/*
- * ============LICENSE_START=======================================================
+ * ============LICENSE_START=======================================================
* Copyright (C) 2021 Nordix Foundation
* Modifications Copyright (C) 2021 Pantheon.tech
+ * Modifications Copyright (C) 2020-2021 Bell Canada.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
+ *
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
package org.onap.cps.spi.impl;
import static org.onap.cps.spi.FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS;
-import static org.onap.cps.spi.FetchDescendantsOption.OMIT_DESCENDANTS;
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;
import java.util.Map;
import java.util.Set;
+import java.util.regex.Pattern;
import java.util.stream.Collectors;
+import javax.transaction.Transactional;
+import org.onap.cps.cpspath.parser.CpsPathQuery;
+import org.onap.cps.cpspath.parser.CpsPathQueryType;
import org.onap.cps.spi.CpsDataPersistenceService;
import org.onap.cps.spi.FetchDescendantsOption;
import org.onap.cps.spi.entities.AnchorEntity;
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.CpsPathException;
import org.onap.cps.spi.model.DataNode;
import org.onap.cps.spi.model.DataNodeBuilder;
-import org.onap.cps.spi.query.CpsPathQuery;
import org.onap.cps.spi.repository.AnchorRepository;
import org.onap.cps.spi.repository.DataspaceRepository;
import org.onap.cps.spi.repository.FragmentRepository;
import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.dao.DataIntegrityViolationException;
import org.springframework.stereotype.Service;
@Service
private FragmentRepository fragmentRepository;
private static final Gson GSON = new GsonBuilder().create();
+ private static final String REG_EX_FOR_OPTIONAL_LIST_INDEX = "(\\[@\\S+?]){0,1})";
@Override
public void addChildDataNode(final String dataspaceName, final String anchorName, final String parentXpath,
final DataNode dataNode) {
final FragmentEntity parentFragment = getFragmentByXpath(dataspaceName, anchorName, parentXpath);
- final FragmentEntity fragmentEntity =
+ 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
public void storeDataNode(final String dataspaceName, final String anchorName, final DataNode dataNode) {
- final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
- final AnchorEntity anchorEntity = anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName);
- final FragmentEntity fragmentEntity = convertToFragmentWithAllDescendants(dataspaceEntity, anchorEntity,
+ final var dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
+ final var anchorEntity = anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName);
+ final var fragmentEntity = convertToFragmentWithAllDescendants(dataspaceEntity, anchorEntity,
dataNode);
- fragmentRepository.save(fragmentEntity);
+ try {
+ fragmentRepository.save(fragmentEntity);
+ } catch (final DataIntegrityViolationException exception) {
+ throw AlreadyDefinedException.forDataNode(dataNode.getXpath(), anchorName, exception);
+ }
}
/**
*/
private static FragmentEntity convertToFragmentWithAllDescendants(final DataspaceEntity dataspaceEntity,
final AnchorEntity anchorEntity, final DataNode dataNodeToBeConverted) {
- final FragmentEntity parentFragment = toFragmentEntity(dataspaceEntity, anchorEntity, dataNodeToBeConverted);
+ final var 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 FragmentEntity fragmentEntity = getFragmentByXpath(dataspaceName, anchorName, xpath);
+ final var fragmentEntity = getFragmentByXpath(dataspaceName, anchorName, xpath);
return toDataNode(fragmentEntity, fetchDescendantsOption);
}
private FragmentEntity getFragmentByXpath(final String dataspaceName, final String anchorName,
final String xpath) {
- final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
- final AnchorEntity anchorEntity = anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName);
- return fragmentRepository.getByDataspaceAndAnchorAndXpath(dataspaceEntity, anchorEntity, xpath);
+ final var dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
+ final var anchorEntity = anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName);
+ if (isRootXpath(xpath)) {
+ return fragmentRepository.findFirstRootByDataspaceAndAnchor(dataspaceEntity, anchorEntity);
+ } else {
+ return fragmentRepository.getByDataspaceAndAnchorAndXpath(dataspaceEntity, anchorEntity,
+ xpath);
+ }
}
@Override
- public List<DataNode> queryDataNodes(final String dataspaceName, final String anchorName, final String cpsPath) {
- final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
- final AnchorEntity anchorEntity = anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName);
- final CpsPathQuery cpsPathQuery = CpsPathQuery.createFrom(cpsPath);
- final List<FragmentEntity> fragmentEntities = fragmentRepository
- .getByAnchorAndXpathAndLeafAttributes(anchorEntity.getId(), cpsPathQuery
- .getXpathPrefix(), cpsPathQuery.getLeafName(), cpsPathQuery.getLeafValue());
+ 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 CpsPathQuery cpsPathQuery;
+ try {
+ cpsPathQuery = CpsPathQuery.createFrom(cpsPath);
+ } catch (final IllegalStateException e) {
+ throw new CpsPathException(e.getMessage());
+ }
+ List<FragmentEntity> fragmentEntities;
+ if (CpsPathQueryType.XPATH_LEAF_VALUE.equals(cpsPathQuery.getCpsPathQueryType())) {
+ fragmentEntities = fragmentRepository
+ .getByAnchorAndXpathAndLeafAttributes(anchorEntity.getId(), cpsPathQuery.getXpathPrefix(),
+ cpsPathQuery.getLeafName(), cpsPathQuery.getLeafValue());
+ } else if (CpsPathQueryType.XPATH_HAS_DESCENDANT_WITH_LEAF_VALUES.equals(cpsPathQuery.getCpsPathQueryType())) {
+ final String leafDataAsJson = GSON.toJson(cpsPathQuery.getLeavesData());
+ fragmentEntities = fragmentRepository
+ .getByAnchorAndDescendentNameAndLeafValues(anchorEntity.getId(), cpsPathQuery.getDescendantName(),
+ leafDataAsJson);
+ } else {
+ fragmentEntities = fragmentRepository
+ .getByAnchorAndXpathEndsInDescendantName(anchorEntity.getId(), cpsPathQuery.getDescendantName());
+ }
+ if (cpsPathQuery.hasAncestorAxis()) {
+ final Set<String> ancestorXpaths = processAncestorXpath(fragmentEntities, cpsPathQuery);
+ fragmentEntities = ancestorXpaths.isEmpty()
+ ? Collections.emptyList() : fragmentRepository.findAllByAnchorAndXpathIn(anchorEntity, ancestorXpaths);
+ }
return fragmentEntities.stream()
- .map(fragmentEntity -> toDataNode(fragmentEntity, OMIT_DESCENDANTS))
+ .map(fragmentEntity -> toDataNode(fragmentEntity, fetchDescendantsOption))
.collect(Collectors.toUnmodifiableList());
}
+ 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*");
+ for (final FragmentEntity fragmentEntity : fragmentEntities) {
+ final var matcher = pattern.matcher(fragmentEntity.getXpath());
+ if (matcher.matches()) {
+ ancestorXpath.add(matcher.group(1));
+ }
+ }
+ return ancestorXpath;
+ }
+
private static DataNode toDataNode(final FragmentEntity fragmentEntity,
final FetchDescendantsOption fetchDescendantsOption) {
final Map<String, Object> leaves = GSON.fromJson(fragmentEntity.getAttributes(), Map.class);
@Override
public void updateDataLeaves(final String dataspaceName, final String anchorName, final String xpath,
final Map<String, Object> leaves) {
- final FragmentEntity fragmentEntity = getFragmentByXpath(dataspaceName, anchorName, xpath);
+ final var 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 FragmentEntity fragmentEntity = getFragmentByXpath(dataspaceName, anchorName, dataNode.getXpath());
+ final var fragmentEntity = getFragmentByXpath(dataspaceName, anchorName, dataNode.getXpath());
removeExistingDescendants(fragmentEntity);
fragmentEntity.setAttributes(GSON.toJson(dataNode.getLeaves()));
fragmentRepository.save(fragmentEntity);
}
+ @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);
+ fragmentRepository.save(parentEntity);
+ }
+
+ private void removeListNodeDescendants(final FragmentEntity parentFragmentEntity, final String listNodeXpath) {
+ final String listNodeXpathPrefix = listNodeXpath + "[";
+ if (parentFragmentEntity.getChildFragments()
+ .removeIf(fragment -> fragment.getXpath().startsWith(listNodeXpathPrefix))) {
+ fragmentRepository.save(parentFragmentEntity);
+ }
+ }
+
private void removeExistingDescendants(final FragmentEntity fragmentEntity) {
fragmentEntity.setChildFragments(Collections.emptySet());
fragmentRepository.save(fragmentEntity);
}
+
+ private static boolean isRootXpath(final String xpath) {
+ return "/".equals(xpath) || "".equals(xpath);
+ }
}