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.Constants;
  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.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.util.Iterator;
  
  import static org.apache.atlas.model.patches.AtlasPatch.PatchStatus.APPLIED;
  
  public class ProcessImpalaNamePatch extends AtlasPatchHandler {
      private static final Logger LOG = LoggerFactory.getLogger(ProcessImpalaNamePatch.class);
  
      private static final String PATCH_ID          = "JAVA_PATCH_0000_012";
      private static final String PATCH_DESCRIPTION = "Set name to qualifiedName";
  
      private final PatchContext context;
  
      public ProcessImpalaNamePatch(PatchContext context) {
          super(context.getPatchRegistry(), PATCH_ID, PATCH_DESCRIPTION);
  
          this.context = context;
      }
  
      @Override
      public void apply() throws AtlasBaseException {
          if (!AtlasConfiguration.PROCESS_IMPALA_NAME_UPDATE_PATCH.getBoolean()) {
              LOG.info("ProcessImpalaNamePatch: Skipped, since not enabled!");
  
              return;
          }
  
          ConcurrentPatchProcessor patchProcessor = new ProcessImpalaNamePatchProcessor(context);
  
          patchProcessor.apply();
  
          setStatus(APPLIED);
  
          LOG.info("ProcessImpalaNamePatch.apply(): patchId={}, status={}", getPatchId(), getStatus());
      }
  
      public static class ProcessImpalaNamePatchProcessor extends ConcurrentPatchProcessor {
          private static final String   TYPE_NAME_IMPALA_PROCESS           = "impala_process";
          private static final String   TYPE_NAME_IMPALA_PROCESS_EXECUTION = "impala_process_execution";
          private static final String   ATTR_NAME_QUALIFIED_NAME           = "qualifiedName";
          private static final String   ATTR_NAME_NAME                     = "name";
          private static final String[] processTypes                       = {TYPE_NAME_IMPALA_PROCESS, TYPE_NAME_IMPALA_PROCESS_EXECUTION};
  
          public ProcessImpalaNamePatchProcessor(PatchContext context) {
              super(context);
          }
  
          @Override
          protected void prepareForExecution() {
          }
  
          @Override
          public void submitVerticesToUpdate(WorkItemManager manager) {
              AtlasGraph graph = getGraph();
  
              for (String typeName : processTypes) {
                  LOG.info("finding entities of type {}", typeName);
  
                  Iterable<Object> iterable = graph.query().has(Constants.ENTITY_TYPE_PROPERTY_KEY, typeName).vertexIds();
                  int              count    = 0;
  
                  for (Iterator<Object> iter = iterable.iterator(); iter.hasNext(); ) {
                      Object vertexId = iter.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) {
              LOG.debug("processItem(typeName={}, vertexId={})", typeName, vertexId);
  
              try {
                  String qualifiedName = AtlasGraphUtilsV2.getProperty(vertex, entityType.getVertexPropertyName(ATTR_NAME_QUALIFIED_NAME), String.class);
  
                  AtlasGraphUtilsV2.setEncodedProperty(vertex, entityType.getVertexPropertyName(ATTR_NAME_NAME), qualifiedName);
              } catch (AtlasBaseException e) {
                  LOG.error("Error updating: {}", vertexId);
              }
  
              LOG.debug("processItem(typeName={}, vertexId={}): Done!", typeName, vertexId);
          }
      }
  }
  