Basic HTML version of Foils prepared March 23 98

Foil 8 JavaBean Communication and Event Model

From JavaBeans and Use in ComponentWare Basic Information Track Computational Science Course CPS616 -- March 25 1998. by Nancy McCracken, Geoffrey C. Fox, Wojtek Furmanski
1 JavaBeans use the same event model as the AWT to communicate between Beans. This involves an indirect structure with Listeners acting as a bridge or broker between Sources (of information) and Sinks or what is synonymous observers.
2 Source Bean
3 Listener
4 Sink Bean
5 2) Notification of need to communicate
6 1)
7 Source Bean
8 Sink Bean
9 3) Communicate
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