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arangodb/arangod/Utils/OperationResult.h

142 lines
4.6 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// 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.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Jan Steemann
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_UTILS_OPERATION_RESULT_H
#define ARANGOD_UTILS_OPERATION_RESULT_H 1
#include "Basics/Common.h"
#include "Basics/Result.h"
#include <velocypack/Buffer.h>
#include <velocypack/Options.h>
#include <velocypack/Slice.h>
#include <velocypack/velocypack-aliases.h>
namespace arangodb {
//TODO FIXME -- This class shoulb be based on the arangodb::Result class
struct OperationResult {
OperationResult()
: code(TRI_ERROR_NO_ERROR), wasSynchronous(false) {}
explicit OperationResult(int code)
: buffer(std::make_shared<VPackBuffer<uint8_t>>()),
customTypeHandler(),
code(code),
wasSynchronous(false) {
if (code != TRI_ERROR_NO_ERROR) {
errorMessage = TRI_errno_string(code);
}
}
OperationResult(OperationResult&& other)
: buffer(std::move(other.buffer)),
customTypeHandler(std::move(other.customTypeHandler)),
errorMessage(std::move(other.errorMessage)),
code(other.code),
wasSynchronous(other.wasSynchronous),
countErrorCodes(std::move(other.countErrorCodes)) {}
OperationResult& operator=(OperationResult&& other) {
if (this != &other) {
buffer = std::move(other.buffer);
customTypeHandler = std::move(other.customTypeHandler);
errorMessage = std::move(other.errorMessage);
code = other.code;
wasSynchronous = other.wasSynchronous;
countErrorCodes = std::move(other.countErrorCodes);
}
return *this;
}
OperationResult(int code, std::string const& message)
: buffer(std::make_shared<VPackBuffer<uint8_t>>()),
customTypeHandler(),
errorMessage(message),
code(code),
wasSynchronous(false) {
TRI_ASSERT(code != TRI_ERROR_NO_ERROR);
}
//TODO FIXME -- more and better ctors for creation from Result
explicit OperationResult(Result const& other)
: buffer(std::make_shared<VPackBuffer<uint8_t>>()),
customTypeHandler(),
errorMessage(other.errorMessage()),
code(other.errorNumber()),
wasSynchronous(false) {}
OperationResult(std::shared_ptr<VPackBuffer<uint8_t>> const& buffer,
std::shared_ptr<VPackCustomTypeHandler> const& handler,
std::string const& message, int code, bool wasSynchronous)
: buffer(buffer),
customTypeHandler(handler),
errorMessage(message),
code(code),
wasSynchronous(wasSynchronous) {}
OperationResult(std::shared_ptr<VPackBuffer<uint8_t>> const& buffer,
std::shared_ptr<VPackCustomTypeHandler> const& handler,
std::string const& message, int code, bool wasSynchronous,
std::unordered_map<int, size_t> const& countErrorCodes)
: buffer(buffer),
customTypeHandler(handler),
errorMessage(message),
code(code),
wasSynchronous(wasSynchronous),
countErrorCodes(countErrorCodes) {}
~OperationResult() {}
bool successful() const {
return code == TRI_ERROR_NO_ERROR;
}
bool failed() const {
return !successful();
}
inline VPackSlice slice() const {
TRI_ASSERT(buffer != nullptr);
return VPackSlice(buffer->data());
}
// TODO: add a slice that points to either buffer or raw data
std::shared_ptr<VPackBuffer<uint8_t>> buffer;
std::shared_ptr<VPackCustomTypeHandler> customTypeHandler;
std::string errorMessage;
int code;
bool wasSynchronous;
// Executive summary for baby operations: reports all errors that did occur
// during these operations. Details are stored in the respective positions of
// the failed documents.
std::unordered_map<int, size_t> countErrorCodes;
};
}
#endif