sparql.base

Class TtreeNode

java.lang.Object

sparql.base.TtreeNode

public final class TtreeNode
extends java.lang.Object

Node representing clauses in Q;

Constructor Summary

Constructors

Constructor and Description
TtreeNode(TtreeNode parent, BGP bgp) Constructor to initiate bgp, parent node, varset and child list.

Method Summary

Methods

Modifier and Type	Method and Description
void	addChild(TtreeNode n) Add a TtreeNode object to child list.
BGP	getBGP() Get the basic graph pattern object.
java.util.LinkedList<TtreeNode>	getChilds() Get list of child nodes.
TtreeNode	getParent() Get the parent of node.
java.util.LinkedList<Node>	getVarSet() Get list of variables directly found in the corresponding clause, but not in nested clauses
void	setBGP(BGP bgp)

Methods inherited from class java.lang.Object

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

Constructor Detail

TtreeNode

public TtreeNode(TtreeNode parent,
         BGP bgp)

Constructor to initiate bgp, parent node, varset and child list.

Parameters:

parent - TtreeNode object to be set as parent. (Null if root)

bgp - Basic Graph Pattern object.

Method Detail

getParent

public TtreeNode getParent()

Get the parent of node.

Returns:

TtreeNode object.

getBGP

public BGP getBGP()

Get the basic graph pattern object.

Returns:

An object of BGP class.

setBGP

public void setBGP(BGP bgp)

getVarSet

public java.util.LinkedList<Node> getVarSet()

Get list of variables directly found in the corresponding clause, but not in nested clauses

Returns:

LinkedList of nodes contains varset.

getChilds

public java.util.LinkedList<TtreeNode> getChilds()

Get list of child nodes.

Returns:

LinkedList of TtreeNode.

addChild

public void addChild(TtreeNode n)

Add a TtreeNode object to child list.

Parameters:

n - A TtreeNode object to be added to child list.