Enhance batch operation performance with AlternateIdMatcher

  - used more efficient methos in AlternateIdMatcher to get cmHandleIds
  - removed getYangModelCmHandlesFromCmHandleReferences from InventoryPersistence class (unused + bad performance)

Issue-ID: CPS-2607
Change-Id: Ia1970435aec57cd12713958a910a9ced4511440b
Signed-off-by: leventecsanyi <levente.csanyi@est.tech>

6 files changed, 12 insertions, 41 deletions

diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/impl/data/DmiDataOperations.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/impl/data/DmiDataOperations.java
index 7cb1c44526..2a0d2f563c 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/impl/data/DmiDataOperations.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/impl/data/DmiDataOperations.java
@@ -50,6 +50,7 @@ import org.onap.cps.ncmp.impl.dmi.DmiRestClient;
 import org.onap.cps.ncmp.impl.inventory.InventoryPersistence;
 import org.onap.cps.ncmp.impl.inventory.models.YangModelCmHandle;
 import org.onap.cps.ncmp.impl.models.DmiRequestBody;
+import org.onap.cps.ncmp.impl.utils.AlternateIdMatcher;
 import org.onap.cps.ncmp.impl.utils.http.RestServiceUrlTemplateBuilder;
 import org.onap.cps.ncmp.impl.utils.http.UrlTemplateParameters;
 import org.onap.cps.utils.JsonObjectMapper;
@@ -69,6 +70,7 @@ import reactor.core.publisher.Mono;
 public class DmiDataOperations {
 
     private final InventoryPersistence inventoryPersistence;
+    private final AlternateIdMatcher alternateIdMatcher;
     private final JsonObjectMapper jsonObjectMapper;
     private final DmiProperties dmiProperties;
     private final DmiRestClient dmiRestClient;
@@ -140,10 +142,10 @@ public class DmiDataOperations {
                                            final String requestId,
                                            final String authorization)  {
 
-        final Set<String> cmHandlesReferences = getDistinctCmHandleReferences(dataOperationRequest);
+        final Set<String> cmHandleIds = getDistinctCmHandleIds(dataOperationRequest);
 
         final Collection<YangModelCmHandle> yangModelCmHandles
-            = inventoryPersistence.getYangModelCmHandlesFromCmHandleReferences(cmHandlesReferences);
+            = inventoryPersistence.getYangModelCmHandles(cmHandleIds);
 
         final Map<String, List<DmiDataOperation>> operationsOutPerDmiServiceName
                 = DmiDataOperationsHelper.processPerDefinitionInDataOperationsRequest(topicParamInQuery,
@@ -248,10 +250,11 @@ public class DmiDataOperations {
         }
     }
 
-    private static Set<String> getDistinctCmHandleReferences(final DataOperationRequest dataOperationRequest) {
+    private Set<String> getDistinctCmHandleIds(final DataOperationRequest dataOperationRequest) {
         return dataOperationRequest.getDataOperationDefinitions().stream()
-                .flatMap(dataOperationDefinition ->
-                        dataOperationDefinition.getCmHandleReferences().stream()).collect(Collectors.toSet());
+                .flatMap(it -> it.getCmHandleReferences().stream())
+                .map(alternateIdMatcher::getCmHandleId)
+                .collect(Collectors.toSet());
     }
 
     private void asyncSendMultipleRequest(final String requestId, final String topicParamInQuery,
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/impl/inventory/InventoryPersistence.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/impl/inventory/InventoryPersistence.java
index fb7ad6b116..6bb1bfc86c 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/impl/inventory/InventoryPersistence.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/impl/inventory/InventoryPersistence.java
@@ -73,14 +73,6 @@ public interface InventoryPersistence extends NcmpPersistence {
     Collection<YangModelCmHandle> getYangModelCmHandles(Collection<String> cmHandleIds);
 
     /**
-     * This method retrieves DMI service name, DMI properties and the state for a given list of cm handle references.
-     *
-     * @param cmHandleReferences a list of the ids of the cm handles
-     * @return collection of yang model cm handles
-     */
-    Collection<YangModelCmHandle> getYangModelCmHandlesFromCmHandleReferences(Collection<String> cmHandleReferences);
-
-    /**
      * Method to return module definitions by cmHandleId.
      *
      * @param cmHandleId cm handle ID
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/impl/inventory/InventoryPersistenceImpl.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/impl/inventory/InventoryPersistenceImpl.java
index cf98b31614..02e711287e 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/impl/inventory/InventoryPersistenceImpl.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/impl/inventory/InventoryPersistenceImpl.java
@@ -138,19 +138,6 @@ public class InventoryPersistenceImpl extends NcmpPersistenceImpl implements Inv
     }
 
     @Override
-    public Collection<YangModelCmHandle> getYangModelCmHandlesFromCmHandleReferences(
-        final Collection<String> cmHandleReferences) {
-
-        final String cpsPathForCmHandlesByReferences = getCpsPathForCmHandlesByReferences(cmHandleReferences);
-
-        final Collection<DataNode> cmHandlesAsDataNodes =
-            cmHandleQueryService.queryNcmpRegistryByCpsPath(
-                cpsPathForCmHandlesByReferences, INCLUDE_ALL_DESCENDANTS, cmHandleReferences.size());
-
-        return YangDataConverter.toYangModelCmHandles(cmHandlesAsDataNodes);
-    }
-
-    @Override
     public Collection<ModuleDefinition> getModuleDefinitionsByCmHandleId(final String cmHandleId) {
         return cpsModuleService.getModuleDefinitionsByAnchorName(NFP_OPERATIONAL_DATASTORE_DATASPACE_NAME, cmHandleId);
     }
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/impl/data/DmiDataOperationsSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/impl/data/DmiDataOperationsSpec.groovy
index 3dd2eabe21..37a9097f33 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/impl/data/DmiDataOperationsSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/impl/data/DmiDataOperationsSpec.groovy
@@ -109,7 +109,7 @@ class DmiDataOperationsSpec extends DmiOperationsBaseSpec {
 
     def 'Execute (async) data operation from DMI service.'() {
         given: 'collection of yang model cm Handles and data operation request'
-            mockYangModelCmHandleCollectionRetrieval([yangModelCmHandleProperty])
+            mockYangModelCmHandleRetrievalByCmHandleId([yangModelCmHandleProperty])
             def dataOperationBatchRequestJsonData = TestUtils.getResourceFileContent('dataOperationRequest.json')
             def dataOperationRequest = spiedJsonObjectMapper.convertJsonString(dataOperationBatchRequestJsonData, DataOperationRequest.class)
             dataOperationRequest.dataOperationDefinitions[0].cmHandleReferences = [cmHandleId]
@@ -126,7 +126,7 @@ class DmiDataOperationsSpec extends DmiOperationsBaseSpec {
 
     def 'Execute (async) data operation from DMI service with Exception.'() {
         given: 'collection of yang model cm Handles and data operation request'
-            mockYangModelCmHandleCollectionRetrieval([yangModelCmHandleProperty])
+            mockYangModelCmHandleRetrievalByCmHandleId([yangModelCmHandleProperty])
             def dataOperationBatchRequestJsonData = TestUtils.getResourceFileContent('dataOperationRequest.json')
             def dataOperationRequest = spiedJsonObjectMapper.convertJsonString(dataOperationBatchRequestJsonData, DataOperationRequest.class)
             dataOperationRequest.dataOperationDefinitions[0].cmHandleReferences = [cmHandleId]
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/impl/dmi/DmiOperationsBaseSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/impl/dmi/DmiOperationsBaseSpec.groovy
index 1edee4e355..c5c1397048 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/impl/dmi/DmiOperationsBaseSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/impl/dmi/DmiOperationsBaseSpec.groovy
@@ -59,9 +59,9 @@ abstract class DmiOperationsBaseSpec extends Specification {
         mockInventoryPersistence.getYangModelCmHandle(cmHandleId) >> yangModelCmHandle
     }
 
-    def mockYangModelCmHandleCollectionRetrieval(dmiProperties) {
+    def mockYangModelCmHandleRetrievalByCmHandleId(dmiProperties) {
         populateYangModelCmHandle(dmiProperties, '')
-        mockInventoryPersistence.getYangModelCmHandlesFromCmHandleReferences(_) >> [yangModelCmHandle]
+        mockInventoryPersistence.getYangModelCmHandles(_) >> [yangModelCmHandle]
     }
 
     def populateYangModelCmHandle(dmiProperties, moduleSetTag) {
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/impl/inventory/InventoryPersistenceImplSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/impl/inventory/InventoryPersistenceImplSpec.groovy
index 5619c5ac57..2b0997b523 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/impl/inventory/InventoryPersistenceImplSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/impl/inventory/InventoryPersistenceImplSpec.groovy
@@ -161,17 +161,6 @@ class InventoryPersistenceImplSpec extends Specification {
             assert results.size() == 0
     }
 
-    def "Retrieve multiple YangModelCmHandles using cm handle references"() {
-        given: 'the cps data service returns 2 data nodes from the DMI registry'
-            def dataNodes = [new DataNode(xpath: xpath, leaves: ['id': cmHandleId, 'alternate-id':alternateId]), new DataNode(xpath: xpath2, leaves: ['id': cmHandleId2,'alternate-id':alternateId2])]
-            mockCmHandleQueries.queryNcmpRegistryByCpsPath(_, INCLUDE_ALL_DESCENDANTS, _) >> dataNodes
-        when: 'retrieving the yang modelled cm handle'
-            def results = objectUnderTest.getYangModelCmHandlesFromCmHandleReferences([cmHandleId, cmHandleId2])
-        then: 'verify both have returned and cmhandleIds are correct'
-            assert results.size() == 2
-            assert results.id.containsAll([cmHandleId, cmHandleId2])
-    }
-
     def 'Get a Cm Handle Composite State'() {
         given: 'a valid cm handle id'
             def cmHandleId = 'Some-Cm-Handle'