Code to Interface: CmHandleQueries

- Extracting the interface CmHandleQueries using IDE intelligence
- Used intreface when mocking in the tests

Issue-ID: CPS-1240
Change-Id: I5f537eaac992c68b65468e344830a04f1dda7e45
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>

5 files changed, 183 insertions, 132 deletions

diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/inventory/CmHandleQueries.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/inventory/CmHandleQueries.java
index 569e91e2c9..daabbb56fa 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/inventory/CmHandleQueries.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/inventory/CmHandleQueries.java
@@ -20,37 +20,14 @@
 
 package org.onap.cps.ncmp.api.inventory;
 
-import static org.onap.cps.ncmp.api.impl.utils.YangDataConverter.convertYangModelCmHandleToNcmpServiceCmHandle;
-import static org.onap.cps.spi.FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS;
-import static org.onap.cps.spi.FetchDescendantsOption.OMIT_DESCENDANTS;
-
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
-import java.util.stream.Collectors;
-import lombok.RequiredArgsConstructor;
-import org.onap.cps.ncmp.api.impl.utils.YangDataConverter;
 import org.onap.cps.ncmp.api.models.NcmpServiceCmHandle;
-import org.onap.cps.spi.CpsDataPersistenceService;
 import org.onap.cps.spi.FetchDescendantsOption;
 import org.onap.cps.spi.model.DataNode;
-import org.springframework.stereotype.Component;
-
-@RequiredArgsConstructor
-@Component
-public class CmHandleQueries {
-
-    private static final String NCMP_DATASPACE_NAME = "NCMP-Admin";
-    private static final String NCMP_DMI_REGISTRY_ANCHOR = "ncmp-dmi-registry";
-
-    private final CpsDataPersistenceService cpsDataPersistenceService;
-    private static final Map<String, NcmpServiceCmHandle> NO_QUERY_TO_EXECUTE = null;
-    private static final String ANCESTOR_CM_HANDLES = "/ancestor::cm-handles";
 
+public interface CmHandleQueries {
 
     /**
      * Query CmHandles based on PublicProperties.
@@ -58,52 +35,17 @@ public class CmHandleQueries {
      * @param publicPropertyQueryPairs public properties for query
      * @return CmHandles which have these public properties
      */
-    public Map<String, NcmpServiceCmHandle> queryCmHandlePublicProperties(
-            final Map<String, String> publicPropertyQueryPairs) {
-        if (publicPropertyQueryPairs.isEmpty()) {
-            return Collections.emptyMap();
-        }
-        Map<String, NcmpServiceCmHandle> cmHandleIdToNcmpServiceCmHandles = null;
-        for (final Map.Entry<String, String> publicPropertyQueryPair : publicPropertyQueryPairs.entrySet()) {
-            final String cpsPath = "//public-properties[@name=\"" + publicPropertyQueryPair.getKey()
-                    + "\" and @value=\"" + publicPropertyQueryPair.getValue() + "\"]";
-
-            final Collection<DataNode> dataNodes = queryCmHandleDataNodesByCpsPath(cpsPath, INCLUDE_ALL_DESCENDANTS);
-            if (cmHandleIdToNcmpServiceCmHandles == null) {
-                cmHandleIdToNcmpServiceCmHandles = collectDataNodesToNcmpServiceCmHandles(dataNodes);
-            } else {
-                final Collection<String> cmHandleIdsToRetain = dataNodes.parallelStream()
-                        .map(dataNode -> dataNode.getLeaves().get("id").toString()).collect(Collectors.toSet());
-                cmHandleIdToNcmpServiceCmHandles.keySet().retainAll(cmHandleIdsToRetain);
-            }
-            if (cmHandleIdToNcmpServiceCmHandles.isEmpty()) {
-                break;
-            }
-        }
-        return cmHandleIdToNcmpServiceCmHandles;
-    }
+    Map<String, NcmpServiceCmHandle> queryCmHandlePublicProperties(Map<String, String> publicPropertyQueryPairs);
 
     /**
      * Combine Maps of CmHandles.
      *
-     * @param firstQuery first CmHandles Map
+     * @param firstQuery  first CmHandles Map
      * @param secondQuery second CmHandles Map
      * @return combined Map of CmHandles
      */
-    public Map<String, NcmpServiceCmHandle> combineCmHandleQueries(
-            final Map<String, NcmpServiceCmHandle> firstQuery,
-            final Map<String, NcmpServiceCmHandle> secondQuery) {
-        if (firstQuery == NO_QUERY_TO_EXECUTE && secondQuery == NO_QUERY_TO_EXECUTE) {
-            return NO_QUERY_TO_EXECUTE;
-        } else if (firstQuery == NO_QUERY_TO_EXECUTE) {
-            return secondQuery;
-        } else if (secondQuery == NO_QUERY_TO_EXECUTE) {
-            return firstQuery;
-        } else {
-            firstQuery.keySet().retainAll(secondQuery.keySet());
-            return firstQuery;
-        }
-    }
+    Map<String, NcmpServiceCmHandle> combineCmHandleQueries(Map<String, NcmpServiceCmHandle> firstQuery,
+            Map<String, NcmpServiceCmHandle> secondQuery);
 
     /**
      * Method which returns cm handles by the cm handles state.
@@ -111,10 +53,7 @@ public class CmHandleQueries {
      * @param cmHandleState cm handle state
      * @return a list of cm handles
      */
-    public List<DataNode> queryCmHandlesByState(final CmHandleState cmHandleState) {
-        return queryCmHandleDataNodesByCpsPath("//state[@cm-handle-state=\"" + cmHandleState + "\"]",
-            INCLUDE_ALL_DESCENDANTS);
-    }
+    List<DataNode> queryCmHandlesByState(CmHandleState cmHandleState);
 
     /**
      * Method to return data nodes representing the cm handles.
@@ -122,49 +61,24 @@ public class CmHandleQueries {
      * @param cpsPath cps path for which the cmHandle is requested
      * @return a list of data nodes representing the cm handles.
      */
-    public List<DataNode> queryCmHandleDataNodesByCpsPath(final String cpsPath,
-                                                          final FetchDescendantsOption fetchDescendantsOption) {
-        return cpsDataPersistenceService.queryDataNodes(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR,
-            cpsPath + ANCESTOR_CM_HANDLES, fetchDescendantsOption);
-    }
+    List<DataNode> queryCmHandleDataNodesByCpsPath(String cpsPath, FetchDescendantsOption fetchDescendantsOption);
 
     /**
      * Method to check the state of a cm handle with given id.
      *
-     * @param cmHandleId cm handle id
+     * @param cmHandleId            cm handle id
      * @param requiredCmHandleState the required state of the cm handle
      * @return a boolean, true if the state is equal to the required state
      */
-    public boolean cmHandleHasState(final String cmHandleId, final CmHandleState requiredCmHandleState) {
-        final DataNode stateDataNode = getCmHandleState(cmHandleId);
-        final String cmHandleStateAsString = (String) stateDataNode.getLeaves().get("cm-handle-state");
-        return CmHandleState.valueOf(cmHandleStateAsString).equals(requiredCmHandleState);
-    }
+    boolean cmHandleHasState(String cmHandleId, CmHandleState requiredCmHandleState);
 
     /**
      * Method which returns cm handles by the operational sync state of cm handle.
+     *
      * @param dataStoreSyncState sync state
      * @return a list of cm handles
      */
-    public List<DataNode> queryCmHandlesByOperationalSyncState(final DataStoreSyncState dataStoreSyncState) {
-        return queryCmHandleDataNodesByCpsPath("//state/datastores" + "/operational[@sync-state=\""
-                + dataStoreSyncState + "\"]", FetchDescendantsOption.OMIT_DESCENDANTS);
-    }
-
-    private Map<String, NcmpServiceCmHandle> collectDataNodesToNcmpServiceCmHandles(
-            final Collection<DataNode> dataNodes) {
-        final Map<String, NcmpServiceCmHandle> cmHandleIdToNcmpServiceCmHandle = new HashMap<>();
-        dataNodes.forEach(dataNode -> {
-            final NcmpServiceCmHandle ncmpServiceCmHandle = createNcmpServiceCmHandle(dataNode);
-            cmHandleIdToNcmpServiceCmHandle.put(ncmpServiceCmHandle.getCmHandleId(), ncmpServiceCmHandle);
-        });
-        return cmHandleIdToNcmpServiceCmHandle;
-    }
-
-    private NcmpServiceCmHandle createNcmpServiceCmHandle(final DataNode dataNode) {
-        return convertYangModelCmHandleToNcmpServiceCmHandle(YangDataConverter
-                .convertCmHandleToYangModel(dataNode, dataNode.getLeaves().get("id").toString()));
-    }
+    List<DataNode> queryCmHandlesByOperationalSyncState(DataStoreSyncState dataStoreSyncState);
 
     /**
      * Get all cm handles by DMI plugin identifier.
@@ -172,34 +86,5 @@ public class CmHandleQueries {
      * @param dmiPluginIdentifier DMI plugin identifier
      * @return set of cm handles
      */
-    public Set<NcmpServiceCmHandle> getCmHandlesByDmiPluginIdentifier(final String dmiPluginIdentifier) {
-        final Map<String, DataNode> cmHandleAsDataNodePerCmHandleId = new HashMap<>();
-        for (final ModelledDmiServiceLeaves modelledDmiServiceLeaf : ModelledDmiServiceLeaves.values()) {
-            for (final DataNode cmHandleAsDataNode: getCmHandlesByDmiPluginIdentifierAndDmiProperty(
-                    dmiPluginIdentifier,
-                    modelledDmiServiceLeaf.getLeafName())) {
-                cmHandleAsDataNodePerCmHandleId.put(
-                        cmHandleAsDataNode.getLeaves().get("id").toString(), cmHandleAsDataNode);
-            }
-        }
-        final Set<NcmpServiceCmHandle> ncmpServiceCmHandles = new HashSet<>(cmHandleAsDataNodePerCmHandleId.size());
-        cmHandleAsDataNodePerCmHandleId.values().forEach(
-                cmHandleAsDataNode -> ncmpServiceCmHandles.add(createNcmpServiceCmHandle(cmHandleAsDataNode)));
-        return ncmpServiceCmHandles;
-    }
-
-    private List<DataNode> getCmHandlesByDmiPluginIdentifierAndDmiProperty(final String dmiPluginIdentifier,
-                                                             final String dmiProperty) {
-        return cpsDataPersistenceService.queryDataNodes(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR,
-                "/dmi-registry/cm-handles[@" + dmiProperty + "='" + dmiPluginIdentifier + "']",
-                OMIT_DESCENDANTS);
-    }
-
-    private DataNode getCmHandleState(final String cmHandleId) {
-        final String xpath = "/dmi-registry/cm-handles[@id='" + cmHandleId + "']/state";
-        return cpsDataPersistenceService.getDataNode(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR,
-                xpath, OMIT_DESCENDANTS);
-    }
+    Set<NcmpServiceCmHandle> getCmHandlesByDmiPluginIdentifier(String dmiPluginIdentifier);
 }
-
-
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/inventory/CmHandleQueriesImpl.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/inventory/CmHandleQueriesImpl.java
new file mode 100644
index 0000000000..e9e2fcacff
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/inventory/CmHandleQueriesImpl.java
@@ -0,0 +1,168 @@
+/*
+ *  ============LICENSE_START=======================================================
+ *  Copyright (C) 2022 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.ncmp.api.inventory;
+
+import static org.onap.cps.ncmp.api.impl.utils.YangDataConverter.convertYangModelCmHandleToNcmpServiceCmHandle;
+import static org.onap.cps.spi.FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS;
+import static org.onap.cps.spi.FetchDescendantsOption.OMIT_DESCENDANTS;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+import lombok.RequiredArgsConstructor;
+import org.onap.cps.ncmp.api.impl.utils.YangDataConverter;
+import org.onap.cps.ncmp.api.models.NcmpServiceCmHandle;
+import org.onap.cps.spi.CpsDataPersistenceService;
+import org.onap.cps.spi.FetchDescendantsOption;
+import org.onap.cps.spi.model.DataNode;
+import org.springframework.stereotype.Component;
+
+@RequiredArgsConstructor
+@Component
+public class CmHandleQueriesImpl implements CmHandleQueries {
+
+    private static final String NCMP_DATASPACE_NAME = "NCMP-Admin";
+    private static final String NCMP_DMI_REGISTRY_ANCHOR = "ncmp-dmi-registry";
+
+    private final CpsDataPersistenceService cpsDataPersistenceService;
+    private static final Map<String, NcmpServiceCmHandle> NO_QUERY_TO_EXECUTE = null;
+    private static final String ANCESTOR_CM_HANDLES = "/ancestor::cm-handles";
+
+
+    @Override
+    public Map<String, NcmpServiceCmHandle> queryCmHandlePublicProperties(
+            final Map<String, String> publicPropertyQueryPairs) {
+        if (publicPropertyQueryPairs.isEmpty()) {
+            return Collections.emptyMap();
+        }
+        Map<String, NcmpServiceCmHandle> cmHandleIdToNcmpServiceCmHandles = null;
+        for (final Map.Entry<String, String> publicPropertyQueryPair : publicPropertyQueryPairs.entrySet()) {
+            final String cpsPath = "//public-properties[@name=\"" + publicPropertyQueryPair.getKey()
+                    + "\" and @value=\"" + publicPropertyQueryPair.getValue() + "\"]";
+
+            final Collection<DataNode> dataNodes = queryCmHandleDataNodesByCpsPath(cpsPath, INCLUDE_ALL_DESCENDANTS);
+            if (cmHandleIdToNcmpServiceCmHandles == null) {
+                cmHandleIdToNcmpServiceCmHandles = collectDataNodesToNcmpServiceCmHandles(dataNodes);
+            } else {
+                final Collection<String> cmHandleIdsToRetain = dataNodes.parallelStream()
+                        .map(dataNode -> dataNode.getLeaves().get("id").toString()).collect(Collectors.toSet());
+                cmHandleIdToNcmpServiceCmHandles.keySet().retainAll(cmHandleIdsToRetain);
+            }
+            if (cmHandleIdToNcmpServiceCmHandles.isEmpty()) {
+                break;
+            }
+        }
+        return cmHandleIdToNcmpServiceCmHandles;
+    }
+
+    @Override
+    public Map<String, NcmpServiceCmHandle> combineCmHandleQueries(final Map<String, NcmpServiceCmHandle> firstQuery,
+            final Map<String, NcmpServiceCmHandle> secondQuery) {
+        if (firstQuery == NO_QUERY_TO_EXECUTE && secondQuery == NO_QUERY_TO_EXECUTE) {
+            return NO_QUERY_TO_EXECUTE;
+        } else if (firstQuery == NO_QUERY_TO_EXECUTE) {
+            return secondQuery;
+        } else if (secondQuery == NO_QUERY_TO_EXECUTE) {
+            return firstQuery;
+        } else {
+            firstQuery.keySet().retainAll(secondQuery.keySet());
+            return firstQuery;
+        }
+    }
+
+    @Override
+    public List<DataNode> queryCmHandlesByState(final CmHandleState cmHandleState) {
+        return queryCmHandleDataNodesByCpsPath("//state[@cm-handle-state=\"" + cmHandleState + "\"]",
+            INCLUDE_ALL_DESCENDANTS);
+    }
+
+    @Override
+    public List<DataNode> queryCmHandleDataNodesByCpsPath(final String cpsPath,
+            final FetchDescendantsOption fetchDescendantsOption) {
+        return cpsDataPersistenceService.queryDataNodes(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR,
+            cpsPath + ANCESTOR_CM_HANDLES, fetchDescendantsOption);
+    }
+
+    @Override
+    public boolean cmHandleHasState(final String cmHandleId, final CmHandleState requiredCmHandleState) {
+        final DataNode stateDataNode = getCmHandleState(cmHandleId);
+        final String cmHandleStateAsString = (String) stateDataNode.getLeaves().get("cm-handle-state");
+        return CmHandleState.valueOf(cmHandleStateAsString).equals(requiredCmHandleState);
+    }
+
+    @Override
+    public List<DataNode> queryCmHandlesByOperationalSyncState(final DataStoreSyncState dataStoreSyncState) {
+        return queryCmHandleDataNodesByCpsPath("//state/datastores" + "/operational[@sync-state=\""
+                + dataStoreSyncState + "\"]", FetchDescendantsOption.OMIT_DESCENDANTS);
+    }
+
+    private Map<String, NcmpServiceCmHandle> collectDataNodesToNcmpServiceCmHandles(
+            final Collection<DataNode> dataNodes) {
+        final Map<String, NcmpServiceCmHandle> cmHandleIdToNcmpServiceCmHandle = new HashMap<>();
+        dataNodes.forEach(dataNode -> {
+            final NcmpServiceCmHandle ncmpServiceCmHandle = createNcmpServiceCmHandle(dataNode);
+            cmHandleIdToNcmpServiceCmHandle.put(ncmpServiceCmHandle.getCmHandleId(), ncmpServiceCmHandle);
+        });
+        return cmHandleIdToNcmpServiceCmHandle;
+    }
+
+    private NcmpServiceCmHandle createNcmpServiceCmHandle(final DataNode dataNode) {
+        return convertYangModelCmHandleToNcmpServiceCmHandle(YangDataConverter
+                .convertCmHandleToYangModel(dataNode, dataNode.getLeaves().get("id").toString()));
+    }
+
+    @Override
+    public Set<NcmpServiceCmHandle> getCmHandlesByDmiPluginIdentifier(final String dmiPluginIdentifier) {
+        final Map<String, DataNode> cmHandleAsDataNodePerCmHandleId = new HashMap<>();
+        for (final ModelledDmiServiceLeaves modelledDmiServiceLeaf : ModelledDmiServiceLeaves.values()) {
+            for (final DataNode cmHandleAsDataNode: getCmHandlesByDmiPluginIdentifierAndDmiProperty(
+                    dmiPluginIdentifier,
+                    modelledDmiServiceLeaf.getLeafName())) {
+                cmHandleAsDataNodePerCmHandleId.put(
+                        cmHandleAsDataNode.getLeaves().get("id").toString(), cmHandleAsDataNode);
+            }
+        }
+        final Set<NcmpServiceCmHandle> ncmpServiceCmHandles = new HashSet<>(cmHandleAsDataNodePerCmHandleId.size());
+        cmHandleAsDataNodePerCmHandleId.values().forEach(
+                cmHandleAsDataNode -> ncmpServiceCmHandles.add(createNcmpServiceCmHandle(cmHandleAsDataNode)));
+        return ncmpServiceCmHandles;
+    }
+
+    private List<DataNode> getCmHandlesByDmiPluginIdentifierAndDmiProperty(final String dmiPluginIdentifier,
+                                                             final String dmiProperty) {
+        return cpsDataPersistenceService.queryDataNodes(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR,
+                "/dmi-registry/cm-handles[@" + dmiProperty + "='" + dmiPluginIdentifier + "']",
+                OMIT_DESCENDANTS);
+    }
+
+    private DataNode getCmHandleState(final String cmHandleId) {
+        final String xpath = "/dmi-registry/cm-handles[@id='" + cmHandleId + "']/state";
+        return cpsDataPersistenceService.getDataNode(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR,
+                xpath, OMIT_DESCENDANTS);
+    }
+}
+
+
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyCmHandlerQueryServiceSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyCmHandlerQueryServiceSpec.groovy
index f1294ced7a..f76316f9cc 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyCmHandlerQueryServiceSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyCmHandlerQueryServiceSpec.groovy
@@ -21,8 +21,8 @@
 package org.onap.cps.ncmp.api.impl
 
 import org.onap.cps.cpspath.parser.PathParsingException
-import org.onap.cps.ncmp.api.inventory.InventoryPersistence
 import org.onap.cps.ncmp.api.inventory.CmHandleQueries
+import org.onap.cps.ncmp.api.inventory.InventoryPersistence
 import org.onap.cps.ncmp.api.models.NcmpServiceCmHandle
 import org.onap.cps.spi.FetchDescendantsOption
 import org.onap.cps.spi.exceptions.DataInUseException
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/inventory/CmHandleQueriesSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/inventory/CmHandleQueriesImplSpec.groovy
index 26b3613cd9..752b9f3ec2 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/inventory/CmHandleQueriesSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/inventory/CmHandleQueriesImplSpec.groovy
@@ -29,10 +29,10 @@ import spock.lang.Specification
 import static org.onap.cps.spi.FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS
 import static org.onap.cps.spi.FetchDescendantsOption.OMIT_DESCENDANTS
 
-class CmHandleQueriesSpec extends Specification {
+class CmHandleQueriesImplSpec extends Specification {
     def cpsDataPersistenceService = Mock(CpsDataPersistenceService)
 
-    def objectUnderTest = new CmHandleQueries(cpsDataPersistenceService)
+    def objectUnderTest = new CmHandleQueriesImpl(cpsDataPersistenceService)
 
     @Shared
     def static sampleDataNodes = [new DataNode()]
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/inventory/sync/SyncUtilsSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/inventory/sync/SyncUtilsSpec.groovy
index 6ccdcf12d3..f4176d6212 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/inventory/sync/SyncUtilsSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/inventory/sync/SyncUtilsSpec.groovy
@@ -26,12 +26,10 @@ import com.fasterxml.jackson.databind.ObjectMapper
 import org.onap.cps.ncmp.api.impl.operations.DmiDataOperations
 import org.onap.cps.ncmp.api.impl.operations.DmiOperations
 import org.onap.cps.ncmp.api.inventory.CmHandleQueries
-import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle
 import org.onap.cps.ncmp.api.inventory.CmHandleState
 import org.onap.cps.ncmp.api.inventory.CompositeState
 import org.onap.cps.ncmp.api.inventory.CompositeStateBuilder
 import org.onap.cps.ncmp.api.inventory.DataStoreSyncState
-import org.onap.cps.ncmp.api.inventory.InventoryPersistence
 import org.onap.cps.ncmp.api.inventory.LockReasonCategory
 import org.onap.cps.spi.FetchDescendantsOption
 import org.onap.cps.spi.model.DataNode