mess.extensions
Class Apply

java.lang.Object
  |
  +--mess.extensions.Apply

public class Apply

extends Object

implements Userfunction

apply function will allow you to pass function names aroudn as arguments; e.g.

 (bind ?fn eq)
 (if (apply (?fn ?arg1 ?arg2))
    then .....
 

you can also use it in LHS of rules:

 (defrule match
   (property (value ?v1))
   (property (value ?v2)
             (equalFn ?eq))
   (test (apply ?eq ?v1 ?v2))
   =>
   ....
 

Thus we can have facts with customizable methods for various things...

Constructor Summary

Apply()

Method Summary

Value	call(ValueVector vv, Context c)
String	getName()

Methods inherited from class java.lang.Object

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

Constructor Detail

Apply

public Apply()

Method Detail

getName

public String getName()

Specified by:

getName in interface Userfunction

call

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

Specified by:

call in interface Userfunction