/*

  * 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.graph;

 import org.apache.giraph.conf.GiraphConfiguration;

 import org.apache.giraph.job.JobProgressTracker;

 import java.io.IOException;

 /**

  * Wrapper around JobProgressTracker which retries to connect and swallows

  * exceptions so app wouldn't crash if something goes wrong with progress

  * reports.

  */

 public interface JobProgressTrackerClient extends JobProgressTracker {

   /** Close the connections if any */

   void cleanup() throws IOException;

   /**

    * Initialize the client.

    * @param conf Job configuration

    * @throws Exception

    */

   void init(GiraphConfiguration conf) throws Exception;

 }