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org.apache.commons.jxpath.ri.axes
Class PrecedingOrFollowingContext  

java.lang.Object
  org.apache.commons.jxpath.ri.EvalContext
      org.apache.commons.jxpath.ri.axes.PrecedingOrFollowingContext

All Implemented Interfaces:

org.apache.commons.jxpath.ExpressionContext, java.util.Iterator

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public class PrecedingOrFollowingContext

extends org.apache.commons.jxpath.ri.EvalContext

EvalContext that walks the "preceding::" and "following::" axes.

Version:

$Revision: 1.15 $ $Date: 2004/03/25 03:49:50 $

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Field Summary
private  org.apache.commons.jxpath.ri.model.NodePointer	currentNodePointer
private  org.apache.commons.jxpath.ri.model.NodePointer	currentRootLocation
private  java.util.Stack	nameStack
private  org.apache.commons.jxpath.ri.compiler.NodeTest	nodeTest
private  boolean	reverse
private  boolean	setStarted
private  java.util.Stack	stack
private  boolean	started

 

Fields inherited from class org.apache.commons.jxpath.ri.EvalContext

parentContext, position, rootContext

 

Constructor Summary

PrecedingOrFollowingContext(org.apache.commons.jxpath.ri.EvalContext parentContext, org.apache.commons.jxpath.ri.compiler.NodeTest nodeTest, boolean reverse)

 

Method Summary
org.apache.commons.jxpath.ri.model.NodePointer	getCurrentNodePointer()           Returns the current context node.
int	getDocumentOrder()           Determines the document order for this context.
boolean	nextNode()           Returns true if there is another object in the current set.
void	reset()           Sets current position = 0, which is the pre-iteration state.
boolean	setPosition(int position)           Moves the current position to the specified index.

 

Methods inherited from class org.apache.commons.jxpath.ri.EvalContext

getContextNodeList, getContextNodePointer, getCurrentPosition, getJXPathContext, getNodeSet, getPosition, getRootContext, getSingleNodePointer, getValue, hasNext, isChildOrderingRequired, next, nextSet, remove, toString

 

Methods inherited from class java.lang.Object

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

 

Field Detail

nodeTest

private org.apache.commons.jxpath.ri.compiler.NodeTest nodeTest

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setStarted

private boolean setStarted

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started

private boolean started

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stack

private java.util.Stack stack

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nameStack

private java.util.Stack nameStack

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currentNodePointer

private org.apache.commons.jxpath.ri.model.NodePointer currentNodePointer

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currentRootLocation

private org.apache.commons.jxpath.ri.model.NodePointer currentRootLocation

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reverse

private boolean reverse

Constructor Detail

PrecedingOrFollowingContext

public PrecedingOrFollowingContext(org.apache.commons.jxpath.ri.EvalContext parentContext,
                                   org.apache.commons.jxpath.ri.compiler.NodeTest nodeTest,
                                   boolean reverse)

Method Detail

getCurrentNodePointer

public org.apache.commons.jxpath.ri.model.NodePointer getCurrentNodePointer()

Description copied from class: org.apache.commons.jxpath.ri.EvalContext

Returns the current context node. Undefined before the beginning of the iteration.

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getDocumentOrder

public int getDocumentOrder()

Description copied from class: org.apache.commons.jxpath.ri.EvalContext

Determines the document order for this context.

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reset

public void reset()

Description copied from class: org.apache.commons.jxpath.ri.EvalContext

Sets current position = 0, which is the pre-iteration state.

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setPosition

public boolean setPosition(int position)

Description copied from class: org.apache.commons.jxpath.ri.EvalContext

Moves the current position to the specified index. Used with integer predicates to quickly get to the n'th element of the node set. Returns false if the position is out of the node set range. You can call it with 0 as the position argument to restart the iteration.

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nextNode

public boolean nextNode()

Description copied from class: org.apache.commons.jxpath.ri.EvalContext

Returns true if there is another object in the current set. Switches the current position and node to the next object.

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