Improve batch delete schemasets performance

- Bulk delete anchors and datanodes associated with schemasets.
  Improves de-registration performance by approx 10%

Issue-ID: CPS-1423
Signed-off-by: danielhanrahan <daniel.hanrahan@est.tech>
Change-Id: Ie38e8b4c64356bf5935d8c7a5d3f5bfa73fb1714

3 files changed, 42 insertions, 5 deletions

diff --git a/cps-service/src/test/groovy/org/onap/cps/api/impl/CpsAdminServiceImplSpec.groovy b/cps-service/src/test/groovy/org/onap/cps/api/impl/CpsAdminServiceImplSpec.groovy
index e7d4e4ddb..4e0349d2b 100755
--- a/cps-service/src/test/groovy/org/onap/cps/api/impl/CpsAdminServiceImplSpec.groovy
+++ b/cps-service/src/test/groovy/org/onap/cps/api/impl/CpsAdminServiceImplSpec.groovy
@@ -1,6 +1,6 @@
 /*
  *  ============LICENSE_START=======================================================
- *  Copyright (C) 2020-2022 Nordix Foundation
+ *  Copyright (C) 2020-2023 Nordix Foundation
  *  Modifications Copyright (C) 2020-2022 Bell Canada.
  *  Modifications Copyright (C) 2021 Pantheon.tech
  *  Modifications Copyright (C) 2022 TechMahindra Ltd.
@@ -79,6 +79,19 @@ class CpsAdminServiceImplSpec extends Specification {
             1 * mockCpsValidator.validateNameCharacters('someDataspace', 'someSchemaSet')
     }
 
+    def 'Retrieve all anchors for multiple schema-sets.'() {
+        given: 'that anchor is associated with the dataspace and schemasets'
+            def anchors = [new Anchor(), new Anchor()]
+            mockCpsAdminPersistenceService.getAnchors('someDataspace', _ as Collection<String>) >> anchors
+        when: 'get anchors is called for a dataspace name and schema set names'
+            def result = objectUnderTest.getAnchors('someDataspace', ['schemaSet1', 'schemaSet2'])
+        then: 'the collection provided by persistence service is returned as result'
+            result == anchors
+        and: 'the CpsValidator is called on the dataspace name and schema-set names'
+            1 * mockCpsValidator.validateNameCharacters('someDataspace')
+            1 * mockCpsValidator.validateNameCharacters(_)
+    }
+
     def 'Retrieve anchor for dataspace and provided anchor name.'() {
         given: 'that anchor name is associated with the dataspace'
             Anchor anchor = new Anchor()
@@ -118,6 +131,18 @@ class CpsAdminServiceImplSpec extends Specification {
             1 * mockCpsValidator.validateNameCharacters('someDataspace', 'someAnchor')
     }
 
+    def 'Delete multiple anchors.'() {
+        when: 'delete anchors is invoked'
+            objectUnderTest.deleteAnchors('someDataspace', ['anchor1', 'anchor2'])
+        then: 'delete data nodes is invoked on the data service with expected parameters'
+            1 * mockCpsDataService.deleteDataNodes('someDataspace', _ as Collection<String>, _ as OffsetDateTime)
+        and: 'the persistence service method is invoked with same parameters to delete anchor'
+            1 * mockCpsAdminPersistenceService.deleteAnchors('someDataspace',_ as Collection<String>)
+        and: 'the CpsValidator is called on the dataspace name and anchor names'
+            1 * mockCpsValidator.validateNameCharacters('someDataspace')
+            1 * mockCpsValidator.validateNameCharacters(_)
+    }
+
     def 'Query all anchor identifiers for a dataspace and module names.'() {
         given: 'the persistence service is invoked with the expected parameters and returns a list of anchors'
             mockCpsAdminPersistenceService.queryAnchors('some-dataspace-name', ['some-module-name']) >> [new Anchor(name:'some-anchor-identifier')]
diff --git a/cps-service/src/test/groovy/org/onap/cps/api/impl/CpsDataServiceImplSpec.groovy b/cps-service/src/test/groovy/org/onap/cps/api/impl/CpsDataServiceImplSpec.groovy
index 8bbf4e571..69b0c94f4 100644
--- a/cps-service/src/test/groovy/org/onap/cps/api/impl/CpsDataServiceImplSpec.groovy
+++ b/cps-service/src/test/groovy/org/onap/cps/api/impl/CpsDataServiceImplSpec.groovy
@@ -364,6 +364,19 @@ class CpsDataServiceImplSpec extends Specification {
             1 * mockCpsDataPersistenceService.deleteDataNodes(dataspaceName, anchorName)
     }
 
+    def 'Delete all data nodes for given dataspace and multiple anchors.'() {
+        given: 'schema set for given anchors and dataspace references test tree model'
+            setupSchemaSetMocks('test-tree.yang')
+        when: 'delete data node method is invoked with correct parameters'
+            objectUnderTest.deleteDataNodes(dataspaceName, ['anchor1', 'anchor2'], observedTimestamp)
+        then: 'data updated events are sent to notification service before the delete'
+            2 * mockNotificationService.processDataUpdatedEvent(dataspaceName, _, '/', Operation.DELETE, observedTimestamp)
+        and: 'the CpsValidator is called on the dataspace name and the anchor names'
+            2 * mockCpsValidator.validateNameCharacters(_)
+        and: 'the persistence service method is invoked with the correct parameters'
+            1 * mockCpsDataPersistenceService.deleteDataNodes(dataspaceName, _ as Collection<String>)
+    }
+
     def setupSchemaSetMocks(String... yangResources) {
         def mockYangTextSchemaSourceSet = Mock(YangTextSchemaSourceSet)
         mockYangTextSchemaSourceSetCache.get(dataspaceName, schemaSetName) >> mockYangTextSchemaSourceSet
diff --git a/cps-service/src/test/groovy/org/onap/cps/api/impl/CpsModuleServiceImplSpec.groovy b/cps-service/src/test/groovy/org/onap/cps/api/impl/CpsModuleServiceImplSpec.groovy
index 615d3af35..3884eda66 100644
--- a/cps-service/src/test/groovy/org/onap/cps/api/impl/CpsModuleServiceImplSpec.groovy
+++ b/cps-service/src/test/groovy/org/onap/cps/api/impl/CpsModuleServiceImplSpec.groovy
@@ -169,12 +169,11 @@ class CpsModuleServiceImplSpec extends Specification {
 
     def 'Delete multiple schema-sets when cascade is allowed.'() {
         given: '#numberOfAnchors anchors are associated with each schemaset'
-            mockCpsAdminService.getAnchors('my-dataspace', 'my-schemaset1') >> createAnchors(numberOfAnchors)
-            mockCpsAdminService.getAnchors('my-dataspace', 'my-schemaset2') >> createAnchors(numberOfAnchors)
+            mockCpsAdminService.getAnchors('my-dataspace', ['my-schemaset1', 'my-schemaset2']) >> createAnchors(numberOfAnchors * 2)
         when: 'schema set deletion is requested with cascade allowed'
             objectUnderTest.deleteSchemaSetsWithCascade('my-dataspace', ['my-schemaset1', 'my-schemaset2'])
-        then: 'anchor deletion is called 2 * #numberOfAnchors times'
-            (2 * numberOfAnchors) * mockCpsAdminService.deleteAnchor('my-dataspace', _)
+        then: 'anchor deletion is called #numberOfAnchors times'
+            mockCpsAdminService.deleteAnchors('my-dataspace', _)
         and: 'persistence service method is invoked with same parameters'
             mockCpsModulePersistenceService.deleteSchemaSets('my-dataspace', _)
         and: 'schema sets will be removed from the cache'