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mjmj
 Post subject: index DTYPE, @IndexEmbedded with @Inheritance
PostPosted: Wed Feb 04, 2009 5:15 pm 
Newbie

Joined: Wed Feb 04, 2009 7:27 am
Posts: 3
I have the following 3 classes

Code:
@Inheritance(strategy= InheritanceType.JOINED)
@Indexed
class Role {
   @DocumentId @Generated
   Integer id;
}

@Indexed
class Admin extends Role {
}
@Indexed
class NoBody extends Role {
}
@Indexed
class User {
    @IndexEmbedded
    Set<Role> roles = new HashSet<Role>();
}


If i persist a User with some Roles only the Role.id will be available in the Lucene-Document as 'roles.id'.
How can the discriminator value (default: column DTYPE) be included in the User-Document e.g. roles.dtype: Admin, Nobody ??

Thanks
mj
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mjmj
 Post subject: Re: index DTYPE, @IndexEmbedded with @Inheritance
PostPosted: Wed Feb 04, 2009 5:37 pm 
Newbie

Joined: Wed Feb 04, 2009 7:27 am
Posts: 3
I was wrong....
InheritanceType.JOINED does not create a DTYPE column at, since each Entitiy has its own table.

Solution: Adding a simple String field to class Role initialized by Subclasses.

Code:
..
abstract class Role {
   ...
   @Field
   String type = getType();
   protected abstract String getType(); 
}
class Admin extends Role {
    protected String getType() {return "Admin"} 
}
class NoBody extends Role {
    protected String getType() {return "NoBody"} 
}
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