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java Programming Glossary: metamodelJPA & Criteria API - Select only specific columns http://stackoverflow.com/questions/12618489/jpa-criteria-api-select-only-specific-columns EntityClazz_.ID root.get EntityClazz_.VERSION using metamodel List Tuple tupleResult em.createQuery cq .getResultList for.. EntityClazz_.ID root.get EntityClazz_.VERSION using metamodel List T result em.createQuery cq .getResultList See this link..
How to generate JPA 2.0 metamodel? http://stackoverflow.com/questions/3037593/how-to-generate-jpa-2-0-metamodel to generate JPA 2.0 metamodel In the spirit of type safety associated with the CriteriaQuery.. to generate the Metamodel... as opposed to creating the metamodel classes manually It would be awesome if someone also knows the.. Model Generator project on SourceForge java jpa jpa 2.0 metamodel annotation processing share improve this question It would..
Complex queries with JPA criteria builder http://stackoverflow.com/questions/3842122/complex-queries-with-jpa-criteria-builder dynamically based on the parameters given as a map using metamodel classes or any other way. Thanx in advance Aina Ari java jpa.. share improve this question It's like this without metamodel Map String Object params ... CriteriaBuilder cb em.getCriteriaBuilder.. List Tuple result em.createQuery cq .getResultList Or with metamodel typesafe but a bit wordy Map SingularAttribute Transaction Object..
http://stackoverflow.com/questions/6830501/whats-new-in-hibernate-4 of services see this for more details Improved metamodel not in 4.0.0.Final yet we planned this but due to the tasks..
Dynamic JPA 2.0 query using Criteria API http://stackoverflow.com/questions/2510106/dynamic-jpa-2-0-query-using-criteria-api CriteriaQuery Foo cq cb.createQuery Foo.class Metamodel m em.getMetamodel EntityType Foo Foo_ m.entity Foo.class Root.. Foo cq cb.createQuery Foo.class Metamodel m em.getMetamodel EntityType Foo Foo_ m.entity Foo.class Root Foo foo cq.from..
How to generate JPA 2.0 metamodel? http://stackoverflow.com/questions/3037593/how-to-generate-jpa-2-0-metamodel with the CriteriaQuery JPA 2.0 also has an API to support Metamodel representation of entities. Is anyone aware of a fully functional.. functional implementation of this API to generate the Metamodel... as opposed to creating the metamodel classes manually It.. you never know . EDIT Just stumbled across Hibernate JPA 2 Metamodel Generator . But the issue remains since I can't find any download..
How to use JPA Criteria API when joining many tables http://stackoverflow.com/questions/9025196/how-to-use-jpa-criteria-api-when-joining-many-tables api share improve this question If you use canonical Metamodel you'll avoid this kind of errors. In your code you have misused.. in the other question the way to define that join using Metamodel is this SetJoin Company Product products companyRoot.join Company_.products.. products companyRoot.join Company_.products As you can see Metamodel avoids the use of strings and so avoids a lot of runtime errors...
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