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arangodb/arangod/VocBase/ViewImplementation.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_VOCBASE_VIEW_IMPLEMENTATION_H
#define ARANGOD_VOCBASE_VIEW_IMPLEMENTATION_H 1
#include "Basics/Common.h"
#include "VocBase/voc-types.h"
#include <velocypack/Builder.h>
#include <velocypack/Slice.h>
namespace arangodb {
class LogicalView;
class PhysicalView;
class Result;
class ViewImplementation {
protected:
ViewImplementation(LogicalView* logical,
arangodb::velocypack::Slice const& info)
: _logicalView(logical) {}
public:
virtual ~ViewImplementation() = default;
virtual arangodb::Result updateProperties(
arangodb::velocypack::Slice const& slice, bool doSync) = 0;
/// @brief export properties
virtual void getPropertiesVPack(velocypack::Builder&) const = 0;
/// @brief opens an existing view
virtual void open() = 0;
virtual void drop() = 0;
protected:
LogicalView* _logicalView;
};
typedef std::function<std::unique_ptr<ViewImplementation>(
LogicalView*, arangodb::velocypack::Slice const&)>
ViewCreator;
} // namespace arangodb
#endif