org.openanzo.glitter.syntax.abstrakt
Class TriplePatternNode

java.lang.Object
  org.openanzo.glitter.syntax.abstrakt.TreeNode
      org.openanzo.glitter.syntax.abstrakt.GraphPattern
          org.openanzo.glitter.syntax.abstrakt.TriplePatternNode

public class TriplePatternNode
extends GraphPattern

A TriplePatternNode is any node in the abstract syntax that represents a triple pattern (contains three TriplePatternComponents).

Author:

lee

Constructor Summary

TriplePatternNode(TriplePatternComponent s, TriplePatternComponent p, TriplePatternComponent o)
Constructor from three triple pattern components.

Method Summary

void	addChild(TreeNode child) Adds the given child at the end of this node's children.
java.util.Iterator<TreeNode>	getChildren()
TriplePattern	getTriplePattern()
boolean	removeChild(TreeNode child) Removes the given child from the collection of children
boolean	replaceChild(TreeNode oldChild, TreeNode newChild) Changes the tree below this node by replacing oldChild with newChild
java.lang.String	toString()

Methods inherited from class org.openanzo.glitter.syntax.abstrakt.TreeNode

containsVariable, getBindableVariableCount, getBindableVariableSet, getFilters, getInScopeFilterSet, getParent, getRoot, getVariableCount, getVariableSet, invalidateCache, invalidateCache, mightBindVariable, prettyPrint, prettyPrint

Methods inherited from class java.lang.Object

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

Constructor Detail

TriplePatternNode

public TriplePatternNode(TriplePatternComponent s,
                         TriplePatternComponent p,
                         TriplePatternComponent o)

Constructor from three triple pattern components.

Parameters:

s - Subject

p - Predicate

o - Object

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getTriplePattern

public TriplePattern getTriplePattern()

Returns:

The TriplePattern for this node.

getChildren

public java.util.Iterator<TreeNode> getChildren()

Specified by:

getChildren in class TreeNode

Returns:

An Iterator over the children of this node.

replaceChild

public boolean replaceChild(TreeNode oldChild,
                            TreeNode newChild)

Description copied from class: TreeNode

Changes the tree below this node by replacing oldChild with newChild

Specified by:

replaceChild in class TreeNode

Returns:

true if the oldChild was found and replaced; false otherwise.

removeChild

public boolean removeChild(TreeNode child)

Description copied from class: TreeNode

Removes the given child from the collection of children

Specified by:

removeChild in class TreeNode

Returns:

true if the child was found and removed; false otherwise.

addChild

public void addChild(TreeNode child)

Description copied from class: TreeNode

Adds the given child at the end of this node's children.

Specified by:

addChild in class TreeNode