mirror of https://github.com/Icinga/icinga2.git
107 lines
3.0 KiB
C++
107 lines
3.0 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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#ifndef TYPE_H
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#define TYPE_H
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#include "base/i2-base.h"
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#include "base/qstring.h"
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#include "base/serializer.h"
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#include "base/initialize.h"
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#include <boost/function.hpp>
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namespace icinga
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{
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struct Field
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{
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int ID;
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String Name;
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int Attributes;
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Field(int id, const String& name, int attributes)
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: ID(id), Name(name), Attributes(attributes)
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{ }
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};
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class I2_BASE_API Type
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{
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public:
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typedef boost::function<Object::Ptr (void)> Factory;
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virtual String GetName(void) const = 0;
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virtual const Type *GetBaseType(void) const = 0;
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virtual bool IsAbstract(void) const = 0;
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virtual int GetFieldId(const String& name) const = 0;
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virtual Field GetFieldInfo(int id) const = 0;
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virtual int GetFieldCount(void) const = 0;
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Object::Ptr Instantiate(void) const;
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bool IsAssignableFrom(const Type *other) const;
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static void Register(const Type *type);
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static const Type *GetByName(const String& name);
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void SetFactory(const Factory& factory);
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private:
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typedef std::map<String, const Type *> TypeMap;
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static TypeMap& GetTypes(void);
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Factory m_Factory;
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};
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template<typename T>
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class TypeImpl
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{
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};
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template<typename T>
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shared_ptr<T> ObjectFactory(void)
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{
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return make_shared<T>();
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}
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template<typename T>
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struct FactoryHelper
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{
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Type::Factory GetFactory(void)
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{
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return ObjectFactory<T>;
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}
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};
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#define REGISTER_TYPE(type) \
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namespace { \
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void RegisterType(void) \
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{ \
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icinga::Type *t = new TypeImpl<type>(); \
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t->SetFactory(FactoryHelper<type>().GetFactory()); \
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icinga::Type::Register(t); \
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} \
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\
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INITIALIZE_ONCE(RegisterType); \
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}
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}
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#endif /* TYPE_H */
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