Upgrade parents to 2.5.4-SNAPSHOT

Code changes as a result of changes induced by ODL Chlorine SR1

Issue-ID: CCSDK-3856
Signed-off-by: Ravi Pendurty <ravi.pendurty@highstreet-technologies.com>
Change-Id: Ic08786f050e58bdb8371c8f8c25fb0db9f258cd4
Signed-off-by: Ravi Pendurty <ravi.pendurty@highstreet-technologies.com>

8 files changed, 659 insertions, 1 deletions

diff --git a/sdnr/wt/data-provider/model/pom.xml b/sdnr/wt/data-provider/model/pom.xml
index c683a7a05..56526ef50 100644
--- a/sdnr/wt/data-provider/model/pom.xml
+++ b/sdnr/wt/data-provider/model/pom.xml
@@ -22,13 +22,14 @@
   ~ ============LICENSE_END=======================================================
   ~
   -->
+
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <parent>
         <groupId>org.onap.ccsdk.parent</groupId>
         <artifactId>binding-parent</artifactId>
-        <version>2.5.3</version>
+        <version>2.5.4-SNAPSHOT</version>
         <relativePath/>
     </parent>
 
@@ -71,6 +72,11 @@
             <artifactId>jackson-databind</artifactId>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>org.json</groupId>
+            <artifactId>json</artifactId>
+            <scope>provided</scope>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/sdnr/wt/data-provider/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/model/BaseInventoryTreeProvider.java b/sdnr/wt/data-provider/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/model/BaseInventoryTreeProvider.java
new file mode 100644
index 000000000..3d7f82ebd
--- /dev/null
+++ b/sdnr/wt/data-provider/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/model/BaseInventoryTreeProvider.java
@@ -0,0 +1,206 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2023 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.model;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import org.onap.ccsdk.features.sdnr.wt.common.database.queries.SortOrder;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.types.DataTreeChildObject;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.types.DataTreeObject;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.InventoryEntity;
+import org.opendaylight.yangtools.yang.common.Uint32;
+
+public abstract class BaseInventoryTreeProvider implements InventoryTreeProvider {
+
+    private static final String INVENTORY_PROPERTY_TREELEVEL = "tree-level";
+    protected static final String INVENTORY_PROPERTY_NODEID = "node-id";
+    protected static final String INVENTORY_PROPERTY_UUID = "uuid";
+    protected static final String INVENTORY_PROPERTY_PARENTUUID = "parent-uuid";
+
+    protected abstract List<String> getAllNodeIds();
+
+    protected abstract List<InventoryEntity> search(String filter, String sortOrderProperty, SortOrder sortOrder);
+
+    protected abstract List<InventoryEntity> search(String filter, String nodeId, String parentUuid, String uuid,
+            String sortOrderProperty, SortOrder sortOrder);
+
+    protected abstract List<InventoryEntity> getItemsForNodes(List<String> nodeIds, String sortOrderProperty,
+            SortOrder sortOrder);
+
+
+    @Override
+    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);
+        }
+        //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);
+        }
+
+    }
+
+    /**
+     * Provide inventory list for a node, starting from element described by path
+     * @param nodeId node
+     * @param path describing element
+     * @param filter
+     * @return Inventory tree
+     */
+    private DataTreeObject readInventoryTreeForNode(String nodeId, List<String> path, String filter)
+            throws IOException {
+        DataTreeObject tree = new DataTreeObject(INVENTORY_PROPERTY_PARENTUUID, INVENTORY_PROPERTY_UUID);
+        //get parent uuid of path
+        final String parentUuid = path.size() > 1 ? path.get(path.size() - 2) : null;
+        //get uuid of path
+        final String uuid = path.size() > 0 ? path.get(path.size() - 1) : null;
+        List<InventoryEntity> matches =
+                this.search(filter, nodeId, parentUuid, uuid, INVENTORY_PROPERTY_TREELEVEL, SortOrder.ASCENDING);
+        //tree.a(subtreePath);
+        List<InventoryEntity> others =
+                this.search((String) null, nodeId, null, null, INVENTORY_PROPERTY_TREELEVEL, SortOrder.ASCENDING);
+        if (matches.size() > 0) {
+            int treeLevelToStart = (path == null || path.size() <= 0) ? 0 : path.size() - 1;
+            //build tree
+            //fill root elems
+            for (InventoryEntity hit : matches) {
+                if (hit.getTreeLevel().longValue() == treeLevelToStart) {
+                    tree.put(hit.getId(),
+                            new DataTreeChildObject(hit.getUuid(), true)
+                                    .setProperty(INVENTORY_PROPERTY_UUID, hit.getUuid())
+                                    .setProperty(INVENTORY_PROPERTY_PARENTUUID, hit.getParentUuid()));
+                }
+            }
+            for (InventoryEntity hit : others) {
+                if (hit.getTreeLevel().longValue() == treeLevelToStart) {
+                    tree.putIfNotExists(hit.getId(),
+                            new DataTreeChildObject(hit.getUuid(), false)
+                                    .setProperty(INVENTORY_PROPERTY_UUID, hit.getUuid())
+                                    .setProperty(INVENTORY_PROPERTY_PARENTUUID, hit.getParentUuid()));
+                }
+            }
+            //fill child elems
+            for (InventoryEntity hit : matches) {
+                if (hit.getTreeLevel().longValue() > treeLevelToStart) {
+                    tree.put(hit.getTreeLevel().longValue() - treeLevelToStart - 1, hit.getId(),
+                            new DataTreeChildObject(hit.getUuid(), true)
+                                    .setProperty(INVENTORY_PROPERTY_UUID, hit.getUuid())
+                                    .setProperty(INVENTORY_PROPERTY_PARENTUUID, hit.getParentUuid()));
+                }
+            }
+            for (InventoryEntity hit : others) {
+                if (hit.getTreeLevel().longValue() > treeLevelToStart) {
+                    tree.putIfNotExists(hit.getTreeLevel().longValue() - treeLevelToStart - 1, hit.getId(),
+                            new DataTreeChildObject(hit.getUuid(), false)
+                                    .setProperty(INVENTORY_PROPERTY_UUID, hit.getUuid())
+                                    .setProperty(INVENTORY_PROPERTY_PARENTUUID, hit.getParentUuid()));
+                }
+            }
+            tree.removeUnmatchedPaths();
+        }
+        return tree;
+    }
+
+    /**
+     * node will be root elements inventory information below from level-1
+     *
+     * @param filter
+     * @return
+     * @throws IOException
+     */
+    private DataTreeObject readInventoryTreeWithNode(String filter) throws IOException {
+        DataTreeObject tree = new DataTreeObject(INVENTORY_PROPERTY_PARENTUUID, INVENTORY_PROPERTY_UUID);
+
+        List<InventoryEntity> matches = this.search(filter, INVENTORY_PROPERTY_TREELEVEL, SortOrder.ASCENDING);
+        List<InventoryEntity> others = null;
+        if (matches.size() > 0) {
+            if (filter != null) {
+                //find all parents up to tree-level 0
+                String nodeId = "";
+                List<String> alreadyInList = new ArrayList<>();
+                for (InventoryEntity hit : matches) {
+                    nodeId = hit.getNodeId();
+                    if (alreadyInList.contains(nodeId)) {
+                        continue;
+                    }
+                    alreadyInList.add(nodeId);
+                    tree.put(nodeId,
+                            new DataTreeChildObject(nodeId, false).setProperty(INVENTORY_PROPERTY_UUID, nodeId));
+
+                }
+                others = this.getItemsForNodes(alreadyInList, INVENTORY_PROPERTY_TREELEVEL, SortOrder.ASCENDING);
+            } else {
+                List<String> nodeIds = this.getAllNodeIds();
+                for (String node : nodeIds) {
+                    tree.put(node, new DataTreeChildObject(node, false).setProperty(INVENTORY_PROPERTY_UUID, node));
+                }
+            }
+
+            //build tree
+            //fill root elems
+            for (InventoryEntity hit : matches) {
+                if (hit.getTreeLevel() == Uint32.ZERO) {
+                    tree.put(0, hit.getId(),
+                            new DataTreeChildObject(hit.getUuid(), true)
+                                    .setProperty(INVENTORY_PROPERTY_UUID, hit.getUuid())
+                                    .setProperty(INVENTORY_PROPERTY_PARENTUUID, hit.getNodeId()));
+                }
+            }
+            if (others != null) {
+                for (InventoryEntity hit : others) {
+                    if (hit.getTreeLevel() == Uint32.ZERO) {
+                        tree.putIfNotExists(0, hit.getId(),
+                                new DataTreeChildObject(hit.getUuid(), false)
+                                        .setProperty(INVENTORY_PROPERTY_UUID, hit.getUuid())
+                                        .setProperty(INVENTORY_PROPERTY_PARENTUUID, hit.getNodeId()));
+                    }
+                }
+            }
+            //fill child elements
+            for (InventoryEntity hit : matches) {
+                long treeLevel = hit.getTreeLevel().longValue();
+                if (treeLevel > 0) {
+                    tree.put(treeLevel, hit.getId(),
+                            new DataTreeChildObject(hit.getUuid(), true)
+                                    .setProperty(INVENTORY_PROPERTY_UUID, hit.getUuid())
+                                    .setProperty(INVENTORY_PROPERTY_PARENTUUID, hit.getParentUuid()));
+                }
+            }
+            if (others != null) {
+                for (InventoryEntity hit : others) {
+                    long treeLevel = hit.getTreeLevel().longValue();
+                    if (treeLevel > 0) {
+                        tree.putIfNotExists(treeLevel, hit.getId(),
+                                new DataTreeChildObject(hit.getUuid(), false)
+                                        .setProperty(INVENTORY_PROPERTY_UUID, hit.getUuid())
+                                        .setProperty(INVENTORY_PROPERTY_PARENTUUID, hit.getParentUuid()));
+                    }
+                }
+            }
+            tree.removeUnmatchedPaths();
+        }
+        return tree;
+    }
+}
diff --git a/sdnr/wt/data-provider/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/model/DatabaseDataProvider.java b/sdnr/wt/data-provider/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/model/DatabaseDataProvider.java
new file mode 100644
index 000000000..97b8b0de5
--- /dev/null
+++ b/sdnr/wt/data-provider/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/model/DatabaseDataProvider.java
@@ -0,0 +1,141 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * Update Copyright (C) 2021 Samsung Electronics 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.model;
+
+import java.io.IOException;
+import java.util.concurrent.TimeUnit;
+import org.onap.ccsdk.features.sdnr.wt.common.database.HtDatabaseClient;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateMaintenanceInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateMaintenanceOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateMediatorServerInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateMediatorServerOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateNetworkElementConnectionOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteMaintenanceInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteMaintenanceOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteMediatorServerInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteMediatorServerOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteNetworkElementConnectionInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteNetworkElementConnectionOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.EntityInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.NetworkElementConnectionEntity;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadCmlogListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadConnectionlogListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadEventlogListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadFaultcurrentListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadFaultlogListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadGuiCutThroughEntryOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadInventoryDeviceListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadInventoryListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadMaintenanceListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadMediatorServerListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadNetworkElementConnectionListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata15mDeviceListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata15mListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata15mLtpListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata24hDeviceListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata24hListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata24hLtpListOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadStatusOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateMaintenanceInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateMaintenanceOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateMediatorServerInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateMediatorServerOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateNetworkElementConnectionInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateNetworkElementConnectionOutputBuilder;
+
+
+public interface DatabaseDataProvider {
+
+    HtDatabaseClient getRawClient();
+
+    ReadFaultcurrentListOutputBuilder readFaultCurrentList(EntityInput input);
+
+    ReadFaultlogListOutputBuilder readFaultLogList(EntityInput input);
+
+    ReadCmlogListOutputBuilder readCMLogList(EntityInput input);
+
+    ReadMaintenanceListOutputBuilder readMaintenanceList(EntityInput input);
+
+    ReadMediatorServerListOutputBuilder readMediatorServerList(EntityInput input);
+
+    ReadNetworkElementConnectionListOutputBuilder readNetworkElementConnectionList(EntityInput input);
+
+    ReadInventoryListOutputBuilder readInventoryList(EntityInput input);
+
+    ReadConnectionlogListOutputBuilder readConnectionlogList(EntityInput input);
+
+    ReadEventlogListOutputBuilder readEventlogList(EntityInput input) throws IOException;
+
+    ReadPmdata15mListOutputBuilder readPmdata15mList(EntityInput input);
+
+    ReadPmdata24hListOutputBuilder readPmdata24hList(EntityInput input);
+
+    ReadPmdata15mLtpListOutputBuilder readPmdata15mLtpList(EntityInput input) throws IOException;
+
+    ReadPmdata15mDeviceListOutputBuilder readPmdata15mDeviceList(EntityInput input) throws IOException;
+
+    ReadPmdata24hLtpListOutputBuilder readPmdata24hLtpList(EntityInput input) throws IOException;
+
+    ReadPmdata24hDeviceListOutputBuilder readPmdata24hDeviceList(EntityInput input) throws IOException;
+
+    ReadStatusOutputBuilder readStatus(EntityInput input) throws IOException;
+
+    boolean waitForYellowDatabaseStatus(long timeout, TimeUnit unit);
+
+    CreateNetworkElementConnectionOutputBuilder createNetworkElementConnection(NetworkElementConnectionEntity input)
+            throws IOException;
+
+    UpdateNetworkElementConnectionOutputBuilder updateNetworkElementConnection(
+            UpdateNetworkElementConnectionInput input) throws IOException;
+
+    DeleteNetworkElementConnectionOutputBuilder deleteNetworkElementConnection(
+            DeleteNetworkElementConnectionInput input) throws IOException;
+
+    DeleteMediatorServerOutputBuilder deleteMediatorServer(DeleteMediatorServerInput input) throws IOException;
+
+    DeleteMaintenanceOutputBuilder deleteMaintenance(DeleteMaintenanceInput input) throws IOException;
+
+    UpdateMaintenanceOutputBuilder updateMaintenance(UpdateMaintenanceInput input) throws IOException;
+
+    UpdateMediatorServerOutputBuilder updateMediatorServer(UpdateMediatorServerInput input) throws IOException;
+
+    CreateMaintenanceOutputBuilder createMaintenance(CreateMaintenanceInput input) throws IOException;
+
+    CreateMediatorServerOutputBuilder createMediatorServer(CreateMediatorServerInput input) throws IOException;
+
+    ReadGuiCutThroughEntryOutputBuilder readGuiCutThroughEntry(EntityInput input);
+
+    DataProvider getDataProvider();
+
+    HtDatabaseMaintenance getHtDatabaseMaintenance();
+
+    HtDatabaseMediatorserver getHtDatabaseMediatorServer();
+
+    HtUserdataManager getUserManager();
+
+    InventoryTreeProvider getInventoryTreeProvider();
+
+    ReadInventoryDeviceListOutputBuilder readInventoryDeviceList(EntityInput input);
+
+}
diff --git a/sdnr/wt/data-provider/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/model/InventoryTreeProvider.java b/sdnr/wt/data-provider/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/model/InventoryTreeProvider.java
new file mode 100644
index 000000000..e9523418a
--- /dev/null
+++ b/sdnr/wt/data-provider/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/model/InventoryTreeProvider.java
@@ -0,0 +1,31 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2023 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.model;
+
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.types.DataTreeObject;
+
+import java.io.IOException;
+import java.util.List;
+
+public interface InventoryTreeProvider {
+    public DataTreeObject readInventoryTree(List<String> tree, String filter) throws IOException;
+}
diff --git a/sdnr/wt/data-provider/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/model/types/DataTreeChildObject.java b/sdnr/wt/data-provider/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/model/types/DataTreeChildObject.java
new file mode 100644
index 000000000..227020505
--- /dev/null
+++ b/sdnr/wt/data-provider/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/model/types/DataTreeChildObject.java
@@ -0,0 +1,155 @@
+/*
+ * ============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.model.types;
+
+import java.util.ArrayList;
+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 boolean isSearchMatch;
+    private final Map<String, DataTreeChildObject> children;
+    private final Map<String, Object> properties;
+
+    public DataTreeChildObject(String label, boolean isMatch, Map<String, DataTreeChildObject> children,
+            String ownSeverity, String childrenSeveritySummary) {
+        this.label = label;
+        this.isSearchMatch = isMatch;
+        this.children = children;
+        this.properties = new HashMap<>();
+    }
+
+    public DataTreeChildObject setProperty(String key, Object value) {
+        this.properties.put(key, value);
+        return this;
+    }
+
+    public DataTreeChildObject(String label, boolean isMatch) {
+        this(label, isMatch, new HashMap<>(), null, null);
+    }
+
+    public boolean isMatch() {
+        return this.isSearchMatch;
+    }
+
+    public Object getProperty(String key, Object defaultValue) {
+        return this.properties.getOrDefault(key, defaultValue);
+    }
+
+    public boolean putChild(long treeLevel, String id, DataTreeChildObject data, String parentKey, String childKey) {
+        Object itemValue;
+        Object itemValueToMatch = data.getProperty(parentKey, null);
+        if (itemValueToMatch == null) {
+            return false;
+        }
+        if (treeLevel > 0) {
+            if (this.children != null) {
+                for (DataTreeChildObject child : this.children.values()) {
+                    if (child.putChild(treeLevel - 1, id, data, parentKey, childKey)) {
+                        return true;
+                    }
+                }
+            }
+        } else {
+            itemValue = this.getProperty(childKey, null);
+            if (itemValue != null && itemValue.equals(itemValueToMatch)) {
+                this.children.put(id, data);
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public boolean putChildIfNotExists(long treeLevel, String id, DataTreeChildObject data, String parentKey,
+            String childKey) {
+        Object itemValue;
+        Object itemValueToMatch = data.getProperty(parentKey, null);
+        if (itemValueToMatch == null) {
+            return false;
+        }
+        if (treeLevel > 0) {
+            if (this.children != null) {
+                for (DataTreeChildObject child : this.children.values()) {
+                    if (child.putChildIfNotExists(treeLevel - 1, id, data, parentKey, childKey)) {
+                        return true;
+                    }
+                }
+            }
+        } else {
+            itemValue = this.getProperty(childKey, null);
+            if (itemValue != null && itemValue.equals(itemValueToMatch)) {
+                if (!this.children.containsKey(id)) {
+                    this.children.put(id, data);
+                }
+            }
+        }
+        return false;
+    }
+
+    public JSONObject toJSONObject() {
+        JSONObject o = new JSONObject();
+        o.put("label", this.label);
+        o.put("isMatch", this.isSearchMatch);
+        JSONObject c = new JSONObject();
+        if (this.children != null) {
+            for (Entry<String, DataTreeChildObject> entry : this.children.entrySet()) {
+                c.put(entry.getKey(), entry.getValue().toJSONObject());
+            }
+        }
+        o.put("children", c);
+        return o;
+    }
+
+    public boolean hasChildMatching() {
+        boolean match = false;
+        for (DataTreeChildObject child : this.children.values()) {
+            match = match || child.hasChildMatching() || this.isSearchMatch;
+            if (match) {
+                break;
+            }
+        }
+        return match;
+    }
+
+    public void removeUnmatchedPaths() {
+        List<String> toRemove = new ArrayList<>();
+        for (Entry<String, DataTreeChildObject> entry : this.children.entrySet()) {
+            if (!(entry.getValue().hasChildMatching() || entry.getValue().isSearchMatch)) {
+                toRemove.add(entry.getKey());
+            } else {
+                entry.getValue().removeUnmatchedPaths();
+            }
+        }
+        for (String key : toRemove) {
+            this.children.remove(key);
+        }
+    }
+
+    public boolean hasChildren() {
+        return this.children != null && !this.children.isEmpty();
+    }
+}
diff --git a/sdnr/wt/data-provider/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/model/types/DataTreeObject.java b/sdnr/wt/data-provider/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/model/types/DataTreeObject.java
new file mode 100644
index 000000000..c4b2b128d
--- /dev/null
+++ b/sdnr/wt/data-provider/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/model/types/DataTreeObject.java
@@ -0,0 +1,93 @@
+/*
+ * ============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.model.types;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import org.json.JSONObject;
+
+public class DataTreeObject extends HashMap<String, DataTreeChildObject> {
+
+    private static final long serialVersionUID = 1L;
+    private final String parentKey;
+    private final String childKey;
+
+    public DataTreeObject(String parentKey, String childKey) {
+        this.parentKey = parentKey;
+        this.childKey = childKey;
+    }
+
+    public void put(long treeLevel, String id, DataTreeChildObject data) {
+        for (DataTreeChildObject entry : this.values()) {
+            if (entry.putChild(treeLevel, id, data, this.parentKey, this.childKey)) {
+                break;
+            }
+        }
+    }
+
+    public void putIfNotExists(long treeLevel, String id, DataTreeChildObject data) {
+        for (DataTreeChildObject entry : this.values()) {
+            if (entry.putChildIfNotExists(treeLevel, id, data, this.parentKey, this.childKey)) {
+                break;
+            }
+        }
+    }
+
+    public void putIfNotExists(String id, DataTreeChildObject data) {
+        if (!this.containsKey(id)) {
+            this.put(id, data);
+        }
+    }
+
+    public String toJSON() {
+        JSONObject o = new JSONObject();
+        for (Entry<String, DataTreeChildObject> entry : this.entrySet()) {
+            o.put(entry.getKey(), entry.getValue().toJSONObject());
+        }
+        return o.toString();
+    }
+
+    public void 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);
+        }
+
+    }
+
+
+    public static String[] slice(String[] source, int start) {
+        String[] r = new String[source.length - start];
+        for (int i = 0; i < r.length; i++) {
+            r[i] = source[i + start];
+        }
+        return r;
+
+    }
+}
diff --git a/sdnr/wt/data-provider/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/model/types/YangHelper2.java b/sdnr/wt/data-provider/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/model/types/YangHelper2.java
index 423ebab0b..d0169ce06 100644
--- a/sdnr/wt/data-provider/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/model/types/YangHelper2.java
+++ b/sdnr/wt/data-provider/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/model/types/YangHelper2.java
@@ -29,6 +29,7 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import org.eclipse.jdt.annotation.NonNull;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.SortOrder;
 import org.opendaylight.yangtools.yang.binding.Identifiable;
 import org.opendaylight.yangtools.yang.binding.Identifier;
 import org.opendaylight.yangtools.yang.common.Uint16;
@@ -113,4 +114,9 @@ public class YangHelper2 {
         return org.opendaylight.yangtools.yang.binding.ScalarTypeObject.class;
     }
 
+    public static SortOrder getSortOrder(org.onap.ccsdk.features.sdnr.wt.common.database.queries.SortOrder sortOrder){
+        return sortOrder== org.onap.ccsdk.features.sdnr.wt.common.database.queries.SortOrder.ASCENDING?
+                SortOrder.Ascending:SortOrder.Descending;
+    }
+
 }
diff --git a/sdnr/wt/data-provider/model/src/main/yang/data-provider@2020-11-10.yang b/sdnr/wt/data-provider/model/src/main/yang/data-provider@2020-11-10.yang
index 72ac45a56..0c89b675b 100644
--- a/sdnr/wt/data-provider/model/src/main/yang/data-provider@2020-11-10.yang
+++ b/sdnr/wt/data-provider/model/src/main/yang/data-provider@2020-11-10.yang
@@ -2015,6 +2015,26 @@ module data-provider {
     }
   }
 
+ rpc read-inventory-device-list {
+    description
+      "Get list of mountpoints with inventory data";
+    input {
+      uses entity-input;
+    }
+    output {
+      container pagination {
+        uses pagination-output-g;
+        description
+          "The pagination details used by the provider to filter the data.";
+      }
+      leaf-list data {
+        type string;
+        description
+          "The list of found mountpoint names.";
+      }
+    }
+  }
+
   rpc read-status {
     description
       "Read status information of controller";