Performance Improvement:save cmhandles capability

- add saveCmHandleBatch in InventoryPersistence
- add saveListElementsBatch in CpsDataService
- have addListElementsBatch in CpsDataPersistenceService
- Test scenarios for the same

Issue-ID: CPS-1229
Issue-ID: CPS-1126
Change-Id: I0a1401818da5a4e523d7d0751cac6a526d1611b2
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>

2 files changed, 31 insertions, 0 deletions

diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/inventory/InventoryPersistence.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/inventory/InventoryPersistence.java
index c059ece0d3..7a7ef66668 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/inventory/InventoryPersistence.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/inventory/InventoryPersistence.java
@@ -27,8 +27,10 @@ import static org.onap.cps.spi.CascadeDeleteAllowed.CASCADE_DELETE_ALLOWED;
 import static org.onap.cps.spi.FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS;
 
 import java.time.OffsetDateTime;
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -157,6 +159,19 @@ public class InventoryPersistence {
     }
 
     /**
+     * Method to save batch of cm handles.
+     *
+     * @param yangModelCmHandles cm handle represented as Yang Models
+     */
+    public void saveCmHandleBatch(final Collection<YangModelCmHandle> yangModelCmHandles) {
+        final List<String> cmHandlesJsonData = new ArrayList<>();
+        yangModelCmHandles.forEach(yangModelCmHandle -> cmHandlesJsonData.add(
+                String.format("{\"cm-handles\":[%s]}", jsonObjectMapper.asJsonString(yangModelCmHandle))));
+        cpsDataService.saveListElementsBatch(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR,
+                NCMP_DMI_REGISTRY_PARENT, cmHandlesJsonData, NO_TIMESTAMP);
+    }
+
+    /**
      * Method to delete a list or a list element.
      *
      * @param listElementXpath list element xPath
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/inventory/InventoryPersistenceSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/inventory/InventoryPersistenceSpec.groovy
index 7ffec1ab09..76f10de831 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/inventory/InventoryPersistenceSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/inventory/InventoryPersistenceSpec.groovy
@@ -202,6 +202,22 @@ class InventoryPersistenceSpec extends Specification {
             }
     }
 
+    def 'Save Multiple Cmhandles'() {
+        given: 'cm handles represented as Yang Model'
+            def yangModelCmHandle1 = new YangModelCmHandle(id: 'cmhandle1')
+            def yangModelCmHandle2 = new YangModelCmHandle(id: 'cmhandle2')
+        when: 'the cm handles are saved'
+            objectUnderTest.saveCmHandleBatch([yangModelCmHandle1, yangModelCmHandle2])
+        then: 'CPS Data Service persists both cm handles as a batch'
+            1 * mockCpsDataService.saveListElementsBatch('NCMP-Admin','ncmp-dmi-registry','/dmi-registry',_,null) >> {
+                args -> {
+                    def jsonDataList = (args[3] as List)
+                    (jsonDataList[0] as String).contains('cmhandle1')
+                    (jsonDataList[0] as String).contains('cmhandle2')
+                }
+            }
+    }
+
     def 'Delete list or list elements'() {
         when: 'the method to delete list or list elements is called'
             objectUnderTest.deleteListOrListElement('sample xPath')