MergingWindowProcessFunction.DefaultAccMergingConsumer (Flink : 2.0-SNAPSHOT API)

java.lang.Object
- org.apache.flink.table.runtime.operators.window.groupwindow.internal.MergingWindowProcessFunction.DefaultAccMergingConsumer<W>

All Implemented Interfaces:

BiConsumerWithException<W,Collection<W>,Throwable>

Enclosing class:

MergingWindowProcessFunction<K,W extends Window>
```
public static class MergingWindowProcessFunction.DefaultAccMergingConsumer<W extends Window>
extends Object
implements BiConsumerWithException<W,Collection<W>,Throwable>
```
A default merging consumer that merges the accumulators in state windows that waiting to be merged into the target state window.
The first parameter is the target state window, the second parameter is the windows that need to be merged.

Constructor Summary

Constructors
Constructor	Description
`DefaultAccMergingConsumer(InternalWindowProcessFunction.Context<?,W> ctx, NamespaceAggsHandleFunctionBase<W> windowAggregator)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`accept(W stateWindowResult, Collection<W> stateWindowsToBeMerged)`	Performs this operation on the given arguments.

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

- Constructor Detail
  - DefaultAccMergingConsumer
```
public DefaultAccMergingConsumer(InternalWindowProcessFunction.Context<?,W> ctx,
                                 NamespaceAggsHandleFunctionBase<W> windowAggregator)
```
- Method Detail
  - accept
```
public void accept(W stateWindowResult,
                   Collection<W> stateWindowsToBeMerged)
            throws Throwable
```
    Description copied from interface: BiConsumerWithException
    
    Performs this operation on the given arguments.
    
    Specified by:
    
    accept in interface BiConsumerWithException<W extends Window,Collection<W extends Window>,Throwable>
    
    Parameters:
    
    stateWindowResult - the first input argument
    
    stateWindowsToBeMerged - the second input argument
    
    Throws:
    
    Throwable