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.v2.tasks;
  
  import org.apache.atlas.model.tasks.AtlasTask;
  import org.apache.atlas.repository.graphdb.AtlasGraph;
  import org.apache.atlas.repository.store.graph.AtlasRelationshipStore;
  import org.apache.atlas.repository.store.graph.v1.DeleteHandlerDelegate;
  import org.apache.atlas.repository.store.graph.v2.EntityGraphMapper;
  import org.apache.atlas.tasks.TaskFactory;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.stereotype.Component;
  
  import javax.inject.Inject;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  
  @Component
  public class ClassificationPropagateTaskFactory implements TaskFactory {
      private static final Logger LOG = LoggerFactory.getLogger(ClassificationPropagateTaskFactory.class);
  
      public static final String CLASSIFICATION_PROPAGATION_ADD                 = "CLASSIFICATION_PROPAGATION_ADD";
      public static final String CLASSIFICATION_PROPAGATION_DELETE              = "CLASSIFICATION_PROPAGATION_DELETE";
      public static final String CLASSIFICATION_PROPAGATION_RELATIONSHIP_UPDATE = "CLASSIFICATION_PROPAGATION_RELATIONSHIP_UPDATE";
  
      private static final List<String> SUPPORTED_TYPES = new ArrayList<>(Arrays.asList(CLASSIFICATION_PROPAGATION_ADD, CLASSIFICATION_PROPAGATION_DELETE, CLASSIFICATION_PROPAGATION_RELATIONSHIP_UPDATE));
  
      private final AtlasGraph             graph;
      private final EntityGraphMapper      entityGraphMapper;
      private final DeleteHandlerDelegate  deleteDelegate;
      private final AtlasRelationshipStore relationshipStore;
  
      @Inject
      public ClassificationPropagateTaskFactory(AtlasGraph graph, EntityGraphMapper entityGraphMapper, DeleteHandlerDelegate deleteDelegate, AtlasRelationshipStore relationshipStore) {
          this.graph             = graph;
          this.entityGraphMapper = entityGraphMapper;
          this.deleteDelegate    = deleteDelegate;
          this.relationshipStore = relationshipStore;
      }
  
      public org.apache.atlas.tasks.AbstractTask create(AtlasTask task) {
          String taskType = task.getType();
          String taskGuid = task.getGuid();
  
          switch (taskType) {
              case CLASSIFICATION_PROPAGATION_ADD:
                  return new ClassificationPropagationTasks.Add(task, graph, entityGraphMapper, deleteDelegate, relationshipStore);
  
              case CLASSIFICATION_PROPAGATION_DELETE:
                  return new ClassificationPropagationTasks.Delete(task, graph, entityGraphMapper, deleteDelegate, relationshipStore);
  
              case CLASSIFICATION_PROPAGATION_RELATIONSHIP_UPDATE:
                  return new ClassificationPropagationTasks.UpdateRelationship(task, graph, entityGraphMapper, deleteDelegate, relationshipStore);
  
              default:
                  LOG.warn("Type: {} - {} not found!. The task will be ignored.", taskType, taskGuid);
                  return null;
          }
      }
  
      @Override
      public List<String> getSupportedTypes() {
          return SUPPORTED_TYPES;
      }
  }
  