net.sf.saxon.expr
Class Atomizer.AtomizingFunction

java.lang.Object
  net.sf.saxon.expr.Atomizer.AtomizingFunction

All Implemented Interfaces:

MappingFunction

Enclosing class:

Atomizer

public static class Atomizer.AtomizingFunction

extends java.lang.Object

implements MappingFunction

Implement the mapping function. This is stateless, so there is a singleton instance.

Method Summary

static SequenceIterator	getAtomizingIterator(SequenceIterator base)
static Atomizer.AtomizingFunction	getInstance() Get the singleton instance
java.lang.Object	map(Item item) Map one item to a sequence.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getInstance

public static Atomizer.AtomizingFunction getInstance()

Get the singleton instance

Returns:

the singleton instance of this mapping function

getAtomizingIterator

public static SequenceIterator getAtomizingIterator(SequenceIterator base)

map

public java.lang.Object map(Item item)
                     throws XPathException

Description copied from interface: MappingFunction

Map one item to a sequence.

Specified by:

map in interface MappingFunction

Parameters:

item - The item to be mapped.

Returns:

one of the following: (a) a SequenceIterator over the sequence of items that the supplied input item maps to, or (b) an Item if it maps to a single item, or (c) null if it maps to an empty sequence.

Throws:

XPathException