"self" can't be a Zone unless you are in a Swarm.
Replace self in creaeBegin with [self getZone] and the problem will go
away.
I assure you that it is technically possible to create objects in any kind
of class.
IT used to be in the old days that we always used [self getZone], but when
Swarm and GUISwarm became Zones, there was no need to get the zone
anymore. SO self works well enough. It is one of the "streamlining"
efforts that occurred right before the first Swarmfest I ever went to,
which I think was in 1998.
For questions like this, I bet that tutorial I've been encouraging people
to test out will help you. You find "swarmapps-obj" in here
http://lark.cc.ku.edu/~pauljohn/Swarm.
pj
Derek Farren wrote:
Hello everybody.
From my experienece with swarm, it seems like you can´t create an object
in
a class other than ModelSwarm (and ObserverSwarm, of course).
For example, if I have the ClassA.h and ClassB.h (none of them
ModelSwarm.h) and I have in one of ClassA´s method aClassB = [ClassB
createBegin: self]; sentence, the bash window gives me the following
error:
*** event raised for error: InvalidArgument
*** function: _i_Object_s__doesNotRecognize_(), file:
/src/Swarm/swarm/src/defobj/DefObject.m, line: 825
Agent does not recognize allocIVars:
*** execution terminating due to error
/src/Swarm/swarm/src/defobj/Symbol.m:187 -[Error(c) _raiseEvent:]
This doesn´t happen if I create objects in the ModelSwarm class.
Am I right?
If so, how can I create objects in classes other than ModelSwarm?
Thanks
Derek Farren
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Paul E. Johnson email: address@hidden
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