001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    
019    package org.apache.hadoop.mapred.jobcontrol;
020    
021    import java.util.ArrayList;
022    import java.util.Collection;
023    import java.util.List;
024    
025    import org.apache.hadoop.classification.InterfaceAudience;
026    import org.apache.hadoop.classification.InterfaceStability;
027    import org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob;
028    
029    /**
030     *@deprecated Use 
031     *{@link org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl} instead
032     **/
033    @Deprecated
034    @InterfaceAudience.Public
035    @InterfaceStability.Stable
036    public class JobControl extends 
037        org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl {
038    
039      /** 
040       * Construct a job control for a group of jobs.
041       * @param groupName a name identifying this group
042       */
043      public JobControl(String groupName) {
044        super(groupName);
045      }
046      
047      static ArrayList<Job> castToJobList(List<ControlledJob> cjobs) {
048        ArrayList<Job> ret = new ArrayList<Job>();
049        for (ControlledJob job : cjobs) {
050          ret.add((Job)job);
051        }
052        return ret;
053      }
054      
055      /**
056       * @return the jobs in the waiting state
057       */
058      public ArrayList<Job> getWaitingJobs() {
059        return castToJobList(super.getWaitingJobList());
060      }
061            
062      /**
063       * @return the jobs in the running state
064       */
065      public ArrayList<Job> getRunningJobs() {
066        return castToJobList(super.getRunningJobList());
067      }
068            
069      /**
070       * @return the jobs in the ready state
071       */
072      public ArrayList<Job> getReadyJobs() {
073        return castToJobList(super.getReadyJobsList());
074      }
075            
076      /**
077       * @return the jobs in the success state
078       */
079      public ArrayList<Job> getSuccessfulJobs() {
080        return castToJobList(super.getSuccessfulJobList());
081      }
082            
083      public ArrayList<Job> getFailedJobs() {
084        return castToJobList(super.getFailedJobList());
085      }
086    
087      /**
088       * Add a collection of jobs
089       * 
090       * @param jobs
091       */
092      public void addJobs(Collection <Job> jobs) {
093        for (Job job : jobs) {
094          addJob(job);
095        }
096      }
097    
098      /**
099       * @return the thread state
100       */
101      public int getState() {
102        ThreadState state = super.getThreadState();
103        if (state == ThreadState.RUNNING) {
104          return 0;
105        } 
106        if (state == ThreadState.SUSPENDED) {
107          return 1;
108        }
109        if (state == ThreadState.STOPPED) {
110          return 2;
111        }
112        if (state == ThreadState.STOPPING) {
113          return 3;
114        }
115        if (state == ThreadState.READY ) {
116          return 4;
117        }
118        return -1;
119      }
120    
121    }