HHH-6202 Adding InheritanceType enum

hibernate-core/src/main/java/org/hibernate/metamodel/binding/AttributeBinding.java

@@ -23,15 +23,12 @@
  */
 package org.hibernate.metamodel.binding;
 
-import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
-import org.hibernate.cfg.NamingStrategy;
 import org.hibernate.metamodel.domain.Attribute;
 import org.hibernate.metamodel.domain.MetaAttribute;
 import org.hibernate.metamodel.relational.SimpleValue;
-import org.hibernate.metamodel.relational.Size;
 import org.hibernate.metamodel.relational.TableSpecification;
 import org.hibernate.metamodel.relational.Value;
 
@@ -86,8 +83,9 @@ public interface AttributeBinding {
 	public Iterable<SimpleValue> getValues();
 
 	/**
-	 * @deprecated Use {@link #getValue()}.{@link Value#getTable() getTable()} instead; to be removed on completion of new metamodel code
 	 * @return
+	 *
+	 * @deprecated Use {@link #getValue()}.{@link Value#getTable() getTable()} instead; to be removed on completion of new metamodel code
 	 */
 	@Deprecated
 	public TableSpecification getTable();
@@ -95,19 +93,24 @@ public interface AttributeBinding {
 	public String getPropertyAccessorName();
 
 	/**
-	 *
 	 * @return
 	 */
 	public boolean hasFormula();
 
 	public boolean isAlternateUniqueKey();
+
 	public boolean isNullable();
+
 	public boolean[] getColumnUpdateability();
+
 	public boolean[] getColumnInsertability();
+
 	public boolean isSimpleValue();
+
 	public boolean isLazy();
 
 	public void addEntityReferencingAttributeBinding(EntityReferencingAttributeBinding attributeBinding);
+
 	public Set<EntityReferencingAttributeBinding> getEntityReferencingAttributeBindings();
 
 	public void validate();

hibernate-core/src/main/java/org/hibernate/metamodel/binding/EntityBinding.java

@@ -52,6 +52,7 @@
  */
 public class EntityBinding {
 	private final EntityIdentifier entityIdentifier = new EntityIdentifier( this );
+	private InheritanceType entityInheritanceType;
 	private EntityDiscriminator entityDiscriminator;
 	private SimpleAttributeBinding versionBinding;
 
@@ -214,6 +215,13 @@ public void bindEntityDiscriminator(SimpleAttributeBinding attributeBinding) {
 		baseTable.getPrimaryKey().addColumn( Column.class.cast( attributeBinding.getValue() ) );
 	}
 
+	public void setInheritanceType(InheritanceType entityInheritanceType) {
+		this.entityInheritanceType = entityInheritanceType;
+	}
+
+	public InheritanceType getInheritanceType() {
+		return entityInheritanceType;
+	}
 
 	public SimpleAttributeBinding getVersioningValueBinding() {
 		return versionBinding;

hibernate-core/src/main/java/org/hibernate/metamodel/binding/InheritanceType.java

@@ -0,0 +1,62 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
+ * indicated by the @author tags or express copyright attribution
+ * statements applied by the authors.  All third-party contributions are
+ * distributed under license by Red Hat Middleware LLC.
+ *
+ * This copyrighted material is made available to anyone wishing to use, modify,
+ * copy, or redistribute it subject to the terms and conditions of the GNU
+ * Lesser General Public License, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this distribution; if not, write to:
+ * Free Software Foundation, Inc.
+ * 51 Franklin Street, Fifth Floor
+ * Boston, MA  02110-1301  USA
+ */
+package org.hibernate.metamodel.binding;
+
+import org.hibernate.MappingException;
+
+/**
+ * The inheritance type for a given entity.
+ * <p>
+ * Note, we are not using the JPA enum, because we need the ability to extend the types if we need to.
+ *
+ * @author Hardy Ferentschik
+ */
+public enum InheritanceType {
+	JOINED,
+	SINGLE_TABLE,
+	TABLE_PER_CLASS;
+
+	/**
+	 * @param jpaType The JPA inheritance type
+	 *
+	 * @return The inheritance type of this class.
+	 */
+	public static InheritanceType get(javax.persistence.InheritanceType jpaType) {
+		switch ( jpaType ) {
+			case SINGLE_TABLE: {
+				return InheritanceType.SINGLE_TABLE;
+			}
+			case JOINED: {
+				return InheritanceType.JOINED;
+			}
+			case TABLE_PER_CLASS: {
+				return InheritanceType.TABLE_PER_CLASS;
+			}
+			default: {
+				throw new MappingException( "Unknown jpa inheritance type:" + jpaType.name() );
+			}
+		}
+	}
+}
+

hibernate-core/src/main/java/org/hibernate/metamodel/source/annotations/EntityBinder.java

@@ -39,6 +39,7 @@
 import org.hibernate.internal.util.StringHelper;
 import org.hibernate.metamodel.binding.Caching;
 import org.hibernate.metamodel.binding.EntityBinding;
+import org.hibernate.metamodel.binding.InheritanceType;
 import org.hibernate.metamodel.binding.SimpleAttributeBinding;
 import org.hibernate.metamodel.domain.Entity;
 import org.hibernate.metamodel.domain.Hierarchical;
@@ -69,11 +70,16 @@ public EntityBinder(MetadataImpl metadata, ConfiguredClass configuredClass) {
 
 	public void bind() {
 		EntityBinding entityBinding = new EntityBinding();
+		entityBinding.setInheritanceType( InheritanceType.get( configuredClass.getInheritanceType() ) );
+
 		bindJpaEntityAnnotation( entityBinding );
 		bindHibernateEntityAnnotation( entityBinding ); // optional hibernate specific @org.hibernate.annotations.Entity
+
 		bindWhereFilter( entityBinding );
+
 		bindJpaCaching( entityBinding );
 		bindHibernateCaching( entityBinding );
+
 		schemaName = createSchemaName();
 		bindTable( entityBinding );