source: code/branches/FICN/src/orxonox/core/ClassFactory.h @ 496

/*!
    @file ClassFactory.h
    @brief Definition and implementation of the ClassFactory class

    The ClassFactory is able to create new objects of a specific class.
*/

#ifndef _ClassFactory_H__
#define _ClassFactory_H__

#include "Identifier.h"

namespace orxonox
{
    // ###############################
    // ###      ClassFactory       ###
    // ###############################
    //! The ClassFactory is able to create new objects of a specific class.
    template <class T>
    class ClassFactory : public BaseFactory
    {
        public:
            static bool create(const std::string& name);
            BaseObject* fabricate();

        private:
            ClassFactory() {}                               // Don't create
            ClassFactory(const ClassFactory& factory) {}    // Don't copy
            ~ClassFactory() {}                              // Don't delete

            static T* createNewObject();
    };

    /**
        @brief Adds the ClassFactory to the Identifier of the same type and the Identifier to the Factory.
        @return Always true (this is needed because the compiler only allows assignments before main())
    */
    template <class T>
    bool ClassFactory<T>::create(const std::string& name)
    {
        ClassIdentifier<T>::getIdentifier()->addFactory(new ClassFactory<T>);
        Factory::add(name, ClassIdentifier<T>::getIdentifier());

        return true;
    }

    /**
        @brief Creates and returns a new object of class T.
        @return The new object
    */
    template <class T>
    BaseObject* ClassFactory<T>::fabricate()
    {
        return ClassFactory<T>::createNewObject();
    }

    /**
        @brief Creates and returns a new object of class T; this is a wrapper for the new operator.
        @return The new object
    */
    template <class T>
    T* ClassFactory<T>::createNewObject()
    {
        return new T;
    }
}

#endif