Subject: RE: [jade-develop] Agents that talk to themselves
From: Bellifemine Fabio (Fabio.Bellifemine@TILAB.COM)
Date: Wed Jul 24 2002 - 10:25:01 MET DST
John, jade.core.behaviours.WakerBehaviour implements the functionality
you need.
See also the example that shows some use cases of that behaviour.
ciao, Fabio.
-----Original Message-----
From: John J. Mikucki
Sent: Wed 24/07/2002 06:27
To: jade-develop@sharon.cselt.it
Cc:
Subject: [jade-develop] Agents that talk to themselves
Hello---
I would like my agents to send messages to themselves
periodically. Ideally,
I would be able to specify a delay and an ACLMessage, and expect
the agent to
send itself that message from time to time.
My reasoning is that I would like to subject these 'internal'
stimuli to the
same rules that apply to 'external' messages from other agents.
For example,
suppose I have an agent which performs time-consuming processing
while on a
container. The agent should move periodically, with a period of
no less than
X seconds. The agent should not while tasks are active. Hence,
I would like
the agent to send itself messages at potential movement times,
every X
seconds. These messages would be validated according to the
same movement
safety-checks (for example, "Do not move while processing is
active") as
messages from external agents.
To this end, I have a class (IMGen) which creates and adds CBSs
(specialized
CyclicBehaviours) that send a message and block for the desired
inter-arrival
delay. However, whenever the agent receives a message, all CBSs
wake up
(sending their messages) even if the block() delays have not yet
expired. As
CBSs are strictly temporal, they will never be interested in or
affected by
messages from any source. What is the JADE-approved method to
ensure that
CBSs block for at least the full duration of their delay?
Thanks
John
--
Avoision, n: Avoidance, as practiced in 'Joisey.
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