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			137 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			137 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /******************************************************************************
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|  * Icinga 2                                                                   *
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|  * Copyright (C) 2012-2013 Icinga Development Team (http://www.icinga.org/)   *
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|  *                                                                            *
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|  * This program is free software; you can redistribute it and/or              *
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|  * modify it under the terms of the GNU General Public License                *
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|  * as published by the Free Software Foundation; either version 2             *
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|  * of the License, or (at your option) any later version.                     *
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|  *                                                                            *
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|  * This program is distributed in the hope that it will be useful,            *
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
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|  * GNU General Public License for more details.                               *
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|  *                                                                            *
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|  * You should have received a copy of the GNU General Public License          *
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|  * along with this program; if not, write to the Free Software Foundation     *
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|  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
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|  ******************************************************************************/
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| 
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| #ifndef DYNAMICTYPE_H
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| #define DYNAMICTYPE_H
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| 
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| #include "base/i2-base.h"
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| #include "base/registry.h"
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| #include "base/dynamicobject.h"
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| #include "base/debug.h"
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| #include <map>
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| #include <set>
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| #include <boost/function.hpp>
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| #include <boost/smart_ptr/make_shared.hpp>
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| 
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| namespace icinga
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| {
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| 
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| class I2_BASE_API DynamicType : public Object
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| {
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| public:
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| 	DECLARE_PTR_TYPEDEFS(DynamicType);
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| 
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| 	typedef boost::function<DynamicObject::Ptr (void)> ObjectFactory;
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| 
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| 	DynamicType(const String& name, const ObjectFactory& factory);
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| 
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| 	String GetName(void) const;
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| 
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| 	static DynamicType::Ptr GetByName(const String& name);
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| 
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| 	static void RegisterType(const DynamicType::Ptr& type);
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| 
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| 	DynamicObject::Ptr CreateObject(const Dictionary::Ptr& serializedUpdate);
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| 	DynamicObject::Ptr GetObject(const String& name) const;
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| 
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| 	void RegisterObject(const DynamicObject::Ptr& object);
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| 
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| 	static std::vector<DynamicType::Ptr> GetTypes(void);
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| 	std::vector<DynamicObject::Ptr> GetObjects(void) const;
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| 
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| 	template<typename T>
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| 	static std::vector<shared_ptr<T> > GetObjects(void)
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| 	{
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| 		std::vector<shared_ptr<T> > objects;
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| 
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| 		BOOST_FOREACH(const DynamicObject::Ptr& object, GetObjects(T::GetTypeName())) {
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| 			shared_ptr<T> tobject = dynamic_pointer_cast<T>(object);
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| 
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| 			ASSERT(tobject);
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| 
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| 			objects.push_back(tobject);
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| 		}
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| 
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| 		return objects;
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| 	}
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| 
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| private:
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| 	String m_Name;
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| 	ObjectFactory m_ObjectFactory;
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| 
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| 	typedef std::map<String, DynamicObject::Ptr, string_iless> ObjectMap;
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| 	typedef std::vector<DynamicObject::Ptr> ObjectVector;
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| 
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| 	ObjectMap m_ObjectMap;
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| 	ObjectVector m_ObjectVector;
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| 
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| 	typedef std::map<String, DynamicType::Ptr, string_iless> TypeMap;
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| 	typedef std::vector<DynamicType::Ptr> TypeVector;
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| 
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| 	static TypeMap& InternalGetTypeMap(void);
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| 	static TypeVector& InternalGetTypeVector(void);
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| 	static boost::mutex& GetStaticMutex(void);
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| 
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| 	static std::vector<DynamicObject::Ptr> GetObjects(const String& type);
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| };
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| 
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| /**
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|  * A registry for DynamicType objects.
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|  *
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|  * @ingroup base
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|  */
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| class DynamicTypeRegistry : public Registry<DynamicType::Ptr>
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| { };
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| 
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| /**
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|  * Helper class for registering DynamicObject implementation classes.
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|  *
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|  * @ingroup base
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|  */
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| class RegisterTypeHelper
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| {
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| public:
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| 	RegisterTypeHelper(const String& name, const DynamicType::ObjectFactory& factory)
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| 	{
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| 		DynamicType::Ptr type = boost::make_shared<DynamicType>(name, factory);
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| 		DynamicType::RegisterType(type);
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| 	}
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| };
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| 
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| /**
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|  * Factory function for DynamicObject-based classes.
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|  *
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|  * @ingroup base
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|  */
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| template<typename T>
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| shared_ptr<T> DynamicObjectFactory(void)
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| {
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| 	return boost::make_shared<T>();
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| }
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| 
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| #define REGISTER_TYPE_ALIAS(type, alias) \
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| 	I2_EXPORT icinga::RegisterTypeHelper g_RegisterDT_ ## type(alias, DynamicObjectFactory<type>);
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| 
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| #define REGISTER_TYPE(type) \
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| 	REGISTER_TYPE_ALIAS(type, #type)
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| 
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| }
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| 
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| #endif /* DYNAMICTYPE_H */
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