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From "Gary Dusbabek (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-1710) Java driver for CQL
Date Wed, 05 Jan 2011 15:32:46 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-1710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12977793#action_12977793
] 

Gary Dusbabek commented on CASSANDRA-1710:
------------------------------------------

Changes look good.  

One more thing I realized: careless uses could close() a Connection before returning it to
the pool, which if not full, would add a closed connection.

Depending on how much you want to guard the API you could check connection status before returning
it to the queue or emit derived Connections that have their close() methods overwritten to
be no-ops (or log a WARN), so that only the pool could call the real close().

> Java driver for CQL
> -------------------
>
>                 Key: CASSANDRA-1710
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1710
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: API
>    Affects Versions: 0.8
>            Reporter: Eric Evans
>            Assignee: Eric Evans
>            Priority: Minor
>             Fix For: 0.8
>
>         Attachments: v1-0001-CASSANDRA-1710-basic-connection-pooling-for-java-drive.txt,
v1-0002-compile-driver-source.txt, v2-0001-CASSANDRA-1710-basic-connection-pooling-for-java-drive.txt,
v2-0002-compile-driver-source.txt
>
>   Original Estimate: 0h
>  Remaining Estimate: 0h
>
> In-tree CQL drivers should be reasonably consistent with one another (wherever possible/practical),
and implement a minimum of:
> * Query compression
> * Keyspace assignment on connection
> * Connection pooling / load-balancing
> The goal is not to supplant the idiomatic libraries, but to provide a consistent, stable
base for them to build upon.

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