Example usage for org.apache.hadoop.mapred.jobcontrol JobControl getRunningJobList

Introduction

In this page you can find the example usage for org.apache.hadoop.mapred.jobcontrol JobControl getRunningJobList.

Prototype

public List<ControlledJob> getRunningJobList() 

Source Link

Usage

From source file:com.jbw.jobcontrol.Patent.java

@Override
public int run(String[] strings) throws Exception {
    Configuration conf = getConf();
    Job job1 = Job.getInstance(conf);// ww  w .jav a 2s . c  om
    job1.setJobName("test");
    job1.setJarByClass(Patent.class);

    ChainMapper.addMapper(job1, InverseMapper.class, LongWritable.class, Text.class, Text.class, Text.class,
            conf);
    ChainMapper.addMapper(job1, CountMapper.class, Text.class, Text.class, Text.class, IntWritable.class, conf);

    job1.setReducerClass(IntSumReducer.class);

    Job job2 = Job.getInstance();
    ControlledJob cjob1 = new ControlledJob(job1.getConfiguration());
    ControlledJob cjob2 = new ControlledJob(job2.getConfiguration());
    cjob2.addDependingJob(cjob1);
    JobControl jc = new JobControl("process job");
    jc.addJob(cjob1);
    jc.addJob(cjob2);
    Thread t = new Thread(jc);
    t.start();
    while (true) {
        for (ControlledJob j : jc.getRunningJobList()) {
            break;
        }
        break;
    }
    return 0;
}

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