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.store.graph;
  
  import org.apache.atlas.annotation.GraphTransaction;
  import org.apache.atlas.repository.Constants;
  import org.apache.atlas.repository.graphdb.AtlasVertex;
  import org.apache.atlas.repository.store.graph.v2.AtlasGraphUtilsV2;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.stereotype.Component;
  
  @Component
  public class EntityCorrelationStore {
      private static final Logger LOG = LoggerFactory.getLogger(EntityCorrelationStore.class);
  
      public EntityCorrelationStore() {
      }
  
      @GraphTransaction
      public void add(String entityGuid, long messageTimestamp) {
          AtlasVertex v = AtlasGraphUtilsV2.findByGuid(entityGuid);
  
          if (v == null) {
              LOG.warn("Fetching: {} did not yield result!", entityGuid);
              return;
          }
  
          AtlasGraphUtilsV2.setEncodedProperty(v, Constants.ENTITY_DELETED_TIMESTAMP_PROPERTY_KEY, messageTimestamp);
  
          LOG.info("Updating: {}: {}", entityGuid, messageTimestamp);
      }
  
      public String findCorrelatedGuid(String qualifiedName, long messageTimestamp) {
          String guid = AtlasGraphUtilsV2.findFirstDeletedDuringSpooledByQualifiedName(qualifiedName, messageTimestamp);
  
          LOG.info("findCorrelatedGuid: {} - {} -> {}", qualifiedName, messageTimestamp, guid);
  
          return guid;
      }
  }
  