml = xml.replaceFirst("\n", "");
-        return xml;
-    }
-}
\ No newline at end of file
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlWalker.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlWalker.java
deleted file mode 100644
index 3835faa7e..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlWalker.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import org.dom4j.Element;
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-
-/**
- * Abstraction of an entity which provides interface for XML walk. This
- * interface serves as a common tool for anyone who needs to parse the XML
- * node with depth-first algorithm.
- */
-public interface XmlWalker {
-
-    /**
-     * Walks the XML data tree. Protocols implement XML listener service and
-     * walks the XML tree with input as implemented object. XML walker
-     * provides call back to the implemented methods.
-     *
-     * @param listener   XML listener implemented by the protocol
-     * @param xmlElement root element of the XML data tree
-     * @throws SvcLogicException when walking the XML node fails
-     */
-    void walk(XmlListener listener, Element xmlElement) throws
-            SvcLogicException;
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/YangParameters.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/YangParameters.java
deleted file mode 100644
index 8eb3fb6e8..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/YangParameters.java
+++ /dev/null
@@ -1,42 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Modifications Copyright © 2018 IBM
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
-
-import org.onap.ccsdk.sli.plugins.restapicall.Parameters;
-
-/**
- * Representation of the YANG parameters for the restconf api call node.
- */
-public class YangParameters extends Parameters {
-    /**
-     * Directory path of the YANG file.
-     */
-    public String dirPath;
-
-    /**
-     * Creates an instance of the YANG parameters.
-     */
-    public YangParameters() {
-        super();
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/DataNodeChild.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/DataNodeChild.java
deleted file mode 100644
index 7be54690a..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/DataNodeChild.java
+++ /dev/null
@@ -1,27 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-/**
- * Abstraction of entity representing child's to data node.
- */
-public interface DataNodeChild extends NodeChild {
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/DefaultPropertiesNodeListener.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/DefaultPropertiesNodeListener.java
deleted file mode 100644
index 2fa00bfb7..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/DefaultPropertiesNodeListener.java
+++ /dev/null
@@ -1,105 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.Map;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.COLON;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.UNDERSCORE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_LEAF_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_LEAF_NODE;
-
-/**
- * Represents implementation of PropertiesNodeListener.
- */
-public class DefaultPropertiesNodeListener implements PropertiesNodeListener {
-
-    private Map<String, String> params = new HashMap<>();
-
-    @Override
-    public void start(PropertiesNode node) {
-        // do nothing
-    }
-
-    @Override
-    public void end(PropertiesNode node) throws SvcLogicException {
-        exitPropertiesNode(node);
-    }
-
-    @Override
-    public void enterPropertiesNode(PropertiesNode node) {
-        /*
-         * Only if it is leaf node or leaf-list node,
-         * then create a property entry and add to map
-         */
-        if (node.nodeType() == SINGLE_INSTANCE_LEAF_NODE
-                || node.nodeType() == MULTI_INSTANCE_LEAF_NODE) {
-            String val = ((LeafNode) node).value();
-            if (((LeafNode) node).valueNs() != null) {
-                val = ((LeafNode) node).valueNs().moduleName() + COLON + val;
-            }
-            String uri = node.uri().replaceAll(COLON, UNDERSCORE);
-            params.put(uri, val);
-        }
-    }
-
-    @Override
-    public void exitPropertiesNode(PropertiesNode node) throws
-            SvcLogicException {
-        if (!node.augmentations().isEmpty()) {
-            for (Map.Entry<Object, Collection<PropertiesNode>> augmentationTochild
-                    : node.augmentations().asMap().entrySet()) {
-                Collection<PropertiesNode> childsFromAugmentations = augmentationTochild
-                        .getValue();
-                if (!childsFromAugmentations.isEmpty()) {
-                    PropertiesNodeWalker walker = new DefaultPropertiesNodeWalker<>();
-                    for (PropertiesNode pNode : childsFromAugmentations) {
-                        enterPropertiesNode(pNode);
-                        walker.walk(this, pNode);
-                        exitPropertiesNode(pNode);
-                    }
-                }
-            }
-        }
-    }
-
-    /**
-     * Returns properties.
-     *
-     * @return properties
-     */
-    public Map<String, String> params() {
-        return params;
-    }
-
-    /**
-     * Sets properties.
-     *
-     * @param params properties
-     */
-    public void params(Map<String, String> params) {
-        this.params = params;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/DefaultPropertiesNodeWalker.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/DefaultPropertiesNodeWalker.java
deleted file mode 100644
index 5034530d5..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/DefaultPropertiesNodeWalker.java
+++ /dev/null
@@ -1,119 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-import java.util.Collection;
-import java.util.Map;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-
-/**
- * Implementation of properties node walker which helps in forming a new tree from properties node.
- *
- * @param <T> node child of properties node.
- */
-public class DefaultPropertiesNodeWalker<T extends NodeChild> implements PropertiesNodeWalker {
-
-    @Override
-    public void walk(PropertiesNodeListener listener,
-                     PropertiesNode propertiesNode) throws SvcLogicException {
-        listener.start(propertiesNode);
-        walkChildNode(listener, propertiesNode);
-        listener.end(propertiesNode);
-    }
-
-    /**
-     * Walks the children node from the parent node.
-     *
-     * @param listener properties node listener
-     * @param propertiesNode properties node
-     * @throws SvcLogicException when properties node walking fails
-     */
-    public void walkChildNode(PropertiesNodeListener listener,
-                              PropertiesNode propertiesNode)
-            throws SvcLogicException {
-        Map<String, T> children = getChildren(propertiesNode);
-        if (children != null) {
-            for (Map.Entry<String, T> entry : children.entrySet()) {
-                PropertiesNode node = ((PropertiesNode) entry.getValue());
-                listener.enterPropertiesNode(node);
-                walkChildNode(listener, node);
-                listener.exitPropertiesNode(node);
-            }
-        }
-        if (propertiesNode instanceof RootNode) {
-            processAugments(propertiesNode, listener);
-        }
-    }
-
-    /**
-     * Processes the augments present in the root node.
-     *
-     * @param node     root node
-     * @param listener properties node listener
-     * @throws SvcLogicException when augment node walking fails
-     */
-    private void processAugments(PropertiesNode node,
-                                 PropertiesNodeListener listener)
-            throws SvcLogicException {
-        for (Map.Entry<Object, Collection<PropertiesNode>>
-                augToChild : node.augmentations().asMap().entrySet()) {
-            Collection<PropertiesNode> child = augToChild.getValue();
-            if (!child.isEmpty()) {
-                for (PropertiesNode p : child) {
-                    listener.enterPropertiesNode(p);
-                    walkChildNode(listener, p);
-                    listener.exitPropertiesNode(p);
-                }
-            }
-        }
-    }
-
-    /**
-     * Returns the children node according to the property node type.
-     *
-     * @param value property node
-     * @return property node children
-     */
-    private Map<String,T> getChildren(PropertiesNode value) {
-        if (value instanceof RootNode) {
-            return ((RootNode) value).children();
-        }
-        switch (value.nodeType()) {
-            case SINGLE_INSTANCE_NODE:
-                return ((InnerNode) value).children();
-            case MULTI_INSTANCE_HOLDER_NODE:
-                return ((Map<String, T>) ((ListHolderNode) value).children());
-            case MULTI_INSTANCE_NODE:
-                return ((Map<String, T>) ((MultiInstanceNode) value)
-                        .children());
-            case MULTI_INSTANCE_LEAF_HOLDER_NODE:
-                return ((Map<String, T>) ((LeafListHolderNode) value)
-                        .children());
-            case SINGLE_INSTANCE_LEAF_NODE:
-            case MULTI_INSTANCE_LEAF_NODE:
-            case ANY_XML_NODE:
-                return null;
-            default:
-                throw new IllegalArgumentException("No more types allowed");
-        }
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/HolderNode.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/HolderNode.java
deleted file mode 100644
index 52bec3412..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/HolderNode.java
+++ /dev/null
@@ -1,59 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * Abstraction of an entity that represents holder node to multi instance node
- * in properties data tree.
- *
- * @param <T> type of child
- */
-public abstract class HolderNode<T extends NodeChild> extends PropertiesNode {
-
-    private Map<String, T> children = new HashMap<>();
-
-    protected HolderNode(String name, Namespace namespace, String uri,
-                         PropertiesNode parent, Object appInfo,
-                         NodeType nodeType) {
-        super(name, namespace, uri, parent, appInfo, nodeType);
-    }
-
-    /**
-     * Returns children.
-     *
-     * @return children
-     */
-    public Map<String, T> children() {
-        return children;
-    }
-
-    /**
-     * Returns child based on index.
-     *
-     * @return child based on index
-     */
-    public T child(String index) {
-        return children.get(index);
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/InnerNode.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/InnerNode.java
deleted file mode 100644
index 1cf99b2d4..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/InnerNode.java
+++ /dev/null
@@ -1,215 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-import java.util.HashMap;
-import java.util.Map;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.opendaylight.yangtools.yang.model.api.AugmentationSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
-
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.addToAugmentations;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.createNode;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getAugmentationNode;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getUri;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.isNamespaceAsParent;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.resolveName;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_HOLDER_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_LEAF_HOLDER_NODE;
-import static org.opendaylight.yangtools.yang.data.impl.schema.SchemaUtils.findCorrespondingAugment;
-
-/**
- * Abstraction of an entity that represents an inner node to properties data
- * tree.
- *
- * @param <T> type of child
- */
-public abstract class InnerNode<T extends NodeChild> extends PropertiesNode {
-
-    private Map<String, T> children = new HashMap<String, T>();
-
-    protected InnerNode(String name, Namespace namespace, String uri,
-                        PropertiesNode parent, Object appInfo, NodeType nodeType) {
-        super(name, namespace, uri, parent, appInfo, nodeType);
-    }
-
-    /**
-     * Returns children.
-     *
-     * @return children
-     */
-    public Map<String, T> children() {
-        return children;
-    }
-
-    /**
-     * Sets children.
-     *
-     * @param children child nodes
-     */
-    public void children(Map<String, T> children) {
-        this.children = children;
-    }
-
-    @Override
-    public PropertiesNode addChild(String name, Namespace namespace,
-                                   NodeType type,
-                                   Object appInfo) throws SvcLogicException {
-        PropertiesNode node = ((PropertiesNode) children.get(name));
-        if (node != null) {
-            return node;
-        }
-
-        // get augment schema, if it is augmented node
-        AugmentationSchemaNode augSchema = null;
-        if (((DataSchemaNode) appInfo).isAugmenting()) {
-            augSchema = findCorrespondingAugment(((DataSchemaNode) this.appInfo()), ((DataSchemaNode) appInfo));
-            node = getAugmentationNode(augSchema, this, name);
-        }
-
-        // create node based on type
-        if (node == null) {
-            String uri = getUri(this, name, namespace);
-            node = createNode(name, namespace, uri, this, appInfo, type);
-        }
-
-        // If namespace is not same as parent then it is augmented node
-        if (augSchema != null && !isNamespaceAsParent(this, node)) {
-            addToAugmentations(augSchema, this, node);
-        } else {
-            children.put(name, ((T) node));
-        }
-        return node;
-    }
-
-    @Override
-    public PropertiesNode addChild(String name, Namespace namespace,
-                                   NodeType type, String value,
-                                   Namespace valueNs,
-                                   Object appInfo) throws SvcLogicException {
-        LeafNode node = ((LeafNode) children.get(name));
-        if (node != null) {
-            return  node;
-        }
-
-        AugmentationSchemaNode augSchema = null;
-        String uri = getUri(this, name, namespace);
-        node = new LeafNode(name, namespace, uri, this,
-                            appInfo, type, value);
-
-        if (type != NodeType.ANY_XML_NODE) {
-            if (((DataSchemaNode) appInfo).isAugmenting()) {
-                augSchema = findCorrespondingAugment(
-                        ((DataSchemaNode) this.appInfo()),
-                        ((DataSchemaNode) appInfo));
-            }
-            node.valueNs(valueNs);
-        }
-
-        if (augSchema != null && !isNamespaceAsParent(this, node)) {
-            addToAugmentations(augSchema, this, node);
-        } else {
-            children.put(name, ((T) node));
-        }
-        return node;
-    }
-
-    @Override
-    public PropertiesNode addChild(String index, String name,
-                                   Namespace namespace, NodeType type,
-                                   Object appInfo) throws SvcLogicException {
-        String localname = resolveName(name);
-        PropertiesNode node = ((PropertiesNode) children.get(localname));
-
-        if (node == null) {
-            AugmentationSchemaNode augSchema = null;
-            if (((DataSchemaNode) appInfo).isAugmenting()) {
-                augSchema = findCorrespondingAugment(((DataSchemaNode) this.appInfo()),
-                                                     ((DataSchemaNode) appInfo));
-                node = getAugmentationNode(augSchema, this, localname);
-            }
-
-            if (node == null) {
-                String uri = getUri(this, name, namespace);
-                node = new ListHolderNode(localname, namespace, uri,
-                                          this, appInfo, MULTI_INSTANCE_HOLDER_NODE);
-            }
-
-            if (augSchema != null && !isNamespaceAsParent(this, node)) {
-                addToAugmentations(augSchema, this, node);
-            } else {
-                children.put(localname, ((T) node));
-            }
-
-            node = node.addChild(index, localname, namespace, type, appInfo);
-        } else if (node instanceof ListHolderNode) {
-            ListHolderChild child = ((ListHolderNode) node).child(index);
-            node = (child != null ? ((MultiInstanceNode) child) :
-                    node.addChild(index, localname, namespace, type, appInfo));
-        } else {
-            throw new SvcLogicException("Duplicate node exist with same node");
-        }
-        return node;
-    }
-
-    @Override
-    public PropertiesNode addChild(String index, String name,
-                                   Namespace namespace, NodeType type,
-                                   String value, Namespace valueNs,
-                                   Object appInfo) throws SvcLogicException {
-        String localName = resolveName(name);
-        PropertiesNode node = ((PropertiesNode) children.get(localName));
-
-        if (node == null) {
-
-            AugmentationSchemaNode augSchema = null;
-            if (((DataSchemaNode) appInfo).isAugmenting()) {
-                augSchema = findCorrespondingAugment(((DataSchemaNode) this.appInfo()),
-                                                     ((DataSchemaNode) appInfo));
-                node = getAugmentationNode(augSchema, this, localName);
-            }
-
-            if (node == null) {
-                String uri = getUri(this, name, namespace);
-                node = new LeafListHolderNode(localName, namespace, uri, this,
-                                              appInfo, MULTI_INSTANCE_LEAF_HOLDER_NODE);
-            }
-
-            if (augSchema != null && !isNamespaceAsParent(this, node)) {
-                addToAugmentations(augSchema, this, node);
-            } else {
-                children.put(localName, ((T) node));
-            }
-
-            node = node.addChild(index, localName, namespace, type, value, valueNs, appInfo);
-        } else if (node instanceof LeafListHolderNode) {
-            LeafNode child = ((LeafNode) ((HolderNode) node).child(index));
-            node = (child != null ? child : node.addChild(index, localName,
-                                                          namespace, type,
-                                                          value, valueNs,
-                                                          appInfo));
-        } else {
-            throw new SvcLogicException("Duplicate node exist with same node");
-        }
-        return node;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/LeafListHolderChild.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/LeafListHolderChild.java
deleted file mode 100644
index e43249a3d..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/LeafListHolderChild.java
+++ /dev/null
@@ -1,28 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-/**
- * Abstraction of entity representing child's to leaf list holder.
- */
-public interface LeafListHolderChild extends NodeChild {
-
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/LeafListHolderNode.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/LeafListHolderNode.java
deleted file mode 100644
index 46ab5bb63..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/LeafListHolderNode.java
+++ /dev/null
@@ -1,93 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Modifications Copyright © 2018 IBM
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-
-/**
- * Representation of leaf list holder node which will hold multi instance leaf
- * node in properties data tree.
- */
-public class LeafListHolderNode extends HolderNode<LeafListHolderChild> implements DataNodeChild {
-
-    private static final String node = " holder node";
-
-    /**
-     * Creates an instance of LeafListHolderNode.
-     *
-     * @param name name of the leaf-list node
-     * @param namespace namespace of the leaf-list node
-     * @param uri uri of the leaf-list node
-     * @param parent parent node of the leaf-list
-     * @param appInfo application info
-     * @param nodeType node type
-     */
-    public LeafListHolderNode(String name, Namespace namespace,
-                              String uri, PropertiesNode parent,
-                              Object appInfo, NodeType nodeType) {
-        super(name, namespace, uri, parent, appInfo, nodeType);
-    }
-
-    @Override
-    public PropertiesNode addChild(String name, Namespace namespace,
-                                   NodeType type, String value,
-                                   Namespace valueNs,
-                                   Object appInfo) throws SvcLogicException {
-        throw new SvcLogicException("Leaf cannot be child of leaf-list" +
-                                                   node);
-    }
-
-    @Override
-    public PropertiesNode addChild(String name, Namespace namespace,
-                                   NodeType type,
-                                   Object appInfo) throws SvcLogicException {
-        throw new SvcLogicException("Container cannot be child of leaf-list" +
-                                                   node);
-    }
-
-    @Override
-    public PropertiesNode addChild(String index, String name,
-                                   Namespace namespace,
-                                   NodeType type,
-                                   Object appInfo) throws SvcLogicException {
-        throw new SvcLogicException("List cannot be child of leaf-list" +
-                                                   node);
-    }
-
-    @Override
-    public PropertiesNode addChild(String index, String name,
-                                   Namespace namespace, NodeType type,
-                                   String value, Namespace valueNs,
-                                   Object appInfo) throws SvcLogicException {
-        LeafNode node = ((LeafNode) children().get(index));
-        if (index == null) {
-            index = String.valueOf(children().size());
-        }
-        String uri = this.uri() + "[" + index + "]";
-        node = (node != null) ? node : new LeafNode(name, namespace, uri,
-                                                    this, appInfo, type, value);
-        node.valueNs(valueNs);
-        children().put(index, node);
-        return node;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/LeafNode.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/LeafNode.java
deleted file mode 100644
index 041175ca7..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/LeafNode.java
+++ /dev/null
@@ -1,122 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- *
- * Modifications Copyright © 2018 IBM
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-
-/**
- * Representation of leaf node in properties data tree.
- */
-public class LeafNode extends PropertiesNode implements LeafListHolderChild, DataNodeChild {
-
-    private String value;
-    private Namespace valueNs;
-    private static final String svcLogicException = "Leaf cannot hold child nodes";
-
-    /**
-     * Creates an instance of leaf node.
-     *
-     * @param name name of the leaf node
-     * @param namespace namespace of the leaf node
-     * @param uri uri of the leaf node
-     * @param parent parent of the leaf node
-     * @param appInfo application info
-     * @param nodeType node type
-     * @param value value of the leaf
-     */
-    public LeafNode(String name, Namespace namespace,
-                    String uri, PropertiesNode parent,
-                    Object appInfo, NodeType nodeType,
-                    String value) {
-        super(name, namespace, uri, parent, appInfo, nodeType);
-        this.value = value;
-    }
-
-    /**
-     * Returns value of the leaf.
-     *
-     * @return value of the leaf
-     */
-    public String value() {
-        return value;
-    }
-
-    /**
-     * Sets value of the leaf.
-     *
-     * @param value value of the leaf
-     */
-    public void value(String value) {
-        this.value = value;
-    }
-
-    /**
-     * Returns value namespace.
-     *
-     * @return value namespace
-     */
-    public Namespace valueNs() {
-        return valueNs;
-    }
-
-    /**
-     * Sets value namespace.
-     *
-     * @param valueNs value namespace
-     */
-    public void valueNs(Namespace valueNs) {
-        this.valueNs = valueNs;
-    }
-
-    @Override
-    public PropertiesNode addChild(String name, Namespace namespace,
-                                   NodeType type,
-                                   Object appInfo) throws SvcLogicException {
-        throw new SvcLogicException(svcLogicException);
-    }
-
-    @Override
-    public PropertiesNode addChild(String name, Namespace namespace,
-                                   NodeType type, String value,
-                                   Namespace valueNs,
-                                   Object appInfo) throws SvcLogicException {
-        throw new SvcLogicException(svcLogicException);
-    }
-
-    @Override
-    public PropertiesNode addChild(String index, String name,
-                                   Namespace namespace,
-                                   NodeType type,
-                                   Object appInfo) throws SvcLogicException {
-        throw new SvcLogicException(svcLogicException);
-    }
-
-    @Override
-    public PropertiesNode addChild(String index, String name,
-                                   Namespace namespace,
-                                   NodeType type, String value,
-                                   Namespace valueNs,
-                                   Object appInfo) throws SvcLogicException {
-        throw new SvcLogicException("Leaf cannot hold child nodes");
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/ListHolderChild.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/ListHolderChild.java
deleted file mode 100644
index ec9cc2a0f..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/ListHolderChild.java
+++ /dev/null
@@ -1,28 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-/**
- * Abstraction of entity representing child's to list holder.
- */
-public interface ListHolderChild extends NodeChild {
-
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/ListHolderNode.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/ListHolderNode.java
deleted file mode 100644
index ba9da54cf..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/ListHolderNode.java
+++ /dev/null
@@ -1,73 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-
-/**
- * Representation of list holder node which will hold multi instance node in
- * properties data tree.
- */
-public class ListHolderNode extends HolderNode<ListHolderChild> implements DataNodeChild {
-
-    protected ListHolderNode(String name, Namespace namespace, String uri,
-                          PropertiesNode parent, Object appInfo, NodeType nodeType) {
-        super(name, namespace, uri, parent, appInfo, nodeType);
-    }
-
-    @Override
-    public PropertiesNode addChild(String name, Namespace namespace,
-                                   NodeType type, String value,
-                                   Namespace valueNs,
-                                   Object appInfo) throws SvcLogicException {
-        throw new SvcLogicException("Leaf cannot be child of list holder node");
-    }
-
-    @Override
-    public PropertiesNode addChild(String name, Namespace namespace,
-                                   NodeType type,
-                                   Object appInfo) throws SvcLogicException {
-        throw new SvcLogicException("Container cannot be child of list holder node");
-    }
-
-    @Override
-    public PropertiesNode addChild(String index, String name,
-                                   Namespace namespace, NodeType type,
-                                   Object appInfo) throws SvcLogicException {
-        MultiInstanceNode node = ((MultiInstanceNode) children().get(index));
-        if (index == null) {
-            index = String.valueOf(children().size());
-        }
-        String uri = this.uri() + "[" + index + "]";
-        node = (node != null) ? node : new MultiInstanceNode(name, namespace, uri,
-                                                             this, appInfo, type);
-        children().put(index, node);
-        return node;
-    }
-
-    @Override
-    public PropertiesNode addChild(String index, String name,
-                                   Namespace namespace, NodeType type,
-                                   String value, Namespace valueNs,
-                                   Object appInfo) throws SvcLogicException {
-        throw new SvcLogicException("Leaf-list cannot be child of list holder node");
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MdsalPropertiesNodeSerializer.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MdsalPropertiesNodeSerializer.java
deleted file mode 100644
index 8a6e75668..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MdsalPropertiesNodeSerializer.java
+++ /dev/null
@@ -1,227 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-import java.util.HashMap;
-import java.util.Map;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.opendaylight.restconf.common.errors.RestconfDocumentedException;
-import org.opendaylight.yangtools.yang.model.api.Module;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.opendaylight.yangtools.yang.model.api.SchemaNode;
-import org.opendaylight.yangtools.yang.model.util.SchemaContextUtil;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.DOT_REGEX;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.SLASH;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getChildSchemaNode;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getIndex;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getListName;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getNamespace;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getNodeType;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getParsedValue;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getProcessedPath;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getRevision;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getValueNamespace;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.resolveName;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.ANY_XML_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_LEAF_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_LEAF_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_NODE;
-
-/**
- * Representation of mdsal based properties node serializer implementation.
- */
-public class MdsalPropertiesNodeSerializer extends PropertiesNodeSerializer<SchemaNode, SchemaContext> {
-
-    private static final Logger log = LoggerFactory.getLogger(
-            MdsalPropertiesNodeSerializer.class);
-    private SchemaNode curSchema;
-    private PropertiesNode node;
-
-    /**
-     * Creates the properties node serializer.
-     *
-     * @param schemaNode schema node.
-     * @param schemaCtx  schema context
-     * @param uri        URL of the request
-     */
-    public MdsalPropertiesNodeSerializer(SchemaNode schemaNode,
-                                         SchemaContext schemaCtx, String uri) {
-        super(schemaNode, schemaCtx, uri);
-    }
-
-    @Override
-    public PropertiesNode encode(Map<String, String> paramMap) throws SvcLogicException {
-        curSchema = schemaNode();
-        String nodeInUri[] = uri().split("\\/");
-        String lastNodeName = nodeInUri[nodeInUri.length - 1];
-        String rootUri = uri().replaceAll("\\/", "\\.");
-        node = createRootNode(lastNodeName, rootUri);
-
-        paramMap = convertToValidParam(paramMap);
-
-        updateModNameReq(paramMap, rootUri);
-
-        for (Map.Entry<String, String> entry : paramMap.entrySet()) {
-            String[] names = entry.getKey().split("\\.");
-            for (int i = 0; i < names.length; i++) {
-                if (i < nodeInUri.length) {
-                    if (!(nodeInUri[i].equals(names[i]))) {
-                        break;
-                    }
-                } else {
-                    createPropertyNode(i, names.length, names[i],
-                                       entry.getValue());
-                }
-            }
-        }
-        return node;
-    }
-
-    private void updateModNameReq(Map<String, String> paramMap,
-                                  String rootUri) {
-        String isReqStr = rootUri + "." + "isNonAppend";
-        String val = paramMap.get(isReqStr);
-        if (val != null && val.equals("true")) {
-            node.nonAppend(true);
-        }
-    }
-
-    /**
-     * Converts all the params in the svc logic context into a valid param by
-     * replacing the underscore in module name to colon at necessary places.
-     *
-     * @param paramMap list of invalid parameters
-     * @return list of partially valid parameters
-     */
-    private Map<String, String> convertToValidParam(Map<String, String> paramMap) {
-        Map<String, String> fixedParams = new HashMap<>();
-        for(Map.Entry<String, String> entry : paramMap.entrySet()) {
-            String key = entry.getKey().replaceAll(DOT_REGEX, SLASH);
-            try {
-                SchemaPathHolder fixedUrl = getProcessedPath(key, schemaCtx());
-                String fixedUri = fixedUrl.getUri().replaceAll(
-                        SLASH, DOT_REGEX);
-                fixedParams.put(fixedUri, entry.getValue());
-            } catch (IllegalArgumentException | RestconfDocumentedException
-                    | NullPointerException e) {
-                log.info("Exception while processing properties by replacing " +
-                    "underscore with colon. Process the properties as it is." + e);
-                fixedParams.put(entry.getKey(), entry.getValue());
-            }
-        }
-        return fixedParams;
-    }
-
-    @Override
-    public Map<String, String> decode(PropertiesNode propertiesNode)
-            throws SvcLogicException {
-        PropertiesNodeWalker walker = new DefaultPropertiesNodeWalker<>();
-        DefaultPropertiesNodeListener listener = new DefaultPropertiesNodeListener();
-        walker.walk(listener, propertiesNode);
-        return listener.params();
-    }
-
-    private RootNode createRootNode(String lastNodeName, String rootUri) {
-        Module m = SchemaContextUtil.findParentModule(schemaCtx(), curSchema);
-        Namespace ns = new Namespace(m.getName(), m.getNamespace(),
-                                     getRevision(m.getRevision()));
-        return new RootNode(lastNodeName, ns, schemaNode(), rootUri);
-    }
-
-    private void createPropertyNode(int index, int length, String name,
-                                    String value) throws SvcLogicException {
-
-        Namespace ns = getNamespace(getListName(name), schemaCtx(),
-                                    node, curSchema);
-        String localName = resolveName(ns, name);
-        SchemaNode schema = getChildSchemaNode(curSchema, localName, ns);
-        if (schema == null) {
-            return;
-        }
-
-        switch (getNodeType(index, length, name, schema)) {
-            case SINGLE_INSTANCE_NODE:
-                node = node.addChild(localName, ns,
-                                     SINGLE_INSTANCE_NODE, schema);
-                curSchema = schema;
-                break;
-
-            case MULTI_INSTANCE_NODE:
-                node = node.addChild(getIndex(name), localName, ns,
-                                     MULTI_INSTANCE_NODE, schema);
-                curSchema = schema;
-                break;
-
-            case SINGLE_INSTANCE_LEAF_NODE:
-                addLeafNode(value, SINGLE_INSTANCE_LEAF_NODE, localName,
-                               ns, schema, name);
-                break;
-
-            case MULTI_INSTANCE_LEAF_NODE:
-                addLeafNode(value, MULTI_INSTANCE_LEAF_NODE, localName,
-                               ns, schema, name);
-                break;
-
-            case ANY_XML_NODE:
-                node = node.addChild(localName, ns, ANY_XML_NODE,
-                                     value, null, schema);
-                node = node.endNode();
-                curSchema = ((SchemaNode) node.appInfo());
-                break;
-
-            default:
-                throw new SvcLogicException("Invalid node type");
-        }
-    }
-
-    /**
-     * Adds leaf property node to the current node.
-     *
-     * @param value value of the leaf node
-     * @param type single instance or multi instance leaf node
-     * @param localName name of the leaf node
-     * @param ns namespace of the leaf node
-     * @param schema schema of the leaf node
-     * @param name name of the leaf in properties
-     * @throws SvcLogicException exception while adding leaf node
-     */
-    private void addLeafNode(String value, NodeType type,
-                                String localName, Namespace ns,
-                                SchemaNode schema, String name) throws SvcLogicException {
-        Namespace valNs = getValueNamespace(value, schemaCtx());
-        value = getParsedValue(valNs, value);
-        if (SINGLE_INSTANCE_LEAF_NODE == type) {
-            node = node.addChild(localName, ns, SINGLE_INSTANCE_LEAF_NODE,
-                                 value, valNs, schema);
-        } else {
-            node = node.addChild(getIndex(name), localName, ns,
-                                 MULTI_INSTANCE_LEAF_NODE, value,
-                                 valNs, schema);
-        }
-        node = node.endNode();
-        curSchema = ((SchemaNode) node.appInfo());
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MdsalPropertiesNodeUtils.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MdsalPropertiesNodeUtils.java
deleted file mode 100644
index e6fa064f5..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MdsalPropertiesNodeUtils.java
+++ /dev/null
@@ -1,578 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-import java.util.Collection;
-import java.util.Deque;
-import java.util.Iterator;
-import java.util.Optional;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
-import org.opendaylight.restconf.common.errors.RestconfDocumentedException;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.common.Revision;
-import org.opendaylight.yangtools.yang.data.impl.schema.SchemaUtils;
-import org.opendaylight.yangtools.yang.data.util.ParserStreamUtils;
-import org.opendaylight.yangtools.yang.data.util.codec.IdentityCodecUtil;
-import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.AugmentationSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.IdentitySchemaNode;
-import org.opendaylight.yangtools.yang.model.api.Module;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.opendaylight.yangtools.yang.model.api.SchemaNode;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import static com.google.common.base.Preconditions.checkArgument;
-import static java.lang.String.format;
-import static java.util.regex.Pattern.quote;
-import static org.opendaylight.restconf.nb.rfc8040.utils.parser.ParserIdentifier.toInstanceIdentifier;
-
-/**
- * Represents utilities for properties node tree.
- */
-public final class MdsalPropertiesNodeUtils {
-
-    static final String COLON = ":";
-
-    static final String UNDERSCORE = "_";
-
-    static final String SLASH = "/";
-
-    static final String DOT_REGEX = "\\.";
-
-    private static final String INFO_MSG = "The %s formed is currently not" +
-            " valid";
-
-    private static final String EXC_MSG = "Unable to form a formatted path";
-
-    /**
-     * Logger for the Mdsal properties util class.
-     */
-    private static final Logger log = LoggerFactory.getLogger(
-            MdsalPropertiesNodeUtils.class);
-
-    private MdsalPropertiesNodeUtils() {
-    }
-
-    /**
-     * Returns the index from multi instance property name.
-     *
-     * @param name name of the property
-     * @return index from multi instance property name
-     */
-    public static String getIndex(String name) {
-        return name.substring(name.indexOf("[") + 1,
-                              name.indexOf("]"));
-    }
-
-    /**
-     * Returns the multi instance property name.
-     *
-     * @param name name of the property
-     * @return the multi instance property name
-     */
-    public static String getListName(String name) {
-        String[] s = name.split("\\[");
-        return s[0];
-    }
-
-    /**
-     * Returns true if property is multi instance.
-     *
-     * @param name name of the property
-     * @return true if property is multi instance
-     */
-    public static boolean isListEntry(String name) {
-        String s[] = name.split("\\[");
-        return s.length > 1;
-    }
-
-    /**
-     * Returns name of the property after pruning namespace and
-     * index if the property is multi instance.
-     *
-     * @param name name of the property
-     * @return name of the property
-     */
-    static String resolveName(String name) {
-        String localName = getListName(name);
-        final int lastIndexOfColon = localName.lastIndexOf(":");
-        if (lastIndexOfColon != -1) {
-            localName = localName.substring(lastIndexOfColon + 1);
-        }
-        return localName;
-    }
-
-    /**
-     * Returns name of the property after pruning namespace and index if the
-     * property is multi instance by knowing the module name from namespace.
-     *
-     * @param ns   namespace
-     * @param name name of the node
-     * @return resolved name
-     */
-    static String resolveName(Namespace ns, String name) {
-        String localName = getListName(name);
-        String modName = ns.moduleName();
-        if ((localName.contains(COLON) || localName.contains(UNDERSCORE))
-                && localName.startsWith(modName)) {
-            localName = localName.substring(modName.length()+1);
-        }
-        return localName;
-    }
-
-    /**
-     * Adds current node to parent's augmentation map.
-     *
-     * @param augSchema augment schema
-     * @param parent parent property node
-     * @param curNode current property node
-     */
-    public static void addToAugmentations(AugmentationSchemaNode augSchema,
-                                          PropertiesNode parent,
-                                          PropertiesNode curNode) {
-        Collection<PropertiesNode> childsFromAugmentation = parent
-                .augmentations().get(augSchema);
-        if (!childsFromAugmentation.isEmpty()) {
-            for (PropertiesNode pNode : childsFromAugmentation) {
-                if (pNode.name().equals(curNode.name())) {
-                    return;
-                }
-            }
-        }
-        parent.augmentations().put(augSchema, curNode);
-    }
-
-
-    /**
-     * Returns augmented properties node if it is already
-     * added in properties tree.
-     *
-     * @param augSchema augmented schema node
-     * @param parent parent properties node
-     * @param name name of the properties
-     * @return augmented properties node if it is already added
-     */
-    public static PropertiesNode getAugmentationNode(
-            AugmentationSchemaNode augSchema,
-            PropertiesNode parent, String name) {
-        if (augSchema == null) {
-            return null;
-        }
-
-        Collection<PropertiesNode> childsFromAugmentation = parent
-            .augmentations().get(augSchema);
-        if (!childsFromAugmentation.isEmpty()) {
-            for (PropertiesNode pNode : childsFromAugmentation) {
-                if (pNode.name().equals(name)) {
-                    return pNode;
-                }
-            }
-        }
-
-        return null;
-    }
-
-    /**
-     * Creates uri with specified name and namespace.
-     *
-     * @param parent parent properties node
-     * @param name name of the node
-     * @param ns namespace of the node
-     * @return uri with specified name and namespace
-     */
-    public static String getUri(PropertiesNode parent, String name,
-                                Namespace ns) {
-        String uri = name;
-        if (!(parent.namespace().moduleNs().equals(ns.moduleNs()))) {
-            uri = ns.moduleName() + ":" + name;
-        }
-        return parent.uri() + "." + uri;
-    }
-
-    /**
-     * Creates new properties with specified parameters.
-     *
-     * @param name name of the properties node
-     * @param namespace namespace of the properties node
-     * @param uri uri of the properties node
-     * @param parent parent node
-     * @param appInfo application info
-     * @param type node type
-     * @return new properties node
-     * @throws SvcLogicException exception while creating properties node
-     */
-    public static PropertiesNode createNode(String name, Namespace namespace,
-                                            String uri, PropertiesNode parent,
-                                            Object appInfo, NodeType type)
-            throws SvcLogicException {
-        switch (type) {
-            case SINGLE_INSTANCE_NODE:
-                return new SingleInstanceNode(name, namespace, uri, parent, appInfo, type);
-            case MULTI_INSTANCE_HOLDER_NODE:
-                return new ListHolderNode(name, namespace, uri, parent, appInfo, type);
-            case MULTI_INSTANCE_LEAF_HOLDER_NODE:
-                return new LeafListHolderNode(name, namespace, uri, parent, appInfo, type);
-            default:
-                throw new SvcLogicException("Invalid node type " + type);
-        }
-    }
-
-    /**
-     * Returns true if namespace is same as parent's namespace.
-     *
-     * @param parent parent property node
-     * @param curNode current property node
-     * @return true if namespace is same as parent namespace
-     */
-    public static boolean isNamespaceAsParent(PropertiesNode parent,
-                                              PropertiesNode curNode) {
-        return parent.namespace().moduleNs().equals(curNode.namespace().moduleNs());
-    }
-
-    /**
-     * Returns the schema path holder with a formatted url and the instance
-     * identifier context from a given uri or the parameters from svc logic
-     * context.
-     *
-     * @param uri     unformatted uri or parameter
-     * @param context schema context
-     * @return schema path holder
-     */
-    public static SchemaPathHolder getProcessedPath(String uri,
-                                                    SchemaContext context) {
-
-        String uri1 = uri.replaceAll(UNDERSCORE, COLON);
-        try {
-            InstanceIdentifierContext<?> id = toInstanceIdentifier(
-                    uri1, context, null);
-            return new SchemaPathHolder(id, uri1);
-        } catch (IllegalArgumentException | RestconfDocumentedException
-                | NullPointerException e) {
-            log.info("Exception while converting uri to instance identifier" +
-                " context. Process each node in uri to get instance identifier" +
-                " context " + e);
-            return processNodesAndAppendPath(uri, context);
-        }
-    }
-
-    /**
-     * Processes the nodes in the given uri and finds instance identifier
-     * context till it reaches the last node in uri. If its not able to find
-     * schema for the path, it appends the suffix part and puts it back in
-     * the param list.
-     *
-     * @param uri     uri with underscore
-     * @param context schema context
-     * @return schema and path holder
-     */
-    private static SchemaPathHolder processNodesAndAppendPath(String uri,
-                                                              SchemaContext context) {
-
-        String actPath = "";
-        SchemaPathHolder id = new SchemaPathHolder(null, "");
-        String[] uriParts = uri.split(SLASH);
-        String sec = "";
-        if (uri.contains(UNDERSCORE)) {
-            sec = uri.substring(uriParts[0].length()+1);
-        }
-        for (int i = 0; i<uriParts.length; i++) {
-
-            try {
-                id = processIdentifier(uriParts[i], context, actPath);
-            } catch (IllegalArgumentException e) {
-                log.info(format(EXC_MSG, e));
-                id.setUri(actPath+ uriParts[i] + sec);
-                return id;
-            }
-
-            actPath = actPath + id.getUri() + SLASH;
-            if (sec.startsWith(SLASH)) {
-                sec = sec.replaceFirst(SLASH, "");
-            }
-            if (i+1 < uriParts.length) {
-                sec = sec.replaceFirst(quote(uriParts[i + 1]), "");
-            }
-        }
-        id.setUri(actPath.substring(0,actPath.length() - 1));
-        return id;
-    }
-
-    /**
-     * Processes the schema and path holder for a given node in the path. It
-     * figures if the path is valid by replacing underscore in the node
-     * consecutively, till it finds the proper schema for the node.
-     *
-     * @param node    node in the path
-     * @param context schema context
-     * @param prefix  prefix for the node in the path
-     * @return schema and path holder
-     */
-    private static SchemaPathHolder processIdentifier(String node,
-                                                      SchemaContext context,
-                                                      String prefix) {
-
-        String[] values = node.split(UNDERSCORE);
-        String val = values[0];
-        StringBuilder firstHalf = new StringBuilder();
-        String secondHalf = "";
-        if (node.contains(UNDERSCORE)) {
-            secondHalf = node.substring(values[0].length()+1);
-        }
-        InstanceIdentifierContext<?> id;
-        for (int i = 0; i< values.length-1; i++) {
-            val = values[i];
-            val = firstHalf + val + COLON + secondHalf;
-            try {
-                id = toInstanceIdentifier(prefix + val, context, null);
-                return new SchemaPathHolder(id, val);
-            } catch (IllegalArgumentException | RestconfDocumentedException |
-                    NullPointerException e) {
-                log.info(format(INFO_MSG, val, e));
-            }
-            firstHalf.append(values[i]).append(UNDERSCORE);
-            secondHalf = secondHalf.replaceFirst(
-                    values[i + 1] + UNDERSCORE,"");
-        }
-        val = val.replace(COLON,UNDERSCORE);
-        try {
-            id = toInstanceIdentifier(prefix + val, context, null);
-            return new SchemaPathHolder(id, val);
-        } catch (IllegalArgumentException | RestconfDocumentedException |
-                NullPointerException e1) {
-            throw new IllegalArgumentException(EXC_MSG, e1);
-        }
-    }
-
-    /**
-     * Returns the namespace of the given node name. If the node name is
-     * separated by colon, the it splits with colon and forms the namespace.
-     * If the node name is formed with underscore, then it splits the node
-     * name consecutively to figure out the proper module name.
-     *
-     * @param childName node name
-     * @param ctx       schema context
-     * @param parent    parent properties node
-     * @param curSchema current schema
-     * @return namespace of the given node
-     */
-    static Namespace getNamespace(String childName, SchemaContext ctx,
-                                  PropertiesNode parent, SchemaNode curSchema) {
-
-        Namespace parentNs = parent.namespace();
-        Namespace ns = new Namespace(parentNs.moduleName(),
-                                     parentNs.moduleNs(), parentNs.revision());
-        int lastIndexOfColon = childName.lastIndexOf(COLON);
-        if (lastIndexOfColon != -1) {
-            String moduleName = childName.substring(0, lastIndexOfColon);
-            childName = childName.substring(lastIndexOfColon+1);
-            Namespace ns1 = getNs(moduleName, ctx);
-            if (ns1 != null) {
-                ns = ns1;
-            }
-        }
-
-        SchemaNode child = getChildSchemaNode(curSchema, childName, ns);
-
-        if (child == null && childName.contains(UNDERSCORE)) {
-            String[] children = childName.split(UNDERSCORE);
-            String second = childName.substring(children[0].length() + 1);
-            StringBuilder first = new StringBuilder();
-
-            for (int i =0; i< children.length; i++) {
-                String moduleName = first + children[i];
-                Namespace newNs = getNs(moduleName, ctx);
-                if (newNs != null) {
-                    return newNs;
-                }
-                first.append(children[i]).append(UNDERSCORE);
-                if (i + 1 < children.length) {
-                    second = second.replaceFirst(
-                            children[i + 1] + UNDERSCORE, "");
-                }
-            }
-            return ns;
-        }
-        return ns;
-    }
-
-    /**
-     * Returns the namespace by finding the given module in the schema context.
-     *
-     * @param modName module name
-     * @param ctx     schema context
-     * @return namespace of the given node name
-     */
-    private static Namespace getNs(String modName, SchemaContext ctx) {
-        Iterator<Module> it = ctx.findModules(modName).iterator();
-        if (it.hasNext()) {
-            Module m = it.next();
-            return new Namespace(modName, m.getQNameModule().getNamespace(),
-                                 getRevision(m.getRevision()));
-        }
-        return null;
-    }
-
-    /**
-     * Returns child schema node.
-     *
-     * @param curSchema current schema node
-     * @param name name of the property
-     * @param namespace namespace of the property
-     * @return child schema node
-     */
-    public static SchemaNode getChildSchemaNode(SchemaNode curSchema,
-                                                String name,
-                                                Namespace namespace) {
-        if (namespace == null) {
-            return null;
-        }
-
-        QName qname =  QName.create(namespace.moduleNs(),
-                                    Revision.of(namespace.revision()), name);
-
-        // YANG RPC will not be instance of DataSchemaNode
-        if (curSchema instanceof DataSchemaNode) {
-            Deque<DataSchemaNode> schemaNodeDeque = ParserStreamUtils.
-                    findSchemaNodeByNameAndNamespace(((DataSchemaNode)
-                            curSchema), name, namespace.moduleNs());
-            if (schemaNodeDeque.isEmpty()) {
-                // could not find schema node
-                return null;
-            }
-
-            DataSchemaNode schemaNode = schemaNodeDeque.pop();
-            if (schemaNodeDeque.isEmpty()){
-                // Simple node
-                return schemaNode;
-            }
-
-            // node is child of Choice/case
-            return SchemaUtils.findSchemaForChild(((ChoiceSchemaNode) schemaNode),
-                                                  qname);
-        } else {
-            return SchemaUtils.findDataChildSchemaByQName(curSchema, qname);
-        }
-    }
-
-    /**
-     * Returns the property node type.
-     *
-     * @param index current index
-     * @param length length of the properties
-     * @param name name of the property
-     * @return the property node type
-     */
-    public static NodeType getNodeType(int index, int length, String name,
-                                       SchemaNode schema) {
-        if (index == length-1) {
-            if (schema instanceof AnyXmlSchemaNode){
-                return NodeType.ANY_XML_NODE;
-            }
-            return (isListEntry(name) ? NodeType.MULTI_INSTANCE_LEAF_NODE :
-                    NodeType.SINGLE_INSTANCE_LEAF_NODE);
-        } else {
-            return (isListEntry(name) ? NodeType.MULTI_INSTANCE_NODE :
-                    NodeType.SINGLE_INSTANCE_NODE);
-        }
-    }
-
-    /**
-     * Returns revision in string.
-     *
-     * @param r YANG revision
-     * @return revision in string
-     */
-    public static String getRevision(Optional<Revision> r) {
-        return (r.isPresent()) ? r.get().toString() : null;
-    }
-
-    /**
-     * Returns value namespace for leaf value.
-     *
-     * @param value value of the leaf
-     * @param ctx schema context
-     * @return value namespace
-     * @throws SvcLogicException if identity/module could not be found
-     */
-    static Namespace getValueNamespace(String value,
-                                              SchemaContext ctx)
-            throws SvcLogicException {
-        String prefix = getPrefixFromValue(value);
-        if (prefix == null) {
-            return null;
-        }
-
-        IdentitySchemaNode id = IdentityCodecUtil.parseIdentity(value,
-                                                                ctx,
-                                                                prefixToModule -> {
-            final Iterator<Module> modules = ctx.findModules(prefix).iterator();
-            checkArgument(modules.hasNext(), "Could not find " +
-                                  "module %s", prefix);
-            return modules.next().getQNameModule();
-        });
-
-        if (id == null) {
-            throw new SvcLogicException("Could not find identity");
-        }
-
-        return getModuleNamespace(id.getQName(), ctx);
-    }
-
-    private static String getPrefixFromValue(String value) {
-        int lastIndexOfColon = value.lastIndexOf(":");
-        if (lastIndexOfColon != -1) {
-            return value.substring(0, lastIndexOfColon);
-        }
-        return null;
-    }
-
-    /**
-     * Returns module namespace from a given qName.
-     *
-     * @param qName qName of a node
-     * @param ctx   schema context
-     * @return module namespace of the node
-     * @throws SvcLogicException when the module is not available
-     */
-    public static Namespace getModuleNamespace(QName qName, SchemaContext ctx)
-            throws SvcLogicException {
-        Optional<Module> module = ctx.findModule(qName.getModule());
-        if (!module.isPresent()) {
-            throw new SvcLogicException("Could not find module node");
-        }
-        Module m = module.get();
-        return new Namespace(m.getName(), m.getQNameModule().getNamespace(),
-                             getRevision(m.getRevision()));
-    }
-
-    static String getParsedValue(Namespace valNs, String value) {
-        if (valNs != null && value.contains(":")) {
-            String[] valArr = value.split(":");
-            return valArr[1];
-        }
-        return value;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MultiInstanceNode.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MultiInstanceNode.java
deleted file mode 100644
index c251cdaea..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MultiInstanceNode.java
+++ /dev/null
@@ -1,32 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-/**
- * Representation of multi instance node in properties data tree.
- */
-public class MultiInstanceNode extends InnerNode<DataNodeChild> implements ListHolderChild {
-
-    public MultiInstanceNode(String name, Namespace namespace, String uri,
-                             PropertiesNode parent, Object appinfo, NodeType nodeType) {
-        super(name, namespace, uri, parent, appinfo, nodeType);
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/Namespace.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/Namespace.java
deleted file mode 100644
index 4f27ee1e7..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/Namespace.java
+++ /dev/null
@@ -1,100 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-import java.net.URI;
-
-/**
- * Representation of YANG namespace.
- */
-public class Namespace {
-    private String moduleName;
-    private URI moduleNs;
-    private String revision;
-
-    /**
-     * Creates an instance of namespace with specified module name,
-     * namespace and revision.
-     *
-     * @param modulename module name
-     * @param moduleNs module namespace
-     * @param revision revision
-     */
-    public Namespace(String modulename, URI moduleNs, String revision) {
-        this.moduleName = modulename;
-        this.moduleNs = moduleNs;
-        this.revision = revision;
-    }
-
-    /**
-     * Returns module name.
-     *
-     * @return module name
-     */
-    public String moduleName() {
-        return moduleName;
-    }
-
-    /**
-     * Sets module name.
-     *
-     * @param moduleName module name
-     */
-    public void moduleName(String moduleName) {
-        this.moduleName = moduleName;
-    }
-
-    /**
-     * Sets module namespace.
-     *
-     * @return module namespace
-     */
-    public URI moduleNs() {
-        return moduleNs;
-    }
-
-    /**
-     * Sets module namespace.
-     *
-     * @param moduleNs module namespace
-     */
-    public void moduleNs(URI moduleNs) {
-        this.moduleNs = moduleNs;
-    }
-
-    /**
-     * Returns revision.
-     *
-     * @return revision
-     */
-    public String revision() {
-        return revision;
-    }
-
-    /**
-     * Sets revision.
-     *
-     * @param revision revision
-     */
-    public void revision(String revision) {
-        this.revision = revision;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/NodeChild.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/NodeChild.java
deleted file mode 100644
index d482c6763..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/NodeChild.java
+++ /dev/null
@@ -1,28 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-/**
- * Abstraction of an entity that represents child's of a node.
- */
-public interface NodeChild {
-
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/NodeType.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/NodeType.java
deleted file mode 100644
index 0b6974e3e..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/NodeType.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-/**
- * Representation of types of node in properties node tree.
- */
-public enum NodeType {
-    SINGLE_INSTANCE_NODE,
-    MULTI_INSTANCE_NODE,
-    SINGLE_INSTANCE_LEAF_NODE,
-    MULTI_INSTANCE_LEAF_NODE,
-    MULTI_INSTANCE_HOLDER_NODE,
-    MULTI_INSTANCE_LEAF_HOLDER_NODE,
-    ANY_XML_NODE
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNode.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNode.java
deleted file mode 100644
index 7e0ad631e..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNode.java
+++ /dev/null
@@ -1,280 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-import com.google.common.collect.ArrayListMultimap;
-import com.google.common.collect.Multimap;
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-
-/**
- * Abstraction of properties node data tree. This intermediate representation
- * will enable data format serializers to be agnostic of DG context memory
- * nuances and thereby will enable faster development of new data format
- * serializers.
- */
-public abstract class PropertiesNode {
-
-    private String name;
-    private Namespace namespace;
-    private String uri;
-    private PropertiesNode parent;
-    private Object appInfo;
-    private NodeType nodeType;
-    private boolean nonAppend;
-    private Multimap<Object, PropertiesNode> augmentations = ArrayListMultimap.create();
-
-    /**
-     * Creates an instance of properties node.
-     *
-     * @param name name of node
-     * @param namespace namespace of node, null indicates parent namespace
-     * @param uri URI of this node, if null its calculated based on parent and
-     * current value of name and namespace
-     * @param parent parent's node
-     * @param appInfo application related information
-     * @param nodeType node type
-     */
-    protected PropertiesNode(String name, Namespace namespace, String uri,
-                             PropertiesNode parent, Object appInfo, NodeType nodeType) {
-        this.name = name;
-        this.namespace = namespace;
-        this.uri = uri;
-        this.parent = parent;
-        this.appInfo = appInfo;
-        this.nodeType = nodeType;
-    }
-
-    /**
-     * Sets name.
-     *
-     * @param name name of the node
-     */
-    public void name(String name) {
-        this.name = name;
-    }
-
-    /**
-     * Sets namespace.
-     *
-     * @param namespace namespace of the node
-     */
-    public void namespace(Namespace namespace) {
-        this.namespace = namespace;
-    }
-
-    /**
-     * Sets uri.
-     *
-     * @param uri uri of the node
-     */
-    public void uri(String uri) {
-        this.uri = uri;
-    }
-
-    /**
-     * Sets parent node.
-     *
-     * @param parent parent node
-     */
-    public void parent(PropertiesNode parent) {
-        this.parent = parent;
-    }
-
-    /**
-     * Sets application info.
-     *
-     * @param appInfo application info
-     */
-    public void appInfo(Object appInfo) {
-        this.appInfo = appInfo;
-    }
-
-    /**
-     * Sets to true if module name is required in forming a request; false
-     * otherwise.
-     *
-     * @param isNotReq true if required; false otherwise
-     */
-    public void nonAppend(boolean isNotReq) {
-        this.nonAppend = isNotReq;
-    }
-
-    /**
-     * Returns parent.
-     *
-     * @return parent node
-     */
-    public PropertiesNode parent() {
-        return parent;
-    }
-
-    /**
-     * Returns name.
-     *
-     * @return name of the node
-     */
-    public String name() {
-        return name;
-    }
-
-    /**
-     * Returns namespace.
-     *
-     * @return namespace of the node
-     */
-    public Namespace namespace() {
-        return namespace;
-    }
-
-    /**
-     * Returns uri.
-     *
-     * @return uri of the node
-     */
-    public String uri() {
-        return uri;
-    }
-
-    /**
-     * Returns application info.
-     *
-     * @return application info
-     */
-    public Object appInfo() {
-        return appInfo;
-    }
-
-    /**
-     * Returns node type.
-     *
-     * @return node type
-     */
-    public NodeType nodeType() {
-        return nodeType;
-    }
-
-    /**
-     * Returns if module name is required.
-     *
-     * @return status of module name if required
-     */
-    public boolean nonAppend() {
-        return nonAppend;
-    }
-
-    /**
-     * Returns augmentations.
-     *
-     * @return augmentations
-     */
-    public Multimap<Object, PropertiesNode> augmentations() {
-        return augmentations;
-    }
-
-    /**
-     * Sets augmentations.
-     *
-     * @param augmentations augmentations of the node
-     */
-    public void augmentations(Multimap<Object, PropertiesNode> augmentations) {
-        this.augmentations = augmentations;
-    }
-
-    /**
-     * Adds a child to a current node.
-     *
-     * @param name name of child
-     * @param namespace namespace of child, null represents parent namespace
-     * @param type type of node
-     * @param appInfo application info
-     * @return added properties node
-     */
-    public abstract PropertiesNode addChild(String name, Namespace namespace,
-                                            NodeType type,
-                                            Object appInfo) throws SvcLogicException;
-
-    /**
-     * Adds a child with value to a current node.
-     *
-     * @param name name of child
-     * @param namespace namespace of child, null represents parent namespace
-     * @param type type of node
-     * @param value value of node
-     * @param valueNs value namespace
-     * @param appInfo application info
-     * @throws SvcLogicException if failed to add child
-     * @return added properties node
-     */
-    public abstract PropertiesNode addChild(String name, Namespace namespace,
-                                            NodeType type, String value,
-                                            Namespace valueNs,
-                                            Object appInfo) throws SvcLogicException;
-
-    /**
-     * Adds a child at a given index to a current node. To be used in case of
-     * leaf holder child's which is multi instance node.
-     *
-     * @param index index at which node is to be added
-     * @param name name of child
-     * @param namespace namespace of child, null represents parent namespace
-     * @param type type of node
-     * @param appInfo application info
-     * @throws SvcLogicException if failed to add child
-     * @return added properties node
-     */
-    public abstract PropertiesNode addChild(String index, String name,
-                                            Namespace namespace,
-                                            NodeType type,
-                                            Object appInfo) throws SvcLogicException;
-
-    /**
-     * Adds a child at a given index to a current node. To be used in case of
-     * leaf holder child's which is multi instance node.
-     *
-     * @param index index at which node is to be added
-     * @param name name of child
-     * @param namespace namespace of child, null represents parent namespace
-     * @param type type of node
-     * @param value value of node
-     * @param valueNs value namespace
-     * @param appInfo application info
-     * @throws SvcLogicException if failed to add child
-     * @return added properties node
-     */
-    public abstract PropertiesNode addChild(String index, String name,
-                                            Namespace namespace, NodeType type,
-                                            String value, Namespace valueNs,
-                                            Object appInfo) throws SvcLogicException;
-
-    /**
-     * Returns root node.
-     *
-     * @return root node
-     */
-    public PropertiesNode endNode() {
-        PropertiesNode node = this;
-        while (node.parent() != null){
-            node = node.parent();
-        }
-        return node;
-    }
-}
-
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeListener.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeListener.java
deleted file mode 100644
index 7b97ffaf8..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeListener.java
+++ /dev/null
@@ -1,61 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-
-/**
- * Abstraction of properties node listener.
- */
-public interface PropertiesNodeListener {
-
-    /**
-     * Pre-configurations required before starting the walking.
-     *
-     * @param node properties node
-     * @throws SvcLogicException when the pre-configuration fails
-     */
-    void start(PropertiesNode node) throws SvcLogicException;
-
-    /**
-     * Post-configurations required after starting the walking.
-     *
-     * @param node properties node
-     * @throws SvcLogicException when the post-configuration fails
-     */
-    void end(PropertiesNode node) throws SvcLogicException;
-
-    /**
-     * Enters the properties node.
-     *
-     * @param node properties node
-     * @throws SvcLogicException when entering the properties node fails
-     */
-    void enterPropertiesNode(PropertiesNode node) throws SvcLogicException;
-
-    /**
-     * Enters the properties node.
-     *
-     * @param node properties node
-     * @throws SvcLogicException when exiting the properties node fails
-     */
-    void exitPropertiesNode(PropertiesNode node) throws SvcLogicException;
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeSerializer.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeSerializer.java
deleted file mode 100644
index fe6fed484..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeSerializer.java
+++ /dev/null
@@ -1,112 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-
-import java.util.Map;
-
-/**
- * Abstraction of an entity to enable encoding and decoding of properties
- * to an abstract properties node tree using YANG based schema.
- * This serializer will be used by other data format serializers and will keep
- * them abstract from properties nuances thereby enabling quick addition of any
- * new data format serializer.
- *
- * @param <T> type of schema node
- * @param <P> schema context of the model
- */
-public abstract class PropertiesNodeSerializer<T, P> {
-
-    /**
-     * Schema node from which the property is made.
-     */
-    private T schemaNode;
-
-    /**
-     * Schema context of the model.
-     */
-    private P schemaCtx;
-
-    /**
-     * URL pointing to the schema node.
-     */
-    private String uri;
-
-    /**
-     * Creates the properties node serializer.
-     *
-     * @param schemaNode schema node.
-     * @param schemaCtx schema context
-     * @param uri URL of the request
-     */
-    public PropertiesNodeSerializer(T schemaNode, P schemaCtx, String uri) {
-        this.schemaNode = schemaNode;
-        this.schemaCtx = schemaCtx;
-        this.uri = uri;
-    }
-
-    /**
-     * Encodes from properties to properties-node tree.
-     *
-     * @param paramMap parameter map
-     * @throws SvcLogicException fails to encode properties to properties node
-     * @return properties node
-     */
-    public abstract PropertiesNode encode(Map<String, String> paramMap) throws SvcLogicException;
-
-    /**
-     * Decodes from properties-node to properties map.
-     *
-     * @param propertiesNode properties-node
-     * @return parameter map
-     * @throws SvcLogicException fails to decode properties node to properties
-     */
-    public abstract Map<String, String> decode(PropertiesNode propertiesNode)
-            throws SvcLogicException;
-
-    /**
-     * Returns the schema node of the property
-     *
-     * @return schema node
-     */
-    public T schemaNode(){
-        return schemaNode;
-    }
-
-    /**
-     * Returns the schema context
-     *
-     * @return schema node
-     */
-    public P schemaCtx() {
-        return schemaCtx;
-    }
-
-    /**
-     * Returns the URI.
-     *
-     * @return uri
-     */
-    public String uri() {
-        return uri;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeWalker.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeWalker.java
deleted file mode 100644
index 36ee4dd9d..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeWalker.java
+++ /dev/null
@@ -1,38 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-
-/**
- * Abstraction of properties node walker
- */
-public interface PropertiesNodeWalker {
-    /**
-     * Walks the properties node with the listener.
-     *
-     * @param listener properties node listener.
-     * @param propertiesNode properties node
-     * @throws SvcLogicException when walking the properties node fails
-     */
-    void walk(PropertiesNodeListener listener, PropertiesNode propertiesNode)
-            throws SvcLogicException;
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/RootNode.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/RootNode.java
deleted file mode 100644
index c7f7340fd..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/RootNode.java
+++ /dev/null
@@ -1,212 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-import org.onap.ccsdk.sli.core.sli.SvcLogicException;
-import org.opendaylight.yangtools.yang.model.api.AugmentationSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
-
-import java.util.HashMap;
-import java.util.Map;
-
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.addToAugmentations;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.createNode;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getAugmentationNode;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getUri;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.isNamespaceAsParent;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.resolveName;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_HOLDER_NODE;
-import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_LEAF_HOLDER_NODE;
-import static org.opendaylight.yangtools.yang.data.impl.schema.SchemaUtils.findCorrespondingAugment;
-
-/**
- * Abstraction of node representing properties data tree.
- */
-public class RootNode<T extends NodeChild> extends PropertiesNode {
-
-    private Map<String, T> children = new HashMap<String, T>();
-
-    /**
-     * Creates an instance of the root node to build the properties.
-     *
-     * @param name      name of the node
-     * @param namespace namespace of the node
-     * @param appInfo   application info
-     * @param uri       URI of the node
-     */
-    public RootNode(String name, Namespace namespace,
-                       Object appInfo, String uri) {
-        super(name, namespace, uri, null, appInfo, null);
-    }
-
-    /**
-     * Returns children.
-     *
-     * @return children
-     */
-    public Map<String, T> children() {
-        return children;
-    }
-
-    /**
-     * Sets children.
-     *
-     * @param children child nodes
-     */
-    public void children(Map<String, T> children) {
-        this.children = children;
-    }
-
-    @Override
-    public PropertiesNode addChild(String name, Namespace namespace,
-                                   NodeType type,
-                                   Object appInfo) throws SvcLogicException {
-        PropertiesNode node = ((PropertiesNode) children.get(name));
-        if (node != null) {
-            return node;
-        }
-
-        // get augment schema, if it is augmented node
-        AugmentationSchemaNode augSchema = null;
-        if (((DataSchemaNode) appInfo).isAugmenting()) {
-            augSchema = findCorrespondingAugment(((DataSchemaNode) this.appInfo()),
-                                                 ((DataSchemaNode) appInfo));
-            node = getAugmentationNode(augSchema, this, name);
-        }
-
-        // create node based on type, this api will be invoked only for these three types
-        if (node == null) {
-            String uri = getUri(this, name, namespace);
-            node = createNode(name, namespace, uri, this, appInfo, type);
-        }
-
-        // If namespace is not same as parent then it is augmented node
-        if (augSchema != null && !isNamespaceAsParent(this, node)) {
-            addToAugmentations(augSchema, this, node);
-        } else {
-            children.put(name, ((T) node));
-        }
-        return node;
-    }
-
-    @Override
-    public PropertiesNode addChild(String name, Namespace namespace,
-                                   NodeType type, String value,
-                                   Namespace valuens,
-                                   Object appInfo) throws SvcLogicException {
-        LeafNode node = ((LeafNode) children.get(name));
-        if (node != null) {
-            return  node;
-        }
-
-        AugmentationSchemaNode augSchema = null;
-        if (((DataSchemaNode) appInfo).isAugmenting()) {
-            augSchema = findCorrespondingAugment(((DataSchemaNode) this.appInfo()),
-                                                 ((DataSchemaNode) appInfo));
-        }
-
-        String uri = getUri(this, name, namespace);
-        node = new LeafNode(name, namespace, uri, this,
-                            appInfo, type, value);
-
-        if (augSchema != null && !isNamespaceAsParent(this, node)) {
-            addToAugmentations(augSchema, this, node);
-        } else {
-            children.put(name, ((T) node));
-        }
-        return node;
-    }
-
-    @Override
-    public PropertiesNode addChild(String index, String name,
-                                   Namespace namespace, NodeType type,
-                                   Object appInfo) throws SvcLogicException {
-        String localname = resolveName(name);
-        PropertiesNode node = ((PropertiesNode) children.get(localname));
-        if (node == null) {
-            String uri = getUri(this, name, namespace);
-            AugmentationSchemaNode augSchema = null;
-            if (((DataSchemaNode) appInfo).isAugmenting()) {
-                augSchema = findCorrespondingAugment(((DataSchemaNode) this.appInfo()),
-                                                     ((DataSchemaNode) appInfo));
-                node = getAugmentationNode(augSchema, this, localname);
-            }
-
-            if (node == null) {
-                node = new ListHolderNode(localname, namespace, uri,
-                                          this, appInfo, MULTI_INSTANCE_HOLDER_NODE);
-            }
-
-            if (augSchema != null && !isNamespaceAsParent(this, node)) {
-                addToAugmentations(augSchema, this, node);
-            } else {
-                children.put(localname, ((T) node));
-            }
-            node = node.addChild(index, localname, namespace, type, appInfo);
-        } else if (node instanceof ListHolderNode) {
-            ListHolderChild child = ((ListHolderNode) node).child(index);
-            node = (child != null ? ((MultiInstanceNode) child) :
-                    node.addChild(index, localname, namespace, type, appInfo));
-        } else {
-            throw new SvcLogicException("Duplicate node exist with same node");
-        }
-        return node;
-    }
-
-    @Override
-    public PropertiesNode addChild(String index, String name,
-                                   Namespace namespace, NodeType type,
-                                   String value, Namespace valueNs,
-                                   Object appInfo) throws SvcLogicException {
-        String localName = resolveName(name);
-        PropertiesNode node = ((PropertiesNode) children.get(localName));
-        if (node == null) {
-            String uri = getUri(this, name, namespace);
-            AugmentationSchemaNode augSchema = null;
-            if (((DataSchemaNode) appInfo).isAugmenting()) {
-                augSchema = findCorrespondingAugment(((DataSchemaNode) this.appInfo()),
-                                                     ((DataSchemaNode) appInfo));
-                node = getAugmentationNode(augSchema, this, localName);
-            }
-
-            if (node == null) {
-                node = new LeafListHolderNode(localName, namespace, uri, this,
-                                              appInfo, MULTI_INSTANCE_LEAF_HOLDER_NODE);
-            }
-
-            if (augSchema != null && !isNamespaceAsParent(this, node)) {
-                addToAugmentations(augSchema, this, node);
-            } else {
-                children.put(localName, ((T) node));
-            }
-            node = node.addChild(index, localName, namespace, type, value, valueNs, appInfo);
-        } else if (node instanceof LeafListHolderNode) {
-            LeafNode child = ((LeafNode) ((HolderNode) node).child(index));
-            node = (child != null ? child : node.addChild(index, localName,
-                                                          namespace, type,
-                                                          value, valueNs,
-                                                          appInfo));
-        } else {
-            throw new SvcLogicException("Duplicate node exist with same node");
-        }
-        return node;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/SchemaPathHolder.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/SchemaPathHolder.java
deleted file mode 100644
index 4ef1bc664..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/SchemaPathHolder.java
+++ /dev/null
@@ -1,77 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2019 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
-
-/**
- * Representation of a holder for a proper path and its corresponding schema.
- */
-public class SchemaPathHolder {
-
-    /**
-     * Schema context for the path.
-     */
-    private InstanceIdentifierContext insId;
-
-    /**
-     * Formatted path.
-     */
-    private String uri;
-
-    /**
-     * Constructs schema path holder with path and its schema.
-     *
-     * @param insId instance identifier context
-     * @param uri   path
-     */
-    public SchemaPathHolder(InstanceIdentifierContext insId, String uri) {
-        this.insId = insId;
-        this.uri = uri;
-    }
-
-    /**
-     * Returns the instance identifier context of the path.
-     *
-     * @return schema of the path
-     */
-    public InstanceIdentifierContext getInsId() {
-        return insId;
-    }
-
-    /**
-     * Returns the formatted path.
-     *
-     * @return formatted path
-     */
-    public String getUri() {
-        return uri;
-    }
-
-    /**
-     * Sets the formatted path.
-     *
-     * @param uri formatted path
-     */
-    public void setUri(String uri) {
-        this.uri = uri;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/SingleInstanceNode.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/SingleInstanceNode.java
deleted file mode 100644
index 6eb24c1a4..000000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/SingleInstanceNode.java
+++ /dev/null
@@ -1,33 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.ccsdk.sli.plugins.yangserializers.pnserializer;
-
-/**
- * Representation of single instance node in properties data tree.
- */
-public class SingleInstanceNode extends InnerNode<DataNodeChild> implements DataNodeChild {
-
-    public SingleInstanceNode(String name, Namespace namespace, String uri,
-                              PropertiesNode parent, Object appInfo,
-                              NodeType nodeType) {
-        super(name, namespace, uri, parent, appInfo, nodeType);
-    }
-}
diff --git a/restconf-client/provider/src/main/resources/OSGI-INF/blueprint/restconf-client-blueprint.xml b/restconf-client/provider/src/main/resources/OSGI-INF/blueprint/restconf-client-blueprint.xml
deleted file mode 100755
index 45c335b13..000000000
--- a/restconf-client/provider/src/main/resources/OSGI-INF/blueprint/restconf-client-blueprint.xml
+++ /dev/null
@@ -1,51 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
-  -->
-
-<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0"
-           xmlns:odl="http://opendaylight.org/xmlns/blueprint/v1.0.0"
-           odl:use-default-for-reference-types="true">
-
-    <reference xmlns:ext="http://aries.apache.org/blueprint/xmlns/blueprint-ext/v1.0.0"
-               id="restapiCallNodeProvider"
-               interface="org.onap.ccsdk.sli.plugins.restapicall.RestapiCallNode"
-               ext:proxy-method="classes"/>
-
-    <bean id="restconfapiCallNodeProvider" class="org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiCallNode" >
-        <argument ref="restapiCallNodeProvider"/>
-    </bean>
-
-    <bean id="restconfDiscoveryNodeProvider" class="org.onap.ccsdk.sli.plugins.restconfdiscovery.RestconfDiscoveryNode" >
-        <argument ref="restconfapiCallNodeProvider"/>
-    </bean>
-
-    <service ref="restconfapiCallNodeProvider">
-        <interfaces>
-            <value>org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiCallNode</value>
-        </interfaces>
-    </service>
-
-    <service ref="restconfDiscoveryNodeProvider">
-        <interfaces>
-            <value>org.onap.ccsdk.sli.plugins.restconfdiscovery.RestconfDiscoveryNode</value>
-        </interfaces>
-    </service>
-
-</blueprint>
\ No newline at end of file
diff --git a/restconf-client/provider/src/main/resources/org/opendaylight/blueprint/restconf-client-blueprint.xml b/restconf-client/provider/src/main/resources/org/opendaylight/blueprint/restconf-client-blueprint.xml
deleted file mode 100755
index 45c335b13..000000000
--- a/restconf-client/provider/src/main/resources/org/opendaylight/blueprint/restconf-client-blueprint.xml
+++ /dev/null
@@ -1,51 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
- * ============LICENSE_START=======================================================
- * ONAP - CCSDK
- * ================================================================================
- * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
-  -->
-
-<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0"
-           xmlns:odl="http://opendaylight.org/xmlns/blueprint/v1.0.0"
-           odl:use-default-for-reference-types="true">
-
-    <reference xmlns:ext="http://aries.apache.org/blueprint/xmlns/blueprint-ext/v1.0.0"
-               id="restapiCallNodeProvider"
-               interface="org.onap.ccsdk.sli.plugins.restapicall.RestapiCallNode"
-               ext:proxy-method="classes"/>
-
-    <bean id="restconfapiCallNodeProvider" class="org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiCallNode" >
-        <argument ref="restapiCallNodeProvider"/>
-    </bean>
-
-    <bean id="restconfDiscoveryNodeProvider" class="org.onap.ccsdk.sli.plugins.restconfdiscovery.RestconfDiscoveryNode" >
-        <argument ref="restconfapiCallNodeProvider"/>
-    </bean>
-
-    <service ref="restconfapiCallNodeProvider">
-        <interfaces>
-            <value>org.onap.ccsdk.sli.plugins.restconfapicall.RestconfApiCallNode</value>
-        </interfaces>
-    </service>
-
-    <service ref="restconfDiscoveryNodeProvider">
-        <interfaces>
-            <value>org.onap.ccsdk.sli.plugins.restconfdiscovery.RestconfDiscoveryNode</value>
-        </interfaces>
-    </service>
-
-</blueprint>
\ No newline at end of file