com.github.pmerienne.trident.ml.stats

Class StreamStatisticsUpdater

java.lang.Object

storm.trident.operation.BaseOperation

storm.trident.state.BaseStateUpdater<storm.trident.state.map.MapState<StreamStatistics>>

com.github.pmerienne.trident.ml.stats.StreamStatisticsUpdater

All Implemented Interfaces:

Serializable, storm.trident.operation.Operation, storm.trident.state.StateUpdater<storm.trident.state.map.MapState<StreamStatistics>>

public class StreamStatisticsUpdater
extends storm.trident.state.BaseStateUpdater<storm.trident.state.map.MapState<StreamStatistics>>

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
StreamStatisticsUpdater()
StreamStatisticsUpdater(String streamName, StreamStatistics initialStatitics)

Method Summary

Methods

Modifier and Type	Method and Description
protected List<Instance<?>>	extractInstances(List<storm.trident.tuple.TridentTuple> tuples)
protected StreamStatistics	getStreamStatistics(storm.trident.state.map.MapState<StreamStatistics> state)
void	updateState(storm.trident.state.map.MapState<StreamStatistics> state, List<storm.trident.tuple.TridentTuple> tuples, storm.trident.operation.TridentCollector collector)
protected void	updateStatistics(StreamStatistics streamStatistics, List<Instance<?>> instances)

Methods inherited from class storm.trident.operation.BaseOperation

cleanup, prepare

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface storm.trident.operation.Operation

cleanup, prepare

Constructor Detail

StreamStatisticsUpdater

public StreamStatisticsUpdater()

StreamStatisticsUpdater

public StreamStatisticsUpdater(String streamName,
                       StreamStatistics initialStatitics)

Method Detail

updateState

public void updateState(storm.trident.state.map.MapState<StreamStatistics> state,
               List<storm.trident.tuple.TridentTuple> tuples,
               storm.trident.operation.TridentCollector collector)

extractInstances

protected List<Instance<?>> extractInstances(List<storm.trident.tuple.TridentTuple> tuples)

updateStatistics

protected void updateStatistics(StreamStatistics streamStatistics,
                    List<Instance<?>> instances)

getStreamStatistics

protected StreamStatistics getStreamStatistics(storm.trident.state.map.MapState<StreamStatistics> state)