Package org.apache.storm.testing
Class TestWordCounter
java.lang.Object
org.apache.storm.topology.base.BaseComponent
org.apache.storm.topology.base.BaseBasicBolt
org.apache.storm.testing.TestWordCounter
- All Implemented Interfaces:
Serializable,IBasicBolt,IComponent
- Direct Known Subclasses:
TestWordBytesCounter
- 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 input, BasicOutputCollector collector) Process the input tuple and optionally emit new tuples based on the input tuple.protected StringgetTupleValue(Tuple t, int idx) voidprepare(Map<String, Object> topoConf, TopologyContext context) Methods inherited from class org.apache.storm.topology.base.BaseComponent
getComponentConfigurationMethods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface org.apache.storm.topology.IComponent
getComponentConfiguration
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Field Details
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LOG
public static org.slf4j.Logger LOG
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Constructor Details
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TestWordCounter
public TestWordCounter()
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Method Details
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prepare
- Specified by:
preparein interfaceIBasicBolt- Overrides:
preparein classBaseBasicBolt
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getTupleValue
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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.
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cleanup
public void cleanup()- Specified by:
cleanupin interfaceIBasicBolt- Overrides:
cleanupin classBaseBasicBolt
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declareOutputFields
Description copied from interface:IComponentDeclare the output schema for all the streams of this topology.- 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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