Hi,
I have thought about demonstrating application and I would like to implement
one of these:
1) Applicaton with Tapestry 4 front end. Could possibly change Tapestry 3
example.
2) Application with Wicket 1.2 front end. Could be good Wicket example.
3) Simple swing application.
[1] http://wiki.apache.org/general/TomasJucius/Cayenne/proposal
Tomas Jucius
On 5/9/06, Andrus Adamchik <andru..bjectstyle.org> wrote:
>
> I also tend to lean the Compass way. Could you please update your
> wiki proposal to concentrate on Compass deliverables. Also one thing
> it would be nice to have in deliverables is a sample Cayenne
> application that demonstrates how Cayenne and Compass work side by
> side (e.g. looking up DataObject via Compass and then using it in a
> normal way).
>
> Andrus
>
>
> On May 8, 2006, at 4:14 PM, Tomas Jucius wrote:
>
> > Hi,
> >
> > I have done research and came to conclusion that implementing a
> > plugin for
> > Compass framework would be much more elegant approach than building
> > a facade
> > to the existing DB's.
> >
> > I'll name main reasons why I draw such conclusion:
> >
> > Facade approach:
> >
> > 1) Because not all DB's have full text search capabilities
> > implementing as a
> > facade to existing capabilities would make Cayenne framework
> > inconsistent
> > with some DB's. I suppose that one great quality of present
> > framework is
> > compatibility with supported databases.
> >
> > 2) Not elegant approach.
> >
> > 3) Taking care about all differences between DB's may be time
> > consuming.
> > Also future changes in different DB's may lead to error-prone code..
> >
> > Compass plugin approach:
> >
> > 1) Compass allows declaratively map object domain model to the
> > underlying
> > Search Engine, synchronizing data changes between Index and different
> > datasources. Also implements fast index operations and optimization.
> >
> > 2) Provides a abstraction on top of the Lucene low level API.
> >
> > 3) OSEM - ability to map java objects to the search engine through
> > simple
> > xml mapping files.
> >
> > 4) Hibernate ORM framework and OJB tool has compass plugin witch
> > provides
> > support for indexing datasource through OSEM and the named
> > frameworks. So we
> > can take good points from Hibernate plugin development experience.
> >
> > 5) Cayenne framework is a natural match to Compass OSEM features. A
> > simple
> > Compass::Gps device can index all the data that has both OSEM and ORM
> > mapping definition can be easily developed, and if the ORM tool
> > provides
> > support for events, then mirroring can be supported as well.
> >
> > I would appreciate any notes considering these two or maybe event
> > another
> > possible approach.
> >
> >
> > Tomas Jucius
>
>
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