public class SingleEmitAggregator extends Object implements Aggregator<storm.trident.operation.impl.SingleEmitAggregator.SingleEmitState>
Modifier and Type | Class and Description |
---|---|
static interface |
SingleEmitAggregator.BatchToPartition |
Constructor and Description |
---|
SingleEmitAggregator(Aggregator agg,
SingleEmitAggregator.BatchToPartition batchToPartition) |
Modifier and Type | Method and Description |
---|---|
void |
aggregate(storm.trident.operation.impl.SingleEmitAggregator.SingleEmitState val,
TridentTuple tuple,
TridentCollector collector) |
void |
cleanup() |
void |
complete(storm.trident.operation.impl.SingleEmitAggregator.SingleEmitState val,
TridentCollector collector) |
storm.trident.operation.impl.SingleEmitAggregator.SingleEmitState |
init(Object batchId,
TridentCollector collector) |
void |
prepare(Map conf,
TridentOperationContext context) |
public SingleEmitAggregator(Aggregator agg, SingleEmitAggregator.BatchToPartition batchToPartition)
public storm.trident.operation.impl.SingleEmitAggregator.SingleEmitState init(Object batchId, TridentCollector collector)
init
in interface Aggregator<storm.trident.operation.impl.SingleEmitAggregator.SingleEmitState>
public void aggregate(storm.trident.operation.impl.SingleEmitAggregator.SingleEmitState val, TridentTuple tuple, TridentCollector collector)
aggregate
in interface Aggregator<storm.trident.operation.impl.SingleEmitAggregator.SingleEmitState>
public void complete(storm.trident.operation.impl.SingleEmitAggregator.SingleEmitState val, TridentCollector collector)
complete
in interface Aggregator<storm.trident.operation.impl.SingleEmitAggregator.SingleEmitState>
public void prepare(Map conf, TridentOperationContext context)
Copyright © 2016 The Apache Software Foundation. All Rights Reserved.