errors.hh

#ifndef __VEREIGN_KVSTORE_ERRORS_HH
#define __VEREIGN_KVSTORE_ERRORS_HH

#include <stdexcept>

namespace vereign::kvstore {

class Error : public std::runtime_error {
public:
  Error(const std::string& what)
    : std::runtime_error(what)
  {
  }
};

class StorageNotInitializedError : public Error {
public:
  StorageNotInitializedError()
    : Error{"storage is not initialized"}
  {
  }
};

class LockError : public Error {
public:
  LockError()
    : Error{"cannot acquire storage lock"}
  {
  }
};

class IdentityChanged : public Error {
public:
  IdentityChanged()
    : Error{"identity has been changed"}
  {
  }
};

} // namespace vereign::kvstore

#endif // __VEREIGN_KVSTORE_ERRORS_HH