org.apache.flink.streaming.api.functions.co

类 ProcessJoinFunction.Context

java.lang.Object

org.apache.flink.streaming.api.functions.co.ProcessJoinFunction.Context

封闭类:

ProcessJoinFunction<IN1,IN2,OUT>

public abstract class ProcessJoinFunction.Context
extends Object

The context that is available during an invocation of ProcessJoinFunction.processElement(Object, Object, Context, Collector). It gives access to the timestamps of the left element in the joined pair, the right one, and that of the joined pair. In addition, this context allows to emit elements on a side output.

构造器概要

构造器

构造器和说明
Context()

方法概要

限定符和类型	方法和说明
abstract long	getLeftTimestamp()
abstract long	getRightTimestamp()
abstract long	getTimestamp()
abstract <X> void	output(org.apache.flink.util.OutputTag<X> outputTag, X value) Emits a record to the side output identified by the OutputTag.

从类继承的方法 java.lang.Object

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

构造器详细资料

Context

public Context()

方法详细资料

getLeftTimestamp

public abstract long getLeftTimestamp()

返回:

The timestamp of the left element of a joined pair

getRightTimestamp

public abstract long getRightTimestamp()

返回:

The timestamp of the right element of a joined pair

getTimestamp

public abstract long getTimestamp()

返回:

The timestamp of the joined pair.

output

public abstract <X> void output(org.apache.flink.util.OutputTag<X> outputTag,
                                X value)

Emits a record to the side output identified by the OutputTag.

参数:

outputTag - The output tag that identifies the side output to emit to

value - The record to emit