Class AbstractAsyncStateWindowAggProcessor.WindowIsEmptyChecker

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:
  • Method Details

    • 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>