Examples of nexj.core.meta.persistence.sql.RelationalClassMapping

nexj.core.meta.persistence.sql.RelationalClassMapping
Relational mapping of an attribute referencing an object.


      assertNotNull(versionMapping);
      assertEquals("version", versionMapping.getColumn().getName());
      assertEquals("PrincipalRef", versionMapping.getColumn().getTable().getName());


      RelationalClassMapping principalMapping = (RelationalClassMapping)principalRefMapping
         .getAttributeMapping(m_principalRef.getAttribute("principal"));


      assertNotNull(principalMapping);
      assertEquals("PrincipalRef.FK_Usr", principalMapping.getSourceKey().getName());
      assertEquals("Usr.PK", ((Index)principalMapping.getDestinationKey()).getName());
      assertEquals(1, principalMapping.getDenormCount());
      assertEquals("PrincipalExt.FK_Usr", ((RelationalClassDenorm)principalMapping.getDenorm(0)).getSourceKey().getName());


      principalMapping = (RelationalClassMapping)principalRefMapping
         .getAttributeMapping(m_principalRef.getAttribute("principal2"));


      assertNotNull(principalMapping);
      assertEquals("PrincipalRef.PK", principalMapping.getSourceKey().getName());
      assertEquals("Usr.PK", ((Index)principalMapping.getDestinationKey()).getName());
      assertEquals(0, principalMapping.getDenormCount());


      RelationalPrimitiveMapping principalIdMapping = (RelationalPrimitiveMapping)principalRefMapping
         .getAttributeMapping(m_principalRef.getAttribute("principalId"));


      assertNotNull(principalIdMapping);

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    */
   protected Work addClassWork(UnitOfWork uow, Instance instance,
      Work primaryWork, ClassMapping assocMapping)
   {
      PersistenceMapping mapping = instance.getPersistenceMapping();
      RelationalClassMapping relAssocMapping = (RelationalClassMapping)assocMapping;
      SQLWork work = findWork(uow, instance, relAssocMapping.getSourceKey().getTable());


      if (work == null)
      {
         if (primaryWork.getType() == SQLWork.UPDATE)
         {
            ((SQLUpdate)primaryWork).touch();
         }


         work = addWork(uow, primaryWork.getType(), instance, relAssocMapping.getSourceKey().getTable());
         primaryWork.addSuccessor(work, relAssocMapping.getSourceKey().getTable().getPrimaryKey(), mapping.getObjectKey());
      }


      return work;
   }

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                        }
                     }
                  }
                  else if (mapping instanceof RelationalClassMapping)
                  {
                     RelationalClassMapping classMapping = (RelationalClassMapping)mapping;


                     if (classMapping.isInner())
                     {
                        IndexColumn indexColumn = classMapping.getSourceKey().findIndexColumn(column);


                        if (indexColumn != null)
                        {
                           Object value = instance.findValue(attribute.getName(), Undefined.VALUE);

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Related Classes of nexj.core.meta.persistence.sql.RelationalClassMapping

nexj.core.meta.Metaclass

nexj.core.meta.MetaclassTest

nexj.core.persistence.sql.SQLAdapter

nexj.core.meta.MetadataException

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