Package org.apache.storm.trident.operation.builtin

Class FirstN.FirstNAgg

java.lang.Object

org.apache.storm.trident.operation.BaseOperation

org.apache.storm.trident.operation.BaseAggregator<org.apache.storm.trident.operation.builtin.FirstN.FirstNAgg.State>

org.apache.storm.trident.operation.builtin.FirstN.FirstNAgg

All Implemented Interfaces:

Serializable, Aggregator<org.apache.storm.trident.operation.builtin.FirstN.FirstNAgg.State>, Operation

Enclosing class:

FirstN

public static class FirstN.FirstNAgg
extends BaseAggregator<org.apache.storm.trident.operation.builtin.FirstN.FirstNAgg.State>

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
FirstNAgg(int n)

Method Summary

Modifier and Type	Method	Description
void	aggregate(org.apache.storm.trident.operation.builtin.FirstN.FirstNAgg.State val, TridentTuple tuple, TridentCollector collector)
void	complete(org.apache.storm.trident.operation.builtin.FirstN.FirstNAgg.State val, TridentCollector collector)
org.apache.storm.trident.operation.builtin.FirstN.FirstNAgg.State	init(Object batchId, TridentCollector collector)

Methods inherited from class org.apache.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 org.apache.storm.trident.operation.Operation

cleanup, prepare

Constructor Details

FirstNAgg

public FirstNAgg(int n)

Method Details

init

public org.apache.storm.trident.operation.builtin.FirstN.FirstNAgg.State init(Object batchId,
 TridentCollector collector)

aggregate

public void aggregate(org.apache.storm.trident.operation.builtin.FirstN.FirstNAgg.State val,
 TridentTuple tuple,
 TridentCollector collector)

complete

public void complete(org.apache.storm.trident.operation.builtin.FirstN.FirstNAgg.State val,
 TridentCollector collector)