Merge branch 'feature/dtype-5036' into next

Fixes #5036

components/checker/checkercomponent.cpp

@@ -28,7 +28,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(CheckerComponent);
 REGISTER_TYPE(CheckerComponent);
 
 void CheckerComponent::Start(void)

components/cluster/clusterlistener.cpp

@@ -34,7 +34,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(ClusterListener);
 REGISTER_TYPE(ClusterListener);
 
 /**

components/cluster/endpoint.cpp

@@ -28,7 +28,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(Endpoint);
 REGISTER_TYPE(Endpoint);
 
 boost::signals2::signal<void (const Endpoint::Ptr&)> Endpoint::OnConnected;

components/compat/checkresultreader.cpp

@@ -30,7 +30,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(CheckResultReader);
 REGISTER_TYPE(CheckResultReader);
 
 /**

components/compat/compatlogger.cpp

@@ -39,7 +39,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(CompatLogger);
 REGISTER_TYPE(CompatLogger);
 REGISTER_SCRIPTFUNCTION(ValidateRotationMethod, &CompatLogger::ValidateRotationMethod);
 

components/compat/externalcommandlistener.cpp

@@ -27,7 +27,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(ExternalCommandListener);
 REGISTER_TYPE(ExternalCommandListener);
 
 /**

components/compat/statusdatawriter.cpp

@@ -41,7 +41,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(StatusDataWriter);
 REGISTER_TYPE(StatusDataWriter);
 
 /**

components/db_ido_mysql/idomysqlconnection.cpp

@@ -33,7 +33,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(IdoMysqlConnection);
 REGISTER_TYPE(IdoMysqlConnection);
 
 #define SCHEMA_VERSION "1.10.0"

components/db_ido_pgsql/idopgsqlconnection.cpp

@@ -33,7 +33,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(IdoPgsqlConnection);
 REGISTER_TYPE(IdoPgsqlConnection);
 
 #define SCHEMA_VERSION "1.10.0"

components/demo/demo.cpp

@@ -23,7 +23,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(Demo);
 REGISTER_TYPE(Demo);
 
 /**

components/livestatus/listener.cpp

@@ -34,7 +34,6 @@
 using namespace icinga;
 using namespace livestatus;
 
-REGISTER_NTYPE(LivestatusListener);
 REGISTER_TYPE(LivestatusListener);
 REGISTER_SCRIPTFUNCTION(ValidateSocketType, &LivestatusListener::ValidateSocketType);
 

components/notification/notificationcomponent.cpp

@@ -28,7 +28,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(NotificationComponent);
 REGISTER_TYPE(NotificationComponent);
 
 /**

components/perfdata/graphitewriter.cpp

@@ -42,7 +42,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(GraphiteWriter);
 REGISTER_TYPE(GraphiteWriter);
 
 void GraphiteWriter::Start(void)

components/perfdata/perfdatawriter.cpp

@@ -30,7 +30,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(PerfdataWriter);
 REGISTER_TYPE(PerfdataWriter);
 
 void PerfdataWriter::Start(void)

lib/base/application.cpp

@@ -43,7 +43,7 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(Application);
+REGISTER_TYPE(Application);
 
 Application *Application::m_Instance = NULL;
 bool Application::m_ShuttingDown = false;

lib/base/consolelogger.cpp

@@ -23,7 +23,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(ConsoleLogger);
 REGISTER_TYPE(ConsoleLogger);
 
 /**

lib/base/dynamicobject.cpp

@@ -37,7 +37,7 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(DynamicObject);
+REGISTER_TYPE(DynamicObject);
 
 boost::signals2::signal<void (const DynamicObject::Ptr&)> DynamicObject::OnStarted;
 boost::signals2::signal<void (const DynamicObject::Ptr&)> DynamicObject::OnStopped;

lib/base/dynamictype.cpp

@@ -24,8 +24,8 @@
 
 using namespace icinga;
 
-DynamicType::DynamicType(const String& name, const DynamicType::ObjectFactory& factory)
-	: m_Name(name), m_ObjectFactory(factory)
+DynamicType::DynamicType(const String& name)
+	: m_Name(name)
 { }
 
 DynamicType::Ptr DynamicType::GetByName(const String& name)
@@ -34,8 +34,20 @@ DynamicType::Ptr DynamicType::GetByName(const String& name)
 
 	DynamicType::TypeMap::const_iterator tt = InternalGetTypeMap().find(name);
 
-	if (tt == InternalGetTypeMap().end())
-		return DynamicType::Ptr();
+	if (tt == InternalGetTypeMap().end()) {
+		const Type *type = Type::GetByName(name);
+
+		if (!type || !Type::GetByName("DynamicObject")->IsAssignableFrom(type)
+		    || type->IsAbstract())
+			return DynamicType::Ptr();
+
+		DynamicType::Ptr dtype = make_shared<DynamicType>(name);
+
+		InternalGetTypeMap()[type->GetName()] = dtype;
+		InternalGetTypeVector().push_back(dtype);
+
+		return dtype;
+	}
 
 	return tt->second;
 }
@@ -112,36 +124,17 @@ DynamicObject::Ptr DynamicType::GetObject(const String& name) const
 	return nt->second;
 }
 
-void DynamicType::RegisterType(const DynamicType::Ptr& type)
-{
-	boost::mutex::scoped_lock lock(GetStaticMutex());
-
-	DynamicType::TypeMap::const_iterator tt = InternalGetTypeMap().find(type->GetName());
-
-	if (tt != InternalGetTypeMap().end())
-		BOOST_THROW_EXCEPTION(std::runtime_error("Cannot register class for type '" +
-		    type->GetName() + "': Objects of this type already exist."));
-
-	InternalGetTypeMap()[type->GetName()] = type;
-	InternalGetTypeVector().push_back(type);
-}
-
 DynamicObject::Ptr DynamicType::CreateObject(const Dictionary::Ptr& serializedUpdate)
 {
 	ASSERT(!OwnsLock());
 
-	ObjectFactory factory;
+	const Type *type = Type::GetByName(m_Name);
 
-	{
-		ObjectLock olock(this);
-		factory = m_ObjectFactory;
-	}
-
-	DynamicObject::Ptr object = factory();
+	Object::Ptr object = type->Instantiate();
 
 	Deserialize(object, serializedUpdate, FAConfig);
 
-	return object;
+	return dynamic_pointer_cast<DynamicObject>(object);
 }
 
 boost::mutex& DynamicType::GetStaticMutex(void)

lib/base/dynamictype.h

@@ -36,16 +36,12 @@ class I2_BASE_API DynamicType : public Object
 public:
 	DECLARE_PTR_TYPEDEFS(DynamicType);
 
-	typedef boost::function<DynamicObject::Ptr (void)> ObjectFactory;
-
-	DynamicType(const String& name, const ObjectFactory& factory);
+	DynamicType(const String& name);
 
 	String GetName(void) const;
 
 	static DynamicType::Ptr GetByName(const String& name);
 
-	static void RegisterType(const DynamicType::Ptr& type);
-
 	DynamicObject::Ptr CreateObject(const Dictionary::Ptr& serializedUpdate);
 	DynamicObject::Ptr GetObject(const String& name) const;
 
@@ -72,7 +68,6 @@ public:
 
 private:
 	String m_Name;
-	ObjectFactory m_ObjectFactory;
 
 	typedef std::map<String, DynamicObject::Ptr, string_iless> ObjectMap;
 	typedef std::vector<DynamicObject::Ptr> ObjectVector;
@@ -90,46 +85,6 @@ private:
 	static std::vector<DynamicObject::Ptr> GetObjects(const String& type);
 };
 
-/**
- * A registry for DynamicType objects.
- *
- * @ingroup base
- */
-class DynamicTypeRegistry : public Registry<DynamicTypeRegistry, DynamicType::Ptr>
-{ };
-
-/**
- * Helper class for registering DynamicObject implementation classes.
- *
- * @ingroup base
- */
-class RegisterTypeHelper
-{
-public:
-	RegisterTypeHelper(const String& name, const DynamicType::ObjectFactory& factory)
-	{
-		DynamicType::Ptr type = make_shared<DynamicType>(name, factory);
-		DynamicType::RegisterType(type);
-	}
-};
-
-/**
- * Factory function for DynamicObject-based classes.
- *
- * @ingroup base
- */
-template<typename T>
-shared_ptr<T> DynamicObjectFactory(void)
-{
-	return make_shared<T>();
-}
-
-#define REGISTER_TYPE_ALIAS(type, alias) \
-	I2_EXPORT icinga::RegisterTypeHelper g_RegisterDT_ ## type(alias, DynamicObjectFactory<type>);
-
-#define REGISTER_TYPE(type) \
-	REGISTER_TYPE_ALIAS(type, #type)
-
 }
 
 #endif /* DYNAMICTYPE_H */

lib/base/filelogger.cpp

@@ -23,7 +23,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(FileLogger);
 REGISTER_TYPE(FileLogger);
 
 /**

lib/base/initialize.h

@@ -34,8 +34,10 @@ inline bool InitializeOnceHelper(InitializeFunc func)
 	return true;
 }
 
-#define INITIALIZE_ONCE(name, func) \
-	I2_EXPORT bool l_InitializeOnce ## name(InitializeOnceHelper(func))
+#define INITIALIZE_ONCE(func) \
+	namespace { \
+		I2_EXPORT bool l_InitializeOnce(InitializeOnceHelper(func)); \
+	}
 
 }
 

lib/base/logger.cpp

@@ -29,7 +29,7 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(Logger);
+REGISTER_TYPE(Logger);
 
 std::set<Logger::Ptr> Logger::m_Loggers;
 boost::mutex Logger::m_Mutex;

lib/base/script.cpp

@@ -26,7 +26,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(Script);
 REGISTER_TYPE(Script);
 
 void Script::Start(void)

lib/base/streamlogger.cpp

@@ -26,7 +26,7 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(StreamLogger);
+REGISTER_TYPE(StreamLogger);
 
 boost::mutex StreamLogger::m_Mutex;
 

lib/base/sysloglogger.cpp

@@ -23,7 +23,6 @@
 #ifndef _WIN32
 using namespace icinga;
 
-REGISTER_NTYPE(SyslogLogger);
 REGISTER_TYPE(SyslogLogger);
 
 /**

lib/base/type.cpp

@@ -54,9 +54,10 @@ Object::Ptr Type::Instantiate(void) const
 
 bool Type::IsAssignableFrom(const Type *other) const
 {
-	for (const Type *t = other; t; t = t->GetBaseType())
+	for (const Type *t = other; t; t = t->GetBaseType()) {
 		if (t == this)
 			return true;
+	}
 
 	return false;
 }

lib/base/type.h

@@ -74,12 +74,6 @@ class TypeImpl
 {
 };
 
-template<typename T>
-Type *GetType(void)
-{
-	return TypeImpl<T>::GetInstance();
-}
-
 template<typename T>
 shared_ptr<T> ObjectFactory(void)
 {
@@ -95,16 +89,16 @@ struct FactoryHelper
 	}
 };
 
-#define REGISTER_NTYPE(type) \
+#define REGISTER_TYPE(type) \
 	namespace { \
 		void RegisterType(void) \
 		{ \
-			icinga::Type *t = icinga::GetType<type>(); \
+			icinga::Type *t = new TypeImpl<type>(); \
 			t->SetFactory(FactoryHelper<type>().GetFactory()); \
-			icinga::Type::Register(GetType<type>()); \
+			icinga::Type::Register(t); \
 		} \
 		\
-		INITIALIZE_ONCE(type, RegisterType); \
+		INITIALIZE_ONCE(RegisterType); \
 	}
 
 }

lib/base/value.cpp

@@ -198,6 +198,19 @@ ValueType Value::GetType(void) const
 	return static_cast<ValueType>(m_Value.which());
 }
 
+bool Value::operator==(bool rhs)
+{
+	if (!IsScalar())
+		return false;
+
+	return static_cast<double>(*this) == rhs;
+}
+
+bool Value::operator!=(bool rhs)
+{
+	return !(*this == rhs);
+}
+
 bool Value::operator==(int rhs)
 {
 	if (!IsScalar())

lib/base/value.h

@@ -73,6 +73,9 @@ public:
 	operator double(void) const;
 	operator String(void) const;
 
+	bool operator==(bool rhs);
+	bool operator!=(bool rhs);
+
 	bool operator==(int rhs);
 	bool operator!=(int rhs);
 

lib/db_ido/dbconnection.cpp

@@ -31,11 +31,11 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(DbConnection);
+REGISTER_TYPE(DbConnection);
 
 Timer::Ptr DbConnection::m_ProgramStatusTimer;
 
-INITIALIZE_ONCE(DbConnection, &DbConnection::StaticInitialize);
+INITIALIZE_ONCE(&DbConnection::StaticInitialize);
 
 void DbConnection::Start(void)
 {

lib/db_ido/dbobject.cpp

@@ -32,7 +32,7 @@ using namespace icinga;
 
 boost::signals2::signal<void (const DbQuery&)> DbObject::OnQuery;
 
-INITIALIZE_ONCE(DbObject, &DbObject::StaticInitialize);
+INITIALIZE_ONCE(&DbObject::StaticInitialize);
 
 DbObject::DbObject(const shared_ptr<DbType>& type, const String& name1, const String& name2)
 	: m_Name1(name1), m_Name2(name2), m_Type(type), m_LastConfigUpdate(0), m_LastStatusUpdate(0)

lib/db_ido/servicedbobject.cpp

@@ -38,7 +38,7 @@ using namespace icinga;
 
 REGISTER_DBTYPE(Service, "service", DbObjectTypeService, "service_object_id", ServiceDbObject);
 
-INITIALIZE_ONCE(ServiceDbObject, &ServiceDbObject::StaticInitialize);
+INITIALIZE_ONCE(&ServiceDbObject::StaticInitialize);
 
 void ServiceDbObject::StaticInitialize(void)
 {

lib/hello/hello.cpp

@@ -23,7 +23,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(Hello);
 REGISTER_TYPE(Hello);
 
 /**

lib/icinga/checkcommand.cpp

@@ -22,7 +22,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(CheckCommand);
 REGISTER_TYPE(CheckCommand);
 
 Dictionary::Ptr CheckCommand::Execute(const Service::Ptr& service)

lib/icinga/command.cpp

@@ -21,7 +21,7 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(Command);
+REGISTER_TYPE(Command);
 
 bool Command::ResolveMacro(const String& macro, const Dictionary::Ptr&, String *result) const
 {

lib/icinga/domain.cpp

@@ -22,7 +22,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(Domain);
 REGISTER_TYPE(Domain);
 
 int Domain::GetPrivileges(const String& instance) const

lib/icinga/eventcommand.cpp

@@ -22,7 +22,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(EventCommand);
 REGISTER_TYPE(EventCommand);
 
 void EventCommand::Execute(const Service::Ptr& service)

lib/icinga/host.cpp

@@ -38,7 +38,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(Host);
 REGISTER_TYPE(Host);
 
 void Host::Start(void)

lib/icinga/hostgroup.cpp

@@ -27,7 +27,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(HostGroup);
 REGISTER_TYPE(HostGroup);
 
 std::set<Host::Ptr> HostGroup::GetMembers(void) const

lib/icinga/icingaapplication.cpp

@@ -32,9 +32,8 @@ using namespace icinga;
 
 static Timer::Ptr l_RetentionTimer;
 
-REGISTER_NTYPE(IcingaApplication);
 REGISTER_TYPE(IcingaApplication);
-INITIALIZE_ONCE(IcingaApplication, &IcingaApplication::StaticInitialize);
+INITIALIZE_ONCE(&IcingaApplication::StaticInitialize);
 
 void IcingaApplication::StaticInitialize(void)
 {

lib/icinga/notification.cpp

@@ -32,7 +32,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(Notification);
 REGISTER_TYPE(Notification);
 
 boost::signals2::signal<void (const Notification::Ptr&, double, const String&)> Notification::OnNextNotificationChanged;

lib/icinga/notificationcommand.cpp

@@ -22,7 +22,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(NotificationCommand);
 REGISTER_TYPE(NotificationCommand);
 
 Dictionary::Ptr NotificationCommand::Execute(const Notification::Ptr& notification,

lib/icinga/perfdatavalue.cpp

@@ -1,3 +1,22 @@
+/******************************************************************************
+ * Icinga 2                                                                   *
+ * Copyright (C) 2012-2013 Icinga Development Team (http://www.icinga.org/)   *
+ *                                                                            *
+ * This program is free software; you can redistribute it and/or              *
+ * modify it under the terms of the GNU General Public License                *
+ * as published by the Free Software Foundation; either version 2             *
+ * of the License, or (at your option) any later version.                     *
+ *                                                                            *
+ * 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 General Public License for more details.                               *
+ *                                                                            *
+ * You should have received a copy of the GNU General Public License          *
+ * along with this program; if not, write to the Free Software Foundation     *
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
+ ******************************************************************************/
+
 #include "icinga/perfdatavalue.h"
 #include "base/convert.h"
 #include <boost/algorithm/string/case_conv.hpp>
@@ -6,7 +25,7 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(PerfdataValue);
+REGISTER_TYPE(PerfdataValue);
 
 PerfdataValue::PerfdataValue(void)
 { }

lib/icinga/perfdatavalue.h

@@ -1,3 +1,22 @@
+/******************************************************************************
+ * Icinga 2                                                                   *
+ * Copyright (C) 2012-2013 Icinga Development Team (http://www.icinga.org/)   *
+ *                                                                            *
+ * This program is free software; you can redistribute it and/or              *
+ * modify it under the terms of the GNU General Public License                *
+ * as published by the Free Software Foundation; either version 2             *
+ * of the License, or (at your option) any later version.                     *
+ *                                                                            *
+ * 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 General Public License for more details.                               *
+ *                                                                            *
+ * You should have received a copy of the GNU General Public License          *
+ * along with this program; if not, write to the Free Software Foundation     *
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
+ ******************************************************************************/
+
 #ifndef PERFDATAVALUE_H
 #define PERFDATAVALUE_H
 

lib/icinga/service.cpp

@@ -33,7 +33,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(Service);
 REGISTER_TYPE(Service);
 
 boost::signals2::signal<void (const Service::Ptr&, const String&, const String&, AcknowledgementType, double, const String&)> Service::OnAcknowledgementSet;

lib/icinga/servicegroup.cpp

@@ -28,7 +28,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(ServiceGroup);
 REGISTER_TYPE(ServiceGroup);
 
 std::set<Service::Ptr> ServiceGroup::GetMembers(void) const

lib/icinga/timeperiod.cpp

@@ -29,7 +29,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(TimePeriod);
 REGISTER_TYPE(TimePeriod);
 REGISTER_SCRIPTFUNCTION(EmptyTimePeriod, &TimePeriod::EmptyTimePeriodUpdate);
 REGISTER_SCRIPTFUNCTION(EvenMinutesTimePeriod, &TimePeriod::EvenMinutesTimePeriodUpdate);

lib/icinga/user.cpp

@@ -25,7 +25,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(User);
 REGISTER_TYPE(User);
 
 void User::OnConfigLoaded(void)

lib/icinga/usergroup.cpp

@@ -27,7 +27,6 @@
 
 using namespace icinga;
 
-REGISTER_NTYPE(UserGroup);
 REGISTER_TYPE(UserGroup);
 
 std::set<User::Ptr> UserGroup::GetMembers(void) const

test/CMakeLists.txt

@@ -47,6 +47,10 @@ add_boost_test(base
         base_object/construct
         base_object/getself
         base_object/weak
+        base_serialize/scalar
+        base_serialize/array
+        base_serialize/dictionary
+        base_serialize/object
         base_shellescape/escape_basic
         base_shellescape/escape_quoted
         base_stacktrace/stacktrace

test/base-convert.cpp

@@ -43,11 +43,8 @@ BOOST_AUTO_TEST_CASE(todouble)
 BOOST_AUTO_TEST_CASE(tostring)
 {
 	BOOST_CHECK(Convert::ToString(7) == "7");
-	BOOST_CHECK(Convert::ToString(7.3) == "7.3");
+	BOOST_CHECK(Convert::ToString(7.5) == "7.5");
 	BOOST_CHECK(Convert::ToString("hello") == "hello");
-
-	Object::Ptr object = make_shared<Object>();
-	BOOST_CHECK(Convert::ToString(object) == "Object of type 'icinga::Object'");
 }
 
 BOOST_AUTO_TEST_CASE(tobool)

test/base-type.cpp

@@ -32,15 +32,15 @@ BOOST_AUTO_TEST_SUITE(base_type)
 
 BOOST_AUTO_TEST_CASE(gettype)
 {
-	const Type *t = GetType<Application>();
+	const Type *t = Type::GetByName("Application");
 
 	BOOST_CHECK(t);
 }
 
 BOOST_AUTO_TEST_CASE(assign)
 {
-	const Type *t1 = GetType<Application>();
-	const Type *t2 = GetType<DynamicObject>();
+	const Type *t1 = Type::GetByName("Application");
+	const Type *t2 = Type::GetByName("DynamicObject");
 
 	BOOST_CHECK(t1->IsAssignableFrom(t1));
 	BOOST_CHECK(t2->IsAssignableFrom(t1));

tools/mkclass/classcompiler.cpp

@@ -88,7 +88,7 @@ void ClassCompiler::HandleClass(const Klass& klass, const ClassDebugInfo& locp)
 	/* TypeImpl */
 	std::cout << "template<>" << std::endl
 		<< "class TypeImpl<" << klass.Name << ">"
-		<< " : public Type, public Singleton<TypeImpl<" << klass.Name << "> >" << std::endl
+		<< " : public Type" << std::endl
 		<< "{" << std::endl
 		<< "public:" << std::endl;
 
@@ -111,7 +111,7 @@ void ClassCompiler::HandleClass(const Klass& klass, const ClassDebugInfo& locp)
 	std::cout << "\t\t" << "return ";
 
 	if (!klass.Parent.empty())
-		std::cout << "Singleton<TypeImpl<" << klass.Parent << "> >::GetInstance()";
+		std::cout << "Type::GetByName(\"" << klass.Parent << "\")";
 	else
 		std::cout << "NULL";
 
@@ -168,25 +168,31 @@ void ClassCompiler::HandleClass(const Klass& klass, const ClassDebugInfo& locp)
 		std::cout << "\t\t" << "int real_id = id - " << "TypeImpl<" << klass.Parent << ">::StaticGetFieldCount();" << std::endl
 		<< "\t\t" << "if (real_id < 0) { return " << "TypeImpl<" << klass.Parent << ">::StaticGetFieldInfo(id); }" << std::endl;
 
-	std::cout << "\t\t" << "switch (";
+	if (klass.Fields.size() > 0) {
+		std::cout << "\t\t" << "switch (";
 
-	if (!klass.Parent.empty())
-		std::cout << "real_id";
-	else
-		std::cout << "id";
+		if (!klass.Parent.empty())
+			std::cout << "real_id";
+		else
+			std::cout << "id";
 
-	std::cout << ") {" << std::endl;
+		std::cout << ") {" << std::endl;
 
-	num = 0;
-	for (it = klass.Fields.begin(); it != klass.Fields.end(); it++) {
-		std::cout << "\t\t\t" << "case " << num << ":" << std::endl
-			<< "\t\t\t\t" << "return Field(" << num << ", \"" << it->Name << "\", " << it->Attributes << ");" << std::endl;
-		num++;
+		num = 0;
+		for (it = klass.Fields.begin(); it != klass.Fields.end(); it++) {
+			std::cout << "\t\t\t" << "case " << num << ":" << std::endl
+				<< "\t\t\t\t" << "return Field(" << num << ", \"" << it->Name << "\", " << it->Attributes << ");" << std::endl;
+			num++;
+		}
+
+		std::cout << "\t\t\t" << "default:" << std::endl
+				  << "\t\t";
 	}
 
-	std::cout << "\t\t\t" << "default:" << std::endl
-		<< "\t\t\t\t" << "throw std::runtime_error(\"Invalid field ID.\");" << std::endl
-		<< "\t\t" << "}" << std::endl;
+	std::cout << "\t\t" << "throw std::runtime_error(\"Invalid field ID.\");" << std::endl;
+
+	if (klass.Fields.size() > 0)
+		std::cout << "\t\t" << "}" << std::endl;
 
 	std::cout << "\t" << "}" << std::endl << std::endl;
 
@@ -220,7 +226,7 @@ void ClassCompiler::HandleClass(const Klass& klass, const ClassDebugInfo& locp)
 	/* GetReflectionType */
 	std::cout << "\t" << "virtual const Type *GetReflectionType(void) const" << std::endl
 			  << "\t" << "{" << std::endl
-			  << "\t\t" << "return TypeImpl<" << klass.Name << ">::GetInstance();" << std::endl
+			  << "\t\t" << "return Type::GetByName(\"" << klass.Name << "\");" << std::endl
 			  << "\t" << "}" << std::endl << std::endl;
 
 	if (!klass.Fields.empty()) {
@@ -408,7 +414,6 @@ void ClassCompiler::CompileStream(const std::string& path, std::istream *stream)
 
 	std::cout << "#include \"base/object.h\"" << std::endl
 			  << "#include \"base/type.h\"" << std::endl
-			  << "#include \"base/singleton.h\"" << std::endl
 			  << "#include \"base/debug.h\"" << std::endl
 			  << "#include \"base/value.h\"" << std::endl
 			  << "#include \"base/array.h\"" << std::endl