| /** |
| * 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.mapred.jobcontrol; |
| |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.hadoop.mapred.JobClient; |
| import org.apache.hadoop.mapred.JobConf; |
| import org.apache.hadoop.mapred.JobID; |
| import org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob; |
| |
| /** |
| * @deprecated Use {@link ControlledJob} instead. |
| */ |
| @Deprecated |
| @InterfaceAudience.Public |
| @InterfaceStability.Stable |
| public class Job extends ControlledJob { |
| static final Log LOG = LogFactory.getLog(Job.class); |
| |
| final public static int SUCCESS = 0; |
| final public static int WAITING = 1; |
| final public static int RUNNING = 2; |
| final public static int READY = 3; |
| final public static int FAILED = 4; |
| final public static int DEPENDENT_FAILED = 5; |
| |
| /** |
| * Construct a job. |
| * @param jobConf a mapred job configuration representing a job to be executed. |
| * @param dependingJobs an array of jobs the current job depends on |
| */ |
| @SuppressWarnings("unchecked") |
| public Job(JobConf jobConf, ArrayList<?> dependingJobs) throws IOException { |
| super(new org.apache.hadoop.mapreduce.Job(jobConf), |
| (List<ControlledJob>) dependingJobs); |
| } |
| |
| public Job(JobConf conf) throws IOException { |
| super(conf); |
| } |
| |
| /** |
| * @return the mapred ID of this job as assigned by the |
| * mapred framework. |
| */ |
| public JobID getAssignedJobID() { |
| org.apache.hadoop.mapreduce.JobID temp = super.getMapredJobID(); |
| if(temp == null) { |
| return null; |
| } |
| return JobID.downgrade(temp); |
| } |
| |
| /** |
| * @deprecated setAssignedJobID should not be called. |
| * JOBID is set by the framework. |
| */ |
| @Deprecated |
| public void setAssignedJobID(JobID mapredJobID) { |
| // do nothing |
| } |
| |
| /** |
| * @return the mapred job conf of this job |
| */ |
| public synchronized JobConf getJobConf() { |
| return new JobConf(super.getJob().getConfiguration()); |
| } |
| |
| |
| /** |
| * Set the mapred job conf for this job. |
| * @param jobConf the mapred job conf for this job. |
| */ |
| public synchronized void setJobConf(JobConf jobConf) { |
| try { |
| super.setJob(new org.apache.hadoop.mapreduce.Job(jobConf)); |
| } catch (IOException ioe) { |
| LOG.info("Exception" + ioe); |
| } |
| } |
| |
| /** |
| * @return the state of this job |
| */ |
| public synchronized int getState() { |
| State state = super.getJobState(); |
| if (state == State.SUCCESS) { |
| return SUCCESS; |
| } |
| if (state == State.WAITING) { |
| return WAITING; |
| } |
| if (state == State.RUNNING) { |
| return RUNNING; |
| } |
| if (state == State.READY) { |
| return READY; |
| } |
| if (state == State.FAILED ) { |
| return FAILED; |
| } |
| if (state == State.DEPENDENT_FAILED ) { |
| return DEPENDENT_FAILED; |
| } |
| return -1; |
| } |
| |
| /** |
| * @return the job client of this job |
| */ |
| public JobClient getJobClient() { |
| try { |
| return new JobClient(super.getJob().getConfiguration()); |
| } catch (IOException ioe) { |
| return null; |
| } |
| } |
| |
| /** |
| * @return the depending jobs of this job |
| */ |
| public ArrayList<Job> getDependingJobs() { |
| return JobControl.castToJobList(super.getDependentJobs()); |
| } |
| |
| } |