Exemple #1
0
 private void cancel(final String msg, JobState resultingState) {
   if (resultingState == JobState.CANCELLED) {
     Log.info("Job " + self() + "(" + description + ") was cancelled.");
   } else {
     Log.err("Job " + self() + "(" + description + ") failed.");
     Log.err(msg);
   }
   exception = msg;
   state = resultingState;
   // replace finished job by a job handle
   replaceByJobHandle();
   DKV.write_barrier();
   final Job job = this;
   H2O.submitTask(
       new H2OCountedCompleter() {
         @Override
         public void compute2() {
           job.onCancelled();
         }
       });
 }
Exemple #2
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 /**
  * Forks computation of this job.
  *
  * <p>The call does not block.
  *
  * @return always returns this job.
  */
 public Job fork() {
   init();
   H2OCountedCompleter task =
       new H2OCountedCompleter() {
         @Override
         public void compute2() {
           try {
             try {
               // Exec always waits till the end of computation
               Job.this.exec();
               Job.this.remove();
             } catch (Throwable t) {
               if (!(t instanceof ExpectedExceptionForDebug)) Log.err(t);
               Job.this.cancel(t);
             }
           } finally {
             tryComplete();
           }
         }
       };
   start(task);
   H2O.submitTask(task);
   return this;
 }
Exemple #3
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 /**
  * Cross-Validate this Job (to be overridden for each instance, which also calls
  * genericCrossValidation)
  *
  * @param splits Frames containing train/test splits
  * @param cv_preds Store the predictions for each cross-validation run
  * @param offsets Array to store the offsets of starting row indices for each cross-validation
  *     run
  * @param i Which fold of cross-validation to perform
  */
 public void crossValidate(Frame[] splits, Frame[] cv_preds, long[] offsets, int i) {
   throw H2O.unimpl();
 }