Merge "Refactor Delete Anchor functionality"

[cps.git] / cps-ri / src / main / java / org / onap / cps / spi / impl / CpsDataPersistenceServiceImpl.java

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 c6e28ab..ed414fc 100644 (file)
--- 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
@@ -2,7 +2,7 @@
  *  ============LICENSE_START=======================================================
  *  Copyright (C) 2021-2022 Nordix Foundation
  *  Modifications Copyright (C) 2021 Pantheon.tech
- *  Modifications Copyright (C) 2020-2021 Bell Canada.
+ *  Modifications Copyright (C) 2020-2022 Bell Canada.
  *  ================================================================================
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -48,6 +48,7 @@ import org.onap.cps.spi.entities.DataspaceEntity;
 import org.onap.cps.spi.entities.FragmentEntity;
 import org.onap.cps.spi.exceptions.AlreadyDefinedException;
 import org.onap.cps.spi.exceptions.ConcurrencyException;
+import org.onap.cps.spi.exceptions.CpsAdminException;
 import org.onap.cps.spi.exceptions.CpsPathException;
 import org.onap.cps.spi.exceptions.DataNodeNotFoundException;
 import org.onap.cps.spi.model.DataNode;
@@ -319,6 +320,14 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService
         fragmentRepository.save(parentEntity);
     }
 
+    @Override
+    @Transactional
+    public void deleteDataNodes(final String dataspaceName, final String anchorName) {
+        final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
+        anchorRepository.findByDataspaceAndName(dataspaceEntity, anchorName)
+            .ifPresent(
+                anchorEntity -> fragmentRepository.deleteByAnchorIn(Set.of(anchorEntity)));
+    }
 
     @Override
     @Transactional
@@ -384,6 +393,10 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService
     }
 
     private static String getListElementXpathPrefix(final Collection<DataNode> newListElements) {
+        if (newListElements.isEmpty()) {
+            throw new CpsAdminException("Invalid list replacement",
+                "Cannot replace list elements with empty collection");
+        }
         final String firstChildNodeXpath = newListElements.iterator().next().getXpath();
         return firstChildNodeXpath.substring(0, firstChildNodeXpath.lastIndexOf("[") + 1);
     }