Create list-node elements (part1): CPS service and persistence layers

+ fix integrity violation exception exposed out of persistence layer
+ refactor CpsDataServiceImplSpec to eliminate repeated code

Issue-ID: CPS-360
Change-Id: Id70341fe54bf3c31af661f6aae04a7a80f4a1e9d
Signed-off-by: Ruslan Kashapov <ruslan.kashapov@pantheon.tech>

1 files changed, 25 insertions, 1 deletions

diff --git a/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsDataPersistenceServiceImpl.java b/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsDataPersistenceServiceImpl.java
index 343a0886b3..ae399a1381 100644
--- a/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsDataPersistenceServiceImpl.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsDataPersistenceServiceImpl.java
@@ -27,6 +27,7 @@ import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.ImmutableSet.Builder;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
@@ -73,7 +74,30 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService
         final var fragmentEntity =
             toFragmentEntity(parentFragment.getDataspace(), parentFragment.getAnchor(), dataNode);
         parentFragment.getChildFragments().add(fragmentEntity);
-        fragmentRepository.save(parentFragment);
+        try {
+            fragmentRepository.save(parentFragment);
+        } catch (final DataIntegrityViolationException exception) {
+            throw AlreadyDefinedException.forDataNode(dataNode.getXpath(), anchorName, exception);
+        }
+    }
+
+    @Override
+    public void addListDataNodes(final String dataspaceName, final String anchorName, final String parentNodeXpath,
+        final Collection<DataNode> dataNodes) {
+        final FragmentEntity parentFragment = getFragmentByXpath(dataspaceName, anchorName, parentNodeXpath);
+        final List<FragmentEntity> newFragmentEntities =
+            dataNodes.stream().map(
+                dataNode -> toFragmentEntity(parentFragment.getDataspace(), parentFragment.getAnchor(), dataNode)
+            ).collect(Collectors.toUnmodifiableList());
+        parentFragment.getChildFragments().addAll(newFragmentEntities);
+        try {
+            fragmentRepository.save(parentFragment);
+        } catch (final DataIntegrityViolationException exception) {
+            final List<String> conflictXpaths = dataNodes.stream()
+                .map(DataNode::getXpath)
+                .collect(Collectors.toList());
+            throw AlreadyDefinedException.forDataNodes(conflictXpaths, anchorName, exception);
+        }
     }
 
     @Override