May 2007
Intermediate to advanced
637 pages
14h 8m
English
book
Pattern-Oriented Software Architecture: A Pattern Language for Distributed Computing, 4th Volume
by Frank Buschmann, Kevlin Henney, Douglas C. Schmidt
Content preview from Pattern-Oriented Software Architecture: A Pattern Language for Distributed Computing, 4th Volume
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Chapter 13. Component Partitioning
Anna Buschmann, partitioning a Lego building © Frank Buschmann
Components are the implementation building blocks that provide well-defined services to their clients. How these services are realized is generally of no interest to the clients. While this black-box view is beneficial for component users, component developers cannot ignore the need for a internal component design. This chapter, therefore, presents six patterns that help to structure the implementation of a component. The focus of these patterns is on general component decomposition and the support for various component deployment scenarios in a distributed system.
Component-based software development is a key technology in modern software construction. The core idea is that software can be composed of well-defined modular building blocks, each providing a specific, coherent, and self-contained service through an interface. A defining characteristic of components and their composability is that they are based on a strong form of encapsulation and a range of choices concerning application binding time and location. This strong encapsulation of implementation details yields the two primary benefits of component-based software development:
Productivity. If the components that are used in the development of an application already exist or can be purchased as third party products, this can markedly ...
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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.