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 Sat, 29 Jul 2006 17:40:05 PDT
Date: Sat, 29 Jul 2006 17:40:05 -0700 (PDT)
From: Bing Lu <mfcplus@yahoo.com>
Subject: Re: abstract resultmap?
To: user-java@ibatis.apache.org
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so in the example testDomain.Document can be an
abstract class? And also if I want to insert/update a
book or newspaper what query do I call? I see
update/insertDocument but no update/insert operations
for books and Newspaper thanks

<resultMap id="document" class="testdomain.Document">
    <result property="id" column="DOCUMENT_ID"/>
    <result property="title" column="DOCUMENT_TITLE"/>
    <result property="type" column="DOCUMENT_TYPE"/>
    <discriminator column="DOCUMENT_TYPE"
javaType="string" >
      <subMap value="Book" resultMap="book"/>
      <subMap value="Newspaper" resultMap="news"/>
    </discriminator>
  </resultMap>

--- Clinton Begin <clinton.begin@gmail.com> wrote:

> Yes, you can.
> 
> 
> On 7/29/06, Bing Lu <mfcplus@yahoo.com> wrote:
> >
> > so what if I have two classes that extends an
> abstract
> > class? that means I can't have a resultmap of the
> > abstract class with submaps of children still
> right?
> >
> > --- Clinton Begin <clinton.begin@gmail.com> wrote:
> >
> > > Well...what would it mean to support abstract
> type?
> > > That would be rather
> > > useless.  :-)
> > >
> > > I think what you're asking is to we support
> > > polymorphic queries, and the
> > > answer is YES.
> > >
> > > The wiki notes this as an undocumented feature:
> > >
> > >
> >
> >
>
http://opensource.atlassian.com/confluence/oss/display/IBATIS/Not+Yet+Documented
> > >
> > > You may find the unit tests helpful though, it's
> a
> > > pretty simple feature to
> > > use.
> > >
> > >
> >
> >
>
http://svn.apache.org/repos/asf/ibatis/trunk/java/mapper/mapper2/test/com/ibatis/sqlmap/maps/Documents.xml
> > >
> >
> >
>
http://svn.apache.org/repos/asf/ibatis/trunk/java/mapper/mapper2/test/com/ibatis/sqlmap/DiscriminatorTest.java
> > >
> > > Cheers,
> > > Clinton
> > >
> > > On 7/29/06, Bing Lu <mfcplus@yahoo.com> wrote:
> > > >
> > > > hi, does the mapper support abstract
> resultmaps?
> > > or
> > > > the class mapped must be instantiable
> > > >
> > > > thanks
> > > >
> > > >
> __________________________________________________
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> >
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> 


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