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Posted by Barend Garvelink at 10:30 on Friday 26 October    Add 'What metadata?' site to delicious  Add 'What metadata?' site to technorati  Add 'What metadata?' site to digg  Add 'What metadata?' site to dzone

An interesting post by Dan Pritchett, What metadata? gives consideration to two often overlooked aspects of application development: configuration and logging. Both Dan’s post and the comments it drew are very much worth a read.

Posted by Hans-Jürgen Jacobs at 16:23 on Thursday 17 March    Add 'AOP@Work: AOP and metadata: A perfect match, Part 1' site to delicious  Add 'AOP@Work: AOP and metadata: A perfect match, Part 1' site to technorati  Add 'AOP@Work: AOP and metadata: A perfect match, Part 1' site to digg  Add 'AOP@Work: AOP and metadata: A perfect match, Part 1' site to dzone

In this first half of a two-part article, author Ramnivas Laddad provides a conceptual overview of the new Java metadata facility and shows where AOP could most benefit from the addition of metadata annotations. He then walks you through a five-part design refactoring, starting with a metadata-free AOP implementation and concluding with one… [ibm.com
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Posted by Hans-Jürgen Jacobs at 10:42 on Thursday 20 January    Add 'Validating Objects Through Metadata' site to delicious  Add 'Validating Objects Through Metadata' site to technorati  Add 'Validating Objects Through Metadata' site to digg  Add 'Validating Objects Through Metadata' site to dzone

Metadata, in the form of J2SE 5.0′s annotation, allow you to mark up your your code with declarative information, and then use reflection to pull out those annotations at runtime and use them. Jacob Hookom shows how these techniques can be used to validate input to your application. [onjava.com]


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