Re: [hibernate-dev] (no subject)

Yes, thats what you said in the javadocs ;) What I mean is that we have a use case for one of those. But not the other. So why develop something that we do not have a use case for? On Mon 20 Aug 2012 11:23:14 PM CDT, Strong Liu wrote: > reuse the IntegratorService / ServiceLoader ? > > On Aug 21, 2012, at 2:14 AM, Steve Ebersole <steve(a)hibernate.org > <mailto:steve@hibernate.org>> wrote: > >> Also, I have been thinking that there really ought to be different >> types of "integrators". Not sure what we gain by forcing >> MetadataContributingIntegrator, ServiceContributingIntegrator, >> TypeContributingIntegrator, etc to extend Integrator >> >> >> On Sat 18 Aug 2012 05:50:29 PM CDT, Steve Ebersole wrote: >>> The general idea is good. But not really getting the point/purpose of >>> having both before and after hooks. > > BEFORE: > > modules can choose extend the MetadataSources with its own hbm/ann and > get Metadata (Binder) process it > > this is pretty like what envers does today, or what i'm hoping it > could do, so we could reuse lots of envers code > > AFTER: > > modify existing EntityBindings etc or create its own EntityBindings > based on the existing ones > > > > >>> >>> On 08/17/2012 01:12 AM, Strong Liu wrote: >>>> I'm thinking add the interface below, with it, modules like envers >>>> can choose either before or after the metamodel get processed to hook >>>> into its own extending mappings >>>> >>>> >>>> public interface MetadataContributingIntegrator extends Integrator { >>>> /** >>>> * Allow the integrator to alter the {@link MetadataImplementor} >>>> BEFORE {@link MetadataSources} get processed. >>>> * <p/> >>>> * >>>> * At this stage, metamode ( like {@link >>>> org.hibernate.metamodel.spi.binding.EntityBinding} etc. ) is not >>>> available yet. >>>> * This is a good time to add the custom sources into >>>> {@MetadataSources} and get it processed by Hibernate Metamodel. >>>> * >>>> * @param metadata The Metamodel which is going to be completed >>>> by processing MetadataSources. >>>> * @param source Meta data sources to be processed. >>>> */ >>>> public void beforeMetadataProcessing(MetadataImplementor >>>> metadata, MetadataSources source); >>>> >>>> /** >>>> * Allow the itnegrator to alter the {@link MetadataImplementor} >>>> AFTER @{@link MetadataSources} get processed. >>>> * <p/> >>>> * >>>> * At this stage, metamode ( like {@link >>>> org.hibernate.metamodel.spi.binding.EntityBinding} etc. ) is bindded. >>>> * So, it depends on the integrator to manually create metamodel >>>> and add it to {@link MetadataImplementor} or modifiy the >>>> * existing one. >>>> * >>>> * @param metadata >>>> * @param source >>>> */ >>>> public void afterMetadataProcessing(MetadataImplementor metadata, >>>> MetadataSources source); >>>> } >>>> >>>> downside is, envers with old metamodel calls >>>> Configuration.buildMappings() again during the integration phase, so, >>>> its created hbm xml can be processed (again) before SF create, but >>>> with new metamodel, it is hard to do that I think ( or too time >>>> consuming ) >>>> >>>> and to create envers own metamodel ( hbm ) it needs to know the >>>> hibernate type of entity property, which can be easily get from >>>> Entitybinding but hard / duplicated to resolve from source by envers >>>> itself, so it seems we should choose "afterMetadataProcessing" >>>> >>>> but envers' hbm creation involves lots of code and pretty complicated >>>> ( to me :) it's better to reuse those code and choose >>>> "beforemetadataProcessing" and let new metamodel to take care of that. >>>> >>>> thoughts? >>>> >>>> >>>> On Aug 2, 2012, at 12:17 AM, Hardy Ferentschik <hardy(a)hibernate.org >>>> <mailto:hardy@hibernate.org>> >>>> wrote: >>>> >>>>> On 31 Jan 2012, at 10:55 PM, Sanne Grinovero wrote: >>>>> >>>>>> Why is the "annotation indexing" discussion part of the metamodel? >>>>> Why not? We are using Jandex in the new metamodel which is a >>>>> annotation index/repository >>>>> >>>>>> I initially understood that a replacement of commons-annotations was >>>>>> being developed, which would be nice for Search too as Search >>>>>> does not >>>>>> and should not depend on Hibernate ORM. >>>>> as Strong already said, there is no replacement module for >>>>> commons-annotations. There is no >>>>> need for it. >>>>> >>>>> And yes, Search should imo also switch to Jandex, however, it can >>>>> initially just create its own index. >>>>> Of course it might be nice to be able to use a Jandex index passed >>>>> to it via the integrator spi. Different story though. >>>>> >>>>> --Hardy >>>>> _______________________________________________ >>>>> hibernate-dev mailing list >>>>> hibernate-dev(a)lists.jboss.org <mailto:hibernate-dev@lists.jboss.org> >>>>> https://lists.jboss.org/mailman/listinfo/hibernate-dev >>>> ------------------------- >>>> Best Regards, >>>> >>>> Strong Liu <stliu at hibernate.org <http://hibernate.org>> >>>> http://about.me/stliu/bio >>>> >>>> _______________________________________________ >>>> hibernate-dev mailing list >>>> hibernate-dev(a)lists.jboss.org >>>> https://lists.jboss.org/mailman/listinfo/hibernate-dev >>> >>> >> >> -- >> steve(a)hibernate.org <mailto:steve@hibernate.org> >> http://hibernate.org > > ------------------------- > Best Regards, > > Strong Liu <stliu at hibernate.org <http://hibernate.org/>> > http://about.me/stliu/bio > -- steve(a)hibernate.org http://hibernate.org