eu.stratosphere.example.java.graph

Class ConnectedComponents.NeighborWithComponentIDJoin

java.lang.Object

eu.stratosphere.api.common.functions.AbstractFunction

eu.stratosphere.api.java.functions.JoinFunction<Tuple2<Long,Long>,Tuple2<Long,Long>,Tuple2<Long,Long>>

eu.stratosphere.example.java.graph.ConnectedComponents.NeighborWithComponentIDJoin

All Implemented Interfaces:

Function, GenericJoiner<Tuple2<Long,Long>,Tuple2<Long,Long>,Tuple2<Long,Long>>, Serializable

Enclosing class:

ConnectedComponents

public static final class ConnectedComponents.NeighborWithComponentIDJoin
extends JoinFunction<Tuple2<Long,Long>,Tuple2<Long,Long>,Tuple2<Long,Long>>

UDF that joins a (Vertex-ID, Component-ID) pair that represents the current component that a vertex is associated with, with a (Source-Vertex-ID, Target-VertexID) edge. The function produces a (Target-vertex-ID, Component-ID) pair.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ConnectedComponents.NeighborWithComponentIDJoin()

Method Summary

Methods

Modifier and Type	Method and Description
Tuple2<Long,Long>	join(Tuple2<Long,Long> vertexWithComponent, Tuple2<Long,Long> edge)

Methods inherited from class eu.stratosphere.api.java.functions.JoinFunction

join

Methods inherited from class eu.stratosphere.api.common.functions.AbstractFunction

close, getIterationRuntimeContext, getRuntimeContext, open, setRuntimeContext

Methods inherited from class java.lang.Object

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

Methods inherited from interface eu.stratosphere.api.common.functions.Function

close, getRuntimeContext, open, setRuntimeContext

Constructor Detail

ConnectedComponents.NeighborWithComponentIDJoin

public ConnectedComponents.NeighborWithComponentIDJoin()

Method Detail

join

public Tuple2<Long,Long> join(Tuple2<Long,Long> vertexWithComponent,
                     Tuple2<Long,Long> edge)

Specified by:

join in class JoinFunction<Tuple2<Long,Long>,Tuple2<Long,Long>,Tuple2<Long,Long>>