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

Example 1 with SinkFunc

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

the class ReduceExample 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);
    ReduceTLink<Integer> reduce = src.reduce(Integer::sum);
    LOG.info("test foreach");
    reduce.forEach(i -> LOG.info("foreach: " + i));
    LOG.info("test map");
    reduce.map(i -> i.toString() + "$$").withSchema(PrimitiveSchemas.STRING).direct().forEach(s -> LOG.info("map: " + s));
    LOG.info("test flat map");
    reduce.flatmap((i, c) -> c.collect(i.toString() + "##")).withSchema(PrimitiveSchemas.STRING).direct().forEach(s -> LOG.info("flat:" + s));
    LOG.info("test compute");
    reduce.compute((ComputeFunc<Integer, String>) input -> "sum=" + input).withSchema(PrimitiveSchemas.STRING).direct().forEach(s -> LOG.info("compute: " + s));
    LOG.info("test computec");
    reduce.compute((ComputeCollectorFunc<Integer, String>) (input, output) -> output.collect("sum=" + input)).withSchema(PrimitiveSchemas.STRING).direct().forEach(s -> LOG.info("computec: " + s));
    LOG.info("test map2tup");
    reduce.mapToTuple(i -> new Tuple<>(i, i.toString())).keyedDirect().forEach(i -> LOG.info("mapToTuple: " + i.toString()));
    LOG.info("test sink");
    SinkTSet<Integer> sink = reduce.sink((SinkFunc<Integer>) value -> {
        LOG.info("val =" + value);
        return true;
    });
    env.run(sink);
}

Example 2 with SinkFunc

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

the class TSetGatherExample method execute.

@Override
public void execute(WorkerEnvironment workerEnv) {
    super.execute(workerEnv);
    BatchEnvironment env = TSetEnvironment.initBatch(workerEnv);
    // set the parallelism of source to task stage 0
    int srcPara = jobParameters.getTaskStages().get(0);
    int sinkPara = jobParameters.getTaskStages().get(1);
    SourceTSet<int[]> source = env.createSource(new TestBaseSource(), srcPara).setName("Source");
    GatherTLink<int[]> gather = source.gather();
    SinkTSet<Iterator<Tuple<Integer, int[]>>> sink = gather.sink((SinkFunc<Iterator<Tuple<Integer, int[]>>>) val -> {
        int[] value = null;
        while (val.hasNext()) {
            value = val.next().getValue();
        }
        experimentData.setOutput(value);
        LOG.info("Results " + Arrays.toString(value));
        try {
            verify(OperationNames.GATHER);
        } catch (VerificationException e) {
            LOG.info("Exception Message : " + e.getMessage());
        }
        return true;
    });
    env.run(sink);
}

Example 3 with SinkFunc

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

the class HadoopTSet method execute.

@Override
public void execute(Config config, JobAPI.Job job, IWorkerController workerController, IPersistentVolume persistentVolume, IVolatileVolume volatileVolume) {
    int workerId = workerController.getWorkerInfo().getWorkerID();
    WorkerEnvironment workerEnv = WorkerEnvironment.init(config, job, workerController, persistentVolume, volatileVolume);
    BatchEnvironment tSetEnv = TSetEnvironment.initBatch(workerEnv);
    Configuration configuration = new Configuration();
    configuration.addResource(new Path(HdfsDataContext.getHdfsConfigDirectory(config)));
    configuration.set(TextInputFormat.INPUT_DIR, "/input4");
    SourceTSet<String> source = tSetEnv.createHadoopSource(configuration, TextInputFormat.class, 4, new MapFunc<Tuple<LongWritable, Text>, String>() {

        @Override
        public String map(Tuple<LongWritable, Text> input) {
            return input.getKey().toString() + " : " + input.getValue().toString();
        }
    });
    SinkTSet<Iterator<String>> sink = source.direct().sink((SinkFunc<Iterator<String>>) value -> {
        while (value.hasNext()) {
            String next = value.next();
            LOG.info("Received value: " + next);
        }
        return true;
    });
    tSetEnv.run(sink);
}

Example 4 with SinkFunc

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

the class DirectExample 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");
    DirectTLink<Integer> direct = src.direct().setName("direct");
    LOG.info("test foreach");
    direct.forEach(i -> LOG.info("foreach: " + i));
    LOG.info("test map");
    direct.map(i -> i.toString() + "$$").setName("map").withSchema(PrimitiveSchemas.STRING).direct().forEach(s -> LOG.info("map: " + s));
    LOG.info("test flat map");
    direct.flatmap((i, c) -> c.collect(i.toString() + "##")).setName("flatmap").withSchema(PrimitiveSchemas.STRING).direct().forEach(s -> LOG.info("flat:" + s));
    LOG.info("test compute");
    direct.compute((ComputeFunc<Iterator<Integer>, String>) input -> {
        int sum = 0;
        while (input.hasNext()) {
            sum += input.next();
        }
        return "sum" + sum;
    }).setName("compute").withSchema(PrimitiveSchemas.STRING).direct().forEach(i -> LOG.info("comp: " + i));
    LOG.info("test computec");
    direct.compute((ComputeCollectorFunc<Iterator<Integer>, String>) (input, output) -> {
        int sum = 0;
        while (input.hasNext()) {
            sum += input.next();
        }
        output.collect("sum" + sum);
    }).setName("ccompute").withSchema(PrimitiveSchemas.STRING).direct().forEach(s -> LOG.info("computec: " + s));
    LOG.info("test map2tup");
    direct.mapToTuple(i -> new Tuple<>(i, i.toString())).keyedDirect().forEach(i -> LOG.info("mapToTuple: " + i.toString()));
    LOG.info("test sink");
    SinkTSet<Iterator<Integer>> sink = direct.sink((SinkFunc<Iterator<Integer>>) value -> {
        while (value.hasNext()) {
            LOG.info("val =" + value.next());
        }
        return true;
    });
    env.run(sink);
}

Example 5 with SinkFunc

use of edu.iu.dsc.tws.api.tset.fn.SinkFunc 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);
}