Example usage for org.apache.hadoop.mapreduce.v2.api.records JobReport getJobState

Introduction

In this page you can find the example usage for org.apache.hadoop.mapreduce.v2.api.records JobReport getJobState.

Prototype

public abstract JobState getJobState();

Source Link

Usage

From source file:org.apache.tez.dag.app.JobEndNotifier.java

License:Apache License

/**
 * Notify a server of the completion of a submitted job. The user must have
 * configured MRJobConfig.MR_JOB_END_NOTIFICATION_URL
 * @param jobReport JobReport used to read JobId and JobStatus
 * @throws InterruptedException//from   www  .j  a  v  a 2 s  . co m
 */
public void notify(JobReport jobReport) throws InterruptedException {
    // Do we need job-end notification?
    if (userUrl == null) {
        Log.info("Job end notification URL not set, skipping.");
        return;
    }

    //Do string replacements for jobId and jobStatus
    if (userUrl.contains(JOB_ID)) {
        userUrl = userUrl.replace(JOB_ID, jobReport.getJobId().toString());
    }
    if (userUrl.contains(JOB_STATUS)) {
        userUrl = userUrl.replace(JOB_STATUS, jobReport.getJobState().toString());
    }

    // Create the URL, ensure sanity
    try {
        urlToNotify = new URL(userUrl);
    } catch (MalformedURLException mue) {
        Log.warn("Job end notification couldn't parse " + userUrl, mue);
        return;
    }

    // Send notification
    boolean success = false;
    while (numTries-- > 0 && !success) {
        Log.info("Job end notification attempts left " + numTries);
        success = notifyURLOnce();
        if (!success) {
            Thread.sleep(waitInterval);
        }
    }
    if (!success) {
        Log.warn("Job end notification failed to notify : " + urlToNotify);
    } else {
        Log.info("Job end notification succeeded for " + jobReport.getJobId());
    }
}

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