November 2004
Intermediate to advanced
1024 pages
27h 50m
English
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Server Object Activation
In the preceding sample programs, we used a server program to instantiate and register objects so that clients could make remote calls on them. However, in some cases, it may be wasteful to instantiate lots of server objects and have them wait for connections, whether or not client objects use them. The activation mechanism lets you delay the object construction so that a server object is only constructed when at least one client invokes a remote method on it.
To take advantage of activation, the client code is completely unchanged. The client simply requests a remote reference and makes calls through it.
However, the server program is replaced by an activation program that constructs activation descriptors of the objects ...
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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.