HHH-6447 - Develop shared binding creation approach

hibernate-core/src/main/java/org/hibernate/metamodel/source/binder/AssociationAttributeSource.java

@@ -0,0 +1,40 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * Copyright (c) 2011, Red Hat Inc. 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 Inc.
+ *
+ * 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.source.binder;
+
+import org.hibernate.engine.spi.CascadeStyle;
+
+/**
+ * Contract describing sources for attributes which model associations.
+ *
+ * @author Steve Ebersole
+ */
+public interface AssociationAttributeSource extends AttributeSource {
+	/**
+	 * Obtain the cascade styles to be applied to this association.
+	 *
+	 * @return The cascade styles.
+	 */
+	public Iterable<CascadeStyle> getCascadeStyle();
+}

hibernate-core/src/main/java/org/hibernate/metamodel/source/binder/SingularAttributeSource.java

@@ -100,6 +100,4 @@ public interface SingularAttributeSource extends AttributeSource, RelationalValu
 	 * @return {@code true} indicates it should be included; {@code false}, it should not.
 	 */
 	public boolean isIncludedInOptimisticLocking();
-
-	public Iterable<CascadeStyle> getCascadeStyle();
 }

hibernate-core/src/main/java/org/hibernate/metamodel/source/binder/ToOneAttributeSource.java

@@ -28,7 +28,7 @@ package org.hibernate.metamodel.source.binder;
  *
  * @author Steve Ebersole
  */
-public interface ToOneAttributeSource extends SingularAttributeSource {
+public interface ToOneAttributeSource extends SingularAttributeSource, AssociationAttributeSource {
 	/**
 	 * Obtain the name of the referenced entity.
 	 *

hibernate-core/src/main/java/org/hibernate/metamodel/source/hbm/Helper.java

@@ -62,15 +62,16 @@ import org.hibernate.service.classloading.spi.ClassLoadingException;
  */
 public class Helper {
 	static final Iterable<CascadeStyle> NO_CASCADING = Collections.singleton( CascadeStyle.NONE );
+
 	public static final ExplicitHibernateTypeSource TO_ONE_ATTRIBUTE_TYPE_SOURCE = new ExplicitHibernateTypeSource() {
 		@Override
 		public String getName() {
-			return null;  //To change body of implemented methods use File | Settings | File Templates.
+			return null;
 		}
 
 		@Override
 		public Map<String, String> getParameters() {
-			return null;  //To change body of implemented methods use File | Settings | File Templates.
+			return null;
 		}
 	};
 

hibernate-core/src/main/java/org/hibernate/metamodel/source/hbm/PropertyAttributeSourceImpl.java

@@ -129,11 +129,6 @@ class PropertyAttributeSourceImpl implements SingularAttributeSource {
 		return Helper.getBooleanValue( propertyElement.isOptimisticLock(), true );
 	}
 
-	@Override
-	public Iterable<CascadeStyle> getCascadeStyle() {
-		return Helper.NO_CASCADING;
-	}
-
 	@Override
 	public SingularAttributeNature getNature() {
 		return SingularAttributeNature.BASIC;

hibernate-core/src/main/java/org/hibernate/metamodel/source/hbm/SingularIdentifierAttributeSourceImpl.java

@@ -133,11 +133,6 @@ class SingularIdentifierAttributeSourceImpl implements SingularAttributeSource {
 		return false;
 	}
 
-	@Override
-	public Iterable<CascadeStyle> getCascadeStyle() {
-		return Helper.NO_CASCADING;
-	}
-
 	@Override
 	public SingularAttributeNature getNature() {
 		return SingularAttributeNature.BASIC;

hibernate-core/src/main/java/org/hibernate/metamodel/source/hbm/TimestampAttributeSourceImpl.java

@@ -144,11 +144,6 @@ class TimestampAttributeSourceImpl implements SingularAttributeSource {
 		return false;
 	}
 
-	@Override
-	public Iterable<CascadeStyle> getCascadeStyle() {
-		return Helper.NO_CASCADING;
-	}
-
 	@Override
 	public SingularAttributeNature getNature() {
 		return SingularAttributeNature.BASIC;

hibernate-core/src/main/java/org/hibernate/metamodel/source/hbm/VersionAttributeSourceImpl.java

@@ -144,11 +144,6 @@ class VersionAttributeSourceImpl implements SingularAttributeSource {
 		return false;
 	}
 
-	@Override
-	public Iterable<CascadeStyle> getCascadeStyle() {
-		return Helper.NO_CASCADING;
-	}
-
 	@Override
 	public SingularAttributeNature getNature() {
 		return SingularAttributeNature.BASIC;