ReadinessRegistry.h

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#ifndef LINTEL_READINESSREGISTRY_H
#define LINTEL_READINESSREGISTRY_H
 
#include <functional>
#include <mutex>
#include <string>
#include <utility>
#include <vector>
 
namespace lintel {
class ReadinessRegistry
{
public:
  struct CheckResult
  {
    std::string m_name;
    bool m_ready = false;
    std::string m_detail;
  };
 
  using Check = std::function<bool(std::string &)>;
 
  static ReadinessRegistry &instance();
 
  void registerCheck(std::string name, Check check);
 
  void clear();
 
  std::vector<CheckResult> run() const;
 
private:
  ReadinessRegistry() = default;
 
  mutable std::mutex m_mutex;
  std::vector<std::pair<std::string, Check>> m_checks;
};
}// namespace lintel
#endif// LINTEL_READINESSREGISTRY_H