import static org.onap.cps.spi.FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
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.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
+import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import javax.transaction.Transactional;
import org.onap.cps.spi.exceptions.AlreadyDefinedException;
import org.onap.cps.spi.exceptions.ConcurrencyException;
import org.onap.cps.spi.exceptions.CpsPathException;
+import org.onap.cps.spi.exceptions.DataNodeNotFoundException;
+import org.onap.cps.spi.exceptions.DataValidationException;
import org.onap.cps.spi.model.DataNode;
import org.onap.cps.spi.model.DataNodeBuilder;
import org.onap.cps.spi.repository.AnchorRepository;
private FragmentRepository fragmentRepository;
+ private final ObjectMapper objectMapper;
+
/**
* Constructor.
*
this.dataspaceRepository = dataspaceRepository;
this.anchorRepository = anchorRepository;
this.fragmentRepository = fragmentRepository;
+ objectMapper = new ObjectMapper();
}
private static final Gson GSON = new GsonBuilder().create();
- private static final String REG_EX_FOR_OPTIONAL_LIST_INDEX = "(\\[@\\S+?]){0,1})";
+ private static final String REG_EX_FOR_OPTIONAL_LIST_INDEX = "(\\[@[\\s\\S]+?]){0,1})";
+ private static final String REG_EX_FOR_LIST_NODE_KEY = "\\[(\\@([^/]*?)){0,99}( and)*\\]$";
@Override
public void addChildDataNode(final String dataspaceName, final String anchorName, final String parentXpath,
final DataNode dataNode) {
final FragmentEntity parentFragment = getFragmentByXpath(dataspaceName, anchorName, parentXpath);
- final var fragmentEntity =
+ final FragmentEntity fragmentEntity =
toFragmentEntity(parentFragment.getDataspace(), parentFragment.getAnchor(), dataNode);
parentFragment.getChildFragments().add(fragmentEntity);
try {
@Override
public void storeDataNode(final String dataspaceName, final String anchorName, final DataNode dataNode) {
- final var dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
- final var anchorEntity = anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName);
- final var fragmentEntity = convertToFragmentWithAllDescendants(dataspaceEntity, anchorEntity,
+ final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
+ final AnchorEntity anchorEntity = anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName);
+ final FragmentEntity fragmentEntity = convertToFragmentWithAllDescendants(dataspaceEntity, anchorEntity,
dataNode);
try {
fragmentRepository.save(fragmentEntity);
*/
private static FragmentEntity convertToFragmentWithAllDescendants(final DataspaceEntity dataspaceEntity,
final AnchorEntity anchorEntity, final DataNode dataNodeToBeConverted) {
- final var parentFragment = toFragmentEntity(dataspaceEntity, anchorEntity, dataNodeToBeConverted);
+ final FragmentEntity parentFragment = toFragmentEntity(dataspaceEntity, anchorEntity, dataNodeToBeConverted);
final Builder<FragmentEntity> childFragmentsImmutableSetBuilder = ImmutableSet.builder();
for (final DataNode childDataNode : dataNodeToBeConverted.getChildDataNodes()) {
final FragmentEntity childFragment =
@Override
public DataNode getDataNode(final String dataspaceName, final String anchorName, final String xpath,
final FetchDescendantsOption fetchDescendantsOption) {
- final var fragmentEntity = getFragmentByXpath(dataspaceName, anchorName, xpath);
+ final FragmentEntity fragmentEntity = getFragmentByXpath(dataspaceName, anchorName, xpath);
return toDataNode(fragmentEntity, fetchDescendantsOption);
}
private FragmentEntity getFragmentByXpath(final String dataspaceName, final String anchorName,
final String xpath) {
- final var dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
- final var anchorEntity = anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName);
+ final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
+ final AnchorEntity anchorEntity = anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName);
if (isRootXpath(xpath)) {
return fragmentRepository.findFirstRootByDataspaceAndAnchor(dataspaceEntity, anchorEntity);
} else {
@Override
public List<DataNode> queryDataNodes(final String dataspaceName, final String anchorName, final String cpsPath,
final FetchDescendantsOption fetchDescendantsOption) {
- final var dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
- final var anchorEntity = anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName);
+ final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
+ final AnchorEntity anchorEntity = anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName);
final CpsPathQuery cpsPathQuery;
try {
cpsPathQuery = CpsPathQuery.createFrom(cpsPath);
private static Set<String> processAncestorXpath(final List<FragmentEntity> fragmentEntities,
final CpsPathQuery cpsPathQuery) {
final Set<String> ancestorXpath = new HashSet<>();
- final var pattern =
- Pattern.compile("(\\S*\\/" + Pattern.quote(cpsPathQuery.getAncestorSchemaNodeIdentifier())
- + REG_EX_FOR_OPTIONAL_LIST_INDEX + "\\/\\S*");
+ final Pattern pattern =
+ Pattern.compile("([\\s\\S]*\\/" + Pattern.quote(cpsPathQuery.getAncestorSchemaNodeIdentifier())
+ + REG_EX_FOR_OPTIONAL_LIST_INDEX + "\\/[\\s\\S]*");
for (final FragmentEntity fragmentEntity : fragmentEntities) {
- final var matcher = pattern.matcher(fragmentEntity.getXpath());
+ final Matcher matcher = pattern.matcher(fragmentEntity.getXpath());
if (matcher.matches()) {
ancestorXpath.add(matcher.group(1));
}
return ancestorXpath;
}
- private static DataNode toDataNode(final FragmentEntity fragmentEntity,
+ private DataNode toDataNode(final FragmentEntity fragmentEntity,
final FetchDescendantsOption fetchDescendantsOption) {
- final Map<String, Object> leaves = GSON.fromJson(fragmentEntity.getAttributes(), Map.class);
final List<DataNode> childDataNodes = getChildDataNodes(fragmentEntity, fetchDescendantsOption);
+ Map<String, Object> leaves = new HashMap<>();
+ if (fragmentEntity.getAttributes() != null) {
+ try {
+ leaves = objectMapper.readValue(fragmentEntity.getAttributes(), Map.class);
+ } catch (final JsonProcessingException jsonProcessingException) {
+ final String message = "Parsing error occurred while processing fragmentEntity attributes.";
+ log.error(message);
+ throw new DataValidationException(message,
+ jsonProcessingException.getMessage(), jsonProcessingException);
+ }
+ }
return new DataNodeBuilder()
.withXpath(fragmentEntity.getXpath())
.withLeaves(leaves)
.withChildDataNodes(childDataNodes).build();
}
- private static List<DataNode> getChildDataNodes(final FragmentEntity fragmentEntity,
+ private List<DataNode> getChildDataNodes(final FragmentEntity fragmentEntity,
final FetchDescendantsOption fetchDescendantsOption) {
if (fetchDescendantsOption == INCLUDE_ALL_DESCENDANTS) {
return fragmentEntity.getChildFragments().stream()
@Override
public void updateDataLeaves(final String dataspaceName, final String anchorName, final String xpath,
final Map<String, Object> leaves) {
- final var fragmentEntity = getFragmentByXpath(dataspaceName, anchorName, xpath);
+ final FragmentEntity fragmentEntity = getFragmentByXpath(dataspaceName, anchorName, xpath);
fragmentEntity.setAttributes(GSON.toJson(leaves));
fragmentRepository.save(fragmentEntity);
}
@Override
- public void replaceDataNodeTree(final String dataspaceName, final String anchorName,
- final DataNode dataNode) {
- final var fragmentEntity = getFragmentByXpath(dataspaceName, anchorName, dataNode.getXpath());
+ public void replaceDataNodeTree(final String dataspaceName, final String anchorName, final DataNode dataNode) {
+ final FragmentEntity fragmentEntity = getFragmentByXpath(dataspaceName, anchorName, dataNode.getXpath());
replaceDataNodeTree(fragmentEntity, dataNode);
try {
fragmentRepository.save(fragmentEntity);
}
}
- private void replaceDataNodeTree(final FragmentEntity existingFragmentEntity, final DataNode submittedDataNode) {
+ private static void replaceDataNodeTree(final FragmentEntity existingFragmentEntity,
+ final DataNode submittedDataNode) {
existingFragmentEntity.setAttributes(GSON.toJson(submittedDataNode.getLeaves()));
final Map<String, FragmentEntity> existingChildrenByXpath = existingFragmentEntity.getChildFragments()
.stream().collect(Collectors.toMap(FragmentEntity::getXpath, childFragmentEntity -> childFragmentEntity));
- final var updatedChildFragments = new HashSet<FragmentEntity>();
+ final Collection<FragmentEntity> updatedChildFragments = new HashSet<>();
for (final DataNode submittedChildDataNode : submittedDataNode.getChildDataNodes()) {
final FragmentEntity childFragment;
- if (existingChildrenByXpath.containsKey(submittedChildDataNode.getXpath())) {
- childFragment = existingChildrenByXpath.get(submittedChildDataNode.getXpath());
- replaceDataNodeTree(childFragment, submittedChildDataNode);
- } else {
+ if (isNewDataNode(submittedChildDataNode, existingChildrenByXpath)) {
childFragment = convertToFragmentWithAllDescendants(
existingFragmentEntity.getDataspace(), existingFragmentEntity.getAnchor(), submittedChildDataNode);
+ } else {
+ childFragment = existingChildrenByXpath.get(submittedChildDataNode.getXpath());
+ replaceDataNodeTree(childFragment, submittedChildDataNode);
}
updatedChildFragments.add(childFragment);
}
- existingFragmentEntity.setChildFragments(updatedChildFragments);
+ existingFragmentEntity.getChildFragments().clear();
+ existingFragmentEntity.getChildFragments().addAll(updatedChildFragments);
}
@Override
@Transactional
public void replaceListDataNodes(final String dataspaceName, final String anchorName, final String parentNodeXpath,
- final Collection<DataNode> dataNodes) {
- final var parentEntity = getFragmentByXpath(dataspaceName, anchorName, parentNodeXpath);
- final var firstChildNodeXpath = dataNodes.iterator().next().getXpath();
- final var listNodeXpath = firstChildNodeXpath.substring(0, firstChildNodeXpath.lastIndexOf("["));
- removeListNodeDescendants(parentEntity, listNodeXpath);
- final Set<FragmentEntity> childFragmentEntities = dataNodes.stream().map(
- dataNode -> convertToFragmentWithAllDescendants(
- parentEntity.getDataspace(), parentEntity.getAnchor(), dataNode)
- ).collect(Collectors.toUnmodifiableSet());
- parentEntity.getChildFragments().addAll(childFragmentEntities);
+ final Collection<DataNode> replacementDataNodes) {
+ final FragmentEntity parentEntity = getFragmentByXpath(dataspaceName, anchorName, parentNodeXpath);
+ final String listNodeXpathPrefix = getListNodeXpathPrefix(replacementDataNodes);
+ final Map<String, FragmentEntity> existingListElementFragmentEntitiesByXPath =
+ extractListElementFragmentEntitiesByXPath(parentEntity.getChildFragments(), listNodeXpathPrefix);
+ removeExistingListElements(parentEntity.getChildFragments(), existingListElementFragmentEntitiesByXPath);
+ final Set<FragmentEntity> updatedChildFragmentEntities = new HashSet<>();
+ for (final DataNode replacementDataNode : replacementDataNodes) {
+ final FragmentEntity existingListNodeElementEntity =
+ existingListElementFragmentEntitiesByXPath.get(replacementDataNode.getXpath());
+ final FragmentEntity entityToBeAdded = getFragmentForReplacement(parentEntity, replacementDataNode,
+ existingListNodeElementEntity);
+
+ updatedChildFragmentEntities.add(entityToBeAdded);
+ }
+ parentEntity.getChildFragments().addAll(updatedChildFragmentEntities);
fragmentRepository.save(parentEntity);
}
+ private static void removeExistingListElements(
+ final Collection<FragmentEntity> fragmentEntities,
+ final Map<String, FragmentEntity> existingListElementFragmentEntitiesByXPath) {
+ fragmentEntities.removeAll(existingListElementFragmentEntitiesByXPath.values());
+ }
+
+ private static String getListNodeXpathPrefix(final Collection<DataNode> replacementDataNodes) {
+ final String firstChildNodeXpath = replacementDataNodes.iterator().next().getXpath();
+ return firstChildNodeXpath.substring(0, firstChildNodeXpath.lastIndexOf("[") + 1);
+ }
+
+ private static FragmentEntity getFragmentForReplacement(final FragmentEntity parentEntity,
+ final DataNode replacementDataNode,
+ final FragmentEntity existingListNodeElementEntity) {
+ if (existingListNodeElementEntity == null) {
+ return convertToFragmentWithAllDescendants(
+ parentEntity.getDataspace(), parentEntity.getAnchor(), replacementDataNode);
+ }
+ if (replacementDataNode.getChildDataNodes().isEmpty()) {
+ copyAttributesFromReplacementDataNode(existingListNodeElementEntity, replacementDataNode);
+ existingListNodeElementEntity.getChildFragments().clear();
+ } else {
+ replaceDataNodeTree(existingListNodeElementEntity, replacementDataNode);
+ }
+ return existingListNodeElementEntity;
+ }
+
+ private static boolean isNewDataNode(final DataNode replacementDataNode,
+ final Map<String, FragmentEntity> existingListNodeElementsByXpath) {
+ return !existingListNodeElementsByXpath.containsKey(replacementDataNode.getXpath());
+ }
+
+ private static void copyAttributesFromReplacementDataNode(final FragmentEntity existingListNodeElementEntity,
+ final DataNode replacementDataNode) {
+ final FragmentEntity replacementFragmentEntity =
+ FragmentEntity.builder().attributes(GSON.toJson(replacementDataNode.getLeaves())).build();
+ existingListNodeElementEntity.setAttributes(replacementFragmentEntity.getAttributes());
+ }
+
+ private static Map<String, FragmentEntity> extractListElementFragmentEntitiesByXPath(
+ final Set<FragmentEntity> childEntities, final String listNodeXpathPrefix) {
+ return childEntities.stream()
+ .filter(fragmentEntity -> fragmentEntity.getXpath().startsWith(listNodeXpathPrefix))
+ .collect(Collectors.toMap(FragmentEntity::getXpath, fragmentEntity -> fragmentEntity));
+ }
+
+ @Override
+ @Transactional
+ public void deleteListDataNodes(final String dataspaceName, final String anchorName, final String listNodeXpath) {
+ final String parentNodeXpath = listNodeXpath.substring(0, listNodeXpath.lastIndexOf('/'));
+ final FragmentEntity parentEntity = getFragmentByXpath(dataspaceName, anchorName, parentNodeXpath);
+ final String descendantNode = listNodeXpath.substring(listNodeXpath.lastIndexOf('/'));
+ final Matcher descendantNodeHasListNodeKey = Pattern.compile(REG_EX_FOR_LIST_NODE_KEY).matcher(descendantNode);
+
+ final boolean xpathPointsToAValidChildNodeWithKey = parentEntity.getChildFragments().stream().anyMatch(
+ fragment -> fragment.getXpath().equals(listNodeXpath));
+
+ final boolean xpathPointsToAValidChildNodeWithoutKey = parentEntity.getChildFragments().stream().anyMatch(
+ fragment -> fragment.getXpath().replaceAll(REG_EX_FOR_LIST_NODE_KEY, "").equals(listNodeXpath));
+
+ if ((descendantNodeHasListNodeKey.find() && xpathPointsToAValidChildNodeWithKey)
+ ||
+ (!descendantNodeHasListNodeKey.find() && xpathPointsToAValidChildNodeWithoutKey)) {
+ removeListNodeDescendants(parentEntity, listNodeXpath);
+ } else {
+ throw new DataNodeNotFoundException(parentEntity.getDataspace().getName(),
+ parentEntity.getAnchor().getName(), listNodeXpath);
+ }
+ }
+
private void removeListNodeDescendants(final FragmentEntity parentFragmentEntity, final String listNodeXpath) {
- final String listNodeXpathPrefix = listNodeXpath + "[";
+ final Matcher descendantNodeHasListNodeKey = Pattern.compile(REG_EX_FOR_LIST_NODE_KEY).matcher(listNodeXpath);
+ final String listNodeXpathPrefix = listNodeXpath + (descendantNodeHasListNodeKey.find() ? "" : "[");
if (parentFragmentEntity.getChildFragments()
.removeIf(fragment -> fragment.getXpath().startsWith(listNodeXpathPrefix))) {
fragmentRepository.save(parentFragmentEntity);