Package org.apache.storm.trident.spout
Class TridentSpoutCoordinator
- java.lang.Object
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- org.apache.storm.trident.spout.TridentSpoutCoordinator
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- All Implemented Interfaces:
Serializable,IBasicBolt,IComponent
public class TridentSpoutCoordinator extends Object implements IBasicBolt
- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description static org.slf4j.LoggerLOG
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Constructor Summary
Constructors Constructor Description TridentSpoutCoordinator(String id, 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(Tuple tuple, BasicOutputCollector collector)Process the input tuple and optionally emit new tuples based on the input tuple.Map<String,Object>getComponentConfiguration()Declare configuration specific to this component.voidprepare(Map<String,Object> conf, TopologyContext context)
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Constructor Detail
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TridentSpoutCoordinator
public TridentSpoutCoordinator(String id, ITridentSpout<Object> spout)
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Method Detail
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prepare
public void prepare(Map<String,Object> conf, TopologyContext context)
- Specified by:
preparein interfaceIBasicBolt
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execute
public void execute(Tuple tuple, BasicOutputCollector collector)
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
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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