AgentsPool.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/Agent.h>
#include <mutex>
#include <atomic>
 
namespace Atoms
{
 
    class ATOMS_EXPORT AgentsPool
    {
    public:
 
        static AgentsPool& instance();
 
 
        std::vector<Agent*> reserve(unsigned int numAgents, const std::string& affinity = "");
 
        void clear();
 
        void reset();
 
        void clearCache();
 
 
        Agent* agent(unsigned int id);
 
        std::vector<int> agentIds();
 
        void deleteAgent(unsigned int id);
 
        void deleteAgents(const std::vector<unsigned int>& ids);
 
        size_t numAgents() const;
 
        AtomsPtr<Agent> createEmptyAgent() const;
 
        void setNumAgentsOffset(unsigned int offset);
 
        unsigned int numAgentsOffset() const;
 
    private:
 
        AgentsPool();
 
        ~AgentsPool();
 
        AgentsPool(const AgentsPool&);
 
        AgentsPool& operator=(const AgentsPool&);
 
    private:
 
        std::unordered_map<int, Agent*> m_agents;
 
        std::map<std::string, std::vector<Agent*>> m_agentCache;
 
        std::mutex m_mutex;
 
        unsigned int m_nextFreeId;
 
        unsigned int m_numAgentsOffset;
    };
}