Examples of org.hibernate.type.EntityType

org.hibernate.type.EntityType
Base for types which map associations to persistent entities. @author Gavin King

    throws HibernateException {
      if ( value == null ) {
        return null;
      }
      else if ( type.isEntityType() ) {
        EntityType entityType = (EntityType) type;
        if ( entityType.isOneToOne() ) {
          return value;
        }
        else {
          String entityName = entityType.getAssociatedEntityName();
          return isNullifiable(entityName, value) ? null : value;
        }
      }
      else if ( type.isAnyType() ) {
        return isNullifiable(null, value) ? null : value;

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    return rhsAlias;
  }


  private boolean isOneToOne() {
    if ( joinableType.isEntityType() )  {
      EntityType etype = (EntityType) joinableType;
      return etype.isOneToOne() /*&& etype.isReferenceToPrimaryKey()*/;
    }
    else {
      return false;
    }

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      if (config==FetchMode.JOIN) return true;
      if (config==FetchMode.SELECT) return false;
      if ( type.isEntityType() ) {
        //TODO: look at the owning property and check that it 
        //      isn't lazy (by instrumentation)
        EntityType entityType =(EntityType) type;
        EntityPersister persister = getFactory().getEntityPersister( entityType.getAssociatedEntityName() );
        return !persister.hasProxy();
      }
      else {
        return false;
      }

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      throw new IdentifierGenerationException(
          "attempted to assign id from null one-to-one property [" + getRole() + "]"
      );
    }


    final EntityType foreignValueSourceType;
    final Type propertyType = persister.getPropertyType( propertyName );
    if ( propertyType.isEntityType() ) {
      // the normal case
      foreignValueSourceType = (EntityType) propertyType;
    }
    else {
      // try identifier mapper
      foreignValueSourceType = (EntityType) persister.getPropertyType( "_identifierMapper." + propertyName );
    }


    Serializable id;
    try {
      id = ForeignKeys.getEntityIdentifierIfNotUnsaved(
          foreignValueSourceType.getAssociatedEntityName(),
          associatedObject, 
          sessionImplementor
      );
    }
    catch (TransientObjectException toe) {
      id = session.save( foreignValueSourceType.getAssociatedEntityName(), associatedObject );
    }


    if ( session.contains(object) ) {
      //abort the save (the object is already saved by a circular cascade)
      return IdentifierGeneratorHelper.SHORT_CIRCUIT_INDICATOR;

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      if ( element.isFetch() ) {
        if ( element.isCollectionJoin() || element.getQueryableCollection() != null ) {
          // This is now handled earlier in this method.
        }
        else if ( element.getDataType().isEntityType() ) {
          EntityType entityType = ( EntityType ) element.getDataType();
          if ( entityType.isOneToOne() ) {
            owners[i] = fromElementList.indexOf( element.getOrigin() );
          }
          ownerAssociationTypes[i] = entityType;
        }
      }

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        NonScalarReturn ownerDescriptor = fetchRtn.getOwner();
        int ownerIndex = nonScalarReturnList.indexOf( ownerDescriptor );
        entityOwners.add( new Integer( ownerIndex ) );
        lockModes.add( fetchRtn.getLockMode() );
        Queryable ownerPersister = determineAppropriateOwnerPersister( ownerDescriptor );
        EntityType fetchedType = ( EntityType ) ownerPersister.getPropertyType( fetchRtn.getOwnerProperty() );
        String entityName = fetchedType.getAssociatedEntityName( getFactory() );
        Queryable persister = ( Queryable ) factory.getEntityPersister( entityName );
        entityPersisters.add( persister );
        nonScalarReturnList.add( rtn );
        specifiedAliases.add( fetchRtn.getAlias() );
        entityAliases.add( fetchRtn.getEntityAliases() );

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    }
    else if ( ownerDescriptor instanceof CollectionReturn ) {
      CollectionReturn collRtn = ( CollectionReturn ) ownerDescriptor;
      String role = collRtn.getOwnerEntityName() + "." + collRtn.getOwnerProperty();
      CollectionPersister persister = getFactory().getCollectionPersister( role );
      EntityType ownerType = ( EntityType ) persister.getElementType();
      entityName = ownerType.getAssociatedEntityName( getFactory() );
    }
    else if ( ownerDescriptor instanceof FetchReturn ) {
      FetchReturn fetchRtn = ( FetchReturn ) ownerDescriptor;
      Queryable persister = determineAppropriateOwnerPersister( fetchRtn.getOwner() );
      Type ownerType = persister.getPropertyType( fetchRtn.getOwnerProperty() );
      if ( ownerType.isEntityType() ) {
        entityName = ( ( EntityType ) ownerType ).getAssociatedEntityName( getFactory() );
      }
      else if ( ownerType.isCollectionType() ) {
        Type ownerCollectionElementType = ( ( CollectionType ) ownerType ).getElementType( getFactory() );
        if ( ownerCollectionElementType.isEntityType() ) {
          entityName = ( ( EntityType ) ownerCollectionElementType ).getAssociatedEntityName( getFactory() );
        }
      }

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      if ( element.isFetch() ) {
        if ( element.isCollectionJoin() || element.getQueryableCollection() != null ) {
          // This is now handled earlier in this method.
        }
        else if ( element.getDataType().isEntityType() ) {
          EntityType entityType = ( EntityType ) element.getDataType();
          if ( entityType.isOneToOne() ) {
            owners[i] = fromElementList.indexOf( element.getOrigin() );
          }
          ownerAssociationTypes[i] = entityType;
        }
      }

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      String role = ownerPersister.getEntityName() + '.' + fetchReturn.getOwnerProperty();
      addCollection( role, alias, fetchReturn.getPropertyResultsMap() );
//      collectionOwnerAliases.add( ownerAlias );
    }
    else if ( returnType.isEntityType() ) {
      EntityType eType = ( EntityType ) returnType;
      String returnEntityName = eType.getAssociatedEntityName();
      SQLLoadable persister = getSQLLoadable( returnEntityName );
      addPersister( alias, fetchReturn.getPropertyResultsMap(), persister );
    }


  }

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        final EmbeddedComponentType dependentIdType =
            (EmbeddedComponentType) persister.getEntityMetamodel().getIdentifierProperty().getType();
        if ( dependentIdType.getSubtypes().length == 1 ) {
          final Type singleSubType = dependentIdType.getSubtypes()[0];
          if ( singleSubType.isEntityType() ) {
            final EntityType dependentParentType = (EntityType) singleSubType;
            final Type dependentParentIdType = dependentParentType.getIdentifierOrUniqueKeyType( source.getFactory() );
            if ( dependentParentIdType.getReturnedClass().isInstance( event.getEntityId() ) ) {
              // yep that's what we have...
              loadByDerivedIdentitySimplePkValue(
                  event,
                  loadType,
                  persister,
                  dependentIdType,
                  source.getFactory().getEntityPersister( dependentParentType.getAssociatedEntityName() )
              );
              return;
            }
          }
        }

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org.dom4j.Element

org.hibernate.AssertionFailure

org.hibernate.engine.EntityUniqueKey

org.hibernate.engine.ForeignKeys$Nullifier

org.hibernate.engine.internal.ForeignKeys

org.hibernate.engine.internal.ForeignKeys$Nullifier

org.hibernate.engine.PersistenceContext

org.hibernate.engine.query.spi.EntityGraphQueryHint

org.hibernate.engine.SessionFactoryImplementor

org.hibernate.engine.spi.EntityUniqueKey

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