Performance Improvement: Fix Insert Yang Resource IDs (Schemset)

- Add robustness to handle insertion/get of empty collection
- Fix business logic to pass down ALL module references during module Sync
- Update Java doc etc to clarify ALL module references are needed (not just new)

Issue-ID: CPS-1246
Issue-ID: CPS-1126
Signed-off-by: ToineSiebelink <toine.siebelink@est.tech>
Change-Id: Ic8ff4bdfef646e98ef61a6732c6d5ecb4b762e29

3 files changed, 27 insertions, 4 deletions

diff --git a/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsModulePersistenceServiceImpl.java b/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsModulePersistenceServiceImpl.java
index e9e945a49e..400e9b3e83 100755
--- a/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsModulePersistenceServiceImpl.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsModulePersistenceServiceImpl.java
@@ -162,14 +162,14 @@ public class CpsModulePersistenceServiceImpl implements CpsModulePersistenceServ
         @Backoff(random = true, delay = 200, maxDelay = 2000, multiplier = 2))
     public void storeSchemaSetFromModules(final String dataspaceName, final String schemaSetName,
                                           final Map<String, String> newModuleNameToContentMap,
-                                          final Collection<ModuleReference> moduleReferences) {
+                                          final Collection<ModuleReference> allModuleReferences) {
         storeSchemaSet(dataspaceName, schemaSetName, newModuleNameToContentMap);
         final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
         final SchemaSetEntity schemaSetEntity =
                 schemaSetRepository.getByDataspaceAndName(dataspaceEntity, schemaSetName);
-        final List<Long> listOfYangResourceIds =
-            yangResourceRepository.getResourceIdsByModuleReferences(moduleReferences);
-        yangResourceRepository.insertSchemaSetIdYangResourceId(schemaSetEntity.getId(), listOfYangResourceIds);
+        final List<Long> allYangResourceIds =
+            yangResourceRepository.getResourceIdsByModuleReferences(allModuleReferences);
+        yangResourceRepository.insertSchemaSetIdYangResourceId(schemaSetEntity.getId(), allYangResourceIds);
     }
 
     @Override
diff --git a/cps-ri/src/main/java/org/onap/cps/spi/repository/YangResourceNativeRepositoryImpl.java b/cps-ri/src/main/java/org/onap/cps/spi/repository/YangResourceNativeRepositoryImpl.java
index 485f839bf6..850b274c91 100644
--- a/cps-ri/src/main/java/org/onap/cps/spi/repository/YangResourceNativeRepositoryImpl.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/repository/YangResourceNativeRepositoryImpl.java
@@ -21,6 +21,7 @@
 package org.onap.cps.spi.repository;
 
 import java.util.Collection;
+import java.util.Collections;
 import java.util.List;
 import java.util.StringJoiner;
 import javax.persistence.EntityManager;
@@ -42,6 +43,9 @@ public class YangResourceNativeRepositoryImpl implements YangResourceNativeRepos
     @Override
     @Transactional
     public List<Long> getResourceIdsByModuleReferences(final Collection<ModuleReference> moduleReferences) {
+        if (moduleReferences.isEmpty()) {
+            return Collections.emptyList();
+        }
         final Query query = entityManager.createNativeQuery(getCombinedSelectSqlQuery(moduleReferences))
             .unwrap(org.hibernate.query.NativeQuery.class)
             .addScalar("id", StandardBasicTypes.LONG);
diff --git a/cps-ri/src/test/groovy/org/onap/cps/spi/impl/CpsModulePersistenceServiceIntegrationSpec.groovy b/cps-ri/src/test/groovy/org/onap/cps/spi/impl/CpsModulePersistenceServiceIntegrationSpec.groovy
index eac28873e7..f9ebc52f18 100644
--- a/cps-ri/src/test/groovy/org/onap/cps/spi/impl/CpsModulePersistenceServiceIntegrationSpec.groovy
+++ b/cps-ri/src/test/groovy/org/onap/cps/spi/impl/CpsModulePersistenceServiceIntegrationSpec.groovy
@@ -31,8 +31,10 @@ import org.onap.cps.spi.model.ModuleReference
 import org.onap.cps.spi.repository.AnchorRepository
 import org.onap.cps.spi.repository.SchemaSetRepository
 import org.onap.cps.spi.repository.SchemaSetYangResourceRepositoryImpl
+import org.onap.cps.spi.repository.YangResourceRepository
 import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.test.context.jdbc.Sql
+import spock.lang.Ignore
 
 class CpsModulePersistenceServiceIntegrationSpec extends CpsPersistenceSpecBase {
 
@@ -48,6 +50,9 @@ class CpsModulePersistenceServiceIntegrationSpec extends CpsPersistenceSpecBase
     @Autowired
     CpsAdminPersistenceService cpsAdminPersistenceService
 
+    @Autowired
+    YangResourceRepository yangResourceRepository
+
     final static String SET_DATA = '/data/schemaset.sql'
 
     def static EXISTING_SCHEMA_SET_NAME = SCHEMA_SET_NAME1
@@ -77,6 +82,20 @@ class CpsModulePersistenceServiceIntegrationSpec extends CpsPersistenceSpecBase
     }
 
     @Sql([CLEAR_DATA, SET_DATA])
+    def 'Getting yang resource ids from module references'() {
+        when: 'getting yang resources for #scenario'
+            def result = yangResourceRepository.getResourceIdsByModuleReferences(moduleReferences)
+        then: 'the result contains the expected number entries'
+            assert result.size() == expectedResultSize
+        where: 'the following module references are provided'
+            scenario                                 | moduleReferences                                                                                                 || expectedResultSize
+            '2 valid module references'              | [ new ModuleReference('MODULE-NAME-002','REVISION-002'), new ModuleReference('MODULE-NAME-003','REVISION-002') ] || 2
+            '1 invalid module reference'             | [ new ModuleReference('NOT EXIST','IRRELEVANT') ]                                                                || 0
+            '1 valid and 1 invalid module reference' | [ new ModuleReference('MODULE-NAME-002','REVISION-002'), new ModuleReference('NOT EXIST','IRRELEVANT') ]         || 1
+            'no module references'                   | []                                                                                                               || 0
+    }
+
+    @Sql([CLEAR_DATA, SET_DATA])
     def 'Store schema set error scenario: #scenario.'() {
         when: 'attempt to store schema set #schemaSetName in dataspace #dataspaceName'
             objectUnderTest.storeSchemaSet(dataspaceName, schemaSetName, newYangResourcesNameToContentMap)