コード例 #1
0
 @Override
 public void resolveToOneAttributeSource(AttributeSourceResolutionContext context) {
   if (getNature() != null && owner != null) {
     return;
   }
   if (owner == null) {
     owner =
         (ToOneAttributeSource)
             context.resolveAttributeSource(
                 associationAttribute().getReferencedEntityType(),
                 associationAttribute().getMappedBy());
     owner.addMappedByAssociationSource(this);
   }
   if (getNature() == null) {
     final Nature nature;
     if (MappedAttribute.Nature.MANY_TO_ONE.equals(associationAttribute().getNature())) {
       nature = Nature.MANY_TO_ONE;
     } else if (MappedAttribute.Nature.ONE_TO_ONE.equals(associationAttribute().getNature())) {
       if (owner.getContainingTableName() != null) {
         nature = Nature.MANY_TO_ONE;
       } else {
         nature = Nature.ONE_TO_ONE;
       }
     } else {
       throw new AssertionError(
           String.format(
               "Wrong attribute nature[%s] for toOne attribute: %s",
               associationAttribute().getNature(), associationAttribute().getRole()));
     }
     setNature(nature);
   }
 }
コード例 #2
0
 @Override
 public PluralAttributeElementSource resolvePluralAttributeElementSource(
     AttributeSourceResolutionContext context) {
   if (elementSource == null) {
     // elementSource has not been initialized, so we need to resolve it using the
     // association owner.
     // Get the owner attribute source that maps the opposite side of the association.
     ownerAttributeSource =
         context.resolveAttributeSource(
             associationAttribute.getReferencedEntityType(), associationAttribute.getMappedBy());
     // Initialize resolved entitySource.
     elementSource =
         determineElementSource(
             ownerAttributeSource,
             this,
             entityClass,
             ""); // TODO not sure what relativePath should be here
     if (!MappedByAssociationSource.class.isInstance(elementSource)) {
       throw new AssertionFailure("expected a mappedBy association.");
     }
     final AssociationSource ownerAssociationSource;
     if (ownerAttributeSource.isSingular()) {
       ownerAssociationSource = (ToOneAttributeSource) ownerAttributeSource;
     } else {
       final PluralAttributeSource pluralAttributeSource =
           (PluralAttributeSource) ownerAttributeSource;
       if (!AssociationSource.class.isInstance(pluralAttributeSource.getElementSource())) {
         throw new AssertionFailure("Owner is not an association.");
       }
       ownerAssociationSource = (AssociationSource) pluralAttributeSource.getElementSource();
     }
     ownerAssociationSource.addMappedByAssociationSource(
         (MappedByAssociationSource) elementSource);
   }
   return elementSource;
 }