ProcessJoinFunction.Context (Flink : 2.0-SNAPSHOT API)

java.lang.Object
- org.apache.flink.streaming.api.functions.co.ProcessJoinFunction.Context

Enclosing class:

ProcessJoinFunction<IN1,IN2,OUT>
```
public abstract class ProcessJoinFunction.Context
extends Object
```
The context that is available during an invocation of #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.

Constructor Summary

Constructors
Constructor Description

Context()

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`abstract long`	`getLeftTimestamp()`
`abstract long`	`getRightTimestamp()`
`abstract long`	`getTimestamp()`
`abstract <X> void`	`output(OutputTag<X> outputTag, X value)`	Emits a record to the side output identified by the `OutputTag`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Context
```
public Context()
```
- Method Detail
  - getLeftTimestamp
```
public abstract long getLeftTimestamp()
```
    Returns:
    
    The timestamp of the left element of a joined pair
  - getRightTimestamp
```
public abstract long getRightTimestamp()
```
    Returns:
    
    The timestamp of the right element of a joined pair
  - getTimestamp
```
public abstract long getTimestamp()
```
    Returns:
    
    The timestamp of the joined pair.
  - output
```
public abstract <X> void output(OutputTag<X> outputTag,
                                X value)
```
    Emits a record to the side output identified by the OutputTag.
    
    Parameters:
    
    outputTag - The output tag that identifies the side output to emit to
    
    value - The record to emit