Uses of Class
org.apache.flink.api.java.operators.GroupReduceOperator

Packages that use GroupReduceOperator

Package	Description
org.apache.flink.api.java
org.apache.flink.api.java.operators

Uses of GroupReduceOperator in org.apache.flink.api.java

Methods in org.apache.flink.api.java that return GroupReduceOperator

Modifier and Type	Method and Description
<R> GroupReduceOperator<T,R>	DataSet.reduceGroup(GroupReduceFunction<T,R> reducer) Applies a GroupReduce transformation on a non-grouped DataSet. The transformation calls a RichGroupReduceFunction once with the full DataSet.

Uses of GroupReduceOperator in org.apache.flink.api.java.operators

Methods in org.apache.flink.api.java.operators that return GroupReduceOperator

Modifier and Type	Method and Description
<R> GroupReduceOperator<T,R>	UnsortedGrouping.reduceGroup(GroupReduceFunction<T,R> reducer) Applies a GroupReduce transformation on a grouped DataSet. The transformation calls a RichGroupReduceFunction for each group of the DataSet.
<R> GroupReduceOperator<T,R>	SortedGrouping.reduceGroup(GroupReduceFunction<T,R> reducer) Applies a GroupReduce transformation on a grouped and sorted DataSet. The transformation calls a RichGroupReduceFunction for each group of the DataSet.