ContextItemExpression.ContextItemElaborator

java.lang.Object

net.sf.saxon.expr.elab.Elaborator

net.sf.saxon.expr.elab.ItemElaborator

net.sf.saxon.expr.ContextItemExpression.ContextItemElaborator

Enclosing class:: ContextItemExpression

public static class ContextItemExpression.ContextItemElaborator extends ItemElaborator

Elaborator for the context item expression, "dot".

Constructor Summary

Constructors

Constructor

Description

ContextItemElaborator()
Method Summary

Modifier and Type

Method

Description

ItemEvaluator

elaborateForItem()

Get a function that evaluates the underlying expression in the form of a Item.

PullEvaluator

elaborateForPull()

Get a function that evaluates the underlying expression in the form of a SequenceIterator

Methods inherited from class net.sf.saxon.expr.elab.ItemElaborator
eagerly, elaborateForBoolean, elaborateForPush, elaborateForUnicodeString

Methods inherited from class net.sf.saxon.expr.elab.Elaborator
elaborateForString, elaborateForUpdate, getConfiguration, getExpression, handleNullString, handleNullUnicodeString, handlePossiblyNullString, handlePossiblyNullUnicodeString, lazily, setExpression

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

Constructor Details
- ContextItemElaborator
  
  public ContextItemElaborator()
Method Details
- elaborateForItem
  
  public ItemEvaluator elaborateForItem()
  
  Description copied from class: Elaborator
  
  Get a function that evaluates the underlying expression in the form of a Item. This must only be called for expressions whose result has cardinality zero or one.
  
  Specified by:
  
  elaborateForItem in class ItemElaborator
  
  Returns:
  
  an evaluator for the expression that returns an Item, or null to represent an empty sequence.
- elaborateForPull
  
  public PullEvaluator elaborateForPull()
  
  Description copied from class: Elaborator
  
  Get a function that evaluates the underlying expression in the form of a SequenceIterator
  
  Overrides:
  
  elaborateForPull in class ItemElaborator
  
  Returns:
  
  an evaluator for the expression that returns a SequenceIterator