Package net.sf.saxon.expr
Class ItemMapper
java.lang.Object
net.sf.saxon.expr.ItemMapper
- All Implemented Interfaces:
ItemMappingFunction
ItemMapper is an implementation of
ItemMappingFunction
that wraps
a function typically supplied as a lambda expression.
NOTE: Java allows a lambda expression to be used wherever an ItemMappingFunction
is needed, but C# does not (it's not possible in C# to have a class implementing
a delegate). So if a lambda expression is wanted, use an ItemMapper
as a wrapper.
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Nested Class Summary
Nested Classes -
Method Summary
Modifier and TypeMethodDescriptionMap one item to another item.static ItemMapper
of
(ItemMapper.Lambda lambda)
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Method Details
-
of
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mapItem
Map one item to another item.- Specified by:
mapItem
in interfaceItemMappingFunction
- Parameters:
item
- The input item to be mapped.- Returns:
- either the output item, or null.
- Throws:
XPathException
- if a dynamic error occurs
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