From be3d4606d9627e5dfb461b72140f7be52e1c7776 Mon Sep 17 00:00:00 2001
From: gaurav <gaurav.agrawal@huawei.com>
Date: Wed, 25 Jul 2018 11:33:13 +0530
Subject: Adding additional APIs for YANG serializers

Adding APIs for YANG based properties node serializer

Change-Id: Ic76204e0292fdbaede4ff47f4ddda91dcfa3b764
Issue-ID: CCSDK-377
Signed-off-by: Gaurav Agrawal <gaurav.agrawal@huawei.com>
---
 .../sli/plugins/yangserializers/Annotation.java    |  59 ----------
 .../sli/plugins/yangserializers/DataFormat.java    |  29 -----
 .../yangserializers/DataFormatSerializer.java      |  82 --------------
 .../DataFormatSerializerContext.java               |  74 ------------
 .../plugins/yangserializers/JsonSerializer.java    |  49 --------
 .../sli/plugins/yangserializers/Listener.java      |  34 ------
 .../yangserializers/MdsalSerializerHelper.java     |  67 -----------
 .../sli/plugins/yangserializers/NodeType.java      |  31 ------
 .../plugins/yangserializers/SerializerHelper.java  |  93 ----------------
 .../sli/plugins/yangserializers/XmlSerializer.java |  49 --------
 .../yangserializers/dfserializer/Annotation.java   |  59 ++++++++++
 .../yangserializers/dfserializer/DataFormat.java   |  29 +++++
 .../dfserializer/DataFormatSerializer.java         |  82 ++++++++++++++
 .../dfserializer/DataFormatSerializerContext.java  |  74 ++++++++++++
 .../dfserializer/JsonSerializer.java               |  49 ++++++++
 .../yangserializers/dfserializer/Listener.java     |  34 ++++++
 .../dfserializer/MdsalSerializerHelper.java        |  67 +++++++++++
 .../yangserializers/dfserializer/NodeType.java     |  31 ++++++
 .../dfserializer/SerializerHelper.java             |  93 ++++++++++++++++
 .../dfserializer/XmlSerializer.java                |  49 ++++++++
 .../MdsalPropertiesNodeSerializer.java             |  59 ++++++++++
 .../yangserializers/pnserializer/NodeType.java     |  33 ++++++
 .../pnserializer/PropertiesNode.java               | 124 +++++++++++++++++++++
 .../pnserializer/PropertiesNodeSerializer.java     | 108 ++++++++++++++++++
 24 files changed, 891 insertions(+), 567 deletions(-)
 delete mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/Annotation.java
 delete mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/DataFormat.java
 delete mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/DataFormatSerializer.java
 delete mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/DataFormatSerializerContext.java
 delete mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/JsonSerializer.java
 delete mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/Listener.java
 delete mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/MdsalSerializerHelper.java
 delete mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/NodeType.java
 delete mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/SerializerHelper.java
 delete mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/XmlSerializer.java
 create mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/Annotation.java
 create mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormat.java
 create mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormatSerializer.java
 create mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormatSerializerContext.java
 create mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonSerializer.java
 create mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/Listener.java
 create mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/MdsalSerializerHelper.java
 create mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/NodeType.java
 create mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/SerializerHelper.java
 create mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlSerializer.java
 create mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MdsalPropertiesNodeSerializer.java
 create mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/NodeType.java
 create mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNode.java
 create mode 100644 restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeSerializer.java

(limited to 'restconf-client/provider/src')

diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/Annotation.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/Annotation.java
deleted file mode 100644
index 13f1c323..00000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/Annotation.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;
-
-/**
- * Representation of an entity that represents annotated attribute.
- */
-public class Annotation {
-
-    private String name;
-    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/DataFormat.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/DataFormat.java
deleted file mode 100644
index 0d1928b3..00000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/DataFormat.java
+++ /dev/null
@@ -1,29 +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;
-
-/**
- * Representation of data format.
- */
-public enum DataFormat {
-    XML,
-    JSON
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/DataFormatSerializer.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/DataFormatSerializer.java
deleted file mode 100644
index bcd5991d..00000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/DataFormatSerializer.java
+++ /dev/null
@@ -1,82 +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;
-
-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 {
-
-    private DataFormat dataFormat;
-    private DataFormatSerializerContext serializerContext;
-
-    /**
-     * Creates an instance of data format serializer.
-     *
-     * @param dataFormat type of data format
-     * @param serializerContext data format serializer context
-     */
-    protected DataFormatSerializer(DataFormat dataFormat,
-        DataFormatSerializerContext serializerContext) {
-        this.dataFormat = dataFormat;
-        this.serializerContext = serializerContext;
-    }
-
-    /**
-     * Encodes context memory parameters to data format.
-     *
-     * @param param context memory parameter
-     * @param annotations annotations
-     * @return data format body
-     */
-    public abstract String encode(Map<String, String> param,
-        Map<String, List<Annotation>> annotations);
-
-    /**
-     * Decodes data format body to context memory parameters.
-     *
-     * @param dataFormatBody abstract node
-     * @return context memory parameters
-     */
-    public abstract Map<String, String> decode(String dataFormatBody);
-
-    /**
-     * 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/DataFormatSerializerContext.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/DataFormatSerializerContext.java
deleted file mode 100644
index 50cb2daf..00000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/DataFormatSerializerContext.java
+++ /dev/null
@@ -1,74 +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;
-
-import java.util.Map;
-
-/**
- * Abstraction of data format serializer context.
- */
-public class DataFormatSerializerContext {
-
-    private Listener listener;
-    private String uri;
-    private Map<String, String> protocolAnnotation;
-
-    /**
-     * Creates an instance of data format serializer context.
-     *
-     * @param listener data format listener
-     * @param uri URI corresponding to instance identifier
-     * @param protocolAnnotation protocol annotations
-     */
-    public DataFormatSerializerContext(Listener listener, String uri,
-        Map<String, String> protocolAnnotation) {
-        this.listener = listener;
-        this.uri = uri;
-        this.protocolAnnotation = protocolAnnotation;
-    }
-
-    /**
-     * Retruns data format listener.
-     *
-     * @return data format listener
-     */
-    public Listener listener() {
-        return listener;
-    }
-
-    /**
-     * Returns URI.
-     *
-     * @return URI
-     */
-    public String uri() {
-        return uri;
-    }
-
-    /**
-     * Returns protocol annotations.
-     *
-     * @return protocol annotations
-     */
-    public Map<String, String> getProtocolAnnotation() {
-        return protocolAnnotation;
-    }
-}
\ No newline at end of file
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/JsonSerializer.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/JsonSerializer.java
deleted file mode 100644
index 072cfb09..00000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/JsonSerializer.java
+++ /dev/null
@@ -1,49 +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;
-
-import java.util.List;
-import java.util.Map;
-
-/**
- * Representation of JSON serializer.
- */
-public class JsonSerializer extends DataFormatSerializer {
-
-    /**
-     * Creates an instance of data format serializer.
-     *
-     * @param serializerContext data format serializer context
-     */
-    protected JsonSerializer(DataFormatSerializerContext serializerContext) {
-        super(DataFormat.JSON, serializerContext);
-    }
-
-    @Override
-    public String encode(Map<String, String> param, Map<String, List<Annotation>> annotations) {
-        return null;
-    }
-
-    @Override
-    public Map<String, String> decode(String dataFormatBody) {
-        return null;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/Listener.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/Listener.java
deleted file mode 100644
index a0976822..00000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/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;
-
-/**
- * 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/MdsalSerializerHelper.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/MdsalSerializerHelper.java
deleted file mode 100644
index c9bda511..00000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/MdsalSerializerHelper.java
+++ /dev/null
@@ -1,67 +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;
-
-import java.util.Map;
-import org.opendaylight.yangtools.yang.model.api.SchemaNode;
-
-/**
- * Representation of MDSAL based schema helper.
- */
-public class MdsalSerializerHelper extends SerializerHelper<SchemaNode> {
-
-    protected MdsalSerializerHelper(SchemaNode node, String uri) {
-        super(node, uri);
-    }
-
-    @Override
-    public SchemaNode getRootContext() {
-        return null;
-    }
-
-    @Override
-    public SchemaNode getCurContext() {
-        return null;
-    }
-
-    @Override
-    public SchemaNode getChildContext(SchemaNode schemaNode, String name, String namespace) {
-        return null;
-    }
-
-    @Override
-    public NodeType getNodeType(SchemaNode schemaNode) {
-        return null;
-    }
-
-    @Override
-    public void addNode(String name, String namespace, String value, String valNamespace, NodeType type) {
-    }
-
-    @Override
-    public void exitNode() {
-    }
-
-    @Override
-    public Map<String, String> getProperties() {
-        return null;
-    }
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/NodeType.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/NodeType.java
deleted file mode 100644
index 5a63d632..00000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/NodeType.java
+++ /dev/null
@@ -1,31 +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;
-
-/**
- * Representation of type of data node.
- */
-public enum NodeType {
-    SINGLE_INSTANCE,
-    MULTI_INSTANCE,
-    SINGLE_INSTANCE_LEAF,
-    MULTI_INSTANCE_LEAF
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/SerializerHelper.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/SerializerHelper.java
deleted file mode 100644
index a4bbce52..00000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/SerializerHelper.java
+++ /dev/null
@@ -1,93 +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;
-
-import java.util.Map;
-
-/**
- * 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
- */
-public abstract class SerializerHelper<T> {
-
-    private T rootSchema;
-    private String rootURI;
-
-    protected SerializerHelper(T t, String uri) {
-        rootSchema = t;
-    }
-
-    /**
-     * Returns root schema context node.
-     *
-     * @return root schema context node
-     */
-    protected abstract T getRootContext();
-
-    /**
-     * Returns current schema context node.
-     *
-     * @return current schema context node
-     */
-    protected abstract T getCurContext();
-
-    /**
-     * Returns child schema context node.
-     *
-     * @return child schema context node
-     */
-    protected abstract T getChildContext(T t, String name, String namespace);
-
-    /**
-     * Returns type of node
-     * @param t node
-     * @return node type
-     */
-    protected abstract NodeType getNodeType(T t);
-
-    /**
-     * Adds a node to current tree.
-     *
-     * @param name name of node
-     * @param namespace namespace of node, it can be either module name or
-     * namespace, null indicates parent namespace
-     * @param value value of node, in case it's 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
-     */
-    protected abstract void addNode(String name, String namespace, String value,
-        String valNamespace, NodeType type);
-
-    /**
-     * Exits the node, in case if it's leaf node add to properties map.
-     */
-    protected abstract void exitNode();
-
-    /**
-     * Returns the properties built corresponding to data.
-     *
-     * @return properties map
-     */
-    protected abstract Map<String, String> getProperties();
-}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/XmlSerializer.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/XmlSerializer.java
deleted file mode 100644
index ba5d8ed2..00000000
--- a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/XmlSerializer.java
+++ /dev/null
@@ -1,49 +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;
-
-import java.util.List;
-import java.util.Map;
-
-/**
- * Representation of XML serializer.
- */
-public class XmlSerializer extends DataFormatSerializer {
-
-    /**
-     * Creates an instance of XML serializer.
-     *
-     * @param serializerContext data format serializer context
-     */
-    protected XmlSerializer(DataFormatSerializerContext serializerContext) {
-        super(DataFormat.XML, serializerContext);
-    }
-
-    @Override
-    public String encode(Map<String, String> param, Map<String, List<Annotation>> annotations) {
-        return null;
-    }
-
-    @Override
-    public Map<String, String> decode(String dataFormatBody) {
-        return null;
-    }
-}
\ No newline at end of file
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
new file mode 100644
index 00000000..7271c3d7
--- /dev/null
+++ b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/Annotation.java
@@ -0,0 +1,59 @@
+/*-
+ * ============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 {
+
+    private String name;
+    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
new file mode 100644
index 00000000..6fb11e70
--- /dev/null
+++ b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormat.java
@@ -0,0 +1,29 @@
+/*-
+ * ============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,
+    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
new file mode 100644
index 00000000..e703b173
--- /dev/null
+++ b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormatSerializer.java
@@ -0,0 +1,82 @@
+/*-
+ * ============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 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 {
+
+    private DataFormat dataFormat;
+    private DataFormatSerializerContext serializerContext;
+
+    /**
+     * Creates an instance of data format serializer.
+     *
+     * @param dataFormat type of data format
+     * @param serializerContext data format serializer context
+     */
+    protected DataFormatSerializer(DataFormat dataFormat,
+        DataFormatSerializerContext serializerContext) {
+        this.dataFormat = dataFormat;
+        this.serializerContext = serializerContext;
+    }
+
+    /**
+     * Encodes context memory parameters to data format.
+     *
+     * @param param context memory parameter
+     * @param annotations annotations
+     * @return data format body
+     */
+    public abstract String encode(Map<String, String> param,
+        Map<String, List<Annotation>> annotations);
+
+    /**
+     * Decodes data format body to context memory parameters.
+     *
+     * @param dataFormatBody abstract node
+     * @return context memory parameters
+     */
+    public abstract Map<String, String> decode(String dataFormatBody);
+
+    /**
+     * 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
new file mode 100644
index 00000000..e2ead53f
--- /dev/null
+++ b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/DataFormatSerializerContext.java
@@ -0,0 +1,74 @@
+/*-
+ * ============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 java.util.Map;
+
+/**
+ * Abstraction of data format serializer context.
+ */
+public class DataFormatSerializerContext {
+
+    private Listener listener;
+    private String uri;
+    private Map<String, String> protocolAnnotation;
+
+    /**
+     * Creates an instance of data format serializer context.
+     *
+     * @param listener data format listener
+     * @param uri URI corresponding to instance identifier
+     * @param protocolAnnotation protocol annotations
+     */
+    public DataFormatSerializerContext(Listener listener, String uri,
+        Map<String, String> protocolAnnotation) {
+        this.listener = listener;
+        this.uri = uri;
+        this.protocolAnnotation = protocolAnnotation;
+    }
+
+    /**
+     * Retruns data format listener.
+     *
+     * @return data format listener
+     */
+    public Listener listener() {
+        return listener;
+    }
+
+    /**
+     * Returns URI.
+     *
+     * @return URI
+     */
+    public String uri() {
+        return uri;
+    }
+
+    /**
+     * Returns protocol annotations.
+     *
+     * @return protocol annotations
+     */
+    public Map<String, String> getProtocolAnnotation() {
+        return protocolAnnotation;
+    }
+}
\ No newline at end of file
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
new file mode 100644
index 00000000..6013664c
--- /dev/null
+++ b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/JsonSerializer.java
@@ -0,0 +1,49 @@
+/*-
+ * ============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 java.util.List;
+import java.util.Map;
+
+/**
+ * Representation of JSON serializer.
+ */
+public class JsonSerializer extends DataFormatSerializer {
+
+    /**
+     * Creates an instance of data format serializer.
+     *
+     * @param serializerContext data format serializer context
+     */
+    protected JsonSerializer(DataFormatSerializerContext serializerContext) {
+        super(DataFormat.JSON, serializerContext);
+    }
+
+    @Override
+    public String encode(Map<String, String> param, Map<String, List<Annotation>> annotations) {
+        return null;
+    }
+
+    @Override
+    public Map<String, String> decode(String dataFormatBody) {
+        return null;
+    }
+}
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
new file mode 100644
index 00000000..e5812dbb
--- /dev/null
+++ b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/Listener.java
@@ -0,0 +1,34 @@
+/*-
+ * ============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
new file mode 100644
index 00000000..311fc2d6
--- /dev/null
+++ b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/MdsalSerializerHelper.java
@@ -0,0 +1,67 @@
+/*-
+ * ============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 java.util.Map;
+import org.opendaylight.yangtools.yang.model.api.SchemaNode;
+
+/**
+ * Representation of MDSAL based schema helper.
+ */
+public class MdsalSerializerHelper extends SerializerHelper<SchemaNode> {
+
+    protected MdsalSerializerHelper(SchemaNode node, String uri) {
+        super(node, uri);
+    }
+
+    @Override
+    public SchemaNode getRootContext() {
+        return null;
+    }
+
+    @Override
+    public SchemaNode getCurContext() {
+        return null;
+    }
+
+    @Override
+    public SchemaNode getChildContext(SchemaNode schemaNode, String name, String namespace) {
+        return null;
+    }
+
+    @Override
+    public NodeType getNodeType(SchemaNode schemaNode) {
+        return null;
+    }
+
+    @Override
+    public void addNode(String name, String namespace, String value, String valNamespace, NodeType type) {
+    }
+
+    @Override
+    public void exitNode() {
+    }
+
+    @Override
+    public Map<String, String> getProperties() {
+        return null;
+    }
+}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/NodeType.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/NodeType.java
new file mode 100644
index 00000000..ffa35e2b
--- /dev/null
+++ b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/NodeType.java
@@ -0,0 +1,31 @@
+/*-
+ * ============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 type of data node.
+ */
+public enum NodeType {
+    SINGLE_INSTANCE,
+    MULTI_INSTANCE,
+    SINGLE_INSTANCE_LEAF,
+    MULTI_INSTANCE_LEAF
+}
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
new file mode 100644
index 00000000..4e6d2944
--- /dev/null
+++ b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/SerializerHelper.java
@@ -0,0 +1,93 @@
+/*-
+ * ============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 java.util.Map;
+
+/**
+ * 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
+ */
+public abstract class SerializerHelper<T> {
+
+    private T rootSchema;
+    private String rootURI;
+
+    protected SerializerHelper(T t, String uri) {
+        rootSchema = t;
+    }
+
+    /**
+     * Returns root schema context node.
+     *
+     * @return root schema context node
+     */
+    protected abstract T getRootContext();
+
+    /**
+     * Returns current schema context node.
+     *
+     * @return current schema context node
+     */
+    protected abstract T getCurContext();
+
+    /**
+     * Returns child schema context node.
+     *
+     * @return child schema context node
+     */
+    protected abstract T getChildContext(T t, String name, String namespace);
+
+    /**
+     * Returns type of node
+     * @param t node
+     * @return node type
+     */
+    protected abstract NodeType getNodeType(T t);
+
+    /**
+     * Adds a node to current tree.
+     *
+     * @param name name of node
+     * @param namespace namespace of node, it can be either module name or
+     * namespace, null indicates parent namespace
+     * @param value value of node, in case it's 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
+     */
+    protected abstract void addNode(String name, String namespace, String value,
+        String valNamespace, NodeType type);
+
+    /**
+     * Exits the node, in case if it's leaf node add to properties map.
+     */
+    protected abstract void exitNode();
+
+    /**
+     * Returns the properties built corresponding to data.
+     *
+     * @return properties map
+     */
+    protected abstract Map<String, String> getProperties();
+}
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
new file mode 100644
index 00000000..0cfb4d17
--- /dev/null
+++ b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/dfserializer/XmlSerializer.java
@@ -0,0 +1,49 @@
+/*-
+ * ============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 java.util.List;
+import java.util.Map;
+
+/**
+ * Representation of XML serializer.
+ */
+public class XmlSerializer extends DataFormatSerializer {
+
+    /**
+     * Creates an instance of XML serializer.
+     *
+     * @param serializerContext data format serializer context
+     */
+    protected XmlSerializer(DataFormatSerializerContext serializerContext) {
+        super(DataFormat.XML, serializerContext);
+    }
+
+    @Override
+    public String encode(Map<String, String> param, Map<String, List<Annotation>> annotations) {
+        return null;
+    }
+
+    @Override
+    public Map<String, String> decode(String dataFormatBody) {
+        return null;
+    }
+}
\ No newline at end of file
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
new file mode 100644
index 00000000..67e9c1e5
--- /dev/null
+++ b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/MdsalPropertiesNodeSerializer.java
@@ -0,0 +1,59 @@
+/*-
+ * ============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.Map;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.api.SchemaNode;
+import org.slf4j.Logger;
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Representation of mdsal based properties node serializer implementation.
+ */
+public class MdsalPropertiesNodeSerializer extends PropertiesNodeSerializer<SchemaNode, SchemaContext> {
+
+    private SchemaNode curSchema;
+    private PropertiesNode node;
+    private static final Logger LOG = getLogger(MdsalPropertiesNodeSerializer.class);
+
+    /**
+     * 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) {
+        return null;
+    }
+
+    @Override
+    public Map<String, String> decode(PropertiesNode propertiesNode) {
+        return null;
+    }
+
+}
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
new file mode 100644
index 00000000..94f2915a
--- /dev/null
+++ b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/NodeType.java
@@ -0,0 +1,33 @@
+/*-
+ * ============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
+}
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
new file mode 100644
index 00000000..fccfa6a9
--- /dev/null
+++ b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNode.java
@@ -0,0 +1,124 @@
+/*-
+ * ============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 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 faormat
+ * serializers.
+ */
+public abstract class PropertiesNode {
+
+    private String name;
+    private String namespace;
+    private String uri;
+    private PropertiesNode parent;
+
+    /**
+     * Creates an instance of properties node.
+     */
+    protected PropertiesNode() {
+    }
+
+    /**
+     * 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
+     */
+    protected PropertiesNode(String name, String namespace, String uri, PropertiesNode parent) {
+        this.name = name;
+        this.namespace = namespace;
+        this.uri = uri;
+        this.parent = parent;
+    }
+
+    /**
+     * 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
+     * @return added properties node
+     */
+    public abstract PropertiesNode addChild(String name, String namespace, NodeType type);
+
+    /**
+     * 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
+     * @return added properties node
+     */
+    public abstract PropertiesNode addChild(String name, String namespace, NodeType type, String value);
+
+    /**
+     * 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
+     * @return added properties node
+     */
+    public abstract PropertiesNode addChild(String index, String name, String namespace, NodeType type);
+
+    public void name(String name) {
+        this.name = name;
+    }
+
+    public void namespace(String namespace) {
+        this.namespace = namespace;
+    }
+
+    public void uri(String uri) {
+        this.uri = uri;
+    }
+
+    public void parent(PropertiesNode parent) {
+        this.parent = parent;
+    }
+
+    public PropertiesNode parent() {
+        return parent;
+    }
+
+    public String name() {
+        return name;
+    }
+
+    public String namespace() {
+        return namespace;
+    }
+
+    public String uri() {
+        return uri;
+    }
+
+}
+
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
new file mode 100644
index 00000000..81609a6d
--- /dev/null
+++ b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/yangserializers/pnserializer/PropertiesNodeSerializer.java
@@ -0,0 +1,108 @@
+/*-
+ * ============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.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
+     * @return properties node
+     */
+    public abstract PropertiesNode encode(Map<String, String> paramMap);
+
+    /**
+     * Decodes from properties-node to properties map.
+     *
+     * @param propertiesNode properties-node
+     * @return parameter map
+     */
+    public abstract Map<String, String> decode(PropertiesNode propertiesNode);
+
+    /**
+     * Returns the schema node of the property
+     *
+     * @return schema node
+     */
+    public T getSchemaNode(){
+        return schemaNode;
+    }
+
+    /**
+     * Returns the schema context
+     *
+     * @return schema node
+     */
+    public P getSchemaCtx() {
+        return schemaCtx;
+    }
+
+    /**
+     * Returns the URI.
+     *
+     * @return uri
+     */
+    public String getUri() {
+        return uri;
+    }
+}
-- 
cgit