Code Design - (Extension (Point)|Service|Extensible Application|Plugin)

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1 - About

An extensible application is one that you can extend without modifying its original code base.

By designing an extensible application, you provide a way to upgrade or enhance specific parts of a product without changing the core code.

See also:

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3 - Implementation

An extensible application implements a mechanism of extensions with:

  • extension points,
  • plug-ins
  • or modules

that allow to extend it without modifying its base code.

A extension point declares a contract:

that extensions must conform to.

Plug-ins that want to connect to that extension point must implement that contract in their extension.

By adding a the plugin code implementing this extension points new functionality are added.

code/design/extension.txt · Last modified: 2019/05/25 10:27 by gerardnico