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http://issues.apache.org/jira/browse/IBATIS-226?page=comments#action_12422685 ]
Fabio Insaccanebbia commented on IBATIS-226:
--------------------------------------------
Has anybody tried to implement this RFE?
I've tried and I have an implementation but I feel it's a bit naive (I don't
have enough experience of the inner workings of iBatis)
Do you expect to create a "DefaultResultSetHandler" that encapsulates all the
logic iBatis has to transform a ResultSet into an Object of some sort?
Or do you think the ResultSetHandler is just something "alternative" to the
normal logic?
Something like:
if (rsh != null) {
result= rsh.handle(rs);
} else {
// ...normal logic here..
}
The second way (the one I tried to develop) has as a consequence that there is
no way to use ibatis "paging" or "caching" when using the ResultSetHandler; is
this acceptable?
> Support Commons DBUtils ResultSetHandler
> ----------------------------------------
>
> Key: IBATIS-226
> URL: http://issues.apache.org/jira/browse/IBATIS-226
> Project: iBatis for Java
> Issue Type: New Feature
> Components: SQL Maps
> Reporter: Paul Benedict
>
> Sometimes I need total control over the caching mechanism for very critical
> systems. I need to also guarantee object identity and I can only do this when
> handling the result set myself. I propose adding an attribute to the
> <statement> tag (and also <select>, <insert>, <update>) that will specify a
> subclass of ResultSetHandler so that I may write custom code and decode the
> ResultSet myself. The ResultSetHandler class is part of the Jakarta Commons
> DBUtils package. It is extremely useful!
> <select id="findMyObject" resultSetHandler="com.company.MyResultSetHandler">
> To prevent excess object creation, IBATIS must reuse the same instance it
> creates.
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