source out odl mapper

put odl mapper code into seperate bundle

Issue-ID: CCSDK-3254
Signed-off-by: Michael DÜrre <michael.duerre@highstreet-technologies.com>
Change-Id: I3debef0be8e44e7c68c95a6d06b7e50813bbea43

27 files changed, 571 insertions, 1241 deletions

diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/data/HtUserdataManagerImpl.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/data/HtUserdataManagerImpl.java
new file mode 100644
index 000000000..73cc1a212
--- /dev/null
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/data/HtUserdataManagerImpl.java
@@ -0,0 +1,150 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * 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.features.sdnr.wt.dataprovider.data;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.onap.ccsdk.features.sdnr.wt.common.database.HtDatabaseClient;
+import org.onap.ccsdk.features.sdnr.wt.common.database.SearchHit;
+import org.onap.ccsdk.features.sdnr.wt.common.database.SearchResult;
+import org.onap.ccsdk.features.sdnr.wt.common.database.queries.QueryBuilders;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.HtUserdataManager;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.Entity;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class HtUserdataManagerImpl implements HtUserdataManager {
+
+    private static final Logger LOG = LoggerFactory.getLogger(HtUserdataManagerImpl.class);
+
+    private static final String USERDATA_DEFAULTS_FILENAME = "etc/userdata-defaults.json";
+    private static final JSONObject USERDATA_DEFAULTS_CONTENT = loadDefaults();
+
+    private static JSONObject loadDefaults() {
+        File f = new File(USERDATA_DEFAULTS_FILENAME);
+        String content;
+        JSONObject o = null;
+        if (f.exists()) {
+            try {
+                content = Files.readString(f.toPath());
+                o = new JSONObject(content);
+            } catch (IOException e) {
+                LOG.warn("problem loading defaults: ", e);
+            } catch (JSONException e) {
+                LOG.warn("problem parsing defaults: ", e);
+            }
+        }
+        return o;
+    }
+
+
+    private final HtDatabaseClient dbClient;
+
+    public HtUserdataManagerImpl(HtDatabaseClient rawClient) {
+        this.dbClient = rawClient;
+    }
+
+    @Override
+    public String getUserdata(String username) {
+        SearchResult<SearchHit> result = this.dbClient.doReadByQueryJsonData(Entity.Userdata.getName(),
+                QueryBuilders.matchQuery("_id", username));
+        String json = result.getHits().size() > 0 ? result.getHits().get(0).getSourceAsString() : "{}";
+        if (USERDATA_DEFAULTS_CONTENT != null) {
+            JSONObject merge = mergeData(new JSONObject(json), USERDATA_DEFAULTS_CONTENT);
+            json = merge.toString();
+        }
+        return json;
+    }
+
+    @Override
+    public String getUserdata(String username, String key) {
+        JSONObject o = new JSONObject(this.getUserdata(username));
+        return o.has(key) ? o.get(key).toString() : "{}";
+    }
+
+    @Override
+    public boolean setUserdata(String username, String data) {
+        JSONObject o = new JSONObject(this.getUserdata(username));
+        JSONObject merge = mergeData(o, new JSONObject(data));
+        return this.dbClient.doWriteRaw(Entity.Userdata.getName(), username, merge.toString()) != null;
+    }
+
+    @Override
+    public boolean setUserdata(String username, String key, String data) {
+        JSONObject o = new JSONObject(this.getUserdata(username));
+        o = mergeData(o, key, new JSONObject(data));
+        return this.dbClient.doWriteRaw(Entity.Userdata.getName(), username, o.toString()) != null;
+    }
+
+    @Override
+    public boolean removeUserdata(String username) {
+        return this.dbClient.doRemove(Entity.Userdata.getName(), username);
+    }
+
+    @Override
+    public boolean removeUserdata(String username, String key) {
+        JSONObject o = new JSONObject(this.getUserdata(username));
+        if (o.has(key)) {
+            o.remove(key);
+            return this.setUserdata(username, o.toString());
+        }
+        return true;
+    }
+
+    private static JSONObject mergeData(JSONObject o, String key, JSONObject subObject) {
+        if (!o.has(key)) {
+            o.put(key, subObject);
+        } else {
+            JSONObject tmp = new JSONObject();
+            tmp.put(key, subObject);
+            o = mergeData(tmp, o);
+        }
+        return o;
+    }
+
+    private static JSONObject mergeData(JSONObject source, JSONObject target) throws JSONException {
+        String[] keys = JSONObject.getNames(source);
+        if (keys == null) {
+            return target;
+        }
+        for (String key : keys) {
+            Object value = source.get(key);
+            if (!target.has(key)) {
+                // new value for "key":
+                target.put(key, value);
+            } else {
+                // existing value for "key" - recursively deep merge:
+                if (value instanceof JSONObject) {
+                    JSONObject valueJson = (JSONObject) value;
+                    mergeData(valueJson, target.getJSONObject(key));
+                } else {
+                    target.put(key, value);
+                }
+            }
+        }
+        return target;
+    }
+
+}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/data/entity/HtDatabaseEventsService.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/data/entity/HtDatabaseEventsService.java
index f6cd7491a..f680edddf 100644
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/data/entity/HtDatabaseEventsService.java
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/data/entity/HtDatabaseEventsService.java
@@ -24,7 +24,10 @@ package org.onap.ccsdk.features.sdnr.wt.dataprovider.data.entity;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Date;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
+import java.util.Optional;
 import javax.annotation.Nonnull;
 import org.eclipse.jdt.annotation.NonNull;
 import org.eclipse.jdt.annotation.Nullable;
@@ -36,6 +39,7 @@ import org.onap.ccsdk.features.sdnr.wt.common.database.queries.RangeQueryBuilder
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.data.ElasticSearchDataProvider;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.database.EsDataObjectReaderWriter2;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.ArchiveCleanProvider;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.DataInconsistencyException;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.DataProvider;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.NetconfTimeStamp;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.types.NetconfTimeStampImpl;
@@ -62,6 +66,7 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.pro
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.PmdataEntity;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.PmdataEntityBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateNetworkElementConnectionInputBuilder;
+import org.opendaylight.yangtools.yang.common.Uint32;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -120,8 +125,8 @@ public class HtDatabaseEventsService implements ArchiveCleanProvider, DataProvid
                     NetworkElementConnectionEntity.class, NetworkElementConnectionBuilder.class, true)
                             .setEsIdAttributeName("_id");
 
-            guiCutThroughDB = new EsDataObjectReaderWriter2<>(client, Entity.Guicutthrough,
-                    GuicutthroughEntity.class, GuicutthroughBuilder.class);
+            guiCutThroughDB = new EsDataObjectReaderWriter2<>(client, Entity.Guicutthrough, GuicutthroughEntity.class,
+                    GuicutthroughBuilder.class);
 
             pmData15mDB = new EsDataObjectReaderWriter2<>(client, Entity.Historicalperformance15min, PmdataEntity.class,
                     PmdataEntityBuilder.class);
@@ -259,22 +264,109 @@ public class HtDatabaseEventsService implements ArchiveCleanProvider, DataProvid
      *
      * @param internalEquipment with mandatory fields.
      */
+
     @Override
     public void writeInventory(Inventory internalEquipment) {
 
-        if (assertIfClientNullForNodeName(internalEquipment.getNodeId())) {
-            return;
-        }
         if (internalEquipment.getManufacturerIdentifier() == null) {
             internalEquipment = new InventoryBuilder(internalEquipment).setManufacturerIdentifier("").build();
         }
         if (internalEquipment.getDate() == null) {
             internalEquipment = new InventoryBuilder(internalEquipment).setDate("").build();
         }
-
         eventRWEquipment.write(internalEquipment, internalEquipment.getNodeId() + "/" + internalEquipment.getUuid());
     }
 
+    /**
+     * write internal equipment to database
+     *
+     * @param nodeId
+     * @param list
+     */
+    @Override
+    public void writeInventory(String nodeId, List<Inventory> list) {
+
+        try {
+            checkConsistency(nodeId, list);
+        } catch (DataInconsistencyException e) {
+            LOG.warn("inventory list for node {} is not consistent", nodeId, e);
+            list = e.getRepairedList();
+        }
+
+        for (Inventory internalEquipment : list) {
+            this.writeInventory(internalEquipment);
+        }
+    }
+
+    private static void checkConsistency(String nodeId, List<Inventory> list) throws DataInconsistencyException {
+        final String UNBOUND_INVENTORY_UUID = "unbound";
+        List<String> failures = new ArrayList<>();
+        long treeLevel;
+        int failCounter = 0;
+        Map<String, Inventory> repairList = new HashMap<>();
+        InventoryBuilder repairedItem;
+        InventoryBuilder unboundItem = new InventoryBuilder().setNodeId(nodeId).setUuid(UNBOUND_INVENTORY_UUID)
+                .setTreeLevel(Uint32.valueOf(0));;
+        for (Inventory item : list) {
+            repairedItem = new InventoryBuilder(item);
+            //check missing tree-level
+            if (!nodeId.equals(item.getNodeId())) {
+                failures.add(String.format("missing node-id for equipment(uuid=%s)", item.getUuid()));
+                repairedItem.setNodeId(nodeId);
+                failCounter++;
+            }
+            if (item.getTreeLevel() == null) {
+                failures.add(String.format("missing tree-level for equipment(uuid=%s)", item.getUuid()));
+                repairedItem.setTreeLevel(Uint32.valueOf(1));
+                failCounter++;
+
+            } else {
+                treeLevel = item.getTreeLevel().longValue();
+                if (treeLevel > 0) {
+                    //check non root elem and missing parent
+                    if (item.getParentUuid() == null) {
+                        failures.add(String.format("Non root level element (uuid=%s) has to have a parent element",
+                                item.getUuid()));
+                        failCounter++;
+                        repairedItem.setParentUuid(UNBOUND_INVENTORY_UUID);
+                        repairList.put(unboundItem.getUuid(), unboundItem.build());
+                    }
+                    //check that parent exists in list and is tree-level -1
+                    else {
+                        Optional<Inventory> parent =
+                                list.stream().filter(e -> item.getParentUuid().equals(e.getUuid())).findFirst();
+                        if (parent.isEmpty()) {
+                            failures.add(String.format("no parent found for uuid=%s with parent-uuid=%s",
+                                    item.getUuid(), item.getParentUuid()));
+                            repairedItem.setParentUuid(UNBOUND_INVENTORY_UUID);
+                            failCounter++;
+                        }
+                    }
+                }
+                //check for duplicated uui
+                Optional<Inventory> duplicate = list
+                        .stream().filter(e -> !item.equals(e) && item.getUuid() != null
+                                && item.getUuid().equals(e.getUuid()) && repairList.containsKey(e.getUuid()))
+                        .findFirst();
+                if (duplicate.isPresent()) {
+                    failures.add(String.format("found duplicate uuid=%s", item.getUuid()));
+                    failCounter++;
+                    continue;
+
+                }
+                if (failCounter > 0) {
+                    repairList.put(repairedItem.getUuid(), repairedItem.build());
+                } else {
+                    repairList.put(item.getUuid(), item);
+                }
+            }
+        }
+
+        if (failures.size() > 0) {
+            throw new DataInconsistencyException(new ArrayList<>(repairList.values()),
+                    "inventory list is not consistent;\n" + String.join("\n", failures));
+        }
+    }
 
     // -- Networkelement
 
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/data/rpctypehelper/QueryByFilter.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/data/rpctypehelper/QueryByFilter.java
index 09e48197a..627d125ae 100644
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/data/rpctypehelper/QueryByFilter.java
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/data/rpctypehelper/QueryByFilter.java
@@ -33,7 +33,6 @@ import org.onap.ccsdk.features.sdnr.wt.common.database.data.DbFilter;
 import org.onap.ccsdk.features.sdnr.wt.common.database.queries.BoolQueryBuilder;
 import org.onap.ccsdk.features.sdnr.wt.common.database.queries.QueryBuilder;
 import org.onap.ccsdk.features.sdnr.wt.common.database.queries.QueryBuilders;
-import org.onap.ccsdk.features.sdnr.wt.common.database.queries.RangeQueryBuilder;
 import org.onap.ccsdk.features.sdnr.wt.common.database.requests.SearchRequest;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.data.acessor.DataObjectAcessorPm;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.NetconfTimeStamp;
@@ -76,11 +75,13 @@ public class QueryByFilter {
             @Nullable
             Pagination pagination = input.getPagination();
             if (pagination != null) {
-                @Nullable Uint64 pageOrNull = YangHelper2.getUint64(pagination.getPage());
+                @Nullable
+                Uint64 pageOrNull = YangHelper2.getUint64(pagination.getPage());
                 if (pageOrNull != null) {
                     page = pageOrNull.longValue();
                 }
-                @Nullable Uint32 pageSizeOrNull = YangHelper2.getUint32(pagination.getSize());
+                @Nullable
+                Uint32 pageSizeOrNull = YangHelper2.getUint32(pagination.getSize());
                 if (pageSizeOrNull != null) {
                     pageSize = pageSizeOrNull.longValue();
                 }
@@ -239,7 +240,7 @@ public class QueryByFilter {
         if (dt == null) {
             return null;
         }
-        //        property.substring(0,idx)+REPLACE.substring(idx+1);
+        // property.substring(0,idx)+REPLACE.substring(idx+1);
         Calendar c = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
         c.setTime(dt);
         int tmpvalue;
@@ -348,70 +349,54 @@ public class QueryByFilter {
 
     }
 
+    private static List<String> collectValues(Filter filter) {
+        List<String> values = new ArrayList<String>();
+        if (filter.getFiltervalue() != null) {
+            values.add(filter.getFiltervalue());
+        }
+        if (filter.getFiltervalues() != null) {
+            values.addAll(filter.getFiltervalues());
+        }
+        return values;
+    }
+
     private static QueryBuilder fromFilter(@Nullable List<Filter> filters, String prefix) {
         if (filters == null || filters.size() == 0) {
             return QueryBuilders.matchAllQuery();
 
         } else if (filters.size() == 1) {
-            QueryBuilder query;
-            String p = filters.get(0).getProperty();
-            String v = filters.get(0).getFiltervalue();
-            if ("id".equals(p)) {
-                p = "_id";
-            } else {
-                //    v=v.toLowerCase();
+            String property = filters.get(0).getProperty();
+            List<String> values = collectValues(filters.get(0));
+            if ("id".equals(property)) {
+                property = "_id";
             }
-            if (DbFilter.hasSearchParams(v)) {
-                if (p != null && timestampValueNames.contains(p.toLowerCase())) {
-                    query = fromTimestampSearchFilter(p, v);
-                    if (query != null) {
-                        return query;
-                    }
+            if (values.size() == 1) {
+                return getSinglePropertyQuery(property, values.get(0), prefix);
+            } else {
+                BoolQueryBuilder bquery = new BoolQueryBuilder();
+                for (String v : values) {
+                    bquery.should(getSinglePropertyQuery(property, v, prefix));
                 }
-                return QueryBuilders.regex(p, DbFilter.createDatabaseRegex(v));
+                return bquery;
 
-
-            } else if (DbFilter.isComparisonValid(v)) {
-                RangeQueryBuilder q = DbFilter.getRangeQuery(handlePrefix(prefix, p), v);
-                if (q != null) {
-                    return q;
-                } else {
-                    return QueryBuilders.matchQuery(handlePrefix(prefix, p), v);
-                }
-            } else {
-                return QueryBuilders.matchQuery(handlePrefix(prefix, p), v);
             }
         } else {
             BoolQueryBuilder query = new BoolQueryBuilder();
-            QueryBuilder tmpQuery;
             for (Filter fi : filters) {
                 String p = fi.getProperty();
-                String v = fi.getFiltervalue();
+                List<String> values = collectValues(fi);
                 if ("id".equals(p)) {
                     p = "_id";
-                } else {
-                    //    v=v.toLowerCase();
                 }
-                if (DbFilter.hasSearchParams(v)) {
-                    if (p != null && timestampValueNames.contains(p.toLowerCase())) {
-                        tmpQuery = fromTimestampSearchFilter(p, v);
-                        if (tmpQuery != null) {
-                            query.must(tmpQuery);
-                        } else {
-                            query.must(QueryBuilders.regex(handlePrefix(prefix, p), DbFilter.createDatabaseRegex(v)));
-                        }
-                    } else {
-                        query.must(QueryBuilders.regex(handlePrefix(prefix, p), DbFilter.createDatabaseRegex(v)));
-                    }
-                } else if (DbFilter.isComparisonValid(v)) {
-                    RangeQueryBuilder q = DbFilter.getRangeQuery(handlePrefix(prefix, p), v);
-                    if (q != null) {
-                        query.must(q);
-                    } else {
-                        query.must(QueryBuilders.matchQuery(handlePrefix(prefix, p), v));
-                    }
+                if (values.size() == 1) {
+                    query.must(getSinglePropertyQuery(p, values.get(0), prefix));
                 } else {
-                    query.must(QueryBuilders.matchQuery(handlePrefix(prefix, p), v));
+                    BoolQueryBuilder tmpQuery = QueryBuilders.boolQuery();
+                    for (String v : values) {
+                        tmpQuery.should(getSinglePropertyQuery(p, v, prefix));
+                    }
+                    query.must(tmpQuery);
+                    tmpQuery = QueryBuilders.boolQuery();
                 }
             }
             LOG.trace("Query result. {}", query.toJSON());
@@ -419,6 +404,28 @@ public class QueryByFilter {
         }
     }
 
+    private static QueryBuilder getSinglePropertyQuery(String p, String v, String prefix) {
+        QueryBuilder query = null;
+        if (DbFilter.hasSearchParams(v)) {
+            if (p != null && timestampValueNames.contains(p.toLowerCase())) {
+                query = fromTimestampSearchFilter(p, v);
+                if (query == null) {
+                    query = QueryBuilders.regex(handlePrefix(prefix, p), DbFilter.createDatabaseRegex(v));
+                }
+            } else {
+                query = QueryBuilders.regex(handlePrefix(prefix, p), DbFilter.createDatabaseRegex(v));
+            }
+        } else if (DbFilter.isComparisonValid(v)) {
+            query = DbFilter.getRangeQuery(handlePrefix(prefix, p), v);
+            if (query == null) {
+                query = QueryBuilders.matchQuery(handlePrefix(prefix, p), v);
+            }
+        } else {
+            query = QueryBuilders.matchQuery(handlePrefix(prefix, p), v);
+        }
+        return query;
+    }
+
     private static String handlePrefix(String prefix, String p) {
         return (prefix != null ? prefix : "") + p;
     }
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/database/EsDataObjectReaderWriter2.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/database/EsDataObjectReaderWriter2.java
index 603c25bae..153022b4c 100644
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/database/EsDataObjectReaderWriter2.java
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/database/EsDataObjectReaderWriter2.java
@@ -32,8 +32,8 @@ import org.onap.ccsdk.features.sdnr.wt.common.database.DatabaseClient;
 import org.onap.ccsdk.features.sdnr.wt.common.database.SearchHit;
 import org.onap.ccsdk.features.sdnr.wt.common.database.SearchResult;
 import org.onap.ccsdk.features.sdnr.wt.common.database.queries.QueryBuilder;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.YangToolsMapper2;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.YangToolsMapperHelper;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.YangToolsMapper2;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.YangToolsMapperHelper;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.Entity;
 import org.opendaylight.yangtools.concepts.Builder;
 import org.opendaylight.yangtools.yang.binding.DataObject;
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/http/DataTreeChildObject.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/http/DataTreeChildObject.java
index e34988b4b..91d469700 100644
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/http/DataTreeChildObject.java
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/http/DataTreeChildObject.java
@@ -26,14 +26,13 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
-
 import org.json.JSONObject;
 
 public class DataTreeChildObject {
 
     private final String label;
-    private final String ownSeverity;
-    private final String childrenSeveritySummary;
+//    private final String ownSeverity;
+//    private final String childrenSeveritySummary;
     private final boolean isMatch;
     private final Map<String, DataTreeChildObject> children;
     private final Map<String, Object> properties;
@@ -47,8 +46,8 @@ public class DataTreeChildObject {
         this.label = label;
         this.isMatch = isMatch;
         this.children = children;
-        this.ownSeverity = ownSeverity;
-        this.childrenSeveritySummary = childrenSeveritySummary;
+//        this.ownSeverity = ownSeverity;
+//        this.childrenSeveritySummary = childrenSeveritySummary;
         this.properties = new HashMap<>();
     }
 
@@ -104,6 +103,7 @@ public class DataTreeChildObject {
             itemValue = this.getProperty(childKey, null);
             if (itemValue != null && itemValue.equals(itemValueToMatch)) {
                 this.children.put(id, data);
+                return true;
             }
         }
         return false;
@@ -189,4 +189,8 @@ public class DataTreeChildObject {
             this.children.remove(key);
         }
     }
+
+    public boolean hasChildren() {
+        return this.children!=null && !this.children.isEmpty();
+    }
 }
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/http/DataTreeHttpServlet.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/http/DataTreeHttpServlet.java
index bb4023abc..115ff4f40 100644
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/http/DataTreeHttpServlet.java
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/http/DataTreeHttpServlet.java
@@ -48,14 +48,6 @@ import org.slf4j.LoggerFactory;
  */
 public class DataTreeHttpServlet extends HttpServlet {
 
-    public enum FilterMode {
-        Strict, //show only filtered items and their parents
-        Lazy //show root items (and all their children) which have matches inside
-    }
-
-    /**
-     *
-     */
     private static final long serialVersionUID = 1L;
     private final DataTreeProviderImpl dataTreeProvider;
     private static final Logger LOG = LoggerFactory.getLogger(DataTreeHttpServlet.class);
@@ -116,7 +108,7 @@ public class DataTreeHttpServlet extends HttpServlet {
             LOG.info("GET request for {} to e={} with tree={}", uri, e.entity, e.tree);
             switch (e.entity) {
                 case Inventoryequipment:
-                    DataTreeObject o = this.dataTreeProvider.readInventoryTree(e.tree, null, FilterMode.Lazy);
+                    DataTreeObject o = this.dataTreeProvider.readInventoryTree(e.tree, null);
                     this.doJsonResponse(resp, o);
                     break;
                 default:
@@ -132,17 +124,12 @@ public class DataTreeHttpServlet extends HttpServlet {
     protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
         final String uri = req.getRequestURI();
         String filter = null;
-        FilterMode mode = FilterMode.Lazy;
         try {
             final String body = readPayload(req);
             JSONObject data = new JSONObject(body);
             if (data.has("query")) {
                 filter = data.getString("query");
             }
-            if (data.has("mode")) {
-                mode = data.getString("mode").equals("lazy") ? FilterMode.Lazy : FilterMode.Strict;
-            }
-
 
         } catch (Exception e) {
             LOG.warn("problem reading payload: {}", e);
@@ -152,7 +139,7 @@ public class DataTreeHttpServlet extends HttpServlet {
         if (e != null) {
             switch (e.entity) {
                 case Inventoryequipment:
-                    DataTreeObject o = this.dataTreeProvider.readInventoryTree(e.tree, filter, mode);
+                    DataTreeObject o = this.dataTreeProvider.readInventoryTree(e.tree, filter);
                     this.doJsonResponse(resp, o);
                     break;
                 default:
@@ -208,6 +195,15 @@ public class DataTreeHttpServlet extends HttpServlet {
             return "EntityWithTree [entity=" + entity + ", tree=" + tree + "]";
         }
 
+        /**
+         *
+         * @param e database enttity to access
+         * @param tree tree description
+         *   e.g. nodeA           => tree entry for node-id=nodeA
+         *        nodeA/key0      => tree entry for node-id=nodeA and uuid=key0 and tree-level=0
+         *        nodeA/key0/key1 => tree entry for node-id=nodeA and uuid=key1 and tree-level=1
+         *
+         */
         public EntityWithTree(Entity e, String tree) {
             this.entity = e;
             if (tree != null) {
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/http/DataTreeObject.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/http/DataTreeObject.java
index d6c8bd7bb..f12ff3deb 100644
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/http/DataTreeObject.java
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/http/DataTreeObject.java
@@ -21,8 +21,9 @@
  */
 package org.onap.ccsdk.features.sdnr.wt.dataprovider.http;
 
+import java.util.ArrayList;
 import java.util.HashMap;
-
+import java.util.List;
 import org.json.JSONObject;
 
 public class DataTreeObject extends HashMap<String, DataTreeChildObject> {
@@ -95,8 +96,15 @@ public class DataTreeObject extends HashMap<String, DataTreeChildObject> {
      *
      */
     public void removeUnmatchedPaths() {
-        for (DataTreeChildObject entry : this.values()) {
-            entry.removeUnmatchedPaths();
+        List<String> toRemove = new ArrayList<>();
+         for (Entry<String,DataTreeChildObject> entry : this.entrySet()) {
+            entry.getValue().removeUnmatchedPaths();
+            if(!entry.getValue().isMatch() && !entry.getValue().hasChildren()) {
+                toRemove.add(entry.getKey());
+            }
+        }
+        for(String toRemoveKey:toRemove) {
+            this.remove(toRemoveKey);
         }
 
     }
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/http/UserdataHttpServlet.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/http/UserdataHttpServlet.java
new file mode 100644
index 000000000..09a81c381
--- /dev/null
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/http/UserdataHttpServlet.java
@@ -0,0 +1,175 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * 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.features.sdnr.wt.dataprovider.http;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import org.json.JSONObject;
+import org.onap.ccsdk.features.sdnr.wt.common.http.BaseHTTPClient;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.HtUserdataManager;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class UserdataHttpServlet extends HttpServlet {
+
+    private static final long serialVersionUID = 1L;
+    private static final Logger LOG = LoggerFactory.getLogger(UserdataHttpServlet.class);
+    private static final String REGEX = "^\\/userdata[\\/]?([a-zA-Z0-9]+)?$";
+    private static final Pattern PATTERN = Pattern.compile(REGEX);
+    private static final String JWT_PAYLOAD_USERNAME_PROPERTYKEY = "sub";
+    private HtUserdataManager dbUserManager;
+
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        final String uri = req.getRequestURI();
+        final Matcher matcher = PATTERN.matcher(uri);
+        if (matcher.find()) {
+            LOG.info("GET found match");
+            this.handleGetRequest(req, resp, matcher.groupCount() > 0 ? matcher.group(1) : null);
+        } else {
+            LOG.info("no valid request");
+            super.doGet(req, resp);
+        }
+    }
+
+    @Override
+    protected void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        final String uri = req.getRequestURI();
+        final Matcher matcher = PATTERN.matcher(uri);
+        if (matcher.find()) {
+            LOG.info("PUT found match");
+            final String payload = getPayload(req);
+            this.handlePutRequest(req, resp, payload, matcher.groupCount() > 0 ? matcher.group(1) : null);
+        } else {
+            LOG.info("no valid request");
+            super.doPut(req, resp);
+        }
+    }
+
+    private String getPayload(HttpServletRequest req) throws IOException {
+        return DataTreeHttpServlet.readPayload(req);
+    }
+
+    @Override
+    protected void doDelete(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        final String uri = req.getRequestURI();
+        final Matcher matcher = PATTERN.matcher(uri);
+        if (matcher.find()) {
+            LOG.info("DELETE found match");
+            this.handleDeleteRequest(req, resp, matcher.groupCount() > 0 ? matcher.group(1) : null);
+        } else {
+            LOG.info("no valid request");
+            super.doPut(req, resp);
+        }
+    }
+
+    private void handleGetRequest(HttpServletRequest req, HttpServletResponse resp, String key) {
+        final String username = this.getUsername(req);
+        if(username==null) {
+            resp.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
+            return;
+        }
+        sendJsonResponse(resp,
+                key == null ? this.dbUserManager.getUserdata(username) : this.dbUserManager.getUserdata(username, key));
+    }
+
+
+    private void handlePutRequest(HttpServletRequest req, HttpServletResponse resp, String data, String key) {
+        final String username = this.getUsername(req);
+        if(username==null) {
+            resp.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
+            return;
+        }
+        boolean success = key == null ? this.dbUserManager.setUserdata(username, data)
+                : this.dbUserManager.setUserdata(username, key, data);
+        resp.setStatus(success ? HttpServletResponse.SC_OK : HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
+    }
+
+    private void handleDeleteRequest(HttpServletRequest req, HttpServletResponse resp, String key) {
+        final String username = this.getUsername(req);
+        if(username==null) {
+            resp.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
+            return;
+        }
+        boolean success = key == null ? this.dbUserManager.removeUserdata(username)
+                : this.dbUserManager.removeUserdata(username, key);
+        resp.setStatus(success ? HttpServletResponse.SC_OK : HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
+    }
+
+    private String getUsername(HttpServletRequest req) {
+        final String authHeader = req.getHeader("Authorization");
+        if(authHeader==null) {
+            return null;
+        }
+        String username = null;
+        if(authHeader.startsWith("Basic")) {
+            username = BaseHTTPClient.decodeBasicAuthHeaderUsername(authHeader);
+        }
+        else if(authHeader.startsWith("Bearer")) {
+            username = decodeJWTPayloadUsername(authHeader, JWT_PAYLOAD_USERNAME_PROPERTYKEY);
+        }
+        return username;
+    }
+
+    public static String decodeJWTPayloadUsername(String authHeader, String key) {
+        String username = null;
+        if(authHeader.startsWith("Bearer")) {
+            authHeader = authHeader.substring(7);
+        }
+        String[] tmp = authHeader.split("\\.");
+        if(tmp.length==3) {
+            final String decoded = new String(Base64.getDecoder().decode(tmp[1]));
+            JSONObject o  = new JSONObject(decoded);
+            if(o.has(key)) {
+                username = o.getString(key);
+                if(username!=null && username.contains("@")) {
+                    username = username.split("@")[0];
+                }
+            }
+        }
+        return username;
+    }
+
+    private static void sendJsonResponse(HttpServletResponse resp, String userdata) {
+        resp.setContentType("application/json");
+        resp.setStatus(HttpServletResponse.SC_OK);
+        try {
+
+            resp.getOutputStream().write(userdata.getBytes(StandardCharsets.UTF_8));
+        } catch (IOException e) {
+            LOG.warn("problem sending response: ", e);
+        }
+
+    }
+
+    public void setDatabaseClient(HtUserdataManager dbUserManager) {
+        this.dbUserManager = dbUserManager;
+    }
+
+}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataProviderImpl.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataProviderImpl.java
index 5c1ea98b2..190c78904 100644
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataProviderImpl.java
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataProviderImpl.java
@@ -26,9 +26,11 @@ import org.onap.ccsdk.features.sdnr.wt.common.database.HtDatabaseClientException
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.http.DataTreeHttpServlet;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.http.MsServlet;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.http.ReadyHttpServlet;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.http.UserdataHttpServlet;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.http.about.AboutHttpServlet;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.DataProvider;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.HtDatabaseMaintenance;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.HtUserdataManager;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.IEntityDataProvider;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.IEsConfig;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.NetconfTimeStamp;
@@ -48,6 +50,7 @@ public class DataProviderImpl implements IEntityDataProvider, AutoCloseable {
     private DataProviderServiceImpl rpcApiService;
     private AboutHttpServlet aboutServlet;
     private DataTreeHttpServlet treeServlet;
+    private UserdataHttpServlet userdataServlet;
     private HtDatabaseClient dbClient;
 
     // Blueprint 1
@@ -71,7 +74,9 @@ public class DataProviderImpl implements IEntityDataProvider, AutoCloseable {
     public void setTreeServlet(DataTreeHttpServlet treeServlet) {
         this.treeServlet = treeServlet;
     }
-
+    public void setUserdataServlet(UserdataHttpServlet userdataServlet) {
+        this.userdataServlet = userdataServlet;
+    }
     public void init() throws Exception {
 
         LOG.info("Session Initiated start {}", APPLICATION_NAME);
@@ -79,6 +84,7 @@ public class DataProviderImpl implements IEntityDataProvider, AutoCloseable {
             // Start RPC Service
             this.rpcApiService = new DataProviderServiceImpl(rpcProviderService, this.mediatorServerServlet);
             this.treeServlet.setDatabaseClient(this.rpcApiService.getRawClient());
+            this.userdataServlet.setDatabaseClient(this.rpcApiService.getHtDatabaseUserManager());
             LOG.info("Session Initiated end. Initialization done");
         } catch (Exception e) {
             if (e instanceof HtDatabaseClientException)
@@ -144,4 +150,9 @@ public class DataProviderImpl implements IEntityDataProvider, AutoCloseable {
         }
     }
 
+    @Override
+    public HtUserdataManager getHtDatabaseUserManager() {
+        return this.rpcApiService.getHtDatabaseUserManager();
+    }
+
 }
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataProviderServiceImpl.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataProviderServiceImpl.java
index 5ef7a0ad9..9e7fc18bc 100644
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataProviderServiceImpl.java
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataProviderServiceImpl.java
@@ -30,10 +30,12 @@ import org.eclipse.jdt.annotation.NonNull;
 import org.onap.ccsdk.features.sdnr.wt.common.configuration.ConfigurationFileRepresentation;
 import org.onap.ccsdk.features.sdnr.wt.common.database.HtDatabaseClient;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.data.ElasticSearchDataProvider;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.data.HtUserdataManagerImpl;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.data.MediatorServerDataProvider;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.http.MsServlet;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.DataProvider;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.HtDatabaseMaintenance;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.HtUserdataManager;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.IEsConfig;
 import org.opendaylight.mdsal.binding.api.RpcProviderService;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateMaintenanceInput;
@@ -107,6 +109,7 @@ public class DataProviderServiceImpl implements DataProviderService, AutoCloseab
     private final ConfigurationFileRepresentation configuration;
     private final EsConfig esConfig;
     private final MediatorServerDataProvider mediatorServerDataProvider;
+    private final HtUserdataManager dbUserManager;
 
     DataProviderServiceImpl(final RpcProviderService rpcProviderService, MsServlet mediatorServerServlet)
             throws Exception {
@@ -118,6 +121,7 @@ public class DataProviderServiceImpl implements DataProviderService, AutoCloseab
         this.mediatorServerDataProvider = new MediatorServerDataProvider(esConfig.getHosts(),
                 esConfig.getBasicAuthUsername(), esConfig.getBasicAuthPassword(),esConfig.trustAllCerts());
         mediatorServerServlet.setDataProvider(this.mediatorServerDataProvider);
+        this.dbUserManager = new HtUserdataManagerImpl(this.dataProvider.getRawClient());
         // Register ourselves as the REST API RPC implementation
         LOG.info("Register RPC Service " + DataProviderServiceImpl.class.getSimpleName());
         this.rpcReg = rpcProviderService.registerRpcImplementation(DataProviderService.class, this);
@@ -412,4 +416,8 @@ public class DataProviderServiceImpl implements DataProviderService, AutoCloseab
         return result;
     }
 
+    public HtUserdataManager getHtDatabaseUserManager() {
+        return this.dbUserManager;
+    }
+
 }
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataTreeProviderImpl.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataTreeProviderImpl.java
index 4340d8168..e69ddb737 100644
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataTreeProviderImpl.java
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/impl/DataTreeProviderImpl.java
@@ -36,7 +36,6 @@ import org.onap.ccsdk.features.sdnr.wt.common.database.requests.SearchRequest;
 import org.onap.ccsdk.features.sdnr.wt.common.database.responses.AggregationEntries;
 import org.onap.ccsdk.features.sdnr.wt.common.database.responses.SearchResponse;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.http.DataTreeChildObject;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.http.DataTreeHttpServlet.FilterMode;
 import org.onap.ccsdk.features.sdnr.wt.dataprovider.http.DataTreeObject;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.Entity;
 
@@ -48,12 +47,12 @@ public class DataTreeProviderImpl {
 
     private static final long MAXSIZE_PERSEARCH = 10;
     private HtDatabaseClient dbClient;
-    final String INVENTORY_PROPERTY_TREELEVEL = "tree-level";
-    final String INVENTORY_PROPERTY_NODEID = "node-id";
-    final String INVENTORY_PROPERTY_UUID = "uuid";
-    final String INVENTORY_PROPERTY_PARENTUUID = "parent-uuid";
-    final String INVENTORY_PROPERTY_FOR_LABEL_CHILD = "uuid";
-    final String INVENTORY_PROPERTY_FOR_LABEL = "uuid";
+    private static final String INVENTORY_PROPERTY_TREELEVEL = "tree-level";
+    private static final String INVENTORY_PROPERTY_NODEID = "node-id";
+    private static final String INVENTORY_PROPERTY_UUID = "uuid";
+    private static final String INVENTORY_PROPERTY_PARENTUUID = "parent-uuid";
+    private static final String INVENTORY_PROPERTY_FOR_LABEL_CHILD = "uuid";
+    private static final String INVENTORY_PROPERTY_FOR_LABEL = "uuid";
 
     private List<SearchHit> search(Entity e, String filter, String propTreeLevel) throws IOException {
         return this.search(e, filter, null, null, null, null, null, null, propTreeLevel);
@@ -132,15 +131,15 @@ public class DataTreeProviderImpl {
      * @return
      * @throws IOException
      */
-    public DataTreeObject readInventoryTree(List<String> tree, String filter, FilterMode mode) throws IOException {
+    public DataTreeObject readInventoryTree(List<String> tree, String filter) throws IOException {
 
         //root nodes will be node-information -> below inventory
         if (tree == null || tree.size() <= 0) {
-            return this.readInventoryTreeWithNode(filter, mode);
+            return this.readInventoryTreeWithNode(filter);
         }
         //root node will be inventory on tree-level if sliced treePath
         else {
-            return this.readInventoryTreeForNode(tree.get(0), tree.subList(0, tree.size() - 1), filter, mode);
+            return this.readInventoryTreeForNode(tree.get(0), tree.subList(0, tree.size() - 1), filter);
         }
 
     }
@@ -152,7 +151,7 @@ public class DataTreeProviderImpl {
      * @param mode
      * @return
      */
-    private DataTreeObject readInventoryTreeForNode(String nodeId, List<String> list, String filter, FilterMode mode)
+    private DataTreeObject readInventoryTreeForNode(String nodeId, List<String> list, String filter)
             throws IOException {
         DataTreeObject tree = new DataTreeObject(INVENTORY_PROPERTY_PARENTUUID, INVENTORY_PROPERTY_UUID);
         final String parentUuid = list.size() > 1 ? list.get(list.size() - 2) : null;
@@ -161,7 +160,8 @@ public class DataTreeProviderImpl {
                 INVENTORY_PROPERTY_PARENTUUID, parentUuid, INVENTORY_PROPERTY_UUID, uuid, INVENTORY_PROPERTY_TREELEVEL);
 
         //tree.a(subtreePath);
-        List<SearchHit> others = this.search(Entity.Inventoryequipment, (String) null, INVENTORY_PROPERTY_TREELEVEL);
+        List<SearchHit> others = this.search(Entity.Inventoryequipment, (String) null, INVENTORY_PROPERTY_NODEID, nodeId,
+                null, null, null, null, INVENTORY_PROPERTY_TREELEVEL);
         if (matches.size() > 0) {
             int treeLevelToStart = (list == null || list.size() <= 0) ? 0 : list.size() - 1;
             //build tree
@@ -208,6 +208,7 @@ public class DataTreeProviderImpl {
                                             hitData.getString(INVENTORY_PROPERTY_PARENTUUID)));
                 }
             }
+            tree.removeUnmatchedPaths();
         }
         return tree;
     }
@@ -216,11 +217,10 @@ public class DataTreeProviderImpl {
      * node will be root elements inventory information below from level-1
      *
      * @param filter
-     * @param mode
      * @return
      * @throws IOException
      */
-    private DataTreeObject readInventoryTreeWithNode(String filter, FilterMode mode) throws IOException {
+    private DataTreeObject readInventoryTreeWithNode(String filter) throws IOException {
         DataTreeObject tree = new DataTreeObject(INVENTORY_PROPERTY_PARENTUUID, INVENTORY_PROPERTY_UUID);
 
         List<SearchHit> matches = this.search(Entity.Inventoryequipment, filter, INVENTORY_PROPERTY_TREELEVEL);
@@ -302,9 +302,8 @@ public class DataTreeProviderImpl {
                     }
                 }
             }
-            if (mode == FilterMode.Strict) {
-                tree.removeUnmatchedPaths();
-            }
+            tree.removeUnmatchedPaths();
+
         }
         return tree;
     }
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/YangToolsMapper.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/DataProviderYangToolsMapper.java
index e7580c69a..78b032e77 100644
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/YangToolsMapper.java
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/DataProviderYangToolsMapper.java
@@ -21,13 +21,11 @@
  */
 package org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools;
 
-import com.fasterxml.jackson.annotation.JsonInclude.Include;
-import com.fasterxml.jackson.databind.DeserializationFeature;
-import com.fasterxml.jackson.databind.MapperFeature;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.PropertyNamingStrategy;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.mapperextensions.YangToolsBuilderAnnotationIntrospector;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.mapperextensions.YangToolsModule;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.YangToolsMapper;
+import org.onap.ccsdk.features.sdnr.wt.yang.mapper.serialize.IdentifierDeserializer;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.credentials.Credentials;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.credentials.credentials.LoginPasswordBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.pmdata.grp.MeasurementKey;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -36,25 +34,17 @@ import org.slf4j.LoggerFactory;
  * deserialization of DataObject to/from JSON TODO ChoiceIn and Credentials deserialization only for
  * LoginPasswordBuilder
  */
-public class YangToolsMapper extends ObjectMapper {
+public class DataProviderYangToolsMapper extends YangToolsMapper {
 
     @SuppressWarnings("unused")
-    private final Logger LOG = LoggerFactory.getLogger(YangToolsMapper.class);
+    private final Logger LOG = LoggerFactory.getLogger(DataProviderYangToolsMapper.class);
     private static final long serialVersionUID = 1L;
 
-    public YangToolsMapper() {
-        this(new YangToolsBuilderAnnotationIntrospector());
-    }
-
-    protected YangToolsMapper(YangToolsBuilderAnnotationIntrospector yangToolsBuilderAnnotationIntrospector) {
+    public DataProviderYangToolsMapper() {
         super();
-
-        configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
-        setPropertyNamingStrategy(PropertyNamingStrategy.KEBAB_CASE);
-        setSerializationInclusion(Include.NON_NULL);
-        enable(MapperFeature.USE_GETTERS_AS_SETTERS);
-        setAnnotationIntrospector(yangToolsBuilderAnnotationIntrospector);
-        registerModule(new YangToolsModule());
+        this.addDeserializer(Credentials.class, LoginPasswordBuilder.class.getName());
+        this.addKeyDeserializer(MeasurementKey.class, new IdentifierDeserializer());
     }
 
+
 }
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/YangToolsMapper2.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/YangToolsMapper2.java
deleted file mode 100644
index a19f114e3..000000000
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/YangToolsMapper2.java
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * ONAP : ccsdk features
- * ================================================================================
- * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property.
- * 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.features.sdnr.wt.dataprovider.yangtools;
-
-import java.lang.reflect.InvocationTargetException;
-import javax.annotation.Nullable;
-import org.eclipse.jdt.annotation.NonNull;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.mapperextensions.YangToolsBuilderAnnotationIntrospector;
-import org.opendaylight.yangtools.concepts.Builder;
-import org.opendaylight.yangtools.yang.binding.DataObject;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * YangToolsMapper is a specific Jackson mapper configuration for opendaylight yangtools serialization or
- * deserialization of DataObject to/from JSON TODO ChoiceIn and Credentials deserialization only for
- * LoginPasswordBuilder
- */
-public class YangToolsMapper2<T extends DataObject> extends YangToolsMapper {
-
-    private static final Logger LOG = LoggerFactory.getLogger(YangToolsMapper2.class);
-    private static final long serialVersionUID = 1L;
-
-    private @Nullable final Class<? extends Builder<? extends T>> builderClazz;
-
-    /**
-     * Generic Object creation of yangtools java class builder pattern.
-     *
-     * @param <X> Class of DataObject
-     * @param <B> Builder for the class.
-     * @param clazz specifies class to be mapped
-     * @param builderClazz is the builder for class with name pattern "clazzBuilder".<br>
-     *        If null the clazz is expected to support normal jackson build pattern.
-     * @throws ClassNotFoundException if builderClazz not available in bundle
-     */
-    public <X extends T, B extends Builder<X>> YangToolsMapper2(@NonNull Class<T> clazz,
-            @Nullable Class<B> builderClazz) throws ClassNotFoundException {
-        super(new YangToolsBuilderAnnotationIntrospector(clazz, builderClazz));
-
-        this.builderClazz =
-                builderClazz != null ? builderClazz : getBuilderClass(YangToolsMapperHelper.getBuilderClassName(clazz));
-    }
-
-    /**
-     * Get Builder object for yang tools interface.
-     *
-     * @param <T> yang-tools base datatype
-     * @param clazz class with interface.
-     * @return builder for interface or null if not existing
-     */
-    public @Nullable Builder<? extends T> getBuilder(Class<T> clazz) {
-        try {
-            if (builderClazz != null)
-                return builderClazz.getDeclaredConstructor().newInstance();
-            else
-                return null;
-        } catch (InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException
-                | NoSuchMethodException | SecurityException e) {
-            LOG.warn("Problem intantiating Builder", e);
-            return null;
-        }
-    }
-
-    // --- Private functions
-
-    /**
-     * Search builder in context
-     *
-     * @param name
-     * @return
-     * @throws ClassNotFoundException
-     */
-    @SuppressWarnings("unchecked")
-    private <X extends T, B extends Builder<X>> Class<B> getBuilderClass(String name) throws ClassNotFoundException {
-        return (Class<B>) YangToolsMapperHelper.getBuilderClass(name);
-    }
-
-}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/YangToolsMapperHelper.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/YangToolsMapperHelper.java
deleted file mode 100644
index a2afab0a8..000000000
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/YangToolsMapperHelper.java
+++ /dev/null
@@ -1,244 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * ONAP : ccsdk features
- * ================================================================================
- * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
- * 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.features.sdnr.wt.dataprovider.yangtools;
-
-import com.fasterxml.jackson.databind.DeserializationContext;
-import java.lang.reflect.Constructor;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Optional;
-import java.util.concurrent.ConcurrentHashMap;
-import javax.annotation.Nullable;
-import org.opendaylight.yangtools.concepts.Builder;
-import org.osgi.framework.Bundle;
-import org.osgi.framework.BundleContext;
-import org.osgi.framework.FrameworkUtil;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class YangToolsMapperHelper {
-
-    private static final Logger LOG = LoggerFactory.getLogger(YangToolsMapperHelper.class);
-    private static final String TYPEOBJECT_INSTANCE_METHOD = "getDefaultInstance";
-    private static final String BUILDER = "Builder";
-
-    private static BundleContext context = getBundleContext();
-    private static ConcurrentHashMap<String, Class<?>> cache = new ConcurrentHashMap<>();
-
-    private YangToolsMapperHelper() {
-        //Make unaccessible
-    }
-
-    public static Class<?> findClass(String name) throws ClassNotFoundException {
-
-        //Try first in cache
-        Class<?> res = cache.get(name);
-        if (res != null) {
-            return res;
-        }
-        //Try first in actual bundle
-        try {
-            return loadClass(null, name);
-        } catch (ClassNotFoundException e) {
-            // No problem, this bundle doesn't have the class
-        }
-        // Try to find in other bundles
-        if (context != null) {
-            //OSGi environment
-            for (Bundle b : context.getBundles()) {
-                try {
-                    return loadClass(b, name);
-                } catch (ClassNotFoundException e) {
-                    // No problem, this bundle doesn't have the class
-                }
-            }
-        }
-        // really not found in any bundle
-        throw new ClassNotFoundException("Can not find class '"+name+"'");
-    }
-
-    private static Class<?> loadClass(Bundle b, String name) throws ClassNotFoundException {
-        Class<?> res = b == null ? Class.forName(name) : b.loadClass(name);
-        cache.put(name, res);
-        return res;
-    }
-
-    /**
-     * Verify if builder is available
-     *
-     * @throws ClassNotFoundException
-     **/
-    public static Class<?> assertBuilderClass(Class<?> clazz) throws ClassNotFoundException {
-        return getBuilderClass(getBuilderClassName(clazz));
-    }
-
-    public static Class<?> getBuilderClass(String name) throws ClassNotFoundException {
-        return findClass(name);
-    }
-
-    public static Class<?> getBuilderClass(Class<?> clazz) throws ClassNotFoundException {
-        return findClass(getBuilderClassName(clazz));
-    }
-
-    /**
-     * Create name of builder class
-     *
-     * @param <T>
-     * @param clazz
-     * @return builders class name
-     * @throws ClassNotFoundException
-     */
-    public static String getBuilderClassName(Class<?> clazz) {
-        return clazz.getName() + BUILDER;
-    }
-
-    @SuppressWarnings("unchecked")
-    public static <B extends Builder<?>> Class<B> findBuilderClass(DeserializationContext ctxt, Class<?> clazz) throws ClassNotFoundException {
-        return (Class<B>) findClass(getBuilderClassName(clazz));
-    }
-
-    public static <B extends Builder<?>> Optional<Class<B>> findBuilderClassOptional(DeserializationContext ctxt, Class<?> clazz) {
-        try {
-            return Optional.of(findBuilderClass(ctxt, clazz));
-        } catch (ClassNotFoundException e) {
-            return Optional.empty();
-        }
-    }
-
-    public static boolean hasClassDeclaredMethod(Class<?> clazz, String name) {
-        Method[] methods = clazz.getDeclaredMethods();
-        for (Method m : methods) {
-            if (m.getName().equals(name)) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    @SuppressWarnings("unchecked")
-    public static <T> Optional<T> getInstanceByConstructor(Class<?> clazz, String arg) throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, NoSuchMethodException, SecurityException {
-        List<Class<?>> ctypes = getConstructorParameterTypes(clazz, String.class);
-        Optional<Object> oObj;
-        for (Class<?> ctype : ctypes) {
-            if (ctype.equals(String.class)) {
-                return Optional.of((T) clazz.getConstructor(ctype).newInstance(arg));
-            } else if ((oObj = getDefaultInstance(ctype, arg)).isPresent()) {
-                return Optional.of((T) clazz.getConstructor(ctype).newInstance(oObj.get()));
-            } else {
-                // TODO: recursive instantiation down to string constructor or
-                // getDefaultInstance method
-                LOG.debug("Not implemented arg:'{}' class:'{}'", arg, clazz);
-            }
-        }
-        return Optional.empty();
-    }
-
-    @SuppressWarnings("unchecked")
-    public static <T> Optional<T> getDefaultInstance(@Nullable Class<?> clazz, String arg)
-            throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException,
-            InvocationTargetException {
-        LOG.trace("arg:'{}' clazz '{}'", arg, clazz.getName());
-        if (clazz != null) {
-            Method[] methods = clazz.getDeclaredMethods();
-            for (Method m : methods) {
-                //TODO Verify argument type to avoid exception
-                if (m.getName().equals(TYPEOBJECT_INSTANCE_METHOD)) {
-                    Method method = clazz.getDeclaredMethod(TYPEOBJECT_INSTANCE_METHOD, String.class);
-                    LOG.trace("Invoke {} available {}",TYPEOBJECT_INSTANCE_METHOD, method != null);
-                    return Optional.of((T) method.invoke(null, arg));
-                }
-            }
-        }
-        return Optional.empty();
-    }
-
-    public static <T> Optional<T> getDefaultInstance(Optional<Class<T>> optionalClazz, String arg)
-            throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException,
-            InvocationTargetException {
-        if (optionalClazz.isPresent()) {
-            return getDefaultInstance(optionalClazz.get(), arg);
-        }
-        return Optional.empty();
-    }
-
-    public static List<Class<?>> getConstructorParameterTypes(Class<?> clazz, Class<?> prefer) {
-
-        Constructor<?>[] constructors = clazz.getConstructors();
-        List<Class<?>> res = new ArrayList<>();
-        for (Constructor<?> c : constructors) {
-            Class<?>[] ptypes = c.getParameterTypes();
-            if (ptypes.length == 1) {
-                res.add(ptypes[0]);
-            }
-
-            if (prefer != null && ptypes.length == 1 && ptypes[0].equals(prefer)) {
-                return Arrays.asList(prefer);
-            }
-        }
-        return res;
-    }
-
-    public static boolean implementsInterface(Class<?> clz, Class<?> ifToImplement) {
-        Class<?>[] ifs = clz.getInterfaces();
-        for (Class<?> iff : ifs) {
-            if (iff.equals(ifToImplement)) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    /**
-     * Provide mapping of string to attribute names, generated by yang-tools. "netconf-id" converted to "_netconfId"
-     *
-     * @param name with attribute name, not null or empty
-     * @return converted string or null if name was empty or null
-     */
-    public @Nullable static String toCamelCaseAttributeName(final String name) {
-        if (name == null || name.isEmpty())
-            return null;
-
-        final StringBuilder ret = new StringBuilder(name.length());
-        if (!name.startsWith("_"))
-            ret.append('_');
-        int start = 0;
-        for (final String word : name.split("-")) {
-            if (!word.isEmpty()) {
-                if (start++ == 0) {
-                    ret.append(Character.toLowerCase(word.charAt(0)));
-                } else {
-                    ret.append(Character.toUpperCase(word.charAt(0)));
-                }
-                ret.append(word.substring(1));
-            }
-        }
-        return ret.toString();
-    }
-
-    private static BundleContext getBundleContext() {
-        Bundle bundle = FrameworkUtil.getBundle(YangToolsMapperHelper.class);
-        return bundle != null ? bundle.getBundleContext() : null;
-    }
-}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/builder/DateAndTimeBuilder.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/builder/DateAndTimeBuilder.java
deleted file mode 100644
index 8dbaf4ab9..000000000
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/builder/DateAndTimeBuilder.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * ONAP : ccsdk features
- * ================================================================================
- * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
- * 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.features.sdnr.wt.dataprovider.yangtools.builder;
-
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
-
-public class DateAndTimeBuilder {
-	 private final String _value;
-
-     public DateAndTimeBuilder(String v) {
-         this._value = v;
-     }
-
-     public DateAndTime build() {
-         return new DateAndTime(_value);
-     }
-}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/mapperextensions/YangToolsBuilderAnnotationIntrospector.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/mapperextensions/YangToolsBuilderAnnotationIntrospector.java
deleted file mode 100644
index eb611c602..000000000
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/mapperextensions/YangToolsBuilderAnnotationIntrospector.java
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * ONAP : ccsdk features
- * ================================================================================
- * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
- * 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.features.sdnr.wt.dataprovider.yangtools.mapperextensions;
-
-import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder;
-import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder.Value;
-import com.fasterxml.jackson.databind.cfg.MapperConfig;
-import com.fasterxml.jackson.databind.introspect.AnnotatedClass;
-import com.fasterxml.jackson.databind.introspect.AnnotatedMethod;
-import com.fasterxml.jackson.databind.introspect.JacksonAnnotationIntrospector;
-import java.math.BigInteger;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.YangToolsMapperHelper;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.builder.DateAndTimeBuilder;
-//import org.onap.ccsdk.features.sdnr.wt.dataprovider.data.builders.rev201110.read.network.element.connection.list.output.DataBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.credentials.Credentials;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.credentials.credentials.LoginPasswordBuilder;
-import org.opendaylight.yangtools.yang.common.Uint16;
-import org.opendaylight.yangtools.yang.common.Uint32;
-import org.opendaylight.yangtools.yang.common.Uint64;
-import org.opendaylight.yangtools.yang.common.Uint8;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class YangToolsBuilderAnnotationIntrospector extends JacksonAnnotationIntrospector {
-
-    private static final Logger LOG = LoggerFactory.getLogger(YangToolsBuilderAnnotationIntrospector.class);
-    private static final long serialVersionUID = 1L;
-
-    private final Map<Class<?>, String> customDeserializer;
-
-    public YangToolsBuilderAnnotationIntrospector() {
-        this(null, null);
-    }
-
-    public YangToolsBuilderAnnotationIntrospector(Class<?> cls, Class<?> builderClass) {
-        this.customDeserializer = new HashMap<>();
-        if (cls != null && builderClass != null) {
-            this.customDeserializer.put(cls, builderClass.getName());
-        }
-        this.customDeserializer.put(DateAndTime.class, DateAndTimeBuilder.class.getName());
-        this.customDeserializer.put(Credentials.class, LoginPasswordBuilder.class.getName());
-    }
-
-    @Override
-    public Class<?> findPOJOBuilder(AnnotatedClass ac) {
-        try {
-            String builder = null;
-            if (this.customDeserializer.containsKey(ac.getRawType())) {
-                builder = this.customDeserializer.get(ac.getRawType());
-            } else {
-                if (ac.getRawType().isInterface()) {
-                    builder = ac.getName() + "Builder";
-                }
-            }
-            if (builder != null) {
-                LOG.trace("map {} with builder {}", ac.getName(), builder);
-                Class<?> innerBuilder = YangToolsMapperHelper.findClass(builder);
-                return innerBuilder;
-            }
-        } catch (ClassNotFoundException e) {
-            LOG.trace("builder class not found for {}", ac.getName());
-        }
-        return super.findPOJOBuilder(ac);
-    }
-
-    @Override
-    public Value findPOJOBuilderConfig(AnnotatedClass ac) {
-        if (ac.hasAnnotation(JsonPOJOBuilder.class)) {
-            return super.findPOJOBuilderConfig(ac);
-        }
-        return new JsonPOJOBuilder.Value("build", "set");
-    }
-
-    @Override
-    public AnnotatedMethod resolveSetterConflict(MapperConfig<?> config, AnnotatedMethod setter1,
-            AnnotatedMethod setter2) {
-        Class<?> p1 = setter1.getRawParameterType(0);
-        Class<?> p2 = setter2.getRawParameterType(0);
-        AnnotatedMethod res = null;
-
-        if (this.isAssignable(p1, p2, Map.class, List.class)) {
-			res = p1.isAssignableFrom(List.class) ? setter1 : setter2; //prefer List setter
-        } else if (this.isAssignable(p1, p2, Uint64.class, BigInteger.class)) {
-            res = setter1;
-        } else if (this.isAssignable(p1, p2, Uint32.class, Long.class)) {
-            res = setter1;
-        } else if (this.isAssignable(p1, p2, Uint16.class, Integer.class)) {
-            res = setter1;
-        } else if (this.isAssignable(p1, p2, Uint8.class, Short.class)) {
-            res = setter1;
-        }
-        if (res == null) {
-            res = super.resolveSetterConflict(config, setter1, setter2);
-        }
-        LOG.debug("{} (m1={} <=> m2={} => result:{})", setter1.getName(), p1.getSimpleName(), p2.getSimpleName(),
-                res.getRawParameterType(0).getSimpleName());
-
-        return res;
-    }
-
-    private boolean isAssignable(Class<?> p1, Class<?> p2, Class<?> c1, Class<?> c2) {
-        return ((p1.isAssignableFrom(c1) && p2.isAssignableFrom(c2))
-                || (p2.isAssignableFrom(c1) && p1.isAssignableFrom(c2)));
-
-    }
-
-    public void addDeserializer(Class<?> clazz, String builder) {
-        this.customDeserializer.put(clazz, builder);
-    }
-
-}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/mapperextensions/YangToolsDeserializerModifier.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/mapperextensions/YangToolsDeserializerModifier.java
deleted file mode 100644
index 634a3bc5b..000000000
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/mapperextensions/YangToolsDeserializerModifier.java
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * ONAP : ccsdk features
- * ================================================================================
- * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
- * 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.features.sdnr.wt.dataprovider.yangtools.mapperextensions;
-
-import com.fasterxml.jackson.core.JsonParser;
-import com.fasterxml.jackson.databind.BeanDescription;
-import com.fasterxml.jackson.databind.DeserializationConfig;
-import com.fasterxml.jackson.databind.DeserializationContext;
-import com.fasterxml.jackson.databind.JavaType;
-import com.fasterxml.jackson.databind.JsonDeserializer;
-import com.fasterxml.jackson.databind.KeyDeserializer;
-import com.fasterxml.jackson.databind.deser.BeanDeserializerModifier;
-import java.io.IOException;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-import java.util.NoSuchElementException;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.types.ScalarTypeObject;
-//import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.types.ScalarTypeObject;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.types.YangHelper2;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.YangToolsMapperHelper;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.serialize.BaseIdentityDeserializer;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.serialize.ClassDeserializer;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.serialize.IdentifierDeserializer;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.serialize.TypeObjectDeserializer;
-import org.opendaylight.yangtools.yang.binding.BaseIdentity;
-import org.opendaylight.yangtools.yang.binding.Identifier;
-import org.opendaylight.yangtools.yang.binding.TypeObject;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class YangToolsDeserializerModifier extends BeanDeserializerModifier {
-
-    private static final Logger LOG = LoggerFactory.getLogger(YangToolsDeserializerModifier.class);
-    private static final String getEnumMethodName="valueOf";
-
-    @Override
-    public JsonDeserializer<Enum<?>> modifyEnumDeserializer(DeserializationConfig config, final JavaType type,
-            BeanDescription beanDesc, final JsonDeserializer<?> deserializer) {
-        return new JsonDeserializer<Enum<?>>() {
-
-            @Override
-            public Enum<?> deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
-                Class<?> clazz = type.getRawClass();
-
-                try {
-                    Method method = clazz.getDeclaredMethod(getEnumMethodName, String.class);
-                    Enum<?> result = (Enum<?>) method.invoke(null, jp.getValueAsString());
-                    LOG.debug("Deserialize '{}' with class '{}' to '{}'", jp.getValueAsString(), clazz.getName(), result);
-                    return result;
-                } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException
-                        | NoSuchMethodException | NoSuchElementException | SecurityException e) {
-                    LOG.warn("problem deserializing enum for {} with value {}: {}", clazz.getName(),
-                            jp.getValueAsString(), e);
-                }
-                throw new IOException(
-                        "unable to parse enum (" + type.getRawClass() + ")for value " + jp.getValueAsString());
-            }
-        };
-    }
-
-    @Override
-    public JsonDeserializer<?> modifyDeserializer(DeserializationConfig config, BeanDescription beanDesc,
-            JsonDeserializer<?> deserializer) {
-        final JavaType type = beanDesc.getType();
-        final Class<?> rawClass = type.getRawClass();
-
-        JsonDeserializer<?> deser = super.modifyDeserializer(config, beanDesc, deserializer);
-
-        if (YangToolsMapperHelper.implementsInterface(rawClass, TypeObject.class)) {
-            deser = new TypeObjectDeserializer<TypeObject>(type, deser);
-        } else if (YangToolsMapperHelper.implementsInterface(rawClass, YangHelper2.getScalarTypeObjectClass())) {
-            deser = new TypeObjectDeserializer<ScalarTypeObject>(type, deser);
-        } else if (YangToolsMapperHelper.implementsInterface(rawClass, BaseIdentity.class)) {
-            deser = new BaseIdentityDeserializer<BaseIdentity>(deser);
-        } else if (rawClass.equals(Class.class)) {
-            deser = new ClassDeserializer(rawClass);
-        }
-
-        LOG.debug("Deserialize '{}' with deserializer '{}'", rawClass.getName(), deser.getClass().getName());
-        return deser;
-    }
-
-    @Override
-    public KeyDeserializer modifyKeyDeserializer(DeserializationConfig config, JavaType type, KeyDeserializer deser) {
-        KeyDeserializer res;
-        if (YangToolsMapperHelper.implementsInterface(type.getRawClass(), Identifier.class)) {
-            res = new IdentifierDeserializer();
-        } else {
-            res = super.modifyKeyDeserializer(config, type, deser);
-        }
-        LOG.debug("Keydeserialize '{}' with deserializer '{}'", type.getRawClass().getName(), res.getClass().getName());
-        return res;
-    }
-
-    void test() {
-        com.fasterxml.jackson.databind.util.ClassUtil xy;
-    }
-}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/mapperextensions/YangToolsModule.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/mapperextensions/YangToolsModule.java
deleted file mode 100644
index 46f69d4f9..000000000
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/mapperextensions/YangToolsModule.java
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * ONAP : ccsdk features
- * ================================================================================
- * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
- * 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.features.sdnr.wt.dataprovider.yangtools.mapperextensions;
-
-import com.fasterxml.jackson.databind.module.SimpleModule;
-import java.util.Map;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.serialize.DateAndTimeSerializer;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.serialize.EnumSerializer;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.serialize.IdentifierDeserializer;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.serialize.MapSerializer;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.serialize.TypeObjectSerializer;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.pmdata.grp.MeasurementKey;
-import org.opendaylight.yangtools.yang.binding.TypeObject;
-
-public class YangToolsModule extends SimpleModule {
-
-    private static final long serialVersionUID = 1L;
-
-    public YangToolsModule() {
-        super();
-        setDeserializerModifier(new YangToolsDeserializerModifier());
-
-        addKeyDeserializer(MeasurementKey.class, new IdentifierDeserializer());
-        addSerializer(DateAndTime.class, new DateAndTimeSerializer());
-        addSerializer(TypeObject.class, new TypeObjectSerializer());
-        addSerializer(Enum.class, new EnumSerializer());
-        addSerializer(Map.class, new MapSerializer());
-    }
-
-}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/BaseIdentityDeserializer.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/BaseIdentityDeserializer.java
deleted file mode 100644
index 10f18e796..000000000
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/BaseIdentityDeserializer.java
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * ONAP : ccsdk features
- * ================================================================================
- * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
- * 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.features.sdnr.wt.dataprovider.yangtools.serialize;
-
-import com.fasterxml.jackson.core.JsonParser;
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.DeserializationContext;
-import com.fasterxml.jackson.databind.JsonDeserializer;
-import java.io.IOException;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.YangToolsMapperHelper;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class BaseIdentityDeserializer<T> extends JsonDeserializer<T> {
-
-    private static final Logger LOG = LoggerFactory.getLogger(BaseIdentityDeserializer.class);
-    private final JsonDeserializer<?> deser;
-
-    public BaseIdentityDeserializer(final JsonDeserializer<?> deser) {
-        this.deser = deser;
-    }
-
-    @SuppressWarnings("unchecked")
-    @Override
-    public T deserialize(JsonParser parser, DeserializationContext ctxt) throws IOException, JsonProcessingException {
-        LOG.debug("BaseIdentityDeserializer class for '{}'",parser.getValueAsString());
-        String clazzToSearch = parser.getValueAsString();
-        // clazz from Elasticsearch is full qualified
-        int lastDot = clazzToSearch.lastIndexOf(".");
-        if (lastDot > -1) {
-            clazzToSearch = clazzToSearch.substring(lastDot+1);
-        } else {
-            clazzToSearch = clazzToSearch.substring(0, 1).toUpperCase() + clazzToSearch.substring(1);
-        }
-        Class<?> clazz;
-        try {
-            clazz = YangToolsMapperHelper.findClass(clazzToSearch);
-            if (clazz != null)
-                return (T)clazz;
-        } catch (ClassNotFoundException e) {
-            LOG.warn("BaseIdentityDeserializer class not found for '"+parser.getValueAsString()+"'",e);
-        }
-        return (T) deser.deserialize(parser, ctxt);
-    }
-}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/ClassDeserializer.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/ClassDeserializer.java
deleted file mode 100644
index 2627c2ae0..000000000
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/ClassDeserializer.java
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * ONAP : ccsdk features
- * ================================================================================
- * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
- * 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.features.sdnr.wt.dataprovider.yangtools.serialize;
-
-import com.fasterxml.jackson.databind.DeserializationContext;
-import com.fasterxml.jackson.databind.deser.std.FromStringDeserializer;
-import java.io.IOException;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.YangToolsMapperHelper;
-
-public class ClassDeserializer extends FromStringDeserializer<Class<?>> {
-
-    private static final long serialVersionUID = 1L;
-
-    public ClassDeserializer(Class<?> vc) {
-        super(vc);
-    }
-
-    @Override
-    protected Class<?> _deserialize(String value, DeserializationContext ctxt) throws IOException {
-        try {
-            return YangToolsMapperHelper.findClass(value);
-        } catch (ClassNotFoundException e) {
-            throw new IOException("Can not find class "+value,e);
-        }
-    }
-}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/DateAndTimeSerializer.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/DateAndTimeSerializer.java
deleted file mode 100644
index a35aad75a..000000000
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/DateAndTimeSerializer.java
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * ONAP : ccsdk features
- * ================================================================================
- * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
- * 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.features.sdnr.wt.dataprovider.yangtools.serialize;
-
-import com.fasterxml.jackson.core.JsonGenerator;
-import com.fasterxml.jackson.databind.SerializerProvider;
-import com.fasterxml.jackson.databind.ser.std.StdSerializer;
-import java.io.IOException;
-import org.eclipse.jdt.annotation.NonNull;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
-
-/**
- * DateAndTime shouldn't be encapsulated into a json object to be able to use elasticsearch date time query functions.
- */
-public class DateAndTimeSerializer extends StdSerializer<@NonNull DateAndTime> {
-
-    private static final long serialVersionUID = 1L;
-
-    public DateAndTimeSerializer() {
-        this(null);
-    }
-
-    protected DateAndTimeSerializer(Class<DateAndTime> t) {
-        super(t);
-    }
-
-    @Override
-    public void serialize(DateAndTime value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
-        gen.writeString(value.getValue());
-    }
-
-}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/EnumSerializer.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/EnumSerializer.java
deleted file mode 100644
index f8220c2d4..000000000
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/EnumSerializer.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * ONAP : ccsdk features
- * ================================================================================
- * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
- * 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.features.sdnr.wt.dataprovider.yangtools.serialize;
-
-import com.fasterxml.jackson.core.JsonGenerator;
-import com.fasterxml.jackson.databind.JsonSerializer;
-import com.fasterxml.jackson.databind.SerializerProvider;
-import java.io.IOException;
-
-@SuppressWarnings("rawtypes")
-public class EnumSerializer extends JsonSerializer<Enum> {
-
-    @Override
-    public void serialize(Enum value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
-        gen.writeString(value.name());
-    }
-}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/IdentifierDeserializer.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/IdentifierDeserializer.java
deleted file mode 100644
index 0837b8a19..000000000
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/IdentifierDeserializer.java
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * ONAP : ccsdk features
- * ================================================================================
- * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
- * 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.features.sdnr.wt.dataprovider.yangtools.serialize;
-
-import com.fasterxml.jackson.databind.DeserializationContext;
-import com.fasterxml.jackson.databind.KeyDeserializer;
-import java.io.IOException;
-import java.lang.reflect.InvocationTargetException;
-import java.util.List;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.YangToolsMapperHelper;
-import org.opendaylight.yangtools.yang.common.Uint16;
-import org.opendaylight.yangtools.yang.common.Uint32;
-import org.opendaylight.yangtools.yang.common.Uint64;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class IdentifierDeserializer extends KeyDeserializer {
-
-    private static final Logger LOG = LoggerFactory.getLogger(IdentifierDeserializer.class);
-
-    public IdentifierDeserializer() {}
-
-    @Override
-    public Object deserializeKey(String key, DeserializationContext ctxt) throws IOException {
-        Class<?> clazz = ctxt.getClass();
-        final String arg = key;
-        LOG.debug("Deserialization for key:{}",key);
-        // find constructor argument types
-        List<Class<?>> ctypes = YangToolsMapperHelper.getConstructorParameterTypes(clazz, String.class);
-        for (Class<?> ctype : ctypes) {
-            try {
-                if (ctype.equals(String.class)) {
-                    return clazz.getConstructor(ctype).newInstance(arg);
-                } else if (ctype.equals(Uint16.class)) {
-                    return clazz.getConstructor(ctype).newInstance(Uint16.valueOf(arg));
-
-                } else if (ctype.equals(Uint32.class)) {
-                    return clazz.getConstructor(ctype).newInstance(Uint32.valueOf(arg));
-                } else if (ctype.equals(Uint64.class)) {
-                    return clazz.getConstructor(ctype).newInstance(Uint64.valueOf(arg));
-                }
-            } catch (InstantiationException | IllegalAccessException | IllegalArgumentException
-                    | InvocationTargetException | NoSuchMethodException | SecurityException e) {
-                LOG.warn("unable to instantiate class {} with arg {}: ", clazz, arg, e);
-                throw new IllegalArgumentException(
-                        "unable to instantiate class " + clazz.getName() + " with arg '" + arg + "' ", e);
-            }
-        }
-        return null;
-    }
-
-}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/MapSerializer.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/MapSerializer.java
deleted file mode 100644
index e5c966a74..000000000
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/MapSerializer.java
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * ONAP : ccsdk features
- * ================================================================================
- * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
- * 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.features.sdnr.wt.dataprovider.yangtools.serialize;
-
-import com.fasterxml.jackson.core.JsonGenerator;
-import com.fasterxml.jackson.databind.JsonSerializer;
-import com.fasterxml.jackson.databind.SerializerProvider;
-import java.io.IOException;
-import java.util.Map;
-
-@SuppressWarnings("rawtypes")
-public class MapSerializer extends JsonSerializer<Map> {
-
-        @Override
-        public void serialize(Map value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
-            gen.writeObject(value.values());
-        }
-}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/TypeObjectDeserializer.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/TypeObjectDeserializer.java
deleted file mode 100644
index 5beca0d47..000000000
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/TypeObjectDeserializer.java
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * ONAP : ccsdk features
- * ================================================================================
- * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
- * 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.features.sdnr.wt.dataprovider.yangtools.serialize;
-
-import com.fasterxml.jackson.core.JsonParser;
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.DeserializationContext;
-import com.fasterxml.jackson.databind.JavaType;
-import com.fasterxml.jackson.databind.JsonDeserializer;
-import java.io.IOException;
-import java.lang.reflect.InvocationTargetException;
-import java.util.NoSuchElementException;
-import java.util.Optional;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.YangToolsMapperHelper;
-import org.opendaylight.yangtools.concepts.Builder;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class TypeObjectDeserializer<T> extends JsonDeserializer<T> {
-
-    private static final Logger LOG = LoggerFactory.getLogger(TypeObjectDeserializer.class);
-    private final JavaType type;
-    private final JsonDeserializer<?> deser;
-
-
-    public TypeObjectDeserializer(final JavaType type, final JsonDeserializer<?> deser) {
-        this.type = type;
-        this.deser = deser;
-    }
-
-    @SuppressWarnings("unchecked")
-    @Override
-    public T deserialize(JsonParser parser, DeserializationContext ctxt) throws IOException, JsonProcessingException {
-
-        Class<T> clazz = (Class<T>) type.getRawClass();
-        final String arg = parser.getValueAsString();
-        LOG.debug("Try to build arg:'{}' with class {}",arg, clazz);
-        Optional<T> oRes = Optional.empty();
-        try {
-            //try get method for default instance
-            if ((oRes = YangToolsMapperHelper.getDefaultInstance(clazz, arg)).isEmpty()) {
-                //try to find builder with getDefaultInstance method
-                Optional<Class<Builder<?>>> oBuilderClazz = YangToolsMapperHelper.findBuilderClassOptional(ctxt, clazz);
-                LOG.debug("Try builder class present:{}",oBuilderClazz.isPresent());
-                if (oBuilderClazz.isEmpty()
-                        || ((oRes = YangToolsMapperHelper.getDefaultInstance(oBuilderClazz.get(), arg)).isEmpty())) {
-                    //try to find constructor with string
-                    LOG.debug("Try constructor");
-                    if ((oRes = YangToolsMapperHelper.getInstanceByConstructor(clazz, arg)).isEmpty()) {
-                        //forward to standard deserializer or throw if not available
-                        LOG.debug("Try default deserializer");
-                        oRes = Optional.of((T) deser.deserialize(parser, ctxt));
-                    }
-                }
-            }
-            LOG.debug("Deserialize string value:{} for class:{} success:{}", arg, clazz, oRes.isPresent());
-        } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException | NoSuchMethodException
-                | NoSuchElementException | SecurityException | InstantiationException e) {
-            LOG.warn("problem deserializing {} with value {}: {}", clazz.getName(), arg, e);
-        }
-        if (oRes.isPresent()) {
-            return oRes.get();
-        } else {
-            throw new IllegalArgumentException("Could not find constructor for arg:'" + arg + "' and class: " + clazz);
-        }
-    }
-
-}
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/TypeObjectSerializer.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/TypeObjectSerializer.java
deleted file mode 100644
index 1269d0746..000000000
--- a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/serialize/TypeObjectSerializer.java
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * ONAP : ccsdk features
- * ================================================================================
- * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
- * 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.features.sdnr.wt.dataprovider.yangtools.serialize;
-
-import com.fasterxml.jackson.core.JsonGenerator;
-import com.fasterxml.jackson.databind.JsonSerializer;
-import com.fasterxml.jackson.databind.SerializerProvider;
-import java.io.IOException;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-import org.opendaylight.yangtools.yang.binding.TypeObject;
-
-public class TypeObjectSerializer extends JsonSerializer<TypeObject> {
-
-    @Override
-    public void serialize(TypeObject value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
-        //stringValue
-        Method[] methods = value.getClass().getDeclaredMethods();
-        String name;
-        for (Method method : methods) {
-            name = method.getName();
-            if (name.equals("stringValue") || name.equals("getValue")) {
-                try {
-                    gen.writeString((String)method.invoke(value));
-                } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException
-                        | IOException e) {
-                    throw new IOException("No String getter method supported TypeObject for "+value.getClass(),e);
-                }
-            }
-        }
-    }
-}
diff --git a/sdnr/wt/data-provider/provider/src/main/resources/org/opendaylight/blueprint/impl-blueprint.xml b/sdnr/wt/data-provider/provider/src/main/resources/org/opendaylight/blueprint/impl-blueprint.xml
index ebb20fc7b..686af61d6 100644
--- a/sdnr/wt/data-provider/provider/src/main/resources/org/opendaylight/blueprint/impl-blueprint.xml
+++ b/sdnr/wt/data-provider/provider/src/main/resources/org/opendaylight/blueprint/impl-blueprint.xml
@@ -70,6 +70,15 @@
         </service-properties>
     </service>
 
+    <bean id="userdataServlet"
+          class="org.onap.ccsdk.features.sdnr.wt.dataprovider.http.UserdataHttpServlet">
+    </bean>
+    <service interface="javax.servlet.http.HttpServlet" ref="userdataServlet">
+        <service-properties>
+            <entry key="alias" value="/userdata"/>
+        </service-properties>
+    </service>
+
     <bean id="provider"
           class="org.onap.ccsdk.features.sdnr.wt.dataprovider.impl.DataProviderImpl"
           init-method="init" destroy-method="close">
@@ -77,6 +86,7 @@
         <property name="aboutServlet" ref="aboutServlet"/>
         <property name="treeServlet" ref="treeServlet"/>
         <property name="mediatorServerServlet" ref="msServlet"/>
+        <property name="userdataServlet" ref="userdataServlet"/>
     </bean>
 
     <bean id="yangServlet"