net.sf.saxon.query

Class XQueryFunctionLibrary.UnresolvedCallable

java.lang.Object

net.sf.saxon.query.XQueryFunctionLibrary.UnresolvedCallable

All Implemented Interfaces:

Callable, UserFunctionReference

Enclosing class:

XQueryFunctionLibrary

public static class XQueryFunctionLibrary.UnresolvedCallable
extends Object
implements UserFunctionReference, Callable

Inner class containing information about a reference to a function whose declaration has not yet been encountered. The references gets fixed up later, once information about all user-declared functions is available.

Constructor Summary

Constructors

Constructor and Description
XQueryFunctionLibrary.UnresolvedCallable(StructuredQName name, int arity)

Method Summary

Methods

Modifier and Type	Method and Description
Sequence	call(XPathContext context, Sequence[] arguments) Evaluate the expression
int	getArity()
UserFunction	getFunction()
StructuredQName	getFunctionName()
void	setFunction(UserFunction function)

Methods inherited from class java.lang.Object

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

Constructor Detail

XQueryFunctionLibrary.UnresolvedCallable

public XQueryFunctionLibrary.UnresolvedCallable(StructuredQName name,
                                        int arity)

Method Detail

getFunctionName

public StructuredQName getFunctionName()

getArity

public int getArity()

call

public Sequence call(XPathContext context,
            Sequence[] arguments)
              throws XPathException

Evaluate the expression

Specified by:

call in interface Callable

Parameters:

context - the dynamic evaluation context

arguments - the values of the arguments, supplied as Sequences

Returns:

the result of the evaluation, in the form of a Sequence

Throws:

XPathException - if a dynamic error occurs during the evaluation of the expression

setFunction

public void setFunction(UserFunction function)

Specified by:

setFunction in interface UserFunctionReference

getFunction

public UserFunction getFunction()