content: /**
   * 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.AtlasConfiguration;
  import org.apache.atlas.exception.AtlasBaseException;
  import org.apache.atlas.pc.WorkItemManager;
  import org.apache.atlas.repository.graphdb.AtlasEdge;
  import org.apache.atlas.repository.graphdb.AtlasGraph;
  import org.apache.atlas.type.AtlasRelationshipType;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  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.RELATIONSHIP_TYPE_PROPERTY_KEY;
  
  public class RelationshipTypeNamePatch extends AtlasPatchHandler {
      private static final Logger LOG = LoggerFactory.getLogger(RelationshipTypeNamePatch.class);
  
      private static final String PATCH_ID          = "JAVA_PATCH_0000_0011";
      private static final String PATCH_DESCRIPTION = "Populates Relationship typeName as like of Entity TypeName for all Edges.";
  
      private final PatchContext context;
  
      public RelationshipTypeNamePatch(PatchContext context) {
          super(context.getPatchRegistry(), PATCH_ID, PATCH_DESCRIPTION);
  
          this.context = context;
      }
  
      @Override
      public void apply() throws AtlasBaseException {
          if (!AtlasConfiguration.RELATIONSHIP_SEARCH_ENABLED.getBoolean()) {
              LOG.info("RelationshipTypeNamePatch: Skipped, since not enabled!");
  
              return;
          }
  
          LOG.info("RelationshipTypeNamePatch: Starting...");
  
          EdgePatchProcessor patchProcessor = new RelationshipTypeNamePatchProcessor(context);
  
          patchProcessor.apply();
  
          setStatus(APPLIED);
  
          LOG.info("EdgePatchProcessor.apply(): patchId={}, status={}", getPatchId(), getStatus());
      }
  
      public static class RelationshipTypeNamePatchProcessor extends EdgePatchProcessor {
          public RelationshipTypeNamePatchProcessor(PatchContext context) {
              super(context);
          }
  
          @Override
          protected void prepareForExecution() {
              // relationship typeName mixed and composite index is already created in GraphBackedSearchIndexer @Order(1)
          }
  
          @Override
          protected void submitEdgesToUpdate(WorkItemManager manager) {
              AtlasGraph          graph    = getGraph();
              Iterable<AtlasEdge> iterable = graph.getEdges();
              int                 count    = 0;
  
              for (AtlasEdge edge : iterable) {
                  if (edge.getProperty(ENTITY_TYPE_PROPERTY_KEY, String.class) != null) {
                      String edgeId = edge.getId().toString();
  
                      manager.checkProduce(edgeId);
  
                      count++;
                  }
              }
  
              LOG.info("found {} edges with typeName != null", count);
          }
  
          @Override
          protected void processEdgesItem(String edgeId, AtlasEdge edge, String typeName, AtlasRelationshipType type) {
              edge.setProperty(RELATIONSHIP_TYPE_PROPERTY_KEY, typeName);
  
              LOG.debug("processItem(typeName={}, edgeId={}): Done!", typeName, edgeId);
          }
      }
  }
  