Package org.apache.flink.datastream.api.extension.window.context

Interface TwoInputWindowContext<IN1,IN2>

All Superinterfaces:

WindowContext

@Experimental
public interface TwoInputWindowContext<IN1,IN2>
extends WindowContext

This interface extends WindowContext and provides additional functionality for writing and reading window data of two input window.

Method Summary

Modifier and Type	Method	Description
Iterable<IN1>	getAllRecords1()	Read input1's records from the window's state.
Iterable<IN2>	getAllRecords2()	Read input2's records from the window's state.
void	putRecord1(IN1 record)	Write records from input1 into the window's state.
void	putRecord2(IN2 record)	Write records from input2 into the window's state.

Methods inherited from interface org.apache.flink.datastream.api.extension.window.context.WindowContext

getEndTime, getStartTime, getWindowState, getWindowState, getWindowState, getWindowState, getWindowState

Method Details

putRecord1

void putRecord1(IN1 record)

Write records from input1 into the window's state.

Parameters:

record - The record from input1 to be written into the window's state.

getAllRecords1

Iterable<IN1> getAllRecords1()

Read input1's records from the window's state.

Returns:

Iterable of input1's records, which could be null if input1 has no data.

putRecord2

void putRecord2(IN2 record)

Write records from input2 into the window's state.

Parameters:

record - The record from input2 to be written into the window's state.

getAllRecords2

Iterable<IN2> getAllRecords2()

Read input2's records from the window's state.

Returns:

Iterable of input2's records, which could be null if input2 has no data.