HHH-10363 - The Cascade class makes unnecessary calls to the Reflection

API.

(cherry picked from commit 328fa2363a9db91bef0b6aa1b547c55860ec17d9)

hibernate-core/src/main/java/org/hibernate/engine/internal/Cascade.java

@@ -80,12 +80,13 @@ public static void cascade(
 			}
 
 			final Type[] types = persister.getPropertyTypes();
+			final String[] propertyNames = persister.getPropertyNames();
 			final CascadeStyle[] cascadeStyles = persister.getPropertyCascadeStyles();
 			final boolean hasUninitializedLazyProperties = persister.hasUninitializedLazyProperties( parent );
 			final int componentPathStackDepth = 0;
-			for ( int i=0; i<types.length; i++) {
+			for ( int i = 0; i < types.length; i++) {
 				final CascadeStyle style = cascadeStyles[i];
-				final String propertyName = persister.getPropertyNames()[i];
+				final String propertyName = propertyNames[i];
 				if ( hasUninitializedLazyProperties && persister.getPropertyLaziness()[i] && ! action.performOnLazyProperty() ) {
 					//do nothing to avoid a lazy property initialization
 					continue;
@@ -109,9 +110,9 @@ public static void cascade(
 				else if ( action.requiresNoCascadeChecking() ) {
 					action.noCascade(
 							eventSource,
-							persister.getPropertyValue( parent, i ),
 							parent,
 							persister,
+							types[i],
 							i
 					);
 				}
@@ -166,7 +167,6 @@ else if ( type.isComponentType() ) {
 						parent,
 						child,
 						(CompositeType) type,
-						propertyName,
 						anything
 				);
 			}
@@ -263,15 +263,19 @@ private static void cascadeComponent(
 			final Object parent,
 			final Object child,
 			final CompositeType componentType,
-			final String componentPropertyName,
 			final Object anything) {
 
-		final Object[] children = componentType.getPropertyValues( child, eventSource );
+		Object[] children = null;
 		final Type[] types = componentType.getSubtypes();
-		for ( int i=0; i<types.length; i++ ) {
+		final String[] propertyNames = componentType.getPropertyNames();
+		for ( int i = 0; i < types.length; i++ ) {
 			final CascadeStyle componentPropertyStyle = componentType.getCascadeStyle( i );
-			final String subPropertyName = componentType.getPropertyNames()[i];
+			final String subPropertyName = propertyNames[i];
 			if ( componentPropertyStyle.doCascade( action ) ) {
+				if (children == null) {
+					// Get children on demand.
+					children = componentType.getPropertyValues( child, eventSource );
+				}
 				cascadeProperty(
 						action,
 						cascadePoint,

hibernate-core/src/main/java/org/hibernate/engine/spi/CascadingAction.java

@@ -12,6 +12,7 @@
 import org.hibernate.event.spi.EventSource;
 import org.hibernate.persister.entity.EntityPersister;
 import org.hibernate.type.CollectionType;
+import org.hibernate.type.Type;
 
 /**
  * A session action that may be cascaded from parent entity to its children
@@ -32,7 +33,7 @@ public interface CascadingAction {
 	 * @param isCascadeDeleteEnabled Are cascading deletes enabled.
 	 * @throws HibernateException
 	 */
-	public void cascade(
+	void cascade(
 			EventSource session,
 			Object child,
 			String entityName,
@@ -48,7 +49,7 @@ public void cascade(
 	 * @param collection The collection instance.
 	 * @return The children iterator.
 	 */
-	public Iterator getCascadableChildrenIterator(
+	Iterator getCascadableChildrenIterator(
 			EventSource session,
 			CollectionType collectionType,
 			Object collection);
@@ -58,7 +59,7 @@ public Iterator getCascadableChildrenIterator(
 	 *
 	 * @return True if this action can lead to deletions of orphans.
 	 */
-	public boolean deleteOrphans();
+	boolean deleteOrphans();
 
 
 	/**
@@ -66,22 +67,22 @@ public Iterator getCascadableChildrenIterator(
 	 *
 	 * @return True if this action requires no-cascade verification; false otherwise.
 	 */
-	public boolean requiresNoCascadeChecking();
+	boolean requiresNoCascadeChecking();
 
 	/**
 	 * Called (in the case of {@link #requiresNoCascadeChecking} returning true) to validate
 	 * that no cascade on the given property is considered a valid semantic.
 	 *
 	 * @param session The session witin which the cascade is occurring.
-	 * @param child The property value
 	 * @param parent The property value owner
 	 * @param persister The entity persister for the owner
+	 * @param propertyType The property type
 	 * @param propertyIndex The index of the property within the owner.
 	 */
-	public void noCascade(EventSource session, Object child, Object parent, EntityPersister persister, int propertyIndex);
+	void noCascade(EventSource session, Object parent, EntityPersister persister, Type propertyType, int propertyIndex);
 
 	/**
 	 * Should this action be performed (or noCascade consulted) in the case of lazy properties.
 	 */
-	public boolean performOnLazyProperty();
+	boolean performOnLazyProperty();
 }

hibernate-core/src/main/java/org/hibernate/engine/spi/CascadingActions.java

@@ -362,18 +362,16 @@ public boolean requiresNoCascadeChecking() {
 		@Override
 		public void noCascade(
 				EventSource session,
-				Object child,
 				Object parent,
 				EntityPersister persister,
+				Type propertyType,
 				int propertyIndex) {
-			if ( child == null ) {
-				return;
-			}
-			Type type = persister.getPropertyTypes()[propertyIndex];
-			if ( type.isEntityType() ) {
-				String childEntityName = ((EntityType) type).getAssociatedEntityName( session.getFactory() );
+			if ( propertyType.isEntityType() ) {
+				Object child = persister.getPropertyValue( parent, propertyIndex );
+				String childEntityName = ((EntityType) propertyType).getAssociatedEntityName( session.getFactory() );
 
-				if ( !isInManagedState( child, session )
+				if ( child != null
+						&& !isInManagedState( child, session )
 						&& !(child instanceof HibernateProxy) //a proxy cannot be transient and it breaks ForeignKeys.isTransient
 						&& ForeignKeys.isTransient( childEntityName, child, null, session ) ) {
 					String parentEntiytName = persister.getEntityName();
@@ -453,7 +451,7 @@ public boolean requiresNoCascadeChecking() {
 		}
 
 		@Override
-		public void noCascade(EventSource session, Object child, Object parent, EntityPersister persister, int propertyIndex) {
+		public void noCascade(EventSource session, Object parent, EntityPersister persister, Type propertyType, int propertyIndex) {
 		}
 
 		@Override