Class CollectionNodeIterator

java.lang.Object
org.apache.commons.jxpath.ri.model.beans.CollectionNodeIterator
All Implemented Interfaces:
NodeIterator
Direct Known Subclasses:
CollectionAttributeNodeIterator, CollectionChildNodeIterator

public abstract class CollectionNodeIterator extends Object implements NodeIterator
Combines node iterators of all elements of a collection into one aggregate node iterator.
Version:
$Revision: 652845 $ $Date: 2008-05-02 12:46:46 -0500 (Fri, 02 May 2008) $
  • Field Details

    • pointer

      private CollectionPointer pointer
    • reverse

      private boolean reverse
    • startWith

      private NodePointer startWith
    • position

      private int position
    • collection

      private List collection
  • Constructor Details

    • CollectionNodeIterator

      protected CollectionNodeIterator(CollectionPointer pointer, boolean reverse, NodePointer startWith)
      Create a new CollectionNodeIterator.
      Parameters:
      pointer - collection pointer
      reverse - iteration order
      startWith - starting pointer
  • Method Details

    • getElementNodeIterator

      protected abstract NodeIterator getElementNodeIterator(NodePointer elementPointer)
      Implemented by subclasses to produce child/attribute node iterators.
      Parameters:
      elementPointer - owning pointer
      Returns:
      NodeIterator
    • getPosition

      public int getPosition()
      Description copied from interface: NodeIterator
      Get the current iterator position.
      Specified by:
      getPosition in interface NodeIterator
      Returns:
      int position
    • setPosition

      public boolean setPosition(int position)
      Description copied from interface: NodeIterator
      Set the new current position.
      Specified by:
      setPosition in interface NodeIterator
      Parameters:
      position - the position to set
      Returns:
      true if there is a node at position.
    • getNodePointer

      public NodePointer getNodePointer()
      Description copied from interface: NodeIterator
      Get the NodePointer at the current position.
      Specified by:
      getNodePointer in interface NodeIterator
      Returns:
      NodePointer
    • prepare

      private void prepare()
      Prepare...