Package org.apache.storm.task
Class OutputCollectorImpl
- java.lang.Object
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- org.apache.storm.task.OutputCollector
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- org.apache.storm.task.OutputCollectorImpl
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- All Implemented Interfaces:
IErrorReporter
,IOutputCollector
public class OutputCollectorImpl extends OutputCollector
This output collector exposes the API for emitting tuples from an IRichBolt. This is the core API for emitting tuples. For a simpler API, and a more restricted form of stream processing, see IBasicBolt and BasicOutputCollector.
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Constructor Summary
Constructors Constructor Description OutputCollectorImpl(org.apache.heron.api.bolt.OutputCollector delegate)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
ack(Tuple input)
List<Integer>
emit(String streamId, Collection<Tuple> anchors, List<Object> tuple)
Returns the task ids that received the tuples.void
emitDirect(int taskId, String streamId, Collection<Tuple> anchors, List<Object> tuple)
void
fail(Tuple input)
void
reportError(Throwable error)
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Methods inherited from class org.apache.storm.task.OutputCollector
emit, emit, emit, emit, emit, emitDirect, emitDirect, emitDirect, emitDirect, emitDirect
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Method Detail
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emit
public List<Integer> emit(String streamId, Collection<Tuple> anchors, List<Object> tuple)
Description copied from interface:IOutputCollector
Returns the task ids that received the tuples.- Specified by:
emit
in interfaceIOutputCollector
- Overrides:
emit
in classOutputCollector
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emitDirect
public void emitDirect(int taskId, String streamId, Collection<Tuple> anchors, List<Object> tuple)
- Specified by:
emitDirect
in interfaceIOutputCollector
- Overrides:
emitDirect
in classOutputCollector
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ack
public void ack(Tuple input)
- Specified by:
ack
in interfaceIOutputCollector
- Overrides:
ack
in classOutputCollector
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fail
public void fail(Tuple input)
- Specified by:
fail
in interfaceIOutputCollector
- Overrides:
fail
in classOutputCollector
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reportError
public void reportError(Throwable error)
- Specified by:
reportError
in interfaceIErrorReporter
- Overrides:
reportError
in classOutputCollector
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