| /** |
| * 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.hadoop.mapreduce.test.system; |
| |
| import java.util.List; |
| |
| import org.apache.hadoop.io.Writable; |
| import org.apache.hadoop.mapred.JobStatus; |
| import org.apache.hadoop.mapreduce.JobID; |
| |
| /** |
| * Job state information as seen by the JobTracker. |
| */ |
| public interface JobInfo extends Writable { |
| /** |
| * Gets the JobId of the job.<br/> |
| * |
| * @return id of the job. |
| */ |
| JobID getID(); |
| |
| /** |
| * Gets the current status of the job.<br/> |
| * |
| * @return status. |
| */ |
| JobStatus getStatus(); |
| |
| /** |
| * Gets the history location of the job.<br/> |
| * |
| * @return the path to the history file. |
| */ |
| String getHistoryUrl(); |
| |
| /** |
| * Gets the number of maps which are currently running for the job. <br/> |
| * |
| * @return number of running for the job. |
| */ |
| int runningMaps(); |
| |
| /** |
| * Gets the number of reduces currently running for the job. <br/> |
| * |
| * @return number of reduces running for the job. |
| */ |
| int runningReduces(); |
| |
| /** |
| * Gets the number of maps to be scheduled for the job. <br/> |
| * |
| * @return number of waiting maps. |
| */ |
| int waitingMaps(); |
| |
| /** |
| * Gets the number of reduces to be scheduled for the job. <br/> |
| * |
| * @return number of waiting reduces. |
| */ |
| int waitingReduces(); |
| |
| /** |
| * Gets the number of maps that are finished. <br/> |
| * @return the number of finished maps. |
| */ |
| int finishedMaps(); |
| |
| /** |
| * Gets the number of map tasks that are to be spawned for the job <br/> |
| * @return |
| */ |
| int numMaps(); |
| |
| /** |
| * Gets the number of reduce tasks that are to be spawned for the job <br/> |
| * @return |
| */ |
| int numReduces(); |
| |
| /** |
| * Gets the number of reduces that are finished. <br/> |
| * @return the number of finished reduces. |
| */ |
| int finishedReduces(); |
| |
| /** |
| * Gets if cleanup for the job has been launched.<br/> |
| * |
| * @return true if cleanup task has been launched. |
| */ |
| boolean isCleanupLaunched(); |
| |
| /** |
| * Gets if the setup for the job has been launched.<br/> |
| * |
| * @return true if setup task has been launched. |
| */ |
| boolean isSetupLaunched(); |
| |
| /** |
| * Gets if the setup for the job has been completed.<br/> |
| * |
| * @return true if the setup task for the job has completed. |
| */ |
| boolean isSetupFinished(); |
| |
| /** |
| * Gets list of blacklisted trackers for the particular job. <br/> |
| * |
| * @return list of blacklisted tracker name. |
| */ |
| List<String> getBlackListedTrackers(); |
| |
| /** |
| * Gets if the history file of the job is copied to the done |
| * location <br/> |
| * |
| * @return true if history file copied. |
| */ |
| boolean isHistoryFileCopied(); |
| } |