How to use

persistentAggregate

method

in

storm.trident.fluent.GroupedStream

public TridentState persistentAggregate(StateSpec spec, CombinerAggregator agg, Fields functionFields) {
  return persistentAggregate(spec, null, agg, functionFields);
}

public TridentState persistentAggregate(StateSpec spec, ReducerAggregator agg, Fields functionFields) {
  return persistentAggregate(spec, null, agg, functionFields);
}

public TridentState persistentAggregate(StateFactory stateFactory, CombinerAggregator agg, Fields functionFields) {
  return persistentAggregate(new StateSpec(stateFactory), agg, functionFields);
}

public TridentState persistentAggregate(StateFactory stateFactory, ReducerAggregator agg, Fields functionFields) {
  return persistentAggregate(new StateSpec(stateFactory), agg, functionFields);
}

public TridentState persistentAggregate(StateFactory stateFactory, Fields inputFields, CombinerAggregator agg, Fields functionFields) {
  return persistentAggregate(new StateSpec(stateFactory), inputFields, agg, functionFields);
}

public TridentState persistentAggregate(StateFactory stateFactory, Fields inputFields, ReducerAggregator agg, Fields functionFields) {
  return persistentAggregate(new StateSpec(stateFactory), inputFields, agg, functionFields);
}

public static StormTopology buildTopology(LocalDRPC drpc) {
  FixedBatchSpout spout = new FixedBatchSpout(new Fields("word"), 3, new Values("the cow jumped over the moon"),
      new Values("the man went to the store and bought some candy"),
      new Values("four score and seven years ago"), new Values("how many apples can you eat"),
      new Values("to be or not to be the person"));
  spout.setCycle(true);
  
  TridentTopology topology = new TridentTopology();
  TridentState wordCounts = topology.newStream("spout1", spout).parallelismHint(16).flatMap(split).map(toUpper)
      .filter(theFilter).peek(new Consumer() {
        @Override
        public void accept(TridentTuple input) {
          System.out.println(input.getString(0));
        }
      }).groupBy(new Fields("word"))
      .persistentAggregate(new MemoryMapState.Factory(), new Count(), new Fields("count"))
      .parallelismHint(16);
      
  topology.newDRPCStream("words", drpc).flatMap(split).groupBy(new Fields("args"))
      .stateQuery(wordCounts, new Fields("args"), new MapGet(), new Fields("count")).filter(new FilterNull())
      .aggregate(new Fields("count"), new Sum(), new Fields("sum"));
  return topology.build();
}

public static StormTopology buildTopology(LocalDRPC drpc) {
  FixedBatchSpout spout = new FixedBatchSpout(new Fields("sentence"), 3,
      new Values("the cow jumped over the moon"),
      new Values("the man went to the store and bought some candy"),
      new Values("four score and seven years ago"), new Values("how many apples can you eat"),
      new Values("to be or not to be the person"));
  spout.setCycle(true);
  
  TridentTopology topology = new TridentTopology();
  TridentState wordCounts = topology.newStream("spout1", spout).parallelismHint(16)
      .each(new Fields("sentence"), new Split(), new Fields("word")).groupBy(new Fields("word"))
      .persistentAggregate(new MemoryMapState.Factory(), new Count(), new Fields("count"))
      .parallelismHint(16);
      
  topology.newDRPCStream("words", drpc).each(new Fields("args"), new Split(), new Fields("word"))
      .groupBy(new Fields("word"))
      .stateQuery(wordCounts, new Fields("word"), new MapGet(), new Fields("count"))
      .each(new Fields("count"), new FilterNull())
      .aggregate(new Fields("count"), new Sum(), new Fields("sum"));
  return topology.build();
}

TridentState wordCounts = topology.newStream("spout1", spout).parallelismHint(spout_Parallelism_hint)
    .each(new Fields("sentence"), new Split(), new Fields("word")).parallelismHint(split_Parallelism_hint).groupBy(new Fields("word"))
    .persistentAggregate(new MemoryMapState.Factory(), new Count(), new Fields("count"))
    .parallelismHint(count_Parallelism_hint);

public TridentState persistentAggregate(StateSpec spec, CombinerAggregator agg, Fields functionFields) {
  return persistentAggregate(spec, null, agg, functionFields);
}

public TridentState persistentAggregate(StateSpec spec, ReducerAggregator agg, Fields functionFields) {
  return persistentAggregate(spec, null, agg, functionFields);
}

public TridentState persistentAggregate(StateSpec spec, ReducerAggregator agg, Fields functionFields) {
  return persistentAggregate(spec, null, agg, functionFields);
}    

public TridentState persistentAggregate(StateSpec spec, CombinerAggregator agg, Fields functionFields) {
  return persistentAggregate(spec, null, agg, functionFields);
}

public TridentState persistentAggregate(StateFactory stateFactory, ReducerAggregator agg, Fields functionFields) {
  return persistentAggregate(new StateSpec(stateFactory), agg, functionFields);
}

public TridentState persistentAggregate(StateFactory stateFactory, Fields inputFields, CombinerAggregator agg, Fields functionFields) {
  return persistentAggregate(new StateSpec(stateFactory), inputFields, agg, functionFields);
}

public TridentState persistentAggregate(StateFactory stateFactory, Fields inputFields, ReducerAggregator agg, Fields functionFields) {
  return persistentAggregate(new StateSpec(stateFactory), inputFields, agg, functionFields);
}

public TridentState persistentAggregate(StateFactory stateFactory, Fields inputFields, CombinerAggregator agg, Fields functionFields) {
  return persistentAggregate(new StateSpec(stateFactory), inputFields, agg, functionFields);
}

public TridentState persistentAggregate(StateFactory stateFactory, CombinerAggregator agg, Fields functionFields) {
  return persistentAggregate(new StateSpec(stateFactory), agg, functionFields);
}

public TridentState persistentAggregate(StateFactory stateFactory, CombinerAggregator agg, Fields functionFields) {
  return persistentAggregate(new StateSpec(stateFactory), agg, functionFields);
}

public TridentState persistentAggregate(StateFactory stateFactory, Fields inputFields, ReducerAggregator agg, Fields functionFields) {
  return persistentAggregate(new StateSpec(stateFactory), inputFields, agg, functionFields);
}