| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.atlas.repository.patches; |
| |
| import org.apache.atlas.exception.AtlasBaseException; |
| import org.apache.atlas.pc.WorkItemManager; |
| import org.apache.atlas.repository.graphdb.AtlasGraph; |
| import org.apache.atlas.repository.graphdb.AtlasVertex; |
| import org.apache.atlas.repository.store.graph.v2.AtlasGraphUtilsV2; |
| import org.apache.atlas.type.AtlasEntityType; |
| import org.apache.commons.collections.CollectionUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.*; |
| |
| import static org.apache.atlas.model.patches.AtlasPatch.PatchStatus.APPLIED; |
| import static org.apache.atlas.repository.Constants.ENTITY_TYPE_PROPERTY_KEY; |
| import static org.apache.atlas.repository.Constants.SUPER_TYPES_PROPERTY_KEY; |
| |
| public class SuperTypesUpdatePatch extends AtlasPatchHandler { |
| private static final Logger LOG = LoggerFactory.getLogger(SuperTypesUpdatePatch.class); |
| private static final String PATCH_ID = "JAVA_PATCH_0000_007"; |
| private static final String PATCH_DESCRIPTION = "Update supertypes for all existing entities for given typeName"; |
| |
| private final PatchContext context; |
| private final String typeName; |
| |
| public SuperTypesUpdatePatch(PatchContext context, String typeDefPatchId, String typeName) { |
| super(context.getPatchRegistry(), PATCH_ID + "_" + typeDefPatchId, PATCH_DESCRIPTION); |
| |
| this.context = context; |
| this.typeName = typeName; |
| } |
| |
| @Override |
| public void apply() throws AtlasBaseException { |
| LOG.info("==> SuperTypesUpdatePatch.apply(): patchId={}", getPatchId()); |
| |
| ConcurrentPatchProcessor patchProcessor = new SuperTypesUpdatePatchProcessor(context, typeName); |
| |
| patchProcessor.apply(); |
| |
| setStatus(APPLIED); |
| |
| LOG.info("<== SuperTypesUpdatePatch.apply(): patchId={}, status={}", getPatchId(), getStatus()); |
| } |
| |
| public static class SuperTypesUpdatePatchProcessor extends ConcurrentPatchProcessor { |
| private final String typeName; |
| private final Set<String> typeAndAllSubTypes; |
| |
| public SuperTypesUpdatePatchProcessor(PatchContext context, String typeName) { |
| super(context); |
| |
| AtlasEntityType entityType = getTypeRegistry().getEntityTypeByName(typeName); |
| |
| this.typeName = typeName; |
| this.typeAndAllSubTypes = entityType != null ? entityType.getTypeAndAllSubTypes() : Collections.emptySet(); |
| } |
| |
| @Override |
| public void submitVerticesToUpdate(WorkItemManager manager) { |
| if (CollectionUtils.isNotEmpty(typeAndAllSubTypes)) { |
| LOG.info("Entity types to be updated with supertypes :{}", typeAndAllSubTypes.size()); |
| |
| for (String typeName : typeAndAllSubTypes) { |
| LOG.info("finding entities of type {}", typeName); |
| |
| AtlasGraph graph = getGraph(); |
| Iterable<Object> vertexIds = graph.query().has(ENTITY_TYPE_PROPERTY_KEY, typeName).vertexIds(); |
| int count = 0; |
| |
| for (Iterator<Object> iterator = vertexIds.iterator(); iterator.hasNext(); ) { |
| Object vertexId = iterator.next(); |
| |
| manager.checkProduce(vertexId); |
| |
| count++; |
| } |
| |
| LOG.info("found {} entities of type {}", count, typeName); |
| } |
| } |
| } |
| |
| @Override |
| protected void processVertexItem(Long vertexId, AtlasVertex vertex, String typeName, AtlasEntityType entityType) { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("processVertexItem(typeName={}, vertexId={})", typeName, vertexId); |
| } |
| |
| Set<String> allSuperTypes = entityType.getAllSuperTypes(); |
| |
| if (allSuperTypes != null) { |
| // remove and update all entity super types |
| vertex.removeProperty(SUPER_TYPES_PROPERTY_KEY); |
| |
| for (String superType : allSuperTypes) { |
| AtlasGraphUtilsV2.addEncodedProperty(vertex, SUPER_TYPES_PROPERTY_KEY, superType); |
| } |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Updated superTypes for entity of typeName={}, vertexId={}): Done!", typeName, vertex.getId()); |
| } |
| } |
| } |
| |
| @Override |
| protected void prepareForExecution() { |
| //do nothing |
| } |
| } |
| } |