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arangodb/arangod/Utils/OperationResult.h

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////////////////////////////////////////////////////////////////////////////////
/// 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 <velocypack/Buffer.h>
#include <velocypack/Options.h>
#include <velocypack/Slice.h>
#include <velocypack/velocypack-aliases.h>
namespace arangodb {
struct OperationResult {
OperationResult() {
}
explicit OperationResult(int code)
: customTypeHandler(), code(code), wasSynchronous(false) {
buffer = std::make_shared<VPackBuffer<uint8_t>>();
if (code != TRI_ERROR_NO_ERROR) {
errorMessage = TRI_errno_string(code);
}
}
OperationResult(int code, std::string const& message)
: customTypeHandler(), errorMessage(message), code(code),
wasSynchronous(false) {
buffer = std::make_shared<VPackBuffer<uint8_t>>();
TRI_ASSERT(code != TRI_ERROR_NO_ERROR);
}
OperationResult(std::shared_ptr<VPackBuffer<uint8_t>> buffer,
std::shared_ptr<VPackCustomTypeHandler> handler,
std::string const& message,
int code,
bool wasSynchronous)
: buffer(buffer), customTypeHandler(handler), errorMessage(message),
code(code), wasSynchronous(wasSynchronous) {
}
virtual ~OperationResult() {
}
bool successful() const {
return code == TRI_ERROR_NO_ERROR;
}
bool failed() const {
return !successful();
}
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;
// TODO: add a shared pointer to the transaction context
std::shared_ptr<VPackCustomTypeHandler> customTypeHandler;
std::string errorMessage;
int code;
bool wasSynchronous;
};
}
#endif