com.japisoft.xpath.function
Interface Function

All Known Implementing Classes:

AbstractFunction

public interface Function

Evaluate a function.

Since:

1.0

Version:

1.0

Author:

(c) 2003 JAPISOFT

Method Summary

java.lang.Object

eval(XPathContext context, FastVector arg)

Method Detail

eval

public java.lang.Object eval(XPathContext context,
                             FastVector arg)

Parameters:

arg - a Vector value, this is the responsability of the function to test the argument type

Returns:

an Object value like Integer, Boolean, String or NodeSet