org.apache.commons.jxpath.ri.axes
Class PredicateContext
- ExpressionContext, Iterator
public class PredicateContext
EvalContext that checks predicates.
$Revision: 1.22 $ $Date: 2004/02/29 14:17:37 $
NodePointer | getCurrentNodePointer() - Returns the current context node.
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boolean | nextNode() - Returns true if there is another object in the current set.
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boolean | nextSet() - Returns true if there is another sets of objects to interate over.
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void | reset() - Sets current position = 0, which is the pre-iteration state.
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boolean | setPosition(int position) - Moves the current position to the specified index.
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getContextNodeList , getContextNodePointer , getCurrentNodePointer , getCurrentPosition , getDocumentOrder , getJXPathContext , getNodeSet , getPosition , getRootContext , getSingleNodePointer , getValue , hasNext , isChildOrderingRequired , next , nextNode , nextSet , remove , reset , setPosition , toString |
nextNode
public boolean nextNode()
Returns true if there is another object in the current set.
Switches the current position and node to the next object.
- nextNode in interface EvalContext
nextSet
public boolean nextSet()
Returns true if there is another sets of objects to interate over.
Resets the current position and node.
- nextSet in interface EvalContext
reset
public void reset()
Sets current position = 0, which is the pre-iteration state.
- reset in interface EvalContext
setPosition
public boolean setPosition(int position)
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.
- setPosition in interface EvalContext