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-rw-r--r--cps-ri/src/main/java/org/onap/cps/spi/impl/CpsDataPersistenceServiceImpl.java110
-rw-r--r--cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepositoryCpsPathQueryImpl.java15
2 files changed, 85 insertions, 40 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 61e1d5b569..c13422dc4d 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
@@ -52,6 +52,7 @@ import org.onap.cps.spi.entities.FragmentEntity;
import org.onap.cps.spi.entities.SchemaSetEntity;
import org.onap.cps.spi.entities.YangResourceEntity;
import org.onap.cps.spi.exceptions.AlreadyDefinedException;
+import org.onap.cps.spi.exceptions.AlreadyDefinedExceptionBatch;
import org.onap.cps.spi.exceptions.ConcurrencyException;
import org.onap.cps.spi.exceptions.CpsAdminException;
import org.onap.cps.spi.exceptions.CpsPathException;
@@ -88,48 +89,82 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService
Pattern.compile("\\[(\\@([^\\/]{0,9999}))\\]$");
@Override
- @Transactional
public void addChildDataNode(final String dataspaceName, final String anchorName, final String parentNodeXpath,
final DataNode newChildDataNode) {
- addChildDataNodes(dataspaceName, anchorName, parentNodeXpath, Collections.singleton(newChildDataNode));
+ addNewChildDataNode(dataspaceName, anchorName, parentNodeXpath, newChildDataNode);
}
@Override
- @Transactional
public void addListElements(final String dataspaceName, final String anchorName, final String parentNodeXpath,
final Collection<DataNode> newListElements) {
- addChildDataNodes(dataspaceName, anchorName, parentNodeXpath, newListElements);
+ addChildrenDataNodes(dataspaceName, anchorName, parentNodeXpath, newListElements);
}
@Override
- @Transactional
- public void addListElementsBatch(final String dataspaceName, final String anchorName, final String parentNodeXpath,
- final Collection<Collection<DataNode>> newListsElements) {
+ public void addMultipleLists(final String dataspaceName, final String anchorName, final String parentNodeXpath,
+ final Collection<Collection<DataNode>> newLists) {
+ final Collection<String> failedXpaths = new HashSet<>();
+ newLists.forEach(newList -> {
+ try {
+ addChildrenDataNodes(dataspaceName, anchorName, parentNodeXpath, newList);
+ } catch (final AlreadyDefinedExceptionBatch e) {
+ failedXpaths.addAll(e.getAlreadyDefinedXpaths());
+ }
+ });
- newListsElements.forEach(
- newListElement -> addListElements(dataspaceName, anchorName, parentNodeXpath, newListElement));
+ if (!failedXpaths.isEmpty()) {
+ throw new AlreadyDefinedExceptionBatch(failedXpaths);
+ }
}
- private void addChildDataNodes(final String dataspaceName, final String anchorName, final String parentNodeXpath,
- final Collection<DataNode> newChildren) {
+ private void addNewChildDataNode(final String dataspaceName, final String anchorName,
+ final String parentNodeXpath, final DataNode newChild) {
final FragmentEntity parentFragmentEntity = getFragmentByXpath(dataspaceName, anchorName, parentNodeXpath);
+ final FragmentEntity newChildAsFragmentEntity =
+ convertToFragmentWithAllDescendants(parentFragmentEntity.getDataspace(),
+ parentFragmentEntity.getAnchor(), newChild);
+ newChildAsFragmentEntity.setParentId(parentFragmentEntity.getId());
+ try {
+ fragmentRepository.save(newChildAsFragmentEntity);
+ } catch (final DataIntegrityViolationException e) {
+ throw AlreadyDefinedException.forDataNode(newChild.getXpath(), anchorName, e);
+ }
+
+ }
+
+ private void addChildrenDataNodes(final String dataspaceName, final String anchorName, final String parentNodeXpath,
+ final Collection<DataNode> newChildren) {
+ final FragmentEntity parentFragmentEntity = getFragmentByXpath(dataspaceName, anchorName, parentNodeXpath);
+ final List<FragmentEntity> fragmentEntities = new ArrayList<>(newChildren.size());
try {
- final List<FragmentEntity> fragmentEntities = new ArrayList<>();
newChildren.forEach(newChildAsDataNode -> {
- final FragmentEntity newChildAsFragmentEntity = convertToFragmentWithAllDescendants(
- parentFragmentEntity.getDataspace(),
- parentFragmentEntity.getAnchor(),
- newChildAsDataNode);
+ final FragmentEntity newChildAsFragmentEntity =
+ convertToFragmentWithAllDescendants(parentFragmentEntity.getDataspace(),
+ parentFragmentEntity.getAnchor(), newChildAsDataNode);
newChildAsFragmentEntity.setParentId(parentFragmentEntity.getId());
fragmentEntities.add(newChildAsFragmentEntity);
});
fragmentRepository.saveAll(fragmentEntities);
- } catch (final DataIntegrityViolationException exception) {
- final List<String> conflictXpaths = newChildren.stream()
- .map(DataNode::getXpath)
- .collect(Collectors.toList());
- throw AlreadyDefinedException.forDataNodes(conflictXpaths, anchorName, exception);
+ } catch (final DataIntegrityViolationException e) {
+ log.warn("Exception occurred : {} , While saving : {} children, retrying using individual save operations",
+ e, fragmentEntities.size());
+ retrySavingEachChildIndividually(dataspaceName, anchorName, parentNodeXpath, newChildren);
+ }
+ }
+
+ private void retrySavingEachChildIndividually(final String dataspaceName, final String anchorName,
+ final String parentNodeXpath, final Collection<DataNode> newChildren) {
+ final Collection<String> failedXpaths = new HashSet<>();
+ for (final DataNode newChild : newChildren) {
+ try {
+ addNewChildDataNode(dataspaceName, anchorName, parentNodeXpath, newChild);
+ } catch (final AlreadyDefinedException e) {
+ failedXpaths.add(newChild.getXpath());
+ }
+ }
+ if (!failedXpaths.isEmpty()) {
+ throw new AlreadyDefinedExceptionBatch(failedXpaths);
}
}
@@ -199,8 +234,8 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService
} catch (final PathParsingException e) {
throw new CpsPathException(e.getMessage());
}
- return fragmentRepository.getByDataspaceAndAnchorAndXpath(dataspaceEntity, anchorEntity,
- normalizedXpath);
+
+ return fragmentRepository.getByDataspaceAndAnchorAndXpath(dataspaceEntity, anchorEntity, normalizedXpath);
}
}
@@ -310,8 +345,7 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService
} catch (final StaleStateException staleStateException) {
throw new ConcurrencyException("Concurrent Transactions",
String.format("dataspace :'%s', Anchor : '%s' and xpath: '%s' is updated by another transaction.",
- dataspaceName, anchorName, dataNode.getXpath()),
- staleStateException);
+ dataspaceName, anchorName, dataNode.getXpath()));
}
}
@@ -319,6 +353,7 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService
public void updateDataNodesAndDescendants(final String dataspaceName,
final String anchorName,
final List<DataNode> dataNodes) {
+
final Map<DataNode, FragmentEntity> dataNodeFragmentEntityMap = dataNodes.stream()
.collect(Collectors.toMap(
dataNode -> dataNode, dataNode -> getFragmentByXpath(dataspaceName, anchorName, dataNode.getXpath())));
@@ -327,10 +362,27 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService
try {
fragmentRepository.saveAll(dataNodeFragmentEntityMap.values());
} catch (final StaleStateException staleStateException) {
- throw new ConcurrencyException("Concurrent Transactions",
- String.format("A data node in dataspace :'%s' with Anchor : '%s' is updated by another transaction.",
- dataspaceName, anchorName),
- staleStateException);
+ retryUpdateDataNodesIndividually(dataspaceName, anchorName, dataNodeFragmentEntityMap.values());
+ }
+ }
+
+ private void retryUpdateDataNodesIndividually(final String dataspaceName, final String anchorName,
+ final Collection<FragmentEntity> fragmentEntities) {
+ final Collection<String> failedXpaths = new HashSet<>();
+
+ fragmentEntities.forEach(dataNodeFragment -> {
+ try {
+ fragmentRepository.save(dataNodeFragment);
+ } catch (final StaleStateException e) {
+ failedXpaths.add(dataNodeFragment.getXpath());
+ }
+ });
+
+ if (!failedXpaths.isEmpty()) {
+ final String failedXpathsConcatenated = String.join(",", failedXpaths);
+ throw new ConcurrencyException("Concurrent Transactions", String.format(
+ "DataNodes : %s in Dataspace :'%s' with Anchor : '%s' are updated by another transaction.",
+ failedXpathsConcatenated, dataspaceName, anchorName));
}
}
diff --git a/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepositoryCpsPathQueryImpl.java b/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepositoryCpsPathQueryImpl.java
index 4489cddd30..654c1c0854 100644
--- a/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepositoryCpsPathQueryImpl.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepositoryCpsPathQueryImpl.java
@@ -20,7 +20,6 @@
package org.onap.cps.spi.repository;
-import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@@ -29,12 +28,14 @@ import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import javax.transaction.Transactional;
import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
import org.onap.cps.cpspath.parser.CpsPathPrefixType;
import org.onap.cps.cpspath.parser.CpsPathQuery;
import org.onap.cps.spi.entities.FragmentEntity;
import org.onap.cps.utils.JsonObjectMapper;
@RequiredArgsConstructor
+@Slf4j
public class FragmentRepositoryCpsPathQueryImpl implements FragmentRepositoryCpsPathQuery {
public static final String REGEX_ABSOLUTE_PATH_PREFIX = ".*\\/";
@@ -62,16 +63,8 @@ public class FragmentRepositoryCpsPathQueryImpl implements FragmentRepositoryCps
addTextFunctionCondition(cpsPathQuery, sqlStringBuilder, queryParameters);
final Query query = entityManager.createNativeQuery(sqlStringBuilder.toString(), FragmentEntity.class);
setQueryParameters(query, queryParameters);
- return getFragmentEntitiesAsStream(query);
- }
-
- private List<FragmentEntity> getFragmentEntitiesAsStream(final Query query) {
- final List<FragmentEntity> fragmentEntities = new ArrayList<>();
- query.getResultStream().forEach(fragmentEntity -> {
- fragmentEntities.add((FragmentEntity) fragmentEntity);
- entityManager.detach(fragmentEntity);
- });
-
+ final List<FragmentEntity> fragmentEntities = query.getResultList();
+ log.debug("Fetched {} fragment entities by anchor and cps path.", fragmentEntities.size());
return fragmentEntities;
}