IN
- Input record type@PublicEvolving public class PrintSinkFunction<IN> extends RichSinkFunction<IN>
Four possible format options:
sinkIdentifier
:taskId> output <- sinkIdentifier
provided, parallelism > 1
sinkIdentifier
> output <- sinkIdentifier
provided, parallelism == 1
taskId> output <- no sinkIdentifier
provided, parallelism > 1
output <- no sinkIdentifier
provided, parallelism == 1
SinkFunction.Context<T>
构造器和说明 |
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PrintSinkFunction()
Instantiates a print sink function that prints to standard out.
|
PrintSinkFunction(boolean stdErr)
Instantiates a print sink function that prints to standard out.
|
PrintSinkFunction(String sinkIdentifier,
boolean stdErr)
Instantiates a print sink function that prints to standard out and gives a sink identifier.
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限定符和类型 | 方法和说明 |
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void |
invoke(IN record) |
void |
open(org.apache.flink.configuration.Configuration parameters) |
String |
toString() |
close, getIterationRuntimeContext, getRuntimeContext, setRuntimeContext
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
invoke
public PrintSinkFunction()
public PrintSinkFunction(boolean stdErr)
stdErr
- True, if the format should print to standard error instead of standard out.public PrintSinkFunction(String sinkIdentifier, boolean stdErr)
stdErr
- True, if the format should print to standard error instead of standard out.sinkIdentifier
- Message that identify sink and is prefixed to the output of the valueCopyright © 2014–2019 The Apache Software Foundation. All rights reserved.