Constructor Detail

• ParentContext

  public ParentContext(EvalContext parentContext,
               NodeTest nodeTest)

  Create a new ParentContext.

  Parameters:

  parentContext - parent context

  nodeTest - test

Method Detail

• 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