sparql.base

Class Edge

java.lang.Object

sparql.base.Edge

public final class Edge
extends java.lang.Object

This class represents the edge of graph include subject, predicate and object.

Constructor Summary

Constructors

Constructor and Description
Edge(Node subject, Node predicate, Node object) Constructor to set subject, predicate and object of edge.

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	getAlias() Get the alias of edge.
boolean	getIsAttributeEdge() This method get if this edge is attribute edge or not.
Node	getObject() Get the object of edge.
Node	getPredicate() Get the predicate of edge.
Node	getSubject() Get the subject of edge.
void	setAlias(java.lang.String alias) Set the alias value of edge.

Methods inherited from class java.lang.Object

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

Constructor Detail

Edge

public Edge(Node subject,
    Node predicate,
    Node object)

Constructor to set subject, predicate and object of edge.

Parameters:

subject - An node object that contains subject of edge.

predicate - An node object that contains predicate of edge.

object - An node object that contains object of edge.

Method Detail

getSubject

public Node getSubject()

Get the subject of edge.

Returns:

An node object that contains subject of edge.

getObject

public Node getObject()

Get the object of edge.

Returns:

An node object that contains object of edge.

getAlias

public java.lang.String getAlias()

Get the alias of edge.

Returns:

A string that contains alias value of edge.

getPredicate

public Node getPredicate()

Get the predicate of edge.

Returns:

An node object that contains predicate of edge.

setAlias

public void setAlias(java.lang.String alias)

Set the alias value of edge.

Parameters:

alias - A string to be set as alias value.

getIsAttributeEdge

public boolean getIsAttributeEdge()

This method get if this edge is attribute edge or not.

Returns:

A boolean that is true if this edge is attribute.