Examples with ComputeFunc edu.iu.dsc.tws.api.tset.fn.ComputeFunc used on opensource projects

Example 11 with ComputeFunc

use of edu.iu.dsc.tws.api.tset.fn.ComputeFunc in project twister2 by DSC-SPIDAL.

the class BroadcastExample method execute.

@Override
public void execute(WorkerEnvironment workerEnv) {
    BatchEnvironment env = TSetEnvironment.initBatch(workerEnv);
    SourceTSet<Integer> src = dummySource(env, COUNT, 1);
    ReplicateTLink<Integer> replicate = src.replicate(PARALLELISM);
    LOG.info("test foreach");
    replicate.forEach(i -> LOG.info("foreach: " + i));
    LOG.info("test map");
    replicate.map(i -> i.toString() + "$$").direct().forEach(s -> LOG.info("map: " + s));
    LOG.info("test flat map");
    replicate.flatmap((i, c) -> c.collect(i.toString() + "##")).direct().forEach(s -> LOG.info("flat:" + s));
    LOG.info("test compute");
    replicate.compute((ComputeFunc<Iterator<Integer>, String>) input -> {
        int sum = 0;
        while (input.hasNext()) {
            sum += input.next();
        }
        return "sum" + sum;
    }).direct().forEach(i -> LOG.info("comp: " + i));
    LOG.info("test computec");
    replicate.compute((ComputeCollectorFunc<Iterator<Integer>, String>) (input, output) -> {
        int sum = 0;
        while (input.hasNext()) {
            sum += input.next();
        }
        output.collect("sum" + sum);
    }).direct().forEach(s -> LOG.info("computec: " + s));
    LOG.info("test sink");
    SinkTSet<Iterator<Integer>> sink = replicate.sink((SinkFunc<Iterator<Integer>>) value -> {
        while (value.hasNext()) {
            LOG.info("val =" + value.next());
        }
        return true;
    });
    env.run(sink);
}

Example 12 with ComputeFunc

use of edu.iu.dsc.tws.api.tset.fn.ComputeFunc in project twister2 by DSC-SPIDAL.

the class ComputeExample method execute.

@Override
public void execute(WorkerEnvironment workerEnv) {
    BatchEnvironment env = TSetEnvironment.initBatch(workerEnv);
    int start = env.getWorkerID() * 100;
    SourceTSet<Integer> src = dummySource(env, start, COUNT, PARALLELISM).setName("src").withSchema(PrimitiveSchemas.INTEGER);
    ComputeTSet<Integer> sum = src.direct().compute((ComputeFunc<Iterator<Integer>, Integer>) input -> {
        int s = 0;
        while (input.hasNext()) {
            s += input.next();
        }
        return s;
    }).withSchema(PrimitiveSchemas.INTEGER).setName("sum");
    sum.direct().forEach(data -> LOG.info("val: " + data));
    sum.reduce(Integer::sum).forEach(i -> LOG.info("red: " + i));
}