You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
91 lines
2.4 KiB
91 lines
2.4 KiB
/*
|
|
* Copyright (C) 2018 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef LIBTEXTCLASSIFIER_UTILS_BASE_STATUS_H_
|
|
#define LIBTEXTCLASSIFIER_UTILS_BASE_STATUS_H_
|
|
|
|
#include <string>
|
|
|
|
#include "utils/base/logging.h"
|
|
|
|
namespace libtextclassifier3 {
|
|
|
|
enum class StatusCode {
|
|
// Not an error; returned on success
|
|
OK = 0,
|
|
|
|
// All of the following StatusCodes represent errors.
|
|
CANCELLED = 1,
|
|
UNKNOWN = 2,
|
|
INVALID_ARGUMENT = 3,
|
|
DEADLINE_EXCEEDED = 4,
|
|
NOT_FOUND = 5,
|
|
ALREADY_EXISTS = 6,
|
|
PERMISSION_DENIED = 7,
|
|
RESOURCE_EXHAUSTED = 8,
|
|
FAILED_PRECONDITION = 9,
|
|
ABORTED = 10,
|
|
OUT_OF_RANGE = 11,
|
|
UNIMPLEMENTED = 12,
|
|
INTERNAL = 13,
|
|
UNAVAILABLE = 14,
|
|
DATA_LOSS = 15,
|
|
UNAUTHENTICATED = 16
|
|
};
|
|
|
|
// A Status is a combination of an error code and a string message (for non-OK
|
|
// error codes).
|
|
class Status {
|
|
public:
|
|
// Creates an OK status
|
|
Status();
|
|
|
|
// Make a Status from the specified error and message.
|
|
Status(StatusCode error, const std::string& error_message);
|
|
|
|
// Some pre-defined Status objects
|
|
static const Status& OK;
|
|
static const Status& UNKNOWN;
|
|
|
|
// Accessors
|
|
bool ok() const { return code_ == StatusCode::OK; }
|
|
int error_code() const { return static_cast<int>(code_); }
|
|
|
|
StatusCode CanonicalCode() const { return code_; }
|
|
|
|
const std::string& error_message() const { return message_; }
|
|
|
|
// Noop function provided to allow callers to suppress compiler warnings about
|
|
// ignored return values.
|
|
void IgnoreError() const {}
|
|
|
|
bool operator==(const Status& x) const;
|
|
bool operator!=(const Status& x) const;
|
|
|
|
std::string ToString() const;
|
|
|
|
private:
|
|
StatusCode code_;
|
|
std::string message_;
|
|
};
|
|
|
|
logging::LoggingStringStream& operator<<(logging::LoggingStringStream& stream,
|
|
const Status& status);
|
|
|
|
} // namespace libtextclassifier3
|
|
|
|
#endif // LIBTEXTCLASSIFIER_UTILS_BASE_STATUS_H_
|