StateMachines.h

#pragma once
// ===========================================================================
// Copyright (c) 2015 Toolchefs Ltd. All rights reserved.
//
// Use of this software is subject to the terms of the Toolchefs license
// agreement provided at the time of installation or download, or which
// otherwise accompanies this software in either electronic or hard copy form.
// ===========================================================================
 
#include <Atoms/Globals.h>
#include <Atoms/StateMachine.h>
#include <map>
#include <vector>
#include <mutex>
#include <functional>
 
namespace Atoms
{
    class ATOMS_EXPORT StateMachines
    {
    public:
 
        static StateMachines& instance();
 
 
        AtomsPtr<StateMachine> stateMachine(const std::string& typeName);
 
 
        void addStateMachine(const std::string& name, const StateMachine& stateMachine, bool replace = true);
 
 
        void removeStateMachine(const std::string& name);
 
 
        std::vector<std::string> stateMachineNames();
 
 
        bool stateMachineExists(const std::string& name);
 
        unsigned int numStateMachines();
 
        void clear();
 
        void registerLoaderCallback(std::function<StateMachine(const char*)>& callback);
 
    private:
 
        StateMachines();
 
        StateMachines(const StateMachines&);
 
        ~StateMachines();
 
        StateMachines& operator=(const StateMachines&);
 
        typedef std::map<std::string, AtomsPtr<StateMachine>> StateMachineMap;
 
        StateMachineMap m_stateMachineMap;
 
        std::function<StateMachine(const char*)> m_loaderCallback;
 
        mutable std::mutex m_mutex;
    };
}