org.apache.tez.dag.api

Class Edge

java.lang.Object

org.apache.tez.dag.api.Edge

@InterfaceAudience.Public
public class Edge
extends Object

Edge defines the connection between a producer and consumer vertex in the DAG.

Method Summary

Methods

Modifier and Type	Method and Description
static Edge	create(Vertex inputVertex, Vertex outputVertex, EdgeProperty edgeProperty) Creates an edge between the specified vertices.
boolean	equals(Object obj)
EdgeProperty	getEdgeProperty() The @link EdgeProperty for this edge
String	getId()
Vertex	getInputVertex() The @link Vertex that provides input to the edge
Vertex	getOutputVertex() The @link Vertex that reads output from the edge
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

create

public static Edge create(Vertex inputVertex,
          Vertex outputVertex,
          EdgeProperty edgeProperty)

Creates an edge between the specified vertices. InputVertex(EdgeInput) ----- Edge ----- OutputVertex(EdgeOutput)]

Parameters:

inputVertex - the vertex which generates data to the edge.

outputVertex - the vertex which consumes data from the edge

edgeProperty - EdgeProperty associated with this edge

Returns:

the Edge

getInputVertex

public Vertex getInputVertex()

The @link Vertex that provides input to the edge

Returns:

Vertex

getOutputVertex

public Vertex getOutputVertex()

The @link Vertex that reads output from the edge

Returns:

Vertex

getEdgeProperty

public EdgeProperty getEdgeProperty()

The @link EdgeProperty for this edge

Returns:

EdgeProperty

getId

@InterfaceAudience.Private
public String getId()

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object