/*

  * 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.job;

 import org.apache.giraph.conf.ImmutableClassesGiraphConfigurable;

 import org.apache.giraph.conf.ImmutableClassesGiraphConfiguration;

 import org.apache.hadoop.mapreduce.Job;

 /**

  * Default implementation of job observer that does nothing.

  */

 public class DefaultJobObserver implements GiraphJobObserver,

     ImmutableClassesGiraphConfigurable {

   /** configuration object stored here */

   private ImmutableClassesGiraphConfiguration conf;

   @Override

   public void setConf(ImmutableClassesGiraphConfiguration configuration) {

     this.conf = configuration;

   }

   @Override

   public ImmutableClassesGiraphConfiguration getConf() {

     return this.conf;

   }

   @Override

   public void launchingJob(Job jobToSubmit) {

     // do nothing

   }

   @Override

   public void jobRunning(Job submittedJob) {

     // do nothing

   }

   @Override

   public void jobFinished(Job jobToSubmit, boolean passed) {

     // do nothing

   }

   @Override

   public void jobGotAllMappers(Job job) {

     // do nothing

   }

 }