Package org.apache.storm.trident.spout
Class TridentSpoutExecutor
- java.lang.Object
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- org.apache.storm.trident.spout.TridentSpoutExecutor
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- All Implemented Interfaces:
Serializable,IComponent,ITridentBatchBolt
public class TridentSpoutExecutor extends Object implements ITridentBatchBolt
- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description TridentSpoutExecutor(String txStateId, String streamName, ITridentSpout<Object> spout)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidcleanup()voiddeclareOutputFields(OutputFieldsDeclarer declarer)Declare the output schema for all the streams of this topology.voidexecute(BatchInfo info, Tuple input)voidfinishBatch(BatchInfo batchInfo)Map<String,Object>getComponentConfiguration()Declare configuration specific to this component.ObjectinitBatchState(String batchGroup, Object batchId)voidprepare(Map<String,Object> conf, TopologyContext context, BatchOutputCollector collector)
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Field Detail
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ID_FIELD
public static final String ID_FIELD
- See Also:
- Constant Field Values
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LOG
public static final org.slf4j.Logger LOG
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Constructor Detail
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TridentSpoutExecutor
public TridentSpoutExecutor(String txStateId, String streamName, ITridentSpout<Object> spout)
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Method Detail
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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
public void execute(BatchInfo info, Tuple input)
- Specified by:
executein interfaceITridentBatchBolt
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cleanup
public void cleanup()
- Specified by:
cleanupin interfaceITridentBatchBolt
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declareOutputFields
public void declareOutputFields(OutputFieldsDeclarer declarer)
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
public Map<String,Object> 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
public void finishBatch(BatchInfo batchInfo)
- Specified by:
finishBatchin interfaceITridentBatchBolt
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initBatchState
public Object initBatchState(String batchGroup, Object batchId)
- Specified by:
initBatchStatein interfaceITridentBatchBolt
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