Examples with KeyedDirectTLink edu.iu.dsc.tws.tset.links.batch.KeyedDirectTLink used on opensource projects

Example 1 with KeyedDirectTLink

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

the class KeyedOperationsExample method execute.

@Override
public void execute(WorkerEnvironment workerEnv) {
    BatchEnvironment env = TSetEnvironment.initBatch(workerEnv);
    KeyedSourceTSet<String, Integer> kSource = dummyKeyedSource(env, COUNT, PARALLELISM);
    KeyedDirectTLink<String, Integer> kDirect = kSource.keyedDirect();
    kDirect.forEach(i -> LOG.info("d_fe: " + i.toString()));
    KeyedCachedTSet<String, Integer> cache = kDirect.cache();
    cache.keyedDirect().forEach(i -> LOG.info("c_d_fe: " + i.toString()));
    cache.keyedReduce(Integer::sum).forEach(i -> LOG.info("c_r_fe: " + i.toString()));
    cache.keyedGather().forEach((ApplyFunc<Tuple<String, Iterator<Integer>>>) data -> {
        StringBuilder sb = new StringBuilder();
        sb.append("c_g_fe: key ").append(data.getKey()).append("->");
        while (data.getValue().hasNext()) {
            sb.append(" ").append(data.getValue().next());
        }
        LOG.info(sb.toString());
    });
}