org.apache.flink.graph.utils

Class EdgeToTuple3Map<K,EV>

java.lang.Object

org.apache.flink.graph.utils.EdgeToTuple3Map<K,EV>

Type Parameters:

K - edge ID type

EV - edge value type

All Implemented Interfaces:

Serializable, Function, MapFunction<Edge<K,EV>,Tuple3<K,K,EV>>

public class EdgeToTuple3Map<K,EV>
extends Object
implements MapFunction<Edge<K,EV>,Tuple3<K,K,EV>>

Create a Tuple3 DataSet from an Edge DataSet.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
EdgeToTuple3Map()

Method Summary

Modifier and Type	Method and Description
Tuple3<K,K,EV>	map(Edge<K,EV> edge) The mapping method.

Methods inherited from class java.lang.Object

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

Constructor Detail

EdgeToTuple3Map

public EdgeToTuple3Map()

Method Detail

map

public Tuple3<K,K,EV> map(Edge<K,EV> edge)

Description copied from interface: MapFunction

The mapping method. Takes an element from the input data set and transforms it into exactly one element.

Specified by:

map in interface MapFunction<Edge<K,EV>,Tuple3<K,K,EV>>

Parameters:

edge - The input value.

Returns:

The transformed value