Examples with BJoin edu.iu.dsc.tws.comms.batch.BJoin used on opensource projects

Example 1 with BJoin

use of edu.iu.dsc.tws.comms.batch.BJoin in project twister2 by DSC-SPIDAL.

the class BDJoinExample method compute.

@Override
protected void compute(WorkerEnvironment workerEnv) {
    LogicalPlanBuilder logicalPlanBuilder = LogicalPlanBuilder.plan(jobParameters.getSources(), jobParameters.getTargets(), workerEnv).withFairDistribution();
    // create the communication
    join = new BJoin(workerEnv.getCommunicator(), logicalPlanBuilder, MessageTypes.INTEGER, MessageTypes.INTEGER_ARRAY, MessageTypes.INTEGER_ARRAY, new JoinReceiver(), new SimpleKeyBasedSelector(), true, Comparator.comparingInt(o -> (Integer) o), CommunicationContext.JoinType.INNER, CommunicationContext.JoinAlgorithm.SORT);
    Set<Integer> tasksOfExecutor = logicalPlanBuilder.getSourcesOnThisWorker();
    // now initialize the workers
    LOG.log(Level.INFO, String.format("%d Sources %s target %d this %s", workerId, logicalPlanBuilder.getSources(), 1, tasksOfExecutor));
    for (int t : tasksOfExecutor) {
        // the map thread where data is produced
        Thread mapThread = new Thread(new MapWorker(t));
        mapThread.start();
    }
}

Example 2 with BJoin

use of edu.iu.dsc.tws.comms.batch.BJoin in project twister2 by DSC-SPIDAL.

the class BJoinStudentExample method compute.

@Override
protected void compute(WorkerEnvironment workerEnv) {
    LogicalPlanBuilder logicalPlanBuilder = LogicalPlanBuilder.plan(jobParameters.getSources(), jobParameters.getTargets(), workerEnv).withFairDistribution();
    // create the join communication
    join = new BJoin(workerEnv.getCommunicator(), logicalPlanBuilder, MessageTypes.INTEGER, MessageTypes.OBJECT, MessageTypes.OBJECT, new JoinReceiver(), new SimpleKeyBasedSelector(), false, (o1, o2) -> {
        if (o1 instanceof String && o2 instanceof String) {
            return ((String) o1).compareTo((String) o2);
        }
        return 0;
    }, CommunicationContext.JoinType.INNER, CommunicationContext.JoinAlgorithm.SORT);
    Set<Integer> tasksOfExecutor = logicalPlanBuilder.getSourcesOnThisWorker();
    // now initialize the workers
    LOG.log(Level.INFO, String.format("%d Sources %s target %d this %s", workerId, logicalPlanBuilder.getSources(), 1, tasksOfExecutor));
    for (int t : tasksOfExecutor) {
        // the map thread where data is produced
        Thread mapThread = new Thread(new MapWorker(t));
        mapThread.start();
    }
}

Example 3 with BJoin

use of edu.iu.dsc.tws.comms.batch.BJoin in project twister2 by DSC-SPIDAL.

the class BJoinExample method compute.

@Override
protected void compute(WorkerEnvironment workerEnv) {
    Set<Integer> sources = new HashSet<>();
    Set<Integer> targets = new HashSet<>();
    Integer noOfSourceTasks = jobParameters.getTaskStages().get(0);
    for (int i = 0; i < noOfSourceTasks; i++) {
        sources.add(i);
    }
    Integer noOfTargetTasks = jobParameters.getTaskStages().get(1);
    for (int i = 0; i < noOfTargetTasks; i++) {
        targets.add(noOfSourceTasks + i);
    }
    LogicalPlanBuilder logicalPlanBuilder = LogicalPlanBuilder.plan(jobParameters.getSources(), jobParameters.getTargets(), workerEnv).withFairDistribution();
    // create the communication
    join = new BJoin(workerEnv.getCommunicator(), logicalPlanBuilder, MessageTypes.INTEGER, MessageTypes.INTEGER_ARRAY, MessageTypes.INTEGER_ARRAY, new JoinReceiver(), new SimpleKeyBasedSelector(), false, Comparator.comparingInt(o -> (Integer) o), CommunicationContext.JoinType.INNER, CommunicationContext.JoinAlgorithm.SORT);
    Set<Integer> tasksOfExecutor = logicalPlanBuilder.getSourcesOnThisWorker();
    // now initialize the workers
    LOG.log(Level.INFO, String.format("%d Sources %s target %d this %s", workerId, sources, 1, tasksOfExecutor));
    for (int t : tasksOfExecutor) {
        // the map thread where data is produced
        Thread mapThread = new Thread(new JoinedKeyedBenchWorker.MapWorker(t));
        mapThread.start();
    }
}