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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
namespace mongo {
inline Status Status::OK() {
return Status();
}
inline Status::Status(const Status& other) : _error(other._error) {
ref(_error);
}
inline Status& Status::operator=(const Status& other) {
ref(other._error);
unref(_error);
_error = other._error;
return *this;
}
inline Status::Status(Status&& other) noexcept : _error(other._error) {
other._error = nullptr;
}
inline Status& Status::operator=(Status&& other) noexcept {
unref(_error);
_error = other._error;
other._error = nullptr;
return *this;
}
inline Status::~Status() {
unref(_error);
}
inline bool Status::isOK() const {
return !_error;
}
inline ErrorCodes::Error Status::code() const {
return _error ? _error->code : ErrorCodes::OK;
}
inline std::string Status::codeString() const {
return ErrorCodes::errorString(code());
}
inline AtomicUInt32::WordType Status::refCount() const {
return _error ? _error->refs.load() : 0;
}
inline Status::Status() : _error(NULL) {}
inline void Status::ref(ErrorInfo* error) {
if (error)
error->refs.fetchAndAdd(1);
}
inline void Status::unref(ErrorInfo* error) {
if (error && (error->refs.subtractAndFetch(1) == 0))
delete error;
}
inline bool operator==(const ErrorCodes::Error lhs, const Status& rhs) {
return rhs == lhs;
}
inline bool operator!=(const ErrorCodes::Error lhs, const Status& rhs) {
return rhs != lhs;
}
} // namespace mongo
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