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Re: Can a thread "raise" an event?

To: REALbasic NUG <realbasic-nug at lists dot realsoftware dot com>
Subject: Re: Can a thread "raise" an event?
From: Norman Palardy <palardyn at shaw dot ca>
Date: Sun, 03 Oct 2004 15:44:23 -0600
Delivered-to: realbasic-nug at lists dot realsoftware dot com
References: <89B39709-1564-11D9-B86A-000A9585ABA2 at mac dot com> <CC5C1A3F-1565-11D9-8DE7-000A95A9544A at shaw dot ca> <2AC1FE1C-156D-11D9-B86A-000A9585ABA2 at mac dot com> <BA2801A4-1570-11D9-8DE7-000A95A9544A at shaw dot ca> <56D0B0A8-1575-11D9-B86A-000A9585ABA2 at mac dot com> <9E793BF0-1579-11D9-8DE7-000A95A9544A at shaw dot ca> <70E71B1A-157F-11D9-B86A-000A9585ABA2 at mac dot com>

On Oct 3, 2004, at 3:01 PM, Stefan Pantke wrote:


Am 3. Okt 2004 um 22:20 schrieb Norman Palardy:


On Oct 3, 2004, at 1:49 PM, Stefan Pantke wrote:


OK, understood.

BTW: For virtually any other platform than Mac OS, there a message passing
infrastructure. Why do we have no such system on the Mac?

What's wrong with AppleEvents ?

Nothing - except they are proprietary.

Moreover, I suppose the system isn't as refined as other
message passing systems (MQ-Series, M$ queue server).

Having work with JMS they are actually quite refined, networkable, and quite robust.
But yes, they are proprietary.

WebSphere MQ can use XML and SOAP as messages so hooking RB into this should be fairly straight forward.

JMS is SOAP based as well so there's nothing really stopping RB from using this sort of service.

If you use Java on OS X you can also use JMS.

Do we have synchr. and asynchr. events?

As far as I know yes.

Does the system stores messages if the system crashes and resends them if it's up again?

No. It does not, to my knowledge, support guaranteed delivery like this.
But then it also does not require a messaging server as MQ does in order to support this sort of functionality.

Do we have user defined timeouts?

I don't know, if these features are available. Do you?

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