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/* Licensed 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
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.camunda.bpm.engine.impl.db;

import java.util.Map;
import java.util.Set;

/**
 * @author Daniel Meyer
 *
 */
public interface HasDbReferences {

  /**
   * @return the ids of the entities that this entity references. Should
   *   only return ids for entities of the same type
   */
  Set getReferencedEntityIds();

  /**
   * @return a map of the ids and the entities' classes that this
   * entity references. It's used when trying to determine if there
   * was an Optimistic Locking occurrence on an INSERT or UPDATE of
   * an object of this type.
   */
  Map getReferencedEntitiesIdAndClass();
}