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From "agharta (JIRA)" <ibatis-...@incubator.apache.org>
Subject [jira] Commented: (IBATIS-182) Add global cache declaration
Date Wed, 17 Aug 2005 10:02:55 GMT
    [ http://issues.apache.org/jira/browse/IBATIS-182?page=comments#action_12318994 ] 

agharta commented on IBATIS-182:

Thanks for reply, Ron! 

Effectively, your approach is very good!!!

The problem of many sqlmaps and only one global cache is serious. Your idea is the better.

The CustomCacheModel is perfect for me. 

I'll hope that this feature will be implemented soon.

I'll try to collaborate with the community to improve the build speed of this feature.

Thanks again, Ron!


> Add global cache declaration
> ----------------------------
>          Key: IBATIS-182
>          URL: http://issues.apache.org/jira/browse/IBATIS-182
>      Project: iBatis for Java
>         Type: New Feature
>   Components: SQL Maps
>     Versions: 2.2.0, 2.2.5
>  Environment: All
>     Reporter: agharta

> Can i suggest a new feature??
> I suggest a global cache declaration, available for many sqlmap files.
> Example:
> Now,  into a sqlMap file:
> <cacheModel id="cache" readOnly="true" serialize="true" type="LRU">
>         <flushOnExecute statement="Author.insertAuthor"/>
>         <flushOnExecute statement="Author.updateAuthorById"/>
>         <flushOnExecute statement="Author.deleteAuthorById"/>
>         <property name="size" value="100000"/>
>         <flushInterval hours="24"/>
> </cacheModel>  
> Ok? This cache is valid only into this sqlmap file.
> So, following Spring's idea, if i have many sqlmap files and i want to extend the same
cache declaration....
> //into sqlMapConfig file or another dedicated file
> <cacheMap namespace="GlobalCache"> //new definition
>     <cacheModel id="cache" readOnly="true" serialize="true" type="LRU">
>         <flushOnExecute statement="insert*"/>
>         <flushOnExecute statement="update*"/>
>         <flushOnExecute statement="delete*"/>
>         <property name="size" value="100000"/>
>         <flushInterval hours="24"/>
>     </cacheModel>  
> </cacheMap>
> So, the sqlMap call the global cache model with the  useStatementNamespaces="true" setted
into sqlmapconfig file (therefore many global cache are availables)
> <statement id="getAuthorById" parameterClass="java.lang.Integer"
>         resultMap="get-author-result" cacheModel="GlobalCache.cache" >
>         <include refid="select"/>
>         WHERE ID = #value#
>  </statement>
> With this feature we'll save a lot of redundant code.
> I suggest a cache definition also into insert/update/delete statements, to allow the
internal or "global" cache selection.
> Is it possible??
> Thanks a lot for reply!
> Regards,
>                       Agharta

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