eu.stratosphere.example.java.graph

Class ConnectedComponents.ComponentIdFilter

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.ComponentIdFilter

All Implemented Interfaces:

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

Enclosing class:

ConnectedComponents

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

The input is nested tuples ( (vertex-id, candidate-component) , (vertex-id, current-component) )

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ConnectedComponents.ComponentIdFilter()

Method Summary

Methods

Modifier and Type	Method and Description
Tuple2<Long,Long>	join(Tuple2<Long,Long> first, Tuple2<Long,Long> second)
void	join(Tuple2<Long,Long> candidate, Tuple2<Long,Long> old, Collector<Tuple2<Long,Long>> out)

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.ComponentIdFilter

public ConnectedComponents.ComponentIdFilter()

Method Detail

join

public void join(Tuple2<Long,Long> candidate,
        Tuple2<Long,Long> old,
        Collector<Tuple2<Long,Long>> out)

Specified by:

join in interface GenericJoiner<Tuple2<Long,Long>,Tuple2<Long,Long>,Tuple2<Long,Long>>

Overrides:

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

join

public Tuple2<Long,Long> join(Tuple2<Long,Long> first,
                     Tuple2<Long,Long> second)

Specified by:

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