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Posted to commits@cayenne.apache.org by "Andrus Adamchik (JIRA)" <ji...@apache.org> on 2015/04/30 12:32:05 UTC

[jira] [Created] (CAY-2008) Validation query support in Cayenne DataSource

Andrus Adamchik created CAY-2008:
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             Summary: Validation query support in Cayenne DataSource
                 Key: CAY-2008
                 URL: https://issues.apache.org/jira/browse/CAY-2008
             Project: Cayenne
          Issue Type: Bug
            Reporter: Andrus Adamchik
            Assignee: Andrus Adamchik


While I am normally of an opinion that our own connection pool should not compete with 3rd parties, and we should instead focus on ORM features of the framework, I ran into a few scenarios that made me reconsider and work on adding at least some features. 

Specifically "validation query" that is run before a connection is given to the pool user is a must have. Otherwise the user gets timed out connections. So arguably the pool is broken as a result.

While we are at it, we might rename connection pool classes, and provide a builder for the pool. PoolManager is not the most intuitive name for the pooling DataSource and its construction API is far from easy.



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