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:
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionvoid
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
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Constructor Details
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FirstNAgg
public FirstNAgg(int n)
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Method Details
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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)
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