X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=cps-ri%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fcps%2Fspi%2Fimpl%2FCpsDataPersistenceServiceImpl.java;h=c3b8adb5dd4dd9770be8a5bbd5ecd9105a49506c;hb=ad9b701a00c237ae8e462de76b500c8612866da6;hp=5b310efd5d54042507d39d2c37c9d5d3c7e4d444;hpb=f965c8eefcf21ceaeff1be461bc51269e1d36715;p=cps.git 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 5b310efd5..c3b8adb5d 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 @@ -3,7 +3,7 @@ * Copyright (C) 2021-2023 Nordix Foundation * Modifications Copyright (C) 2021 Pantheon.tech * Modifications Copyright (C) 2020-2022 Bell Canada. - * Modifications Copyright (C) 2022 TechMahindra Ltd. + * Modifications Copyright (C) 2022-2023 TechMahindra Ltd. * ================================================================================ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -23,8 +23,11 @@ package org.onap.cps.spi.impl; +import static org.onap.cps.spi.PaginationOption.NO_PAGINATION; + import com.google.common.collect.ImmutableSet; import com.google.common.collect.ImmutableSet.Builder; +import io.micrometer.core.annotation.Timed; import java.io.Serializable; import java.util.ArrayList; import java.util.Collection; @@ -46,22 +49,20 @@ import org.onap.cps.cpspath.parser.CpsPathUtil; import org.onap.cps.cpspath.parser.PathParsingException; import org.onap.cps.spi.CpsDataPersistenceService; import org.onap.cps.spi.FetchDescendantsOption; +import org.onap.cps.spi.PaginationOption; 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.entities.FragmentEntityArranger; -import org.onap.cps.spi.entities.FragmentExtract; 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; import org.onap.cps.spi.exceptions.DataNodeNotFoundException; +import org.onap.cps.spi.exceptions.DataNodeNotFoundExceptionBatch; import org.onap.cps.spi.model.DataNode; import org.onap.cps.spi.model.DataNodeBuilder; import org.onap.cps.spi.repository.AnchorRepository; import org.onap.cps.spi.repository.DataspaceRepository; -import org.onap.cps.spi.repository.FragmentQueryBuilder; import org.onap.cps.spi.repository.FragmentRepository; import org.onap.cps.spi.utils.SessionManager; import org.onap.cps.utils.JsonObjectMapper; @@ -79,138 +80,116 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService private final JsonObjectMapper jsonObjectMapper; private final SessionManager sessionManager; - private static final String REG_EX_FOR_OPTIONAL_LIST_INDEX = "(\\[@[\\s\\S]+?]){0,1})"; - - @Override - public void addChildDataNode(final String dataspaceName, final String anchorName, final String parentNodeXpath, - final DataNode newChildDataNode) { - addNewChildDataNode(dataspaceName, anchorName, parentNodeXpath, newChildDataNode); - } + private static final String REG_EX_FOR_OPTIONAL_LIST_INDEX = "(\\[@.+?])?)"; @Override public void addChildDataNodes(final String dataspaceName, final String anchorName, final String parentNodeXpath, final Collection dataNodes) { - addChildrenDataNodes(dataspaceName, anchorName, parentNodeXpath, dataNodes); + final AnchorEntity anchorEntity = getAnchorEntity(dataspaceName, anchorName); + addChildrenDataNodes(anchorEntity, parentNodeXpath, dataNodes); } @Override public void addListElements(final String dataspaceName, final String anchorName, final String parentNodeXpath, final Collection newListElements) { - addChildrenDataNodes(dataspaceName, anchorName, parentNodeXpath, newListElements); + final AnchorEntity anchorEntity = getAnchorEntity(dataspaceName, anchorName); + addChildrenDataNodes(anchorEntity, parentNodeXpath, newListElements); } @Override public void addMultipleLists(final String dataspaceName, final String anchorName, final String parentNodeXpath, final Collection> newLists) { + final AnchorEntity anchorEntity = getAnchorEntity(dataspaceName, anchorName); final Collection failedXpaths = new HashSet<>(); - newLists.forEach(newList -> { + for (final Collection newList : newLists) { try { - addChildrenDataNodes(dataspaceName, anchorName, parentNodeXpath, newList); - } catch (final AlreadyDefinedExceptionBatch e) { - failedXpaths.addAll(e.getAlreadyDefinedXpaths()); + addChildrenDataNodes(anchorEntity, parentNodeXpath, newList); + } catch (final AlreadyDefinedException alreadyDefinedException) { + failedXpaths.addAll(alreadyDefinedException.getAlreadyDefinedObjectNames()); } - }); - + } if (!failedXpaths.isEmpty()) { - throw new AlreadyDefinedExceptionBatch(failedXpaths); + throw AlreadyDefinedException.forDataNodes(failedXpaths, anchorEntity.getName()); } - } - private void addNewChildDataNode(final String dataspaceName, final String anchorName, - final String parentNodeXpath, final DataNode newChild) { - final FragmentEntity parentFragmentEntity = - getFragmentWithoutDescendantsByXpath(dataspaceName, anchorName, parentNodeXpath); - final FragmentEntity newChildAsFragmentEntity = - convertToFragmentWithAllDescendants(parentFragmentEntity.getDataspace(), - parentFragmentEntity.getAnchor(), newChild); + private void addNewChildDataNode(final AnchorEntity anchorEntity, final String parentNodeXpath, + final DataNode newChild) { + final FragmentEntity parentFragmentEntity = getFragmentEntity(anchorEntity, parentNodeXpath); + final FragmentEntity newChildAsFragmentEntity = convertToFragmentWithAllDescendants(anchorEntity, newChild); newChildAsFragmentEntity.setParentId(parentFragmentEntity.getId()); try { fragmentRepository.save(newChildAsFragmentEntity); - } catch (final DataIntegrityViolationException e) { - throw AlreadyDefinedException.forDataNode(newChild.getXpath(), anchorName, e); + } catch (final DataIntegrityViolationException dataIntegrityViolationException) { + throw AlreadyDefinedException.forDataNodes(Collections.singletonList(newChild.getXpath()), + anchorEntity.getName()); } - } - private void addChildrenDataNodes(final String dataspaceName, final String anchorName, final String parentNodeXpath, + private void addChildrenDataNodes(final AnchorEntity anchorEntity, final String parentNodeXpath, final Collection newChildren) { - final FragmentEntity parentFragmentEntity = - getFragmentWithoutDescendantsByXpath(dataspaceName, anchorName, parentNodeXpath); + final FragmentEntity parentFragmentEntity = getFragmentEntity(anchorEntity, parentNodeXpath); final List fragmentEntities = new ArrayList<>(newChildren.size()); try { - newChildren.forEach(newChildAsDataNode -> { + for (final DataNode newChildAsDataNode : newChildren) { final FragmentEntity newChildAsFragmentEntity = - convertToFragmentWithAllDescendants(parentFragmentEntity.getDataspace(), - parentFragmentEntity.getAnchor(), newChildAsDataNode); + convertToFragmentWithAllDescendants(anchorEntity, newChildAsDataNode); newChildAsFragmentEntity.setParentId(parentFragmentEntity.getId()); fragmentEntities.add(newChildAsFragmentEntity); - }); + } fragmentRepository.saveAll(fragmentEntities); - } catch (final DataIntegrityViolationException e) { + } catch (final DataIntegrityViolationException dataIntegrityViolationException) { log.warn("Exception occurred : {} , While saving : {} children, retrying using individual save operations", - e, fragmentEntities.size()); - retrySavingEachChildIndividually(dataspaceName, anchorName, parentNodeXpath, newChildren); + dataIntegrityViolationException, fragmentEntities.size()); + retrySavingEachChildIndividually(anchorEntity, parentNodeXpath, newChildren); } } - private void retrySavingEachChildIndividually(final String dataspaceName, final String anchorName, - final String parentNodeXpath, + private void retrySavingEachChildIndividually(final AnchorEntity anchorEntity, final String parentNodeXpath, final Collection newChildren) { final Collection failedXpaths = new HashSet<>(); for (final DataNode newChild : newChildren) { try { - addNewChildDataNode(dataspaceName, anchorName, parentNodeXpath, newChild); - } catch (final AlreadyDefinedException e) { + addNewChildDataNode(anchorEntity, parentNodeXpath, newChild); + } catch (final AlreadyDefinedException alreadyDefinedException) { failedXpaths.add(newChild.getXpath()); } } if (!failedXpaths.isEmpty()) { - throw new AlreadyDefinedExceptionBatch(failedXpaths); + throw AlreadyDefinedException.forDataNodes(failedXpaths, anchorEntity.getName()); } } - @Override - public void storeDataNode(final String dataspaceName, final String anchorName, final DataNode dataNode) { - storeDataNodes(dataspaceName, anchorName, Collections.singletonList(dataNode)); - } - @Override public void storeDataNodes(final String dataspaceName, final String anchorName, final Collection dataNodes) { - final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName); - final AnchorEntity anchorEntity = anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName); + final AnchorEntity anchorEntity = getAnchorEntity(dataspaceName, anchorName); final List fragmentEntities = new ArrayList<>(dataNodes.size()); try { for (final DataNode dataNode: dataNodes) { - final FragmentEntity fragmentEntity = convertToFragmentWithAllDescendants(dataspaceEntity, anchorEntity, - dataNode); + final FragmentEntity fragmentEntity = convertToFragmentWithAllDescendants(anchorEntity, dataNode); fragmentEntities.add(fragmentEntity); } fragmentRepository.saveAll(fragmentEntities); } catch (final DataIntegrityViolationException exception) { log.warn("Exception occurred : {} , While saving : {} data nodes, Retrying saving data nodes individually", exception, dataNodes.size()); - storeDataNodesIndividually(dataspaceName, anchorName, dataNodes); + storeDataNodesIndividually(anchorEntity, dataNodes); } } - private void storeDataNodesIndividually(final String dataspaceName, final String anchorName, - final Collection dataNodes) { - final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName); - final AnchorEntity anchorEntity = anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName); + private void storeDataNodesIndividually(final AnchorEntity anchorEntity, final Collection dataNodes) { final Collection failedXpaths = new HashSet<>(); for (final DataNode dataNode: dataNodes) { try { - final FragmentEntity fragmentEntity = convertToFragmentWithAllDescendants(dataspaceEntity, anchorEntity, - dataNode); + final FragmentEntity fragmentEntity = convertToFragmentWithAllDescendants(anchorEntity, dataNode); fragmentRepository.save(fragmentEntity); - } catch (final DataIntegrityViolationException e) { + } catch (final DataIntegrityViolationException dataIntegrityViolationException) { failedXpaths.add(dataNode.getXpath()); } } if (!failedXpaths.isEmpty()) { - throw new AlreadyDefinedExceptionBatch(failedXpaths); + throw AlreadyDefinedException.forDataNodes(failedXpaths, anchorEntity.getName()); } } @@ -218,30 +197,24 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService * Convert DataNode object into Fragment and places the result in the fragments placeholder. Performs same action * for all DataNode children recursively. * - * @param dataspaceEntity dataspace * @param anchorEntity anchorEntity * @param dataNodeToBeConverted dataNode * @return a Fragment built from current DataNode */ - private FragmentEntity convertToFragmentWithAllDescendants(final DataspaceEntity dataspaceEntity, - final AnchorEntity anchorEntity, + private FragmentEntity convertToFragmentWithAllDescendants(final AnchorEntity anchorEntity, final DataNode dataNodeToBeConverted) { - final FragmentEntity parentFragment = toFragmentEntity(dataspaceEntity, anchorEntity, dataNodeToBeConverted); + final FragmentEntity parentFragment = toFragmentEntity(anchorEntity, dataNodeToBeConverted); final Builder childFragmentsImmutableSetBuilder = ImmutableSet.builder(); for (final DataNode childDataNode : dataNodeToBeConverted.getChildDataNodes()) { - final FragmentEntity childFragment = - convertToFragmentWithAllDescendants(parentFragment.getDataspace(), parentFragment.getAnchor(), - childDataNode); + final FragmentEntity childFragment = convertToFragmentWithAllDescendants(anchorEntity, childDataNode); childFragmentsImmutableSetBuilder.add(childFragment); } parentFragment.setChildFragments(childFragmentsImmutableSetBuilder.build()); return parentFragment; } - private FragmentEntity toFragmentEntity(final DataspaceEntity dataspaceEntity, - final AnchorEntity anchorEntity, final DataNode dataNode) { + private FragmentEntity toFragmentEntity(final AnchorEntity anchorEntity, final DataNode dataNode) { return FragmentEntity.builder() - .dataspace(dataspaceEntity) .anchor(anchorEntity) .xpath(dataNode.getXpath()) .attributes(jsonObjectMapper.asJsonString(dataNode.getLeaves())) @@ -249,87 +222,75 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService } @Override - public DataNode getDataNode(final String dataspaceName, final String anchorName, final String xpath, - final FetchDescendantsOption fetchDescendantsOption) { - final FragmentEntity fragmentEntity = getFragmentByXpath(dataspaceName, anchorName, xpath, - fetchDescendantsOption); - return toDataNode(fragmentEntity, fetchDescendantsOption); + @Timed(value = "cps.data.persistence.service.datanode.get", + description = "Time taken to get a data node") + public Collection getDataNodes(final String dataspaceName, final String anchorName, + final String xpath, + final FetchDescendantsOption fetchDescendantsOption) { + final String targetXpath = getNormalizedXpath(xpath); + final Collection dataNodes = getDataNodesForMultipleXpaths(dataspaceName, anchorName, + Collections.singletonList(targetXpath), fetchDescendantsOption); + if (dataNodes.isEmpty()) { + throw new DataNodeNotFoundException(dataspaceName, anchorName, xpath); + } + return dataNodes; } @Override - public Collection getDataNodes(final String dataspaceName, final String anchorName, - final Collection xpaths, - final FetchDescendantsOption fetchDescendantsOption) { - final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName); - final AnchorEntity anchorEntity = anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName); + @Timed(value = "cps.data.persistence.service.datanode.batch.get", + description = "Time taken to get data nodes") + public Collection getDataNodesForMultipleXpaths(final String dataspaceName, final String anchorName, + final Collection xpaths, + final FetchDescendantsOption fetchDescendantsOption) { + final AnchorEntity anchorEntity = getAnchorEntity(dataspaceName, anchorName); + Collection fragmentEntities = getFragmentEntities(anchorEntity, xpaths); + fragmentEntities = fragmentRepository.prefetchDescendantsOfFragmentEntities(fetchDescendantsOption, + fragmentEntities); + return createDataNodesFromFragmentEntities(fetchDescendantsOption, fragmentEntities); + } - final Collection nonRootXpaths = new HashSet<>(xpaths); - final boolean haveRootXpath = nonRootXpaths.removeIf(CpsDataPersistenceServiceImpl::isRootXpath); + private Collection getFragmentEntities(final AnchorEntity anchorEntity, + final Collection xpaths) { + final Collection normalizedXpaths = getNormalizedXpaths(xpaths); - final Collection normalizedXpaths = new HashSet<>(nonRootXpaths.size()); - for (final String xpath : nonRootXpaths) { - try { - normalizedXpaths.add(CpsPathUtil.getNormalizedXpath(xpath)); - } catch (final PathParsingException e) { - log.warn("Error parsing xpath \"{}\" in getDataNodes: {}", xpath, e.getMessage()); + final boolean haveRootXpath = normalizedXpaths.removeIf(CpsDataPersistenceServiceImpl::isRootXpath); + + final List fragmentEntities = fragmentRepository.findByAnchorAndXpathIn(anchorEntity, + normalizedXpaths); + + for (final FragmentEntity fragmentEntity : fragmentEntities) { + normalizedXpaths.remove(fragmentEntity.getXpath()); + } + + for (final String xpath : normalizedXpaths) { + if (!CpsPathUtil.isPathToListElement(xpath)) { + fragmentEntities.addAll(fragmentRepository.findListByAnchorAndXpath(anchorEntity, xpath)); } } - final Collection fragmentEntities = - new HashSet<>(fragmentRepository.findByAnchorAndMultipleCpsPaths(anchorEntity.getId(), normalizedXpaths)); if (haveRootXpath) { - final List fragmentExtracts = fragmentRepository.getTopLevelFragments(dataspaceEntity, - anchorEntity); - fragmentEntities.addAll(FragmentEntityArranger.toFragmentEntityTrees(anchorEntity, fragmentExtracts)); + fragmentEntities.addAll(fragmentRepository.findRootsByAnchorId(anchorEntity.getId())); } - return toDataNodes(fragmentEntities, fetchDescendantsOption); - } - - private FragmentEntity getFragmentWithoutDescendantsByXpath(final String dataspaceName, - final String anchorName, - final String xpath) { - return getFragmentByXpath(dataspaceName, anchorName, xpath, FetchDescendantsOption.OMIT_DESCENDANTS); + return fragmentEntities; } - private FragmentEntity getFragmentByXpath(final String dataspaceName, final String anchorName, - final String xpath, final FetchDescendantsOption fetchDescendantsOption) { - final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName); - final AnchorEntity anchorEntity = anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName); + private FragmentEntity getFragmentEntity(final AnchorEntity anchorEntity, final String xpath) { final FragmentEntity fragmentEntity; if (isRootXpath(xpath)) { - final List fragmentExtracts = fragmentRepository.getTopLevelFragments(dataspaceEntity, - anchorEntity); - fragmentEntity = FragmentEntityArranger.toFragmentEntityTrees(anchorEntity, fragmentExtracts) - .stream().findFirst().orElse(null); + fragmentEntity = fragmentRepository.findOneByAnchorId(anchorEntity.getId()).orElse(null); } else { - final String normalizedXpath = getNormalizedXpath(xpath); - if (FetchDescendantsOption.OMIT_DESCENDANTS.equals(fetchDescendantsOption)) { - fragmentEntity = - fragmentRepository.getByDataspaceAndAnchorAndXpath(dataspaceEntity, anchorEntity, normalizedXpath); - } else { - fragmentEntity = buildFragmentEntitiesFromFragmentExtracts(anchorEntity, normalizedXpath) - .stream().findFirst().orElse(null); - } + fragmentEntity = fragmentRepository.getByAnchorAndXpath(anchorEntity, getNormalizedXpath(xpath)); } if (fragmentEntity == null) { - throw new DataNodeNotFoundException(dataspaceEntity.getName(), anchorEntity.getName(), xpath); + throw new DataNodeNotFoundException(anchorEntity.getDataspace().getName(), anchorEntity.getName(), xpath); } return fragmentEntity; - - } - - private Collection buildFragmentEntitiesFromFragmentExtracts(final AnchorEntity anchorEntity, - final String normalizedXpath) { - final List fragmentExtracts = - fragmentRepository.findByAnchorIdAndParentXpath(anchorEntity.getId(), normalizedXpath); - log.debug("Fetched {} fragment entities by anchor {} and cps path {}.", - fragmentExtracts.size(), anchorEntity.getName(), normalizedXpath); - return FragmentEntityArranger.toFragmentEntityTrees(anchorEntity, fragmentExtracts); - } @Override + @Timed(value = "cps.data.persistence.service.datanode.query", + description = "Time taken to query data nodes") public List queryDataNodes(final String dataspaceName, final String anchorName, final String cpsPath, final FetchDescendantsOption fetchDescendantsOption) { final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName); @@ -337,68 +298,65 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService final CpsPathQuery cpsPathQuery; try { cpsPathQuery = CpsPathUtil.getCpsPathQuery(cpsPath); - } catch (final PathParsingException e) { - throw new CpsPathException(e.getMessage()); + } catch (final PathParsingException pathParsingException) { + throw new CpsPathException(pathParsingException.getMessage()); } Collection fragmentEntities; - if (canUseRegexQuickFind(fetchDescendantsOption, cpsPathQuery)) { - return getDataNodesUsingRegexQuickFind(fetchDescendantsOption, anchorEntity, cpsPathQuery); - } - fragmentEntities = fragmentRepository.findByAnchorAndCpsPath(anchorEntity.getId(), cpsPathQuery); + fragmentEntities = fragmentRepository.findByAnchorAndCpsPath(anchorEntity, cpsPathQuery); if (cpsPathQuery.hasAncestorAxis()) { - fragmentEntities = getAncestorFragmentEntities(anchorEntity.getId(), cpsPathQuery, fragmentEntities); + final Collection ancestorXpaths = processAncestorXpath(fragmentEntities, cpsPathQuery); + fragmentEntities = fragmentRepository.findByAnchorAndXpathIn(anchorEntity, ancestorXpaths); } - return createDataNodesFromProxiedFragmentEntities(fetchDescendantsOption, anchorEntity, fragmentEntities); - } - - private static boolean canUseRegexQuickFind(final FetchDescendantsOption fetchDescendantsOption, - final CpsPathQuery cpsPathQuery) { - return fetchDescendantsOption.equals(FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS) - && !cpsPathQuery.hasLeafConditions() - && !cpsPathQuery.hasTextFunctionCondition(); + fragmentEntities = fragmentRepository.prefetchDescendantsOfFragmentEntities(fetchDescendantsOption, + fragmentEntities); + return createDataNodesFromFragmentEntities(fetchDescendantsOption, fragmentEntities); } - private List getDataNodesUsingRegexQuickFind(final FetchDescendantsOption fetchDescendantsOption, - final AnchorEntity anchorEntity, - final CpsPathQuery cpsPathQuery) { - Collection fragmentEntities; - final String xpathRegex = FragmentQueryBuilder.getXpathSqlRegex(cpsPathQuery, true); - final List fragmentExtracts = - fragmentRepository.quickFindWithDescendants(anchorEntity.getId(), xpathRegex); - fragmentEntities = FragmentEntityArranger.toFragmentEntityTrees(anchorEntity, fragmentExtracts); - if (cpsPathQuery.hasAncestorAxis()) { - fragmentEntities = getAncestorFragmentEntities(anchorEntity.getId(), cpsPathQuery, fragmentEntities); + @Override + @Timed(value = "cps.data.persistence.service.datanode.query.anchors", + description = "Time taken to query data nodes across all anchors or list of anchors") + public List queryDataNodesAcrossAnchors(final String dataspaceName, final String cpsPath, + final FetchDescendantsOption fetchDescendantsOption, + final PaginationOption paginationOption) { + final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName); + final CpsPathQuery cpsPathQuery; + try { + cpsPathQuery = CpsPathUtil.getCpsPathQuery(cpsPath); + } catch (final PathParsingException e) { + throw new CpsPathException(e.getMessage()); } - return createDataNodesFromFragmentEntities(fetchDescendantsOption, fragmentEntities); - } - private Collection getAncestorFragmentEntities(final int anchorId, - final CpsPathQuery cpsPathQuery, - final Collection fragmentEntities) { - final Collection ancestorXpaths = processAncestorXpath(fragmentEntities, cpsPathQuery); - return ancestorXpaths.isEmpty() ? Collections.emptyList() - : fragmentRepository.findByAnchorAndMultipleCpsPaths(anchorId, ancestorXpaths); - } + final List anchorIds; + if (paginationOption == NO_PAGINATION) { + anchorIds = Collections.emptyList(); + } else { + anchorIds = getAnchorIdsForPagination(dataspaceEntity, cpsPathQuery, paginationOption); + if (anchorIds.isEmpty()) { + return Collections.emptyList(); + } + } + Collection fragmentEntities = + fragmentRepository.findByDataspaceAndCpsPath(dataspaceEntity, cpsPathQuery, anchorIds); - private List createDataNodesFromProxiedFragmentEntities( - final FetchDescendantsOption fetchDescendantsOption, - final AnchorEntity anchorEntity, - final Collection proxiedFragmentEntities) { - final List dataNodes = new ArrayList<>(proxiedFragmentEntities.size()); - for (final FragmentEntity proxiedFragmentEntity : proxiedFragmentEntities) { - if (FetchDescendantsOption.OMIT_DESCENDANTS.equals(fetchDescendantsOption)) { - dataNodes.add(toDataNode(proxiedFragmentEntity, fetchDescendantsOption)); + if (cpsPathQuery.hasAncestorAxis()) { + final Collection ancestorXpaths = processAncestorXpath(fragmentEntities, cpsPathQuery); + if (anchorIds.isEmpty()) { + fragmentEntities = fragmentRepository.findByDataspaceAndXpathIn(dataspaceEntity, ancestorXpaths); } else { - final String normalizedXpath = getNormalizedXpath(proxiedFragmentEntity.getXpath()); - final Collection unproxiedFragmentEntities = - buildFragmentEntitiesFromFragmentExtracts(anchorEntity, normalizedXpath); - for (final FragmentEntity unproxiedFragmentEntity : unproxiedFragmentEntities) { - dataNodes.add(toDataNode(unproxiedFragmentEntity, fetchDescendantsOption)); - } + fragmentEntities = fragmentRepository.findByAnchorIdsAndXpathIn( + anchorIds.toArray(new Long[0]), ancestorXpaths.toArray(new String[0])); } + } - return Collections.unmodifiableList(dataNodes); + fragmentEntities = fragmentRepository.prefetchDescendantsOfFragmentEntities(fetchDescendantsOption, + fragmentEntities); + return createDataNodesFromFragmentEntities(fetchDescendantsOption, fragmentEntities); + } + + private List getAnchorIdsForPagination(final DataspaceEntity dataspaceEntity, final CpsPathQuery cpsPathQuery, + final PaginationOption paginationOption) { + return fragmentRepository.findAnchorIdsForPagination(dataspaceEntity, cpsPathQuery, paginationOption); } private List createDataNodesFromFragmentEntities(final FetchDescendantsOption fetchDescendantsOption, @@ -411,13 +369,26 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService } private static String getNormalizedXpath(final String xpathSource) { - final String normalizedXpath; + if (isRootXpath(xpathSource)) { + return xpathSource; + } try { - normalizedXpath = CpsPathUtil.getNormalizedXpath(xpathSource); - } catch (final PathParsingException e) { - throw new CpsPathException(e.getMessage()); + return CpsPathUtil.getNormalizedXpath(xpathSource); + } catch (final PathParsingException pathParsingException) { + throw new CpsPathException(pathParsingException.getMessage()); + } + } + + private static Collection getNormalizedXpaths(final Collection xpaths) { + final Collection normalizedXpaths = new HashSet<>(xpaths.size()); + for (final String xpath : xpaths) { + try { + normalizedXpaths.add(getNormalizedXpath(xpath)); + } catch (final CpsPathException cpsPathException) { + log.warn("Error parsing xpath \"{}\": {}", xpath, cpsPathException.getMessage()); + } } - return normalizedXpath; + return normalizedXpaths; } @Override @@ -436,12 +407,25 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService sessionManager.lockAnchor(sessionId, dataspaceName, anchorName, timeoutInMilliseconds); } + @Override + public Integer countAnchorsForDataspaceAndCpsPath(final String dataspaceName, final String cpsPath) { + final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName); + final CpsPathQuery cpsPathQuery; + try { + cpsPathQuery = CpsPathUtil.getCpsPathQuery(cpsPath); + } catch (final PathParsingException e) { + throw new CpsPathException(e.getMessage()); + } + final List anchorIdList = getAnchorIdsForPagination(dataspaceEntity, cpsPathQuery, NO_PAGINATION); + return anchorIdList.size(); + } + private static Set processAncestorXpath(final Collection fragmentEntities, final CpsPathQuery cpsPathQuery) { final Set ancestorXpath = new HashSet<>(); final Pattern pattern = - Pattern.compile("([\\s\\S]*\\/" + Pattern.quote(cpsPathQuery.getAncestorSchemaNodeIdentifier()) - + REG_EX_FOR_OPTIONAL_LIST_INDEX + "\\/[\\s\\S]*"); + Pattern.compile("(.*/" + Pattern.quote(cpsPathQuery.getAncestorSchemaNodeIdentifier()) + + REG_EX_FOR_OPTIONAL_LIST_INDEX + "/.*"); for (final FragmentEntity fragmentEntity : fragmentEntities) { final Matcher matcher = pattern.matcher(fragmentEntity.getXpath()); if (matcher.matches()) { @@ -461,18 +445,11 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService return new DataNodeBuilder() .withXpath(fragmentEntity.getXpath()) .withLeaves(leaves) + .withDataspace(fragmentEntity.getAnchor().getDataspace().getName()) + .withAnchor(fragmentEntity.getAnchor().getName()) .withChildDataNodes(childDataNodes).build(); } - private Collection toDataNodes(final Collection fragmentEntities, - final FetchDescendantsOption fetchDescendantsOption) { - final Collection dataNodes = new ArrayList<>(fragmentEntities.size()); - for (final FragmentEntity fragmentEntity : fragmentEntities) { - dataNodes.add(toDataNode(fragmentEntity, fetchDescendantsOption)); - } - return dataNodes; - } - private List getChildDataNodes(final FragmentEntity fragmentEntity, final FetchDescendantsOption fetchDescendantsOption) { if (fetchDescendantsOption.hasNext()) { @@ -484,84 +461,82 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService } @Override - public void updateDataLeaves(final String dataspaceName, final String anchorName, final String xpath, - final Map updateLeaves) { - final FragmentEntity fragmentEntity = getFragmentWithoutDescendantsByXpath(dataspaceName, anchorName, xpath); - final String currentLeavesAsString = fragmentEntity.getAttributes(); - final String mergedLeaves = mergeLeaves(updateLeaves, currentLeavesAsString); - fragmentEntity.setAttributes(mergedLeaves); - fragmentRepository.save(fragmentEntity); - } + public void batchUpdateDataLeaves(final String dataspaceName, final String anchorName, + final Map> updatedLeavesPerXPath) { + final AnchorEntity anchorEntity = getAnchorEntity(dataspaceName, anchorName); + + final Collection xpathsOfUpdatedLeaves = updatedLeavesPerXPath.keySet(); + final Collection fragmentEntities = getFragmentEntities(anchorEntity, xpathsOfUpdatedLeaves); + + for (final FragmentEntity fragmentEntity : fragmentEntities) { + final Map updatedLeaves = updatedLeavesPerXPath.get(fragmentEntity.getXpath()); + final String mergedLeaves = mergeLeaves(updatedLeaves, fragmentEntity.getAttributes()); + fragmentEntity.setAttributes(mergedLeaves); + } - @Override - public void updateDataNodeAndDescendants(final String dataspaceName, final String anchorName, - final DataNode dataNode) { - final FragmentEntity fragmentEntity = - getFragmentWithoutDescendantsByXpath(dataspaceName, anchorName, dataNode.getXpath()); - updateFragmentEntityAndDescendantsWithDataNode(fragmentEntity, dataNode); try { - fragmentRepository.save(fragmentEntity); + fragmentRepository.saveAll(fragmentEntities); } 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())); + retryUpdateDataNodesIndividually(anchorEntity, fragmentEntities); } } @Override - public void updateDataNodesAndDescendants(final String dataspaceName, - final String anchorName, - final List dataNodes) { - - final Map dataNodeFragmentEntityMap = dataNodes.stream() - .collect(Collectors.toMap( - dataNode -> dataNode, - dataNode -> - getFragmentWithoutDescendantsByXpath(dataspaceName, anchorName, dataNode.getXpath()))); - dataNodeFragmentEntityMap.forEach( - (dataNode, fragmentEntity) -> updateFragmentEntityAndDescendantsWithDataNode(fragmentEntity, dataNode)); + public void updateDataNodesAndDescendants(final String dataspaceName, final String anchorName, + final Collection updatedDataNodes) { + final AnchorEntity anchorEntity = getAnchorEntity(dataspaceName, anchorName); + + final Map xpathToUpdatedDataNode = updatedDataNodes.stream() + .collect(Collectors.toMap(DataNode::getXpath, dataNode -> dataNode)); + + final Collection xpaths = xpathToUpdatedDataNode.keySet(); + Collection existingFragmentEntities = getFragmentEntities(anchorEntity, xpaths); + existingFragmentEntities = fragmentRepository.prefetchDescendantsOfFragmentEntities( + FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS, existingFragmentEntities); + + for (final FragmentEntity existingFragmentEntity : existingFragmentEntities) { + final DataNode updatedDataNode = xpathToUpdatedDataNode.get(existingFragmentEntity.getXpath()); + updateFragmentEntityAndDescendantsWithDataNode(existingFragmentEntity, updatedDataNode); + } + try { - fragmentRepository.saveAll(dataNodeFragmentEntityMap.values()); + fragmentRepository.saveAll(existingFragmentEntities); } catch (final StaleStateException staleStateException) { - retryUpdateDataNodesIndividually(dataspaceName, anchorName, dataNodeFragmentEntityMap.values()); + retryUpdateDataNodesIndividually(anchorEntity, existingFragmentEntities); } } - private void retryUpdateDataNodesIndividually(final String dataspaceName, final String anchorName, + private void retryUpdateDataNodesIndividually(final AnchorEntity anchorEntity, final Collection fragmentEntities) { final Collection failedXpaths = new HashSet<>(); - - fragmentEntities.forEach(dataNodeFragment -> { + for (final FragmentEntity dataNodeFragment : fragmentEntities) { try { fragmentRepository.save(dataNodeFragment); - } catch (final StaleStateException e) { + } catch (final StaleStateException staleStateException) { 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)); + failedXpathsConcatenated, anchorEntity.getDataspace().getName(), anchorEntity.getName())); } } private void updateFragmentEntityAndDescendantsWithDataNode(final FragmentEntity existingFragmentEntity, final DataNode newDataNode) { - existingFragmentEntity.setAttributes(jsonObjectMapper.asJsonString(newDataNode.getLeaves())); final Map existingChildrenByXpath = existingFragmentEntity.getChildFragments().stream() .collect(Collectors.toMap(FragmentEntity::getXpath, childFragmentEntity -> childFragmentEntity)); final Collection updatedChildFragments = new HashSet<>(); - for (final DataNode newDataNodeChild : newDataNode.getChildDataNodes()) { final FragmentEntity childFragment; if (isNewDataNode(newDataNodeChild, existingChildrenByXpath)) { - childFragment = convertToFragmentWithAllDescendants( - existingFragmentEntity.getDataspace(), existingFragmentEntity.getAnchor(), newDataNodeChild); + childFragment = convertToFragmentWithAllDescendants(existingFragmentEntity.getAnchor(), + newDataNodeChild); } else { childFragment = existingChildrenByXpath.get(newDataNodeChild.getXpath()); updateFragmentEntityAndDescendantsWithDataNode(childFragment, newDataNodeChild); @@ -577,19 +552,18 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService @Transactional public void replaceListContent(final String dataspaceName, final String anchorName, final String parentNodeXpath, final Collection newListElements) { - final FragmentEntity parentEntity = - getFragmentWithoutDescendantsByXpath(dataspaceName, anchorName, parentNodeXpath); + final AnchorEntity anchorEntity = getAnchorEntity(dataspaceName, anchorName); + final FragmentEntity parentEntity = getFragmentEntity(anchorEntity, parentNodeXpath); final String listElementXpathPrefix = getListElementXpathPrefix(newListElements); final Map existingListElementFragmentEntitiesByXPath = extractListElementFragmentEntitiesByXPath(parentEntity.getChildFragments(), listElementXpathPrefix); - deleteListElements(parentEntity.getChildFragments(), existingListElementFragmentEntitiesByXPath); + parentEntity.getChildFragments().removeAll(existingListElementFragmentEntitiesByXPath.values()); final Set updatedChildFragmentEntities = new HashSet<>(); for (final DataNode newListElement : newListElements) { final FragmentEntity existingListElementEntity = existingListElementFragmentEntitiesByXPath.get(newListElement.getXpath()); final FragmentEntity entityToBeAdded = getFragmentForReplacement(parentEntity, newListElement, existingListElementEntity); - updatedChildFragmentEntities.add(entityToBeAdded); } parentEntity.getChildFragments().addAll(updatedChildFragmentEntities); @@ -601,28 +575,57 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService 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))); + .ifPresent(anchorEntity -> fragmentRepository.deleteByAnchorIn(Collections.singletonList(anchorEntity))); + } + + @Override + @Transactional + public void deleteDataNodes(final String dataspaceName, final Collection anchorNames) { + final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName); + final Collection anchorEntities = + anchorRepository.findAllByDataspaceAndNameIn(dataspaceEntity, anchorNames); + fragmentRepository.deleteByAnchorIn(anchorEntities); } @Override @Transactional public void deleteDataNodes(final String dataspaceName, final String anchorName, final Collection xpathsToDelete) { - final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName); - final AnchorEntity anchorEntity = anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName); + deleteDataNodes(dataspaceName, anchorName, xpathsToDelete, false); + } - final Collection normalizedXpaths = new ArrayList<>(xpathsToDelete.size()); - for (final String xpath : xpathsToDelete) { - try { - normalizedXpaths.add(CpsPathUtil.getNormalizedXpath(xpath)); - } catch (final PathParsingException e) { - log.debug("Error parsing xpath \"{}\" in deleteDataNodes: {}", xpath, e.getMessage()); - } + private void deleteDataNodes(final String dataspaceName, final String anchorName, + final Collection xpathsToDelete, final boolean onlySupportListDeletion) { + final boolean haveRootXpath = xpathsToDelete.stream().anyMatch(CpsDataPersistenceServiceImpl::isRootXpath); + if (haveRootXpath) { + deleteDataNodes(dataspaceName, anchorName); + return; + } + + final AnchorEntity anchorEntity = getAnchorEntity(dataspaceName, anchorName); + + final Collection deleteChecklist = getNormalizedXpaths(xpathsToDelete); + final Collection xpathsToExistingContainers = + fragmentRepository.findAllXpathByAnchorAndXpathIn(anchorEntity, deleteChecklist); + if (onlySupportListDeletion) { + final Collection xpathsToExistingListElements = xpathsToExistingContainers.stream() + .filter(CpsPathUtil::isPathToListElement).collect(Collectors.toList()); + deleteChecklist.removeAll(xpathsToExistingListElements); + } else { + deleteChecklist.removeAll(xpathsToExistingContainers); + } + + final Collection xpathsToExistingLists = deleteChecklist.stream() + .filter(xpath -> fragmentRepository.existsByAnchorAndXpathStartsWith(anchorEntity, xpath + "[")) + .collect(Collectors.toList()); + deleteChecklist.removeAll(xpathsToExistingLists); + + if (!deleteChecklist.isEmpty()) { + throw new DataNodeNotFoundExceptionBatch(dataspaceName, anchorName, deleteChecklist); } - fragmentRepository.deleteByAnchorIdAndXpaths(anchorEntity.getId(), normalizedXpaths); - fragmentRepository.deleteListsByAnchorIdAndXpaths(anchorEntity.getId(), normalizedXpaths); + fragmentRepository.deleteByAnchorIdAndXpaths(anchorEntity.getId(), xpathsToExistingContainers); + fragmentRepository.deleteListsByAnchorIdAndXpaths(anchorEntity.getId(), xpathsToExistingLists); } @Override @@ -640,66 +643,13 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService private void deleteDataNode(final String dataspaceName, final String anchorName, final String targetXpath, final boolean onlySupportListNodeDeletion) { - final String parentNodeXpath; - FragmentEntity parentFragmentEntity = null; - boolean targetDeleted; - if (isRootXpath(targetXpath)) { - deleteDataNodes(dataspaceName, anchorName); - targetDeleted = true; - } else { - if (isRootContainerNodeXpath(targetXpath)) { - parentNodeXpath = targetXpath; - } else { - parentNodeXpath = CpsPathUtil.getNormalizedParentXpath(targetXpath); - } - parentFragmentEntity = getFragmentWithoutDescendantsByXpath(dataspaceName, anchorName, parentNodeXpath); - if (CpsPathUtil.isPathToListElement(targetXpath)) { - targetDeleted = deleteDataNode(parentFragmentEntity, targetXpath); - } else { - targetDeleted = deleteAllListElements(parentFragmentEntity, targetXpath); - final boolean tryToDeleteDataNode = !targetDeleted && !onlySupportListNodeDeletion; - if (tryToDeleteDataNode) { - targetDeleted = deleteDataNode(parentFragmentEntity, targetXpath); - } - } - } - if (!targetDeleted) { - final String additionalInformation = onlySupportListNodeDeletion - ? "The target is probably not a List." : ""; - throw new DataNodeNotFoundException(parentFragmentEntity.getDataspace().getName(), - parentFragmentEntity.getAnchor().getName(), targetXpath, additionalInformation); - } - } - - private boolean deleteDataNode(final FragmentEntity parentFragmentEntity, final String targetXpath) { - final String normalizedTargetXpath = CpsPathUtil.getNormalizedXpath(targetXpath); - if (parentFragmentEntity.getXpath().equals(normalizedTargetXpath)) { - fragmentRepository.deleteFragmentEntity(parentFragmentEntity.getId()); - return true; - } - if (parentFragmentEntity.getChildFragments() - .removeIf(fragment -> fragment.getXpath().equals(normalizedTargetXpath))) { - fragmentRepository.save(parentFragmentEntity); - return true; - } - return false; - } - - private boolean deleteAllListElements(final FragmentEntity parentFragmentEntity, final String listXpath) { - final String normalizedListXpath = CpsPathUtil.getNormalizedXpath(listXpath); - final String deleteTargetXpathPrefix = normalizedListXpath + "["; - if (parentFragmentEntity.getChildFragments() - .removeIf(fragment -> fragment.getXpath().startsWith(deleteTargetXpathPrefix))) { - fragmentRepository.save(parentFragmentEntity); - return true; + final String normalizedXpath = getNormalizedXpath(targetXpath); + try { + deleteDataNodes(dataspaceName, anchorName, Collections.singletonList(normalizedXpath), + onlySupportListNodeDeletion); + } catch (final DataNodeNotFoundExceptionBatch dataNodeNotFoundExceptionBatch) { + throw new DataNodeNotFoundException(dataspaceName, anchorName, targetXpath); } - return false; - } - - private static void deleteListElements( - final Collection fragmentEntities, - final Map existingListElementFragmentEntitiesByXPath) { - fragmentEntities.removeAll(existingListElementFragmentEntitiesByXPath.values()); } private static String getListElementXpathPrefix(final Collection newListElements) { @@ -715,8 +665,7 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService final DataNode newListElement, final FragmentEntity existingListElementEntity) { if (existingListElementEntity == null) { - return convertToFragmentWithAllDescendants( - parentEntity.getDataspace(), parentEntity.getAnchor(), newListElement); + return convertToFragmentWithAllDescendants(parentEntity.getAnchor(), newListElement); } if (newListElement.getChildDataNodes().isEmpty()) { copyAttributesFromNewListElement(existingListElementEntity, newListElement); @@ -732,10 +681,6 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService return !existingListElementsByXpath.containsKey(replacementDataNode.getXpath()); } - private static boolean isRootContainerNodeXpath(final String xpath) { - return 0 == xpath.lastIndexOf('/'); - } - private void copyAttributesFromNewListElement(final FragmentEntity existingListElementEntity, final DataNode newListElement) { final FragmentEntity replacementFragmentEntity = @@ -756,12 +701,20 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService } private String mergeLeaves(final Map updateLeaves, final String currentLeavesAsString) { - final Map currentLeavesAsMap = currentLeavesAsString.isEmpty() - ? new HashMap<>() : jsonObjectMapper.convertJsonString(currentLeavesAsString, Map.class); - currentLeavesAsMap.putAll(updateLeaves); + Map currentLeavesAsMap = new HashMap<>(); + if (currentLeavesAsString != null) { + currentLeavesAsMap = jsonObjectMapper.convertJsonString(currentLeavesAsString, Map.class); + currentLeavesAsMap.putAll(updateLeaves); + } + if (currentLeavesAsMap.isEmpty()) { return ""; } return jsonObjectMapper.asJsonString(currentLeavesAsMap); } + + private AnchorEntity getAnchorEntity(final String dataspaceName, final String anchorName) { + final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName); + return anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName); + } }