[jira] [Created] (DELTASPIKE-1222) Allow query by example method expression wtih @Query annotation

[Richard Juso (JIRA)]

Richard Juso created DELTASPIKE-1222:
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             Summary: Allow query by example method expression wtih @Query 
annotation
                 Key: DELTASPIKE-1222
                 URL: https://issues.apache.org/jira/browse/DELTASPIKE-1222
             Project: DeltaSpike
          Issue Type: Improvement
          Components: Data-Module
            Reporter: Richard Juso
             Fix For: 1.8.0, 2.0


ability to either override findBy/findAll methods with @Query annotation 
(without using params or using params, but also allowing the E example pattern) 
 or add support for custom method expression that could be used for this 
purpose.  the E example would only appy to the main Entity restrictions, the 
additional params could apply to nested entities based on param index

ie. @Query(value = "select r from Range r where r.customId IN (select 
e.customId from EbsUserStub e)")
        public abstract List<Range> findBy(Range paramE, 
SingularAttribute<Range, ?> paramArrayOfSingularAttribute);

or 

@Query(value = "select r from Range r where r.customId IN (select e.customId 
from EbsUserStub e)")
        public abstract List<Range> findUsing(Range paramE, 
SingularAttribute<Range, ?> paramArrayOfSingularAttribute);

or 

@Query(value = "select r from Range r where r.customId IN (select e.customId 
from EbsUserStub e where e.miscField = ?2)")
        public abstract List<Range> findByMiscField(Range paramE, 
SingularAttribute<Range, ?> paramArrayOfSingularAttribute, String miscField);

method expression could either be custom ie. findUsing,  findByEntityName, 
findByMiscField or some other marker.



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