Yes this might be interesting, I'm not sure either David is really opposed. 
Especially if someone provides a patch well tested !

http://docs.ofbiz.org/display/OFBADMIN/OFBiz+Contributors+Best+Practices

Jacques

De : "opablo" <[EMAIL PROTECTED]>
> Hi Jonathon,
> 
> I've been reading the thread you posted, and I think you've got a point
> presenting the example: it is one classic situation where filtering is
> needed (or at least avoids many headaches!).
> 
> I also read David's post:
> 
> >In general entity and view entity definitions are meant to model
> >structure, not query constraints. Just add your desired constraints to
> >the EntityCondition passed into the findByCondition call (or Map for
> >findByAnd or whatever). 
> >
> >-David
> 
> and I only want to add that views don't model structure, they model only
> a view of the data (filtered and not filtered). Tables (entities) are
> what model the structure.
> 
> The "expert" in this "modelling" are database systems, and they do have
> this kind of filtering in their views (as SQL prompts in its standard).
> 
> Just tell me what can we do to add this "feature request" to JIRA and
> I'll work on it. And then we could try to convince David to accept the
> feature in OfBiz! :P
> 
> Oscar
> 
> On Mon, 2007-09-10 at 18:50 +0800, Jonathon -- Improov wrote:
> > Hi Oscar,
> > 
> > I started a thread on it quite recently. See 
> > http://www.nabble.com/forum/ViewPost.jtp?post=12018323&framed=y .
> > 
> > I don't see any possibility in the current Entity Engine to do what we want.
> > 
> > I have my own implementation to do this, since there wasn't any interest 
> > from OFBiz ML to get this 
> > functionality into OFBiz SVN.
> > 
> > In fact, I seem to have been compiling quite a sizable pile of enhancements 
> > I haven't been able to 
> > put back into OFBiz SVN! There are other enhancements, in the Widget 
> > department, the Entity 
> > Engine, the Minilang, etc.
> > 
> > If you can help me document this "feature request" in the JIRA issues, help 
> > iron out the details 
> > and community requirements and thoughts on this, I'll put in my enhancement 
> > right there.
> > 
> > Jonathon
> > 
> > opablo wrote:
> > > Hi all,
> > > 
> > > Since I began working with OfBiz I missed a feature in its entity
> > > engine: some feature to allow to include some sort of filtering in the
> > > view definition. I'm talking about a code like the following (the
> > > "filter" tag):
> > > 
> > > <view-entity entity-name="Suppliers"
> > > package-name="the.package.name"
> > >         title="List of suppliers">
> > >         <member-entity entity-alias="PR" entity-name="Party_Role"/>
> > > 
> > >         <alias-all entity-alias="PR"/>
> > > 
> > >         <view-link entity-alias="PR" rel-entity-alias="P">
> > >             <key-map field-name="partyIdFrom" rel-field-name="partyId"/>
> > >         </view-link>
> > > 
> > >         <filter entity-alias="PR">
> > >             <key-map field-name="roleTypeId" value="SUPPLIER">
> > >     </key-map>
> > >         </filter>
> > >     </view-entity>     
> > > 
> > > I know I can do the filtering when obtaining the data by code just by
> > > adding the filter condition, but when views grow, it is easier to
> > > organize your views into "functional" areas, or even it helps when
> > > querying and browsing data in webtools tab.
> > > 
> > > Is it in the roadmap for next versions? Has anyone discussed about this
> > > previously?
> > > 
> > > Thanxs,
> > > 
> > > Oscar
> > > 
> > >

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