Already there https://issues.apache.org/jira/browse/IBATIS-717
Thanks a lot for looking in to it! -----Original Message----- From: Clinton Begin [mailto:clinton.be...@gmail.com] Sent: Wednesday, December 16, 2009 8:25 PM To: user-java@ibatis.apache.org Subject: Re: feature request for iBatis3 Can you create a jira ticket for this? It might actually already work, if we allow it in the DTD. Clinton On 2009-12-16, OBender <osya_ben...@hotmail.com> wrote: > Hi All, > > > > I guess this is a corner case but it is pretty important one for projects > with legacy data models. > > Let say there is a table in DB that contains: > > > > Column Type > > id int > > s1 string > > s2 string > > s3 string > > > > > > Also let say it is modeled (historically) by two immutable objects: > > > > public class ObjX > > { > > private final int id; > > private final String s1; > > private final ObjY objY; > > > > public ObjX( int id, String s1, ObjY objY ) > > { > > ... > > } > > } > > > > public class ObjY > > { > > private final String s2; > > private final String s3; > > > > public ObjY( String s2, String s3 ) > > { > > ... > > } > > } > > > > In this case there seems to be no way to build a result map for ObjX in > iBatis without changing ObjX code but what if we cannot change it? > > > > It would be nice if we could use resultMap in <constructor>/<arg> element. > > This way one could write something like: > > > > <resultMap type="ObjX" id="ObjXResult"> > > <constructor> > > <idArg column="id" javaType="_int" /> > > <arg column="s1" javaType="String" /> > > <arg javaType="ObjY" resultMap="ObjYResult"/> > > </constructor> > > </resultMap> > > > > <resultMap type="ObjY" id="ObjYResult"> > > <constructor> > > <arg column="s2" javaType="String" /> > > <arg column="s3" javaType="String" /> > > </constructor> > > </resultMap> > > > > Comparable result could be achieved with TypeHandler but it will require > column names to be hardcoded in the TypeHandler implementation also will > require adding one TypeHandler per each such a case. > > > > Thanks > > -- Sent from my mobile device --------------------------------------------------------------------- To unsubscribe, e-mail: user-java-unsubscr...@ibatis.apache.org For additional commands, e-mail: user-java-h...@ibatis.apache.org No virus found in this incoming message. Checked by AVG - www.avg.com Version: 9.0.716 / Virus Database: 270.14.101/2555 - Release Date: 12/14/09 14:40:00 --------------------------------------------------------------------- To unsubscribe, e-mail: user-java-unsubscr...@ibatis.apache.org For additional commands, e-mail: user-java-h...@ibatis.apache.org
