/**
* Signal exceptional cancellation of this job.
*
* @param ex exception causing the termination of job.
*/
public void failed(Throwable ex) {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
ex.printStackTrace(pw);
String stackTrace = sw.toString();
changeJobState(
"Got exception '" + ex.getClass() + "', with msg '" + ex.getMessage() + "'\n" + stackTrace,
JobState.FAILED);
// if(_fjtask != null && !_fjtask.isDone()) _fjtask.completeExceptionally(ex);
}
/**
* Signal exceptional cancellation of this job.
*
* @param msg cancellation message explaining reason for cancellation
*/
public void cancel(final String msg) {
changeJobState(msg, msg == null ? JobState.CANCELLED : JobState.FAILED);
}
/**
* Signal cancellation of this job.
*
* <p>The job will be switched to state {@link JobState#CANCELLED} which signals that the job was
* cancelled by a user.
*/
public void cancel() {
changeJobState(null, JobState.CANCELLED);
}
/** Marks job as finished and records job end time. */
public void done() {
changeJobState(null, JobState.DONE);
}