Package org.apache.storm.testing
Class TestWordCounter
- java.lang.Object
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- org.apache.storm.topology.base.BaseComponent
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- org.apache.storm.topology.base.BaseBasicBolt
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- org.apache.storm.testing.TestWordCounter
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- All Implemented Interfaces:
Serializable,IBasicBolt,IComponent
- Direct Known Subclasses:
TestWordBytesCounter
public class TestWordCounter extends BaseBasicBolt
- 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 TestWordCounter()
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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 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
getComponentConfiguration
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.apache.storm.topology.IComponent
getComponentConfiguration
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Method Detail
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prepare
public void prepare(Map<String,Object> topoConf, TopologyContext context)
- Specified by:
preparein interfaceIBasicBolt- Overrides:
preparein classBaseBasicBolt
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execute
public void execute(Tuple input, 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.
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cleanup
public void cleanup()
- Specified by:
cleanupin interfaceIBasicBolt- Overrides:
cleanupin classBaseBasicBolt
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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.- 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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