RE: [aspectj-users] What is multi-object protocol?

["Gregor Kiczales" <gregor@xxxxxxxxx>]

Title: Message

We used this somewhat informal term to describe a protocol, or interaction, that objects of different classes follow.

 

For example, the (infamous) Observer pattern is a kind of multi-object protocol -- it is a protocol of interaction among objects of (potentially) different classes.  AspectJ and other AOP proposals like Hyper/J are useful to program this because they let you program both halves of the protocol in one place (aspect or class).

-----Original Message-----
From: aspectj-users-admin@xxxxxxxxxxx [mailto:aspectj-users-admin@xxxxxxxxxxx] On Behalf Of unmesh joshi
Sent: Wednesday, February 05, 2003 3:24 PM
To: aspectj-users@xxxxxxxxxxx
Cc: aspectj-dev@xxxxxxxxxxx
Subject: [aspectj-users] What is multi-object protocol?

Hi,

AspectJ documentation says it can be applied in multi-object protocols. I am just curious what does multi-object protocols mean?

Thanks,

Unmesh

 

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