Examples with SDirectTLink edu.iu.dsc.tws.tset.links.streaming.SDirectTLink used on opensource projects

Example 1 with SDirectTLink

use of edu.iu.dsc.tws.tset.links.streaming.SDirectTLink in project twister2 by DSC-SPIDAL.

the class SReduceWindowExample method execute.

@Override
public void execute(WorkerEnvironment workerEnv) {
    StreamingEnvironment env = TSetEnvironment.initStreaming(workerEnv);
    SSourceTSet<Integer> src = dummySource(env, ELEMENTS_IN_STREAM, PARALLELISM);
    SDirectTLink<Integer> link = src.direct();
    if (COUNT_WINDOWS) {
        if (PROCESS_WINDOW) {
            WindowComputeTSet<Iterator<Integer>> winTSet = link.countWindow(2);
            WindowComputeTSet<Iterator<Integer>> processedTSet = winTSet.process((WindowComputeFunc<Iterator<Integer>, Iterator<Integer>>) input -> {
                List<Integer> list = new ArrayList<>();
                while (input.hasNext()) {
                    list.add(input.next());
                }
                return list.iterator();
            });
            processedTSet.direct().forEach((ApplyFunc<Iterator<Integer>>) data -> {
                while (data.hasNext()) {
                    System.out.println(data.next());
                }
            });
        }
        if (REDUCE_WINDOW) {
            WindowComputeTSet<Integer> winTSet = link.countWindow(2);
            WindowComputeTSet<Integer> localReducedTSet = winTSet.aggregate((AggregateFunc<Integer>) Integer::sum);
            localReducedTSet.direct().forEach(x -> System.out.println(x));
        }
    }
    if (DURATION_WINDOWS) {
        if (PROCESS_WINDOW) {
            System.out.println("DURATION PROCESS WINDOW");
            WindowComputeTSet<Iterator<Integer>> winTSet = link.timeWindow(2, TimeUnit.MILLISECONDS);
            WindowComputeTSet<Iterator<Integer>> processedTSet = winTSet.process((WindowComputeFunc<Iterator<Integer>, Iterator<Integer>>) input -> {
                List<Integer> list = new ArrayList<>();
                while (input.hasNext()) {
                    list.add(input.next());
                }
                return list.iterator();
            });
            processedTSet.direct().forEach((ApplyFunc<Iterator<Integer>>) data -> {
                while (data.hasNext()) {
                    System.out.println(data.next());
                }
            });
        }
        if (REDUCE_WINDOW) {
            WindowComputeTSet<Integer> winTSet = link.timeWindow(2, TimeUnit.MILLISECONDS);
            WindowComputeTSet<Integer> localReducedTSet = winTSet.aggregate((AggregateFunc<Integer>) Integer::sum);
            localReducedTSet.direct().forEach(x -> System.out.println(x));
        // link.countWindow().reduce(a,b-> a + b)
        }
    }
    // Runs the entire TSet graph
    env.run();
}

Example 2 with SDirectTLink

use of edu.iu.dsc.tws.tset.links.streaming.SDirectTLink in project twister2 by DSC-SPIDAL.

the class SDirectExample method execute.

@Override
public void execute(WorkerEnvironment workerEnv) {
    StreamingEnvironment env = TSetEnvironment.initStreaming(workerEnv);
    SSourceTSet<Integer> src = dummySource(env, COUNT, PARALLELISM).setName("src");
    SDirectTLink<Integer> link = src.direct().setName("dir");
    link.map(i -> i * 2).setName("map").direct().forEach(i -> LOG.info("m" + i.toString()));
    link.flatmap((i, c) -> c.collect("fm" + i)).setName("flatmap").direct().forEach(i -> LOG.info(i.toString()));
    link.compute(i -> i + "C").setName("compute").direct().forEach(i -> LOG.info(i));
    link.mapToTuple(i -> new Tuple<>(i, i.toString())).keyedDirect().forEach(i -> LOG.info("mapToTuple: " + i.toString()));
    link.compute((input, output) -> output.collect(input + "DD")).setName("computec").direct().forEach(s -> LOG.info(s.toString()));
    // Runs the entire TSet graph
    env.run();
}