jess
Class JessVersion

java.lang.Object
  jess.JessVersion

All Implemented Interfaces:

java.io.Serializable, Userfunction

public class JessVersion
extends java.lang.Object
implements Userfunction, java.io.Serializable

(C) 2006 Sandia National Laboratories
$Id: JessVersion.java,v 1.22 2008/08/06 18:02:05 ejfried Exp $

See Also:

Serialized Form

Field Summary

static java.lang.String	COPYRIGHT_STRING The copyright information for this version of Jess.
static double	VERSION_NUMBER The version number of Jess.
static java.lang.String	VERSION_STRING A string describing this version of Jess, of the form

Method Summary

Value	call(ValueVector vv, Context context) Call this function with the given argument list.
java.lang.String	getName() Return the name of this function.

Methods inherited from class java.lang.Object

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

Field Detail

VERSION_STRING

public static final java.lang.String VERSION_STRING

A string describing this version of Jess, of the form

Jess Version 7.1 7/8/2008

This value is not a compile-time constant, so classes that refer to this variable will see the real value.

VERSION_NUMBER

public static final double VERSION_NUMBER

The version number of Jess. Not a compile-time constant.

COPYRIGHT_STRING

public static final java.lang.String COPYRIGHT_STRING

The copyright information for this version of Jess. Not a compile-time constant.

Method Detail

getName

public java.lang.String getName()

Description copied from interface: Userfunction

Return the name of this function. Called once when the function is installed into a Rete engine.

Specified by:

getName in interface Userfunction

Returns:

The name of this function, as seen by the Jess language

call

public Value call(ValueVector vv,
                  Context context)
           throws JessException

Description copied from interface: Userfunction

Call this function with the given argument list. The arguments will be unresolved - do not pass them to other functions or return them as a result without calling resolveValue() on them!

Specified by:

call in interface Userfunction

Parameters:

vv - The argument list. The function name will be the 0th element.

context - The execution context for resolving arguments.

Returns:

The result of executing this function.

Throws:

JessException - If anything goes wrong.

See Also:

Value.resolveValue(jess.Context)