Example usage for org.apache.hadoop.mapreduce Job isComplete

Introduction

In this page you can find the example usage for org.apache.hadoop.mapreduce Job isComplete.

Prototype

public boolean isComplete() throws IOException

Source Link

Document

Check if the job is finished or not.

Usage

From source file:weka.distributed.hadoop.HadoopJob.java

License:Open Source License

/**
 * Runs the supplied job/*from w w w  . ja  v a  2  s  . c o  m*/
 * 
 * @param job the job to run
 * @return true if the job was successful
 * @throws DistributedWekaException if a problem occurs
 */
protected boolean runJob(Job job) throws DistributedWekaException {
    try {
        m_stopRunningJob = false;
        if (DistributedJobConfig.isEmpty(getLoggingInterval())) {
            m_loggingInterval = "10";
        }
        int logInterval = Integer.parseInt(m_loggingInterval);
        System.out.println("Setting logging interval to " + logInterval);
        job.submit();

        try {
            int taskCompletionEventIndex = 0;
            while (!m_stopRunningJob && !job.isComplete()) {
                if (logInterval >= 1) {
                    printJobStatus(job);
                    taskCompletionEventIndex += logTaskMessages(job, taskCompletionEventIndex);

                    Thread.sleep(logInterval * 1000);
                } else {
                    Thread.sleep(60000);
                }
            }
        } catch (InterruptedException ie) {
            logMessage(ie.getMessage());
            m_stopRunningJob = true;
        }

        if (m_stopRunningJob && !job.isComplete()) {
            job.killJob();
        }
        m_stopRunningJob = false;

        return job.isSuccessful();
    } catch (Exception ex) {
        throw new DistributedWekaException(ex);
    }
}