mirror of https://github.com/Icinga/icinga2.git
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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#ifndef DYNAMICTYPE_H
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#define DYNAMICTYPE_H
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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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namespace icinga
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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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typedef boost::function<DynamicObject::Ptr (void)> ObjectFactory;
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DynamicType(const String& name, const ObjectFactory& factory);
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String GetName(void) const;
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static DynamicType::Ptr GetByName(const String& name);
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static void RegisterType(const DynamicType::Ptr& type);
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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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void RegisterObject(const DynamicObject::Ptr& object);
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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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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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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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ASSERT(tobject);
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objects.push_back(tobject);
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}
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return objects;
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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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typedef std::map<String, DynamicObject::Ptr, string_iless> ObjectMap;
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typedef std::vector<DynamicObject::Ptr> ObjectVector;
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ObjectMap m_ObjectMap;
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ObjectVector m_ObjectVector;
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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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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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static std::vector<DynamicObject::Ptr> GetObjects(const String& type);
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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<DynamicTypeRegistry, DynamicType::Ptr>
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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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* 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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#define REGISTER_TYPE_ALIAS(type, alias) \
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I2_EXPORT icinga::RegisterTypeHelper g_RegisterDT_ ## type(alias, DynamicObjectFactory<type>);
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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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#endif /* DYNAMICTYPE_H */
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