[Andromda-user] [Hibernate cartridge] [modeling question]

[dbrentverner]

nstanceof doesn't seem to work :-  I couldn't work out how

to create a finder <<Service>> to do this, so I had to resort



to using a plain old hibernate session...



Query query = session.createQuery&#40;"from PublicationImpl"&#41;;

for&#40; Iterator it = query.iterate&#40;&#41;; it.hasNext&#40;&#41;; 
&#41;&#123;

&nbsp; Object o = it.next&#40;&#41;;

&nbsp; if&#40; o instanceof Book &#41;&#123;

&nbsp; &nbsp; System.out.println&#40;"book&#58; " + o.getClass&#40;&#41;&#41;;

&nbsp; &#125;

&nbsp; else if &#40; o instanceof Album &#41;&#123;

&nbsp; &nbsp; System.out.println&#40;"album&#58; " + o.getClass&#40;&#41;&#41;;

&nbsp; &#125;

&nbsp; else if&#40; o instanceof BookImpl &#41;&#123;

&nbsp; &nbsp; System.out.println&#40;"bookImpl&#58; " + 
o.getClass&#40;&#41;&#41;;

&nbsp; &#125;

&nbsp; else if &#40; o instanceof AlbumImpl &#41;&#123;

&nbsp; &nbsp; System.out.println&#40;"albumImpl&#58; " + 
o.getClass&#40;&#41;&#41;;

&nbsp; &#125;

&nbsp; else &#123;

&nbsp; &nbsp; System.out.println&#40;"publication&#58; " + 
o.getClass&#40;&#41;&#41;;

&nbsp; &#125;

&#125;





prints this.



publication&#58; class 
com.netavail.devel.uml.PublicationImpl$$EnhancerByCGLIB$$cff07381

publication&#58; class 
com.netavail.devel.uml.PublicationImpl$$EnhancerByCGLIB$$cff07381

publication&#58; class 
com.netavail.devel.uml.PublicationImpl$$EnhancerByCGLIB$$cff07381

publication&#58; class 
com.netavail.devel.uml.PublicationImpl$$EnhancerByCGLIB$$cff07381

publication&#58; class 
com.netavail.devel.uml.PublicationImpl$$EnhancerByCGLIB$$cff07381

publication&#58; class 
com.netavail.devel.uml.PublicationImpl$$EnhancerByCGLIB$$cff07381

publication&#58; class 
com.netavail.devel.uml.PublicationImpl$$EnhancerByCGLIB$$cff07381

publication&#58; class 
com.netavail.devel.uml.PublicationImpl$$EnhancerByCGLIB$$cff07381





Even if this did work, I still need to store types of Publication for which I 
might

not have a full object -- i.e., I'd need to use them a a Publication rather 
than as

a Book or Album, etc...  I know I can hack andromda to do what I want, but I'd

_much_ rather be able to contribute that work back into andromda for others'

benefit.
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