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arangodb/arangod/Utils/OperationCursor.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 Max Neunhoeffer
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_UTILS_OPERATION_CURSOR_H
#define ARANGOD_UTILS_OPERATION_CURSOR_H 1
#include "Basics/Common.h"
#include "Utils/OperationResult.h"
#include "Indexes/Index.h"
#include "Indexes/IndexIterator.h"
#include <velocypack/Buffer.h>
#include <velocypack/Options.h>
#include <velocypack/Slice.h>
#include <velocypack/velocypack-aliases.h>
namespace arangodb {
struct OperationCursor : public OperationResult {
private:
std::unique_ptr<IndexIterator> _indexIterator;
bool _hasMore;
public:
explicit OperationCursor(int code)
: OperationResult(code), _hasMore(false) {
}
OperationCursor(int code, std::string const& message)
: OperationResult(code, message), _hasMore(false) {
}
OperationCursor(std::shared_ptr<VPackBuffer<uint8_t>> buffer,
VPackCustomTypeHandler* handler,
std::string const& message,
int code,
bool wasSynchronous)
: OperationResult(buffer, handler, message, code, wasSynchronous),
_hasMore(true) {
}
~OperationCursor() {
// TODO: handle destruction of customTypeHandler
}
bool hasMore() {
return _hasMore;
}
int getMore(uint64_t count);
};
}
#endif