Package net.sf.saxon.functions
Class KeyFn.SubtreeFilter
java.lang.Object
net.sf.saxon.functions.KeyFn.SubtreeFilter
- All Implemented Interfaces:
ItemMappingFunction<NodeInfo,
NodeInfo>
- Enclosing class:
- KeyFn
public static class KeyFn.SubtreeFilter
extends Object
implements ItemMappingFunction<NodeInfo,NodeInfo>
Mapping class to filter nodes that have the origin node as an ancestor-or-self
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Constructor Summary
Constructors -
Method Summary
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Constructor Details
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SubtreeFilter
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Method Details
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mapItem
Description copied from interface:ItemMappingFunction
Map one item to another item.- Specified by:
mapItem
in interfaceItemMappingFunction<NodeInfo,
NodeInfo> - 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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