com.saxonica.bytecode.map
Class CompiledContextMappingFunction

java.lang.Object
  com.saxonica.bytecode.map.CompiledContextMappingFunction

All Implemented Interfaces:

ContextMappingFunction

public abstract class CompiledContextMappingFunction
extends Object
implements ContextMappingFunction

Abstract ContextMappingFunction class that must be passed to a ContextMappingIterator. This is a specialization of the more general MappingFunction class: it differs in that each item being processed becomes the context item while it is being processed.

Constructor Summary

CompiledContextMappingFunction()

Method Summary

abstract SequenceIterator

map(XPathContext context) Map one item to a sequence.

Methods inherited from class java.lang.Object

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

Constructor Detail

CompiledContextMappingFunction

public CompiledContextMappingFunction()

Method Detail

map

public abstract SequenceIterator map(XPathContext context)
                              throws XPathException

Description copied from interface: ContextMappingFunction

Map one item to a sequence.

Specified by:

map in interface ContextMappingFunction

Parameters:

context - The processing context. The item to be mapped is the context item identified from this context: the values of position() and last() also relate to the set of items being mapped

Returns:

a SequenceIterator over the sequence of items that the supplied input item maps to

Throws:

XPathException - if a dynamic error is detected