Package org.apache.storm.topology
Class BasicOutputCollector
- java.lang.Object
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- org.apache.storm.topology.BasicOutputCollector
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- All Implemented Interfaces:
IErrorReporter,IBasicOutputCollector
public class BasicOutputCollector extends Object implements IBasicOutputCollector
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Constructor Summary
Constructors Constructor Description BasicOutputCollector(OutputCollector out)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description List<Integer>emit(String streamId, List<Object> tuple)List<Integer>emit(List<Object> tuple)voidemitDirect(int taskId, String streamId, List<Object> tuple)voidemitDirect(int taskId, List<Object> tuple)protected IOutputCollectorgetOutputter()voidreportError(Throwable t)voidresetTimeout(Tuple tuple)Resets the message timeout for any tuple trees to which the given tuple belongs.voidsetContext(Tuple inputTuple)
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Constructor Detail
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BasicOutputCollector
public BasicOutputCollector(OutputCollector out)
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Method Detail
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emit
public List<Integer> emit(String streamId, List<Object> tuple)
- Specified by:
emitin interfaceIBasicOutputCollector
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setContext
public void setContext(Tuple inputTuple)
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emitDirect
public void emitDirect(int taskId, String streamId, List<Object> tuple)- Specified by:
emitDirectin interfaceIBasicOutputCollector
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resetTimeout
public void resetTimeout(Tuple tuple)
Resets the message timeout for any tuple trees to which the given tuple belongs. The timeout is reset to Config.TOPOLOGY_MESSAGE_TIMEOUT_SECS. Note that this is an expensive operation, and should be used sparingly.- Specified by:
resetTimeoutin interfaceIBasicOutputCollector- Parameters:
tuple- the tuple to reset timeout for
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getOutputter
protected IOutputCollector getOutputter()
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reportError
public void reportError(Throwable t)
- Specified by:
reportErrorin interfaceIErrorReporter
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