Package net.sf.saxon.expr
Interface ItemMappingFunction
- All Known Implementing Classes:
NumberFn
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
-
Method Details
-
map
Map one item to another item.- Parameters:
item
- The input item to be mapped.- Returns:
- either the output item, or null.
- Throws:
XPathException
-