August 2000
Intermediate to advanced
816 pages
18h 34m
English
Before continuing, I will take a moment to clarify some basic nomenclature regarding loosely coupled events, the COM+ Event Service, and this chapter:
Design patterns
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COM+ Event Service
A design pattern is defined as a documented solution to a recurring problem. In 1997, Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides produced a much-publicized book entitled Design Patterns: Elements of Reusable Object-Oriented Software. What this book did was to provide generic designs for addressing these common tasks. As an example, most programmers have run across the common problem of needing to ensure that a given object only be instantiated once within the context of a given ...
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