After a couple hours on the mail archive, I found the problem. When I added
the defglobal to the Rete engine I used this command:
*Defglobal playerIDGlobal = new Defglobal(*PLAYER_ID*, new
Value(self.getID()));*
*engine.addDefglobal(playerIDGlobal);*
*
*
But this doesn't specify a type for the
Hi everyone,
I am trying to differentiate between Objects that belong to a certain user
inside two of my rules.
I have a variable created from Java like this:
*engine.getGlobalContext().setVariable(PLAYER_ID, new
Value(player.getID());*
*
*
And I want to use this variable in rules to determine
The asterisks are part of the defglobal's name. You're not comparing to the
defglobal: you're binding the value in the slot to a new variable. It's not
legal to negate such a constraint in its first use, as the error message said.
You need to use
(unit (ID ?id) (typeID ?typeID) (player
I placed the asterisks around PLAYER_ID then still received an error when
the rule fired: No such variable *PLAYER_ID* But then noticed that when
I call setVariable, I name the variable PLAYER_ID not *PLAYER_ID* so I
changed my statement to this:
For everything to work right, you always have to use the asterisks (as I said,
they're part of the name), and you must include a (defglobal) declaration
before using the variable. Setting a global variable by hand without
declaring it first produces undefined results (I.e., it'll work right
