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volatile variable to propagate event between bundles [message #672635]

Sun, 22 May 2011 05:56

Ming Qin

Messages: 22
Registered: July 2009

Junior Member

I get an idea to use volatile variable to propagate event between bundles.

The design is to set a volatile variable in a spring-powered bundle and export that bundle to other spring-powered bundles. Other spring-powered bundles will poll the status of that volatile variable, if volatile variable gets changed which indicates an event happened on that bundle, then the other bundles could refresh their contained spring context.

This design can avoid the bundle events propagation complexity caused by whiteboard pattern implementation.

Does anyone have implemented this light-weight event propagation on virgo kernel-based application?
Thanks

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