[vwnc] Announcements question

Hernán,

 

Announcements are classes, so they can have instance variables.  Stick your argument value into the instance variable.

 

The announcement mechanism is flexible:  you actually send instances of announcement classes.  If you announce the class, it creates an instance for you.  So, you don’t need arguments on the subscription.  When you need to make the announcement, instantiate the class, assign the instance variable to whatever argument you want to send with it, and announce the instance.

 

Cheers!

 

Tom Hawker
Senior Framework Developer
Home	+1 (408) 274-4128	The Environment: We take it personally
Office	+1 (408) 576-6591
Mobile	+1 (408) 835-3643

 

---

From: [hidden email] [mailto:[hidden email]] On Behalf Of Hernán Morales Durand
Sent: Wednesday, November 04, 2009 1:50 PM
To: Pharo Development; vwnc mailing list
Subject: [vwnc] Announcements question

 

Hi, I'm using AXAnnouncements but I suppose this question is valid for other implementations. In SASE (the "triggerEvent" event framework) one could subscribe an event for an object specifying an argument at registration time:

eventSource
  when: #eventName send: #aSelector to: anObject with: argument

I've looked at Announcements and it seems this kind of registration isn't supported without using blocks. Am I right?
Before getting into details I just want to check. What people do to specify an argument at registration time with Announcements?

Cheers,

Hernán

IMPORTANT NOTICE Email from OOCL is confidential and may be legally privileged. If it is not intended for you, please delete it immediately unread. The internet cannot guarantee that this communication is free of viruses, interception or interference and anyone who communicates with us by email is taken to accept the risks in doing so. Without limitation, OOCL and its affiliates accept no liability whatsoever and howsoever arising in connection with the use of this email. Under no circumstances shall this email constitute a binding agreement to carry or for provision of carriage services by OOCL, which is subject to the availability of carrier's equipment and vessels and the terms and conditions of OOCL's standard bill of lading which is also available at http://www.oocl.com.