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From "Andrus Adamchik (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (CAY-2008) Connection pool refactoring and validation query support in Cayenne DataSource
Date Thu, 30 Apr 2015 16:00:11 GMT

     [ https://issues.apache.org/jira/browse/CAY-2008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrus Adamchik closed CAY-2008.
--------------------------------
       Resolution: Fixed
    Fix Version/s: 4.0.M3

> Connection pool refactoring and 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
>             Fix For: 4.0.M3
>
>
> 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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