net.sf.saxon.expr

Interface ItemMappingFunction

public interface ItemMappingFunction

ItemMappingFunction is an interface that must be satisfied by an object passed to a ItemMappingIterator. It represents an object which, given an Item, can return either another Item, or null.
Method Summary
Itemmap(Item item)
Map one item to another item.

Method Detail

map

public Item map(Item item)
Map one item to another item.

Parameters: item The input item to be mapped.

Returns: either the output item, or null.