memgraph/include/mg_exceptions.hpp
2023-08-01 00:05:44 +02:00

109 lines
4.0 KiB
C++

// Copyright 2023 Memgraph Ltd.
//
// Use of this software is governed by the Business Source License
// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
// License, and you may not use this file except in compliance with the Business Source License.
//
// As of the Change Date specified in that file, in accordance with
// the Business Source License, use of this software will be governed
// by the Apache License, Version 2.0, included in the file
// licenses/APL.txt.
#pragma once
#include <exception>
#include <iostream>
#include <sstream>
#include <string>
namespace mg_exception {
// Instead of writing this utility function, we could have used `fmt::format`, but that's not an ideal option here
// because that would introduce dependency that would be propagated to the client code (if exceptions here would be
// used). Since the functionality here is not complex + the code is not on a critical path, we opted for a pure C++
// solution.
template <typename FirstArg, typename... Args>
std::string StringSerialize(FirstArg &&firstArg, Args &&...args) {
std::stringstream stream;
stream << firstArg;
((stream << " " << args), ...);
return stream.str();
}
struct UnknownException : public std::exception {
const char *what() const noexcept override { return "Unknown exception!"; }
};
struct NotEnoughMemoryException : public std::exception {
NotEnoughMemoryException()
: message_{
StringSerialize("Not enough memory! For more details please visit", "https://memgr.ph/memory-control")} {}
const char *what() const noexcept override { return message_.c_str(); }
private:
std::string message_;
};
struct AllocationException : public std::exception {
AllocationException()
: message_{StringSerialize("Could not allocate memory. For more details please visit",
"https://memgr.ph/memory-control")} {}
const char *what() const noexcept override { return message_.c_str(); }
private:
std::string message_;
};
struct InsufficientBufferException : public std::exception {
const char *what() const noexcept override { return "Buffer is not sufficient to process procedure!"; }
};
struct OutOfRangeException : public std::exception {
const char *what() const noexcept override { return "Index out of range!"; }
};
struct LogicException : public std::exception {
const char *what() const noexcept override { return "Logic exception, check the procedure signature!"; }
};
struct DeletedObjectException : public std::exception {
const char *what() const noexcept override { return "Object is deleted!"; }
};
struct InvalidArgumentException : public std::exception {
const char *what() const noexcept override { return "Invalid argument!"; }
};
struct InvalidIDException : public std::exception {
InvalidIDException() : message_{"Invalid ID!"} {}
explicit InvalidIDException(std::uint64_t identifier) : message_{StringSerialize("Invalid ID =", identifier)} {}
const char *what() const noexcept override { return message_.c_str(); }
private:
std::string message_;
};
struct KeyAlreadyExistsException : public std::exception {
KeyAlreadyExistsException() : message_{"Key you are trying to set already exists!"} {}
explicit KeyAlreadyExistsException(const std::string &key)
: message_{StringSerialize("Key you are trying to set already exists! KEY = ", key)} {}
const char *what() const noexcept override { return message_.c_str(); }
private:
std::string message_;
};
struct ImmutableObjectException : public std::exception {
const char *what() const noexcept override { return "Object you are trying to change is immutable!"; }
};
struct ValueConversionException : public std::exception {
const char *what() const noexcept override { return "Error in value conversion!"; }
};
struct SerializationException : public std::exception {
const char *what() const noexcept override { return "Error in serialization!"; }
};
} // namespace mg_exception