org.apache.flink.table.runtime.operators.window.slicing

接口 SliceSharedAssigner.MergeCallback

所有已知实现类:

SliceSharedWindowAggProcessor

封闭接口:

SliceSharedAssigner

public static interface SliceSharedAssigner.MergeCallback

Callback to be used in SliceSharedAssigner.mergeSlices(long, MergeCallback) for specifying which slices should be merged.

方法概要

限定符和类型	方法和说明
void	merge(Long mergeResult, Iterable<Long> toBeMerged) Specifies that states of the given slices should be merged into the result slice.

方法详细资料

merge

void merge(@Nullable
           Long mergeResult,
           Iterable<Long> toBeMerged)
    throws Exception

Specifies that states of the given slices should be merged into the result slice.

参数:

mergeResult - The resulting merged slice, null if it represents a non-state namespace.

toBeMerged - The list of slices that should be merged into one slice.

抛出:

Exception