ResourceProxy.h

#pragma once
 
#include "ResourceHandle.h"
 
namespace Cogs
{
  namespace Core
  {
    template<typename ResourceType, typename Manager>
    class ResourceProxy
    {
      typedef ResourceHandle_t<ResourceType> ResourceHandle;
 
    public:
      ResourceProxy(Manager & owner, ResourceHandle handle, ResourceHandle proxy) : proxy(proxy), handle(handle), owner(owner) {}
      ResourceProxy(const ResourceProxy & other) = delete;
      ResourceProxy(ResourceProxy && other) = default;
 
      ResourceProxy & operator=(const ResourceProxy & other) = delete;
      ResourceProxy & operator=(ResourceProxy && other) = default;
 
      ~ResourceProxy() { if (HandleIsValid(handle)) { owner.unlockProxy(handle, proxy); } }
 
      ResourceType * operator->() { return proxy.resolve(); }
      ResourceType & operator*() { return *proxy.resolve(); }
 
      ResourceHandle getHandle() const { return handle; }
 
    private:
      ResourceHandle proxy;
      ResourceHandle handle;
      Manager & owner;
    };
  }
}