Add support for non-synthetic virtual model parts

hibernate-core/src/main/java/org/hibernate/boot/model/source/internal/hbm/ModelBinder.java

@@ -1870,24 +1870,16 @@ public class ModelBinder {
 
 		componentBinding.createForeignKey();
 
-		final Property attribute;
+		final Property attribute = new Property();
-		if ( embeddedSource.isVirtualAttribute() ) {
-			attribute = new SyntheticProperty() {
-				@Override
-				public String getPropertyAccessorName() {
-					return "embedded";
-				}
-			};
-		}
-		else {
-			attribute = new Property();
-		}
 		attribute.setValue( componentBinding );
 		bindProperty(
 				sourceDocument,
 				embeddedSource,
 				attribute
 		);
+		if ( embeddedSource.isVirtualAttribute() ) {
+			attribute.setPropertyAccessorName( "embedded" );
+		}
 
 		return attribute;
 	}

hibernate-core/src/main/java/org/hibernate/metamodel/internal/MetadataContext.java

@@ -47,6 +47,7 @@ import org.hibernate.metamodel.model.domain.internal.MappedSuperclassTypeImpl;
 import org.hibernate.metamodel.model.domain.internal.MappingMetamodelImpl;
 import org.hibernate.metamodel.spi.RuntimeModelCreationContext;
 import org.hibernate.type.descriptor.java.JavaType;
+import org.hibernate.type.descriptor.java.spi.EntityJavaTypeDescriptor;
 import org.hibernate.type.descriptor.java.spi.JavaTypeRegistry;
 import org.hibernate.type.spi.TypeConfiguration;
 
@@ -78,6 +79,7 @@ public class MetadataContext {
 	private final Set<MappedSuperclass> knownMappedSuperclasses;
 	private final TypeConfiguration typeConfiguration;
 	private final JpaStaticMetaModelPopulationSetting jpaStaticMetaModelPopulationSetting;
+	private final JpaMetaModelPopulationSetting jpaMetaModelPopulationSetting;
 	private final AttributeFactory attributeFactory = new AttributeFactory( this );
 
 	private final Map<Class<?>, EntityDomainType<?>> entityTypes = new HashMap<>();
@@ -105,12 +107,14 @@ public class MetadataContext {
 			MappingMetamodel mappingMetamodel,
 			MetadataImplementor bootMetamodel,
 			JpaStaticMetaModelPopulationSetting jpaStaticMetaModelPopulationSetting,
+			JpaMetaModelPopulationSetting jpaMetaModelPopulationSetting,
 			RuntimeModelCreationContext runtimeModelCreationContext) {
 		this.jpaMetamodel = jpaMetamodel;
 		this.metamodel = mappingMetamodel;
 		this.knownMappedSuperclasses = bootMetamodel.getMappedSuperclassMappingsCopy();
 		this.typeConfiguration = runtimeModelCreationContext.getTypeConfiguration();
 		this.jpaStaticMetaModelPopulationSetting = jpaStaticMetaModelPopulationSetting;
+		this.jpaMetaModelPopulationSetting = jpaMetaModelPopulationSetting;
 		this.runtimeModelCreationContext = runtimeModelCreationContext;
 	}
 
@@ -287,13 +291,12 @@ public class MetadataContext {
 								property
 						);
 						if ( attribute != null ) {
-							( (AttributeContainer<Object>) jpaMapping ).getInFlightAccess().addAttribute( attribute );
+							addAttribute( jpaMapping, attribute );
 							if ( property.isNaturalIdentifier() ) {
 								( ( AttributeContainer<Object>) jpaMapping ).getInFlightAccess()
 										.applyNaturalIdAttribute( attribute );
 							}
 						}
-
 					}
 
 					( (AttributeContainer<?>) jpaMapping ).getInFlightAccess().finishUp();
@@ -329,7 +332,7 @@ public class MetadataContext {
 						}
 						final PersistentAttribute<Object, ?> attribute = attributeFactory.buildAttribute( jpaType, property );
 						if ( attribute != null ) {
-							( (AttributeContainer<Object>) jpaType ).getInFlightAccess().addAttribute( attribute );
+							addAttribute( jpaType, attribute );
 							if ( property.isNaturalIdentifier() ) {
 								( ( AttributeContainer<Object>) jpaType ).getInFlightAccess()
 										.applyNaturalIdAttribute( attribute );
@@ -370,7 +373,7 @@ public class MetadataContext {
 					final Property property = propertyItr.next();
 					final PersistentAttribute<Object, ?> attribute = attributeFactory.buildAttribute( (ManagedDomainType<Object>) embeddable, property );
 					if ( attribute != null ) {
-						( ( AttributeContainer<Object>) embeddable ).getInFlightAccess().addAttribute( attribute );
+						addAttribute( embeddable, attribute );
 					}
 				}
 
@@ -384,6 +387,27 @@ public class MetadataContext {
 		}
 	}
 
+	private void addAttribute(ManagedDomainType<?> type, PersistentAttribute<Object, ?> attribute) {
+		final AttributeContainer.InFlightAccess<Object> inFlightAccess = ( (AttributeContainer<Object>) type ).getInFlightAccess();
+		final boolean virtual = attribute.getPersistentAttributeType() == Attribute.PersistentAttributeType.EMBEDDED
+				&& attribute.getAttributeJavaTypeDescriptor() instanceof EntityJavaTypeDescriptor<?>;
+		if ( virtual ) {
+			final EmbeddableDomainType<?> embeddableDomainType = (EmbeddableDomainType<?>) attribute.getValueGraphType();
+			final Component component = componentByEmbeddable.get( embeddableDomainType );
+			final Iterator<Property> propertyItr = component.getPropertyIterator();
+			while ( propertyItr.hasNext() ) {
+				final Property property = propertyItr.next();
+				final PersistentAttribute<Object, ?> subAttribute = attributeFactory.buildAttribute( (ManagedDomainType<Object>) embeddableDomainType, property );
+				if ( subAttribute != null ) {
+					inFlightAccess.addAttribute( subAttribute );
+				}
+			}
+			if ( jpaMetaModelPopulationSetting != JpaMetaModelPopulationSetting.ENABLED ) {
+				return;
+			}
+		}
+		inFlightAccess.addAttribute( attribute );
+	}
 
 	// 1) create the part
 	// 2) register the part (mapping role)

hibernate-core/src/main/java/org/hibernate/metamodel/model/domain/internal/JpaMetamodelImpl.java

@@ -474,6 +474,7 @@ public class JpaMetamodelImpl implements JpaMetamodel, Serializable {
 				mappingMetamodel,
 				bootMetamodel,
 				jpaStaticMetaModelPopulationSetting,
+				jpaMetaModelPopulationSetting,
 				runtimeModelCreationContext
 		);
 

hibernate-core/src/main/java/org/hibernate/persister/entity/AbstractEntityPersister.java

@@ -158,6 +158,7 @@ import org.hibernate.metamodel.mapping.AttributeMapping;
 import org.hibernate.metamodel.mapping.AttributeMetadata;
 import org.hibernate.metamodel.mapping.AttributeMetadataAccess;
 import org.hibernate.metamodel.mapping.BasicValuedModelPart;
+import org.hibernate.metamodel.mapping.EmbeddableValuedModelPart;
 import org.hibernate.metamodel.mapping.EntityDiscriminatorMapping;
 import org.hibernate.metamodel.mapping.EntityIdentifierMapping;
 import org.hibernate.metamodel.mapping.EntityMappingType;
@@ -175,6 +176,7 @@ import org.hibernate.metamodel.mapping.SelectableConsumer;
 import org.hibernate.metamodel.mapping.SingularAttributeMapping;
 import org.hibernate.metamodel.mapping.StateArrayContributorMapping;
 import org.hibernate.metamodel.mapping.StateArrayContributorMetadata;
+import org.hibernate.metamodel.mapping.VirtualModelPart;
 import org.hibernate.metamodel.mapping.internal.BasicEntityIdentifierMappingImpl;
 import org.hibernate.metamodel.mapping.internal.CompoundNaturalIdMapping;
 import org.hibernate.metamodel.mapping.internal.DiscriminatedAssociationAttributeMapping;
@@ -6362,7 +6364,21 @@ public abstract class AbstractEntityPersister
 			}
 		}
 
-		return getIdentifierModelPart( name, treatTargetType );
+		final ModelPart identifierModelPart = getIdentifierModelPart( name, treatTargetType );
+		if ( identifierModelPart != null ) {
+			return identifierModelPart;
+		}
+
+		for ( AttributeMapping attribute : declaredAttributeMappings.values() ) {
+			if ( attribute instanceof EmbeddableValuedModelPart && attribute instanceof VirtualModelPart ) {
+				final ModelPart subPart = ( (EmbeddableValuedModelPart) attribute ).findSubPart( name, null );
+				if ( subPart != null ) {
+					return subPart;
+				}
+			}
+		}
+
+		return null;
 	}
 
 	@Override

hibernate-core/src/test/java/org/hibernate/orm/test/formulajoin/Detail.java

@@ -6,7 +6,7 @@
  */
 
 //$Id: Detail.java 4602 2004-09-26 11:42:47Z oneovthafew $
-package org.hibernate.test.formulajoin;
+package org.hibernate.orm.test.formulajoin;
 import java.io.Serializable;
 
 /**

hibernate-core/src/test/java/org/hibernate/orm/test/formulajoin/FormulaJoinTest.java

@@ -4,13 +4,14 @@
  * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
  * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
  */
-package org.hibernate.test.formulajoin;
+package org.hibernate.orm.test.formulajoin;
 
 import java.util.List;
 
 import org.hibernate.Session;
 import org.hibernate.Transaction;
-import org.hibernate.dialect.PostgreSQL81Dialect;
+import org.hibernate.cfg.AvailableSettings;
+import org.hibernate.cfg.Configuration;
 import org.hibernate.dialect.PostgreSQLDialect;
 
 import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
@@ -23,10 +24,18 @@ import static org.junit.Assert.assertTrue;
  * @author Gavin King
  */
 public class FormulaJoinTest extends BaseCoreFunctionalTestCase {
+
+	@Override
 	public String[] getMappings() {
 		return new String[] { "formulajoin/Root.hbm.xml" };
 	}
 
+	@Override
+	protected void configure(Configuration configuration) {
+		super.configure( configuration );
+		configuration.setProperty( AvailableSettings.JPA_METAMODEL_POPULATION, "enabled" );
+	}
+
 	@Test
 	public void testFormulaJoin() {
 		Session s = openSession();
@@ -50,7 +59,7 @@ public class FormulaJoinTest extends BaseCoreFunctionalTestCase {
 		tx.commit();
 		s.close();
 		
-		if ( getDialect() instanceof PostgreSQLDialect  || getDialect() instanceof PostgreSQL81Dialect ) return;
+		if ( getDialect() instanceof PostgreSQLDialect ) return;
 
 		s = openSession();
 		tx = s.beginTransaction();
@@ -83,10 +92,22 @@ public class FormulaJoinTest extends BaseCoreFunctionalTestCase {
 		tx.commit();
 		s.close();
 
+		s = openSession();
+		tx = s.beginTransaction();
+		l = s.createQuery("from Detail d join fetch d.root").list();
+		assertEquals( l.size(), 2 );
+		tx.commit();
+		s.close();
+
 		s = openSession();
 		tx = s.beginTransaction();
 		l = s.createQuery("from Detail d join fetch d.currentRoot.root m join fetch m.detail").list();
 		assertEquals( l.size(), 2 );
+
+		s = openSession();
+		tx = s.beginTransaction();
+		l = s.createQuery("from Detail d join fetch d.root m join fetch m.detail").list();
+		assertEquals( l.size(), 2 );
 		
 		s.createQuery("delete from Detail").executeUpdate();
 		s.createQuery("delete from Root").executeUpdate();

hibernate-core/src/test/java/org/hibernate/orm/test/formulajoin/Root.hbm.xml

@@ -16,7 +16,7 @@
   
 -->
 
-<hibernate-mapping package="org.hibernate.test.formulajoin">
+<hibernate-mapping package="org.hibernate.orm.test.formulajoin">
 
 	<class name="Root" table="t_roots">
 	

hibernate-core/src/test/java/org/hibernate/orm/test/formulajoin/Root.java

@@ -4,7 +4,7 @@
  * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
  * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
  */
-package org.hibernate.test.formulajoin;
+package org.hibernate.orm.test.formulajoin;
 
 import java.io.Serializable;