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## org.apache.xalan.xsltc.dom
Class MultiValuedNodeHeapIterator.HeapNode

    java.lang.Object
      |
      +--org.apache.xalan.xsltc.dom.MultiValuedNodeHeapIterator.HeapNode

public abstract class MultiValuedNodeHeapIterator.HeapNode
extends java.lang.Object
implements java.lang.Cloneable

An abstract representation of a set of nodes that will be retrieved in document order.

Constructor Summary
`MultiValuedNodeHeapIterator.HeapNode()`

Method Summary
`MultiValuedNodeHeapIterator.HeapNode` | `cloneHeapNode()` Creates a deep copy of this `HeapNode`.
`void` | `gotoMark()` Restores the current node remembered by `setMark()`.
`abstract boolean` | `isLessThan(MultiValuedNodeHeapIterator.HeapNode heapNode)` Performs a comparison of the two heap nodes
`abstract MultiValuedNodeHeapIterator.HeapNode` | `reset()` Reset the heap node back to its beginning.
`void` | `setMark()` Remembers the current node for the next call to `gotoMark()`.
`abstract MultiValuedNodeHeapIterator.HeapNode` | `setStartNode(int node)` Sets context with respect to which this heap node is evaluated.
`abstract int` | `step()` Advance to the next node represented by this `HeapNode`

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### MultiValuedNodeHeapIterator.HeapNode

    public MultiValuedNodeHeapIterator.HeapNode()

Method Detail

### step

    public abstract int step()

  Advance to the next node represented by this `HeapNode`
  Returns:
    the next DTM node.

### cloneHeapNode

    public MultiValuedNodeHeapIterator.HeapNode cloneHeapNode()

  Creates a deep copy of this `HeapNode`. The clone is not reset from the current position of the original.
  Returns:
    the cloned heap node

### setMark

    public void setMark()

  Remembers the current node for the next call to `gotoMark()`.

### gotoMark

    public void gotoMark()

  Restores the current node remembered by `setMark()`.

### isLessThan

    public abstract boolean isLessThan(MultiValuedNodeHeapIterator.HeapNode heapNode)

  Performs a comparison of the two heap nodes
  Parameters:
    `heapNode` - the heap node against which to compare
  Returns:
    `true` if and only if the current node for this heap node is before the current node of the argument heap node in document order.

### setStartNode

    public abstract MultiValuedNodeHeapIterator.HeapNode setStartNode(int node)

  Sets context with respect to which this heap node is evaluated.
  Parameters:
    `node` - The new context node
  Returns:
    a `HeapNode` which may or may not be the same as this `HeapNode`.

### reset

    public abstract MultiValuedNodeHeapIterator.HeapNode reset()

  Reset the heap node back to its beginning.
  Returns:
    a `HeapNode` which may or may not be the same as this `HeapNode`.

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Copyright © 2006 Apache XML Project. All Rights Reserved.