Examples with SGather edu.iu.dsc.tws.comms.stream.SGather used on opensource projects

Example 1 with SGather

use of edu.iu.dsc.tws.comms.stream.SGather in project twister2 by DSC-SPIDAL.

the class SGatherExample method compute.

@Override
protected void compute(WorkerEnvironment workerEnv) {
    if (jobParameters.getTargets() != 1) {
        LOG.warning("Setting targets to 1. Found, " + jobParameters.getTargets());
        jobParameters.getTaskStages().set(1, 1);
    }
    LogicalPlanBuilder logicalPlanBuilder = LogicalPlanBuilder.plan(jobParameters.getSources(), jobParameters.getTargets(), workerEnv);
    // create the communication
    gather = new SGather(workerEnv.getCommunicator(), logicalPlanBuilder, MessageTypes.INTEGER_ARRAY, new FinalReduceReceiver());
    Set<Integer> tasksOfExecutor = logicalPlanBuilder.getSourcesOnThisWorker();
    for (int t : tasksOfExecutor) {
        finishedSources.put(t, false);
    }
    if (tasksOfExecutor.size() == 0) {
        sourcesDone = true;
    }
    if (!logicalPlan.getLogicalIdsOfWorker(workerId).contains(logicalPlanBuilder.getTargets().iterator().next())) {
        gatherDone = true;
    }
    this.resultsVerifier = new ResultsVerifier<>(inputDataArray, (dataArray, args) -> {
        List<Tuple<Integer, int[]>> listOfArrays = new ArrayList<>();
        for (int i = 0; i < logicalPlanBuilder.getSources().size(); i++) {
            listOfArrays.add(new Tuple<>(i, dataArray));
        }
        return listOfArrays.iterator();
    }, new IteratorComparator<>(new TupleComparator<>(IntComparator.getInstance(), IntArrayComparator.getInstance())));
    // now initialize the workers
    for (int t : tasksOfExecutor) {
        // the map thread where data is produced
        Thread mapThread = new Thread(new BenchWorker.MapWorker(t));
        mapThread.start();
    }
}