/*

  * 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

  *

  *     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.apache.giraph.block_app.migration;

 /**

  * Implementation of execution stage holding information about migration

  * superstep.

  */

 public class MigrationSuperstepStageImpl implements MigrationSuperstepStage {

   private final int superstep;

   public MigrationSuperstepStageImpl() {

     this.superstep = 0;

   }

   public MigrationSuperstepStageImpl(int superstep) {

     this.superstep = superstep;

   }

   @Override

   public int getMigrationSuperstep() {

     return superstep;

   }

   @Override

   public MigrationSuperstepStageImpl changedMigrationSuperstep(int superstep) {

     return new MigrationSuperstepStageImpl(superstep);

   }

   @Override

   public String toString() {

     return "MigrationSuperstep[" + superstep + "]";

   }

 }