AbstractAsyncStateWindowAggProcessor.WindowIsEmptyChecker (Flink : Table : Runtime 2.0.1-cp2 API)

java.lang.Object
- org.apache.flink.table.runtime.operators.aggregate.asyncwindow.processors.AbstractAsyncStateWindowAggProcessor.WindowIsEmptyChecker

All Implemented Interfaces:

Serializable, Function<org.apache.flink.table.data.RowData,Boolean>

Enclosing class:

AbstractAsyncStateWindowAggProcessor<W>
```
protected static final class AbstractAsyncStateWindowAggProcessor.WindowIsEmptyChecker
extends Object
implements Function<org.apache.flink.table.data.RowData,Boolean>, Serializable
```
A checker that checks whether the window is empty.

See Also:

Serialized Form

- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  Boolean apply(org.apache.flink.table.data.RowData acc)
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  - Methods inherited from interface java.util.function.Function
    andThen, compose

- Method Detail
  - apply
```
public Boolean apply(@Nullable
                     org.apache.flink.table.data.RowData acc)
```
    Specified by:
    
    apply in interface Function<org.apache.flink.table.data.RowData,Boolean>