private void BindKey(JoinedSubclass subclass, HbmKey keyMapping, Table mytable)
		{
			// TODO : property-ref ?? 
			SimpleValue key = new DependantValue(mytable, subclass.Identifier);
			subclass.Key = key;
			key.IsCascadeDeleteEnabled = keyMapping.ondelete == HbmOndelete.Cascade;
			key.ForeignKeyName = keyMapping.foreignkey;

			new ValuePropertyBinder(key, Mappings).BindSimpleValue(keyMapping, subclass.EntityName, false);
		}
		public void HandleJoinedSubclass(PersistentClass model, XmlNode subnode, IDictionary<string, MetaAttribute> inheritedMetas)
		{
			JoinedSubclass subclass = new JoinedSubclass(model);

			BindClass(subnode, null, subclass, inheritedMetas);
			inheritedMetas = GetMetas(subnode.SelectNodes(HbmConstants.nsMeta, namespaceManager), inheritedMetas, true); // get meta's from <joined-subclass>
			// joined subclass
			if (subclass.EntityPersisterClass == null)
				subclass.RootClazz.EntityPersisterClass = typeof(JoinedSubclassEntityPersister);

			//table + schema names
			XmlAttribute schemaNode = subnode.Attributes["schema"];
			string schema = schemaNode == null ? mappings.SchemaName : schemaNode.Value;
			XmlAttribute catalogNode = subnode.Attributes["catalog"];
			string catalog = catalogNode == null ? mappings.CatalogName : catalogNode.Value;

			XmlAttribute actionNode = subnode.Attributes["schema-action"];
			string action = actionNode == null ? "all" : actionNode.Value;
            
			Table mytable = mappings.AddTable(schema, catalog, GetClassTableName(subclass, subnode), null, false, action);
			((ITableOwner)subclass).Table = mytable;

			log.InfoFormat("Mapping joined-subclass: {0} -> {1}", subclass.EntityName, subclass.Table.Name);

			// KEY
			XmlNode keyNode = subnode.SelectSingleNode(HbmConstants.nsKey, namespaceManager);
			SimpleValue key = new DependantValue(mytable, subclass.Identifier);
			subclass.Key = key;
			if (keyNode.Attributes["on-delete"] != null)
				key.IsCascadeDeleteEnabled = "cascade".Equals(keyNode.Attributes["on-delete"].Value);
			BindSimpleValue(keyNode, key, false, subclass.EntityName);

			subclass.CreatePrimaryKey(dialect);

			if (!subclass.IsJoinedSubclass)
				throw new MappingException(
					"Cannot map joined-subclass " + subclass.EntityName + " to table " +
						subclass.Table.Name + ", the same table as its base class.");

			subclass.CreateForeignKey();

			// CHECK
			XmlAttribute chNode = subnode.Attributes["check"];
			if (chNode != null)
				mytable.AddCheckConstraint(chNode.Value);

			// properties
			PropertiesFromXML(subnode, subclass, inheritedMetas);

			model.AddSubclass(subclass);
			mappings.AddClass(subclass);
		}
		public void HandleJoinedSubclass(PersistentClass model, HbmJoinedSubclass joinedSubclassMapping, IDictionary<string, MetaAttribute> inheritedMetas)
		{
			var subclass = new JoinedSubclass(model);

			BindClass(joinedSubclassMapping, subclass, inheritedMetas);
			inheritedMetas = GetMetas(joinedSubclassMapping, inheritedMetas, true); // get meta's from <joined-subclass>

			// joined subclass
			if (subclass.EntityPersisterClass == null)
				subclass.RootClazz.EntityPersisterClass = typeof(JoinedSubclassEntityPersister);

			//table + schema names
			string schema = joinedSubclassMapping.schema ?? mappings.SchemaName;
			string catalog = joinedSubclassMapping.catalog ?? mappings.CatalogName;

			// TODO: very strange, the schema does not support it
			//XmlAttribute actionNode = subnode.Attributes["schema-action"];
			//string action = actionNode == null ? "all" : actionNode.Value;
			string action = "all";

			Table mytable = mappings.AddTable(schema, catalog, GetClassTableName(subclass, joinedSubclassMapping.table), null, false, action);
			((ITableOwner)subclass).Table = mytable;

			log.InfoFormat("Mapping joined-subclass: {0} -> {1}", subclass.EntityName, subclass.Table.Name);

			// KEY
			BindKey(subclass, joinedSubclassMapping.key, mytable);

			subclass.CreatePrimaryKey(dialect);

			if (!subclass.IsJoinedSubclass)
				throw new MappingException(
					"Cannot map joined-subclass " + subclass.EntityName + " to table " +
						subclass.Table.Name + ", the same table as its base class.");

			subclass.CreateForeignKey();
			// CHECK
			mytable.AddCheckConstraint(joinedSubclassMapping.check);

			// properties
			new PropertiesBinder(mappings, subclass, dialect).Bind(joinedSubclassMapping.Properties, inheritedMetas);

			BindJoinedSubclasses(joinedSubclassMapping.JoinedSubclasses, subclass, inheritedMetas);

			model.AddSubclass(subclass);
			mappings.AddClass(subclass);
		}
		public CreateKeySecondPass(JoinedSubclass joinedSubClass)
		{
			this.joinedSubClass = joinedSubClass;
		}