public static Job run(final Key dest, final KMeansModel model, final ValueArray ary) {
final ChunkProgressJob job = new ChunkProgressJob(ary.chunks(), dest);
new ValueArray(dest, 0).delete_and_lock(job.self());
final H2OCountedCompleter fjtask =
new H2OCountedCompleter() {
@Override
public void compute2() {
KMeansApply kms = new KMeansApply();
kms._job = job;
kms._arykey = ary._key;
kms._cols = model.columnMapping(ary.colNames());
kms._clusters = model._clusters;
kms._normalized = model._normalized;
kms.invoke(ary._key);
Column c = new Column();
c._name = Constants.RESPONSE;
c._size = ROW_SIZE;
c._scale = 1;
c._min = 0;
c._max = model._clusters.length;
c._mean = Double.NaN;
c._sigma = Double.NaN;
c._domain = null;
c._n = ary.numRows();
ValueArray res = new ValueArray(dest, ary.numRows(), c._size, new Column[] {c});
res.unlock(job.self());
job.remove();
tryComplete();
}
@Override
public boolean onExceptionalCompletion(Throwable ex, CountedCompleter caller) {
job.onException(ex);
return super.onExceptionalCompletion(ex, caller);
}
};
job.start(fjtask);
H2O.submitTask(fjtask);
return job;
}
