org.camunda.bpm.engine.impl.db.entitymanager.operation.comparator.DbEntityOperationComparator Maven / Gradle / Ivy

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/*
 * Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
 * under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright
 * ownership. Camunda licenses this file to you under the Apache License,
 * Version 2.0; 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.entitymanager.operation.comparator;

import java.util.Comparator;

import org.camunda.bpm.engine.impl.db.DbEntity;
import org.camunda.bpm.engine.impl.db.entitymanager.operation.DbEntityOperation;

/**
 * @author Daniel Meyer
 *
 */
public class DbEntityOperationComparator implements Comparator {

  public int compare(DbEntityOperation firstOperation, DbEntityOperation secondOperation) {

    if(firstOperation.equals(secondOperation)) {
      return 0;
    }

    DbEntity firstEntity = firstOperation.getEntity();
    DbEntity secondEntity = secondOperation.getEntity();

    return firstEntity.getId().compareTo(secondEntity.getId());
  }

}