Package org.apache.flink.streaming.api.datastream

Class CoGroupedStreams.Where<KEY>

java.lang.Object

org.apache.flink.streaming.api.datastream.CoGroupedStreams.Where<KEY>

Type Parameters:

KEY - The type of the key.

Enclosing class:

CoGroupedStreams<T1,T2>

@Public
public class CoGroupedStreams.Where<KEY>
extends Object

CoGrouped streams that have the key for one side defined.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	CoGroupedStreams.Where.EqualTo	A co-group operation that has KeySelectors defined for both inputs.

Method Summary

Modifier and Type	Method	Description
CoGroupedStreams<T1,T2>.Where<KEY>.EqualTo	equalTo(org.apache.flink.api.java.functions.KeySelector<T2,KEY> keySelector)	Specifies a KeySelector for elements from the second input.
CoGroupedStreams<T1,T2>.Where<KEY>.EqualTo	equalTo(org.apache.flink.api.java.functions.KeySelector<T2,KEY> keySelector, org.apache.flink.api.common.typeinfo.TypeInformation<KEY> keyType)	Specifies a KeySelector for elements from the second input with explicit type information for the key type.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

equalTo

public CoGroupedStreams<T1,T2>.Where<KEY>.EqualTo equalTo(org.apache.flink.api.java.functions.KeySelector<T2,KEY> keySelector)

Specifies a KeySelector for elements from the second input.

Parameters:

keySelector - The KeySelector to be used for extracting the second input's key for partitioning.

equalTo

public CoGroupedStreams<T1,T2>.Where<KEY>.EqualTo equalTo(org.apache.flink.api.java.functions.KeySelector<T2,KEY> keySelector,
 org.apache.flink.api.common.typeinfo.TypeInformation<KEY> keyType)

Specifies a KeySelector for elements from the second input with explicit type information for the key type.

Parameters:

keySelector - The KeySelector to be used for extracting the key for partitioning.

keyType - The type information describing the key type.