design practice for business layer when supporting API versioning

Posted by user1186065 on Programmers See other posts from Programmers or by user1186065
Published on 2013-03-19T20:39:26Z Indexed on 2013/11/01 22:10 UTC
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design-patterns

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api

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business-logic

Is there any design pattern or practice recommended for business layer when dealing with multiple API version.

For example, I have something like this.

http://site.com/blogs/v1/?count=10
which calls business object method GetAllBlogs(int count) to get information

http://site.com/blogs/v2/?blog_count=20

which calls business object method GetAllBlogs_v2(int blogCounts)

Since parameter name is changed, I created another business method for version 2. This is just one example but it could have other breaking changes for which it requires me to create another method to support both version. Is there any design pattern or best practice for business/data access layer I should follow when supporting API Versioning?

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