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Bill Swaney

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In Part 1 of this article (JDJ, Vol. 7, issue 3) I introduced the idea of using the surrogate architecture within Jini as a platform for J2ME games. I also showed how to start Madison, Sun's reference implementation, and how to connect to it with the provided device simulator. This article continues the surrogate architecture tour and introduces a method through which a J2ME device can use it. To briefly recap, the architecture allows any device, in our case a J2ME one, to connect to a Jini network through a surrogate object that represents the device in the network. The surrogate host provides a mechanism for the devices to register themselves and obtain a context that enables access to the underlying Jini infrastructure. Another important reason for choosing the surrogate architecture is that it allows us to view the device as a single object from the network persp... (more)

Jini Surrogate as a Platform for J2ME Games

Imagine using your J2ME device to participate in a complicated online game – or a simple one, for that matter. You log in to a network where network services are elements of the game. You, as a player in a massive online world, are represented as an object, a peer of all the other game elements. Your player object becomes the client of a map service, a service that allows you to explore and move around while delivering necessary display information. Your object discovers and uses other services as needed, without prior knowledge of many of them. You meet a creature you’ve never ... (more)