| /** |
| * 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 |
| * |
| * 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. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.atlas.repository.patches; |
| |
| import org.apache.atlas.model.patches.AtlasPatch.AtlasPatches; |
| import org.apache.atlas.model.patches.AtlasPatch.PatchStatus; |
| import org.apache.atlas.repository.graph.GraphBackedSearchIndexer; |
| import org.apache.atlas.repository.graphdb.AtlasGraph; |
| import org.apache.atlas.repository.store.graph.v2.EntityGraphMapper; |
| import org.apache.atlas.type.AtlasTypeRegistry; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.stereotype.Component; |
| |
| import javax.annotation.PostConstruct; |
| import javax.inject.Inject; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import static org.apache.atlas.model.patches.AtlasPatch.PatchStatus.APPLIED; |
| import static org.apache.atlas.model.patches.AtlasPatch.PatchStatus.SKIPPED; |
| |
| @Component |
| public class AtlasPatchManager { |
| private static final Logger LOG = LoggerFactory.getLogger(AtlasPatchManager.class); |
| |
| private final List<AtlasPatchHandler> handlers = new ArrayList<>(); |
| private final AtlasGraph atlasGraph; |
| private final AtlasTypeRegistry typeRegistry; |
| private final GraphBackedSearchIndexer indexer; |
| private final EntityGraphMapper entityGraphMapper; |
| private PatchContext context; |
| |
| @Inject |
| public AtlasPatchManager(AtlasGraph atlasGraph, AtlasTypeRegistry typeRegistry, GraphBackedSearchIndexer indexer, EntityGraphMapper entityGraphMapper) { |
| this.atlasGraph = atlasGraph; |
| this.typeRegistry = typeRegistry; |
| this.indexer = indexer; |
| this.entityGraphMapper = entityGraphMapper; |
| } |
| |
| public AtlasPatches getAllPatches() { |
| return context.getPatchRegistry().getAllPatches(); |
| } |
| |
| public void applyAll() { |
| LOG.info("==> AtlasPatchManager.applyAll()"); |
| init(); |
| |
| try { |
| for (AtlasPatchHandler handler : handlers) { |
| PatchStatus patchStatus = handler.getStatusFromRegistry(); |
| |
| if (patchStatus == APPLIED || patchStatus == SKIPPED) { |
| LOG.info("Ignoring java handler: {}; status: {}", handler.getPatchId(), patchStatus); |
| } else { |
| LOG.info("Applying java handler: {}; status: {}", handler.getPatchId(), patchStatus); |
| |
| handler.apply(); |
| } |
| } |
| } catch (Exception ex) { |
| LOG.error("Error applying patches.", ex); |
| } |
| |
| LOG.info("<== AtlasPatchManager.applyAll()"); |
| } |
| |
| private void init() { |
| LOG.info("==> AtlasPatchManager.init()"); |
| |
| this.context = new PatchContext(atlasGraph, typeRegistry, indexer, entityGraphMapper); |
| |
| // register all java patches here |
| handlers.add(new UniqueAttributePatch(context)); |
| handlers.add(new ClassificationTextPatch(context)); |
| handlers.add(new FreeTextRequestHandlerPatch(context)); |
| handlers.add(new SuggestionsRequestHandlerPatch(context)); |
| handlers.add(new IndexConsistencyPatch(context)); |
| handlers.add(new ReIndexPatch(context)); |
| handlers.add(new ProcessNamePatch(context)); |
| |
| LOG.info("<== AtlasPatchManager.init()"); |
| } |
| |
| public void addPatchHandler(AtlasPatchHandler patchHandler) { |
| handlers.add(patchHandler); |
| } |
| |
| public PatchContext getContext() { |
| return this.context; |
| } |
| } |