Advanced COM+ Event Service Issues
Now that you've seen how easy it is to get the basics of loosely couple events to work, we will look at a couple of more advanced COM+ Event Service issues.
Subscriptions and the IEventSubscription Interface
Because the first thing you'll probably want to play with after you get beyond the basics of asynchronous events is the subscription interface, we will take a look at what you can do with it.
As mentioned before, a subscription is an entity that, once created, resides within the COM+ catalog. Actually, the only subscriptions that live in the COM+ catalog are persistent subscriptions. I'll get into the distinction between persistent and transient subscriptions in the next section.
However, regardless of whether ...
Get COM+ Unleashed now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
