May 2004
Intermediate to advanced
888 pages
22h 31m
English
Content preview from Delphi for .NET Developer’s GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Client Activation
The BankManager service shown in Chapter 29 is an example of a Server Activated Object (SAO).
Although SAOs are sufficient for most uses, they have a number of restrictions:
SAOs don’t enable clients to control when they are created.
They are either just shared (singleton) or created on demand (per-call).
SAOs don’t enable per-client state to be preserved between subsequent method calls.
You can only create SAOs using the default constructor.
There are cases in which these limitations are too restrictive.
Client activated objects (CAOs) provide you with an alternative solution. Client activation allows you to
directly control when remote objects are created
provide each client with a unique copy of the object and thus allow per-client ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.