Package org.apache.commons.jxpath.ri.axes

Class ParentContext

java.lang.Object
org.apache.commons.jxpath.ri.EvalContext
org.apache.commons.jxpath.ri.axes.ParentContext
All Implemented Interfaces:
Iterator, ExpressionContext
public class ParentContext extends EvalContext
EvalContext that walks the "parent::" axis.
Version:
$Revision: 652845 $ $Date: 2008-05-02 12:46:46 -0500 (Fri, 02 May 2008) $

  • Field Details

    • nodeTest

      private NodeTest nodeTest

    • setStarted

      private boolean setStarted

    • currentNodePointer

      private NodePointer currentNodePointer

  • Constructor Details

    • ParentContext

      public ParentContext(EvalContext parentContext, NodeTest nodeTest)
      Create a new ParentContext.
      Parameters:
      parentContext - parent context
      nodeTest - test

  • Method Details

    • getCurrentNodePointer

      public NodePointer getCurrentNodePointer()
      Description copied from class: EvalContext
      Returns the current context node. Undefined before the beginning of the iteration.
      Specified by:
      getCurrentNodePointer in class EvalContext
      Returns:
      NodePoiner

    • getCurrentPosition

      public int getCurrentPosition()
      Description copied from class: EvalContext
      Get the current position.
      Overrides:
      getCurrentPosition in class EvalContext
      Returns:
      int position.

    • getDocumentOrder

      public int getDocumentOrder()
      Description copied from class: EvalContext
      Determines the document order for this context.
      Overrides:
      getDocumentOrder in class EvalContext
      Returns:
      1 ascending order, -1 descending order, 0 - does not require ordering

    • reset

      public void reset()
      Description copied from class: EvalContext
      Sets current position = 0, which is the pre-iteration state.
      Overrides:
      reset in class EvalContext

    • setPosition

      public boolean setPosition(int position)
      Description copied from class: 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.
      Overrides:
      setPosition in class EvalContext
      Parameters:
      position - to set
      Returns:
      boolean

    • nextNode

      public boolean nextNode()
      Description copied from class: EvalContext
      Returns true if there is another object in the current set. Switches the current position and node to the next object.
      Specified by:
      nextNode in class EvalContext
      Returns:
      boolean