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Editorial Team
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Asked: 2026-06-13T09:18:25+00:00

In my base framework I like to have classes that I can reuse in

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In my base framework I like to have classes that I can reuse in several projects. Most often these are generic to allow for flexibility.

I have one tiny little header that I use to store data in and get the data easily.

#pragma once
#include <map>
#include <string>

namespace BaseFrameWork
{
template<class TValue, class TKey = std::string>
class Provider
{
public:
  static TValue& Get(TKey const& key);
private:
  static std::map<TKey, TValue> _dataMap;
};
}

Yeah it’s just a wrapper for a map, but I like it as sort of a central place to get Data from.
I can do Provider<Room>::Get("U-18") for example and get the object that was loaded inside from who cares where from.

I acknowledge how frowned upon it is to have global objects like this, but this is not part of a public API and only used in personal projects where the team is ok with using it.

What I want to know is if there is a name for this pattern, if it even is one. I always called it Provider-Pattern since thats what it does, provide stuff, but I saw that thats already taken.

And please refrain from telling just how bad this code is and how I should feel bad for it.

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1 Answer

  1. Editorial Team

    It’s a Singleton pattern, with the data item being a map (effectively an opaque associative container when access is through a getter and presumably setter). An associative container isn’t generally considered a design pattern in and of itself.

    If you’re looking for a phrase that communicates this design succinctly and clearly, something like a “Singleton map initialised (when/how) and read-only thereafter”.

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