Package org.apache.storm.trident.spout
Class TridentSpoutCoordinator
java.lang.Object
org.apache.storm.trident.spout.TridentSpoutCoordinator
- All Implemented Interfaces:
Serializable,IBasicBolt,IComponent
- See Also:
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Field Summary
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionvoidcleanup()voiddeclareOutputFields(OutputFieldsDeclarer declarer) Declare the output schema for all the streams of this topology.voidexecute(Tuple tuple, BasicOutputCollector collector) Process the input tuple and optionally emit new tuples based on the input tuple.Declare configuration specific to this component.voidprepare(Map<String, Object> conf, TopologyContext context)
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Field Details
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LOG
public static final org.slf4j.Logger LOG
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Constructor Details
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TridentSpoutCoordinator
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Method Details
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prepare
- Specified by:
preparein interfaceIBasicBolt
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execute
Description copied from interface:IBasicBoltProcess the input tuple and optionally emit new tuples based on the input tuple.All acking is managed for you. Throw a FailedException if you want to fail the tuple.
- Specified by:
executein interfaceIBasicBolt
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cleanup
public void cleanup()- Specified by:
cleanupin interfaceIBasicBolt
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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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