mirror of https://gitee.com/bigwinds/arangodb
105 lines
3.7 KiB
C++
105 lines
3.7 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 Michael Hackstein
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef ARANGOD_VOCBASE_PHYSICAL_COLLECTION_H
|
|
#define ARANGOD_VOCBASE_PHYSICAL_COLLECTION_H 1
|
|
|
|
#include "Basics/Common.h"
|
|
#include "VocBase/DatafileStatisticsContainer.h"
|
|
#include "VocBase/voc-types.h"
|
|
|
|
#include <velocypack/Builder.h>
|
|
|
|
struct TRI_datafile_t;
|
|
struct TRI_df_marker_t;
|
|
|
|
namespace arangodb {
|
|
class LogicalCollection;
|
|
|
|
class PhysicalCollection {
|
|
protected:
|
|
PhysicalCollection(LogicalCollection* collection) : _logicalCollection(collection) {}
|
|
|
|
public:
|
|
virtual ~PhysicalCollection() = default;
|
|
|
|
virtual TRI_voc_rid_t revision() const = 0;
|
|
|
|
// Used for Transaction rollback
|
|
virtual void setRevision(TRI_voc_rid_t revision, bool force) = 0;
|
|
|
|
virtual int64_t initialCount() const = 0;
|
|
|
|
virtual void updateCount(int64_t) = 0;
|
|
|
|
virtual void figures(std::shared_ptr<arangodb::velocypack::Builder>&) = 0;
|
|
|
|
virtual int close() = 0;
|
|
|
|
/// @brief rotate the active journal - will do nothing if there is no journal
|
|
virtual int rotateActiveJournal() = 0;
|
|
|
|
virtual int applyForTickRange(TRI_voc_tick_t dataMin, TRI_voc_tick_t dataMax,
|
|
std::function<bool(TRI_voc_tick_t foundTick, TRI_df_marker_t const* marker)> const& callback) = 0;
|
|
|
|
/// @brief iterates over a collection
|
|
virtual bool iterateDatafiles(std::function<bool(TRI_df_marker_t const*, TRI_datafile_t*)> const& cb) = 0;
|
|
|
|
/// @brief increase dead stats for a datafile, if it exists
|
|
virtual void increaseDeadStats(TRI_voc_fid_t fid, int64_t number, int64_t size) = 0;
|
|
|
|
/// @brief increase dead stats for a datafile, if it exists
|
|
virtual void updateStats(TRI_voc_fid_t fid, DatafileStatisticsContainer const& values) = 0;
|
|
|
|
/// @brief create statistics for a datafile, using the stats provided
|
|
virtual void createStats(TRI_voc_fid_t fid, DatafileStatisticsContainer const& values) = 0;
|
|
|
|
/// @brief disallow compaction of the collection
|
|
/// after this call it is guaranteed that no compaction will be started until allowCompaction() is called
|
|
virtual void preventCompaction() = 0;
|
|
|
|
/// @brief try disallowing compaction of the collection
|
|
/// returns true if compaction is disallowed, and false if not
|
|
virtual bool tryPreventCompaction() = 0;
|
|
|
|
/// @brief re-allow compaction of the collection
|
|
virtual void allowCompaction() = 0;
|
|
|
|
/// @brief exclusively lock the collection for compaction
|
|
virtual void lockForCompaction() = 0;
|
|
|
|
/// @brief try to exclusively lock the collection for compaction
|
|
/// after this call it is guaranteed that no compaction will be started until allowCompaction() is called
|
|
virtual bool tryLockForCompaction() = 0;
|
|
|
|
/// @brief signal that compaction is finished
|
|
virtual void finishCompaction() = 0;
|
|
|
|
protected:
|
|
LogicalCollection* _logicalCollection;
|
|
};
|
|
|
|
} // namespace arangodb
|
|
|
|
#endif
|