/** Finds a job with given dest key or returns null */
public static Job findJobByDest(final Key destKey) {
Job job = null;
for (Job current : Job.all()) {
if (current.dest().equals(destKey)) {
job = current;
break;
}
}
return job;
}
// Expand grid search related argument sets
@Override
protected NanoHTTPD.Response serveGrid(NanoHTTPD server, Properties parms, RequestType type) {
String[][] values = new String[_arguments.size()][];
boolean gridSearch = false;
for (int i = 0; i < _arguments.size(); i++) {
Argument arg = _arguments.get(i);
if (arg._gridable) {
String value = _parms.getProperty(arg._name);
if (value != null) {
// Skips grid if argument is an array, except if imbricated expression
// Little hackish, waiting for real language
boolean imbricated = value.contains("(");
if (!arg._field.getType().isArray() || imbricated) {
values[i] = split(value);
if (values[i] != null && values[i].length > 1) gridSearch = true;
} else if (arg._field.getType().isArray()
&& !imbricated) { // Copy values which are arrays
values[i] = new String[] {value};
}
}
}
}
if (!gridSearch) return superServeGrid(server, parms, type);
// Ignore destination key so that each job gets its own
_parms.remove("destination_key");
for (int i = 0; i < _arguments.size(); i++)
if (_arguments.get(i)._name.equals("destination_key")) values[i] = null;
// Iterate over all argument combinations
int[] counters = new int[values.length];
ArrayList<Job> jobs = new ArrayList<Job>();
for (; ; ) {
Job job = (Job) create(_parms);
Properties combination = new Properties();
for (int i = 0; i < values.length; i++) {
if (values[i] != null) {
String value = values[i][counters[i]];
value = value.trim();
combination.setProperty(_arguments.get(i)._name, value);
_arguments.get(i).reset();
_arguments.get(i).check(job, value);
}
}
job._parms = combination;
jobs.add(job);
if (!increment(counters, values)) break;
}
GridSearch grid = new GridSearch();
grid.jobs = jobs.toArray(new Job[jobs.size()]);
return grid.superServeGrid(server, parms, type);
}
/**
* Block synchronously waiting for a job to end, success or not.
*
* @param jobkey Job to wait for.
* @param pollingIntervalMillis Polling interval sleep time.
*/
public static void waitUntilJobEnded(Key jobkey, int pollingIntervalMillis) {
while (true) {
if (Job.isEnded(jobkey)) {
return;
}
try {
Thread.sleep(pollingIntervalMillis);
} catch (Exception ignore) {
}
}
}
@Override
public float progress() {
double d = 0.1;
for (Job job : jobs) d += job.progress();
return Math.min(1f, (float) (d / jobs.length));
}
@Override
protected void onCancelled() {
for (Job job : jobs) job.cancel();
}
@Override
public void remove() {
super.remove();
UKV.remove(_progress);
}
/**
* Check if given job is running.
*
* @param job_key job key
* @return true if job is still running else returns false.
*/
public static boolean isRunning(Key job_key) {
Job j = UKV.get(job_key);
assert j != null : "Job should be always in DKV!";
return j.isRunning();
}