org.apache.flink.streaming.api.functions.sink

类 PrintSinkFunction<IN>

java.lang.Object

org.apache.flink.api.common.functions.AbstractRichFunction

org.apache.flink.streaming.api.functions.sink.RichSinkFunction<IN>

org.apache.flink.streaming.api.functions.sink.PrintSinkFunction<IN>

类型参数:

IN - Input record type

所有已实现的接口:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.RichFunction, SinkFunction<IN>

@PublicEvolving
public class PrintSinkFunction<IN>
extends RichSinkFunction<IN>

Implementation of the SinkFunction writing every tuple to the standard output or standard error stream.

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

另请参阅:

序列化表格

嵌套类概要

从接口继承的嵌套类/接口 org.apache.flink.streaming.api.functions.sink.SinkFunction

SinkFunction.Context<T>

构造器概要

构造器

构造器和说明
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.

方法概要

限定符和类型	方法和说明
void	invoke(IN record)
void	open(org.apache.flink.configuration.Configuration parameters)
String	toString()

从类继承的方法 org.apache.flink.api.common.functions.AbstractRichFunction

close, getIterationRuntimeContext, getRuntimeContext, setRuntimeContext

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

从接口继承的方法 org.apache.flink.streaming.api.functions.sink.SinkFunction

invoke

构造器详细资料

PrintSinkFunction

public PrintSinkFunction()

Instantiates a print sink function that prints to standard out.

PrintSinkFunction

public PrintSinkFunction(boolean stdErr)

Instantiates a print sink function that prints to standard out.

参数:

stdErr - True, if the format should print to standard error instead of standard out.

PrintSinkFunction

public PrintSinkFunction(String sinkIdentifier,
                         boolean stdErr)

Instantiates a print sink function that prints to standard out and gives a sink identifier.

参数:

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 value

方法详细资料

open

public void open(org.apache.flink.configuration.Configuration parameters)
          throws Exception

指定者:

open 在接口中 org.apache.flink.api.common.functions.RichFunction

覆盖:

open 在类中 org.apache.flink.api.common.functions.AbstractRichFunction

抛出:

Exception

invoke

public void invoke(IN record)

toString

public String toString()

覆盖:

toString 在类中 Object