Package org.apache.storm.trident.spout
Class TridentSpoutExecutor
java.lang.Object
org.apache.storm.trident.spout.TridentSpoutExecutor
- All Implemented Interfaces:
Serializable,IComponent,ITridentBatchBolt
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Field Summary
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Constructor Summary
ConstructorsConstructorDescriptionTridentSpoutExecutor(String txStateId, String streamName, ITridentSpout<Object> spout) -
Method Summary
Modifier and TypeMethodDescriptionvoidcleanup()voiddeclareOutputFields(OutputFieldsDeclarer declarer) Declare the output schema for all the streams of this topology.voidvoidfinishBatch(BatchInfo batchInfo) Declare configuration specific to this component.initBatchState(String batchGroup, Object batchId) voidprepare(Map<String, Object> conf, TopologyContext context, BatchOutputCollector collector)
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Field Details
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ID_FIELD
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LOG
public static final org.slf4j.Logger LOG
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Constructor Details
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TridentSpoutExecutor
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Method Details
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prepare
public void prepare(Map<String, Object> conf, TopologyContext context, BatchOutputCollector collector) - Specified by:
preparein interfaceITridentBatchBolt
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execute
- Specified by:
executein interfaceITridentBatchBolt
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cleanup
public void cleanup()- Specified by:
cleanupin interfaceITridentBatchBolt
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declareOutputFields
Description copied from interface:IComponentDeclare the output schema for all the streams of this topology.- Specified by:
declareOutputFieldsin interfaceIComponent- Parameters:
declarer- this is used to declare output stream ids, output fields, and whether or not each output stream is a direct stream
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getComponentConfiguration
Description copied from interface:IComponentDeclare configuration specific to this component. Only a subset of the "topology.*" configs can be overridden. The component configuration can be further overridden when constructing the topology usingTopologyBuilder- Specified by:
getComponentConfigurationin interfaceIComponent
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finishBatch
- Specified by:
finishBatchin interfaceITridentBatchBolt
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initBatchState
- Specified by:
initBatchStatein interfaceITridentBatchBolt
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