Package org.apache.storm.trident.planner.processor

Class AggregateProcessor

java.lang.Object

org.apache.storm.trident.planner.processor.AggregateProcessor

All Implemented Interfaces:

Serializable, TridentProcessor, TupleReceiver

public class AggregateProcessor
extends Object
implements TridentProcessor

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
AggregateProcessor(Fields inputFields, Aggregator agg)

Method Summary

Modifier and Type	Method	Description
void	cleanup()
void	execute(ProcessorContext processorContext, String streamId, TridentTuple tuple)
void	finishBatch(ProcessorContext processorContext)
void	flush()
TridentTuple.Factory	getOutputFactory()
void	prepare(Map<String,Object> conf, TopologyContext context, TridentContext tridentContext)
void	startBatch(ProcessorContext processorContext)

Methods inherited from class java.lang.Object

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

Constructor Details

AggregateProcessor

public AggregateProcessor(Fields inputFields,
 Aggregator agg)

Method Details

prepare

public void prepare(Map<String,Object> conf,
 TopologyContext context,
 TridentContext tridentContext)

Specified by:

prepare in interface TridentProcessor

cleanup

public void cleanup()

Specified by:

cleanup in interface TridentProcessor

startBatch

public void startBatch(ProcessorContext processorContext)

Specified by:

startBatch in interface TridentProcessor

execute

public void execute(ProcessorContext processorContext,
 String streamId,
 TridentTuple tuple)

Specified by:

execute in interface TupleReceiver

flush

public void flush()

Specified by:

flush in interface TupleReceiver

finishBatch

public void finishBatch(ProcessorContext processorContext)

Specified by:

finishBatch in interface TridentProcessor

getOutputFactory

public TridentTuple.Factory getOutputFactory()

Specified by:

getOutputFactory in interface TridentProcessor