Design of the Policy Injection Application Block
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The Policy Injection Application Block provides a configurable and easy to use mechanism for applying policies to objects in order to reduce crosscutting concerns and improve object encapsulation. In particular, it makes it easy to take advantage of common features of the other Enterprise Library application blocks and core features to accomplish commonly required tasks such as validation, exception handling, logging, and more. This section describes the design and operation of the Policy Injection Application Block, showing how the interception mechanism works. It includes the following subsections:
- Design Goals for the Policy Injection Application Block
- Class Hierarchy of the Policy Injection Application Block
- Runtime Behavior of the Policy Injection Application Block
- Aborted Handler Execution
For a more detailed description about the internal workings of the application block, see the section Extending and Modifying the Policy Injection Application Block.