net.sf.saxon.query

Class XQueryFunctionLibrary.UnresolvedCallable

java.lang.Object

net.sf.saxon.query.XQueryFunctionLibrary.UnresolvedCallable

All Implemented Interfaces:

Callable, UserFunctionResolvable

Enclosing class:

XQueryFunctionLibrary

public static class XQueryFunctionLibrary.UnresolvedCallable
extends Object
implements UserFunctionResolvable, 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.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) UserFunction	function
(package private) SymbolicName.F	symbolicName

Constructor Summary

Constructors

Constructor and Description
UnresolvedCallable(SymbolicName.F symbolicName)

Method Summary

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

Field Detail

symbolicName

SymbolicName.F symbolicName

function

UserFunction function

Constructor Detail

UnresolvedCallable

public UnresolvedCallable(SymbolicName.F symbolicName)

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 UserFunctionResolvable

getFunction

public UserFunction getFunction()