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.ogm;
  
  import org.apache.atlas.model.AtlasBaseModelObject;
  import org.apache.atlas.model.instance.AtlasEntity;
  import org.apache.atlas.type.AtlasEntityType;
  import org.apache.atlas.type.AtlasTypeRegistry;
  import org.apache.commons.lang3.StringUtils;
  
  public abstract class AbstractDataTransferObject<T extends AtlasBaseModelObject> implements DataTransferObject<T> {
      private final AtlasTypeRegistry typeRegistry;
      private final Class<T>          objectType;
      private final String            entityTypeName;
  
      protected AbstractDataTransferObject(AtlasTypeRegistry typeRegistry, Class<T> tClass) {
          this(typeRegistry, tClass, tClass.getSimpleName());
      }
  
      protected AbstractDataTransferObject(AtlasTypeRegistry typeRegistry, Class<T> tClass, String entityTypeName) {
          this.typeRegistry   = typeRegistry;
          this.objectType     = tClass;
          this.entityTypeName = entityTypeName;
      }
  
      @Override
      public Class<T> getObjectType() {
          return objectType;
      }
  
      @Override
      public AtlasEntityType getEntityType() {
          return typeRegistry.getEntityTypeByName(entityTypeName);
      }
  
      public void setGuid(T o, AtlasEntity entity) {
          o.setGuid(entity.getGuid());
      }
  
      protected AtlasEntity getDefaultAtlasEntity(T obj) {
          AtlasEntity ret = getEntityType().createDefaultValue();
  
          if (obj != null) {
              if (StringUtils.isNotEmpty(obj.getGuid())) {
                  ret.setGuid(obj.getGuid());
              }
          }
  
          return ret;
      }
  }
  