mirror of https://gitee.com/bigwinds/arangodb
106 lines
2.9 KiB
C++
106 lines
2.9 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_ROCKSDB_ROCKSDB_TRANSACTION_STATE_H
|
|
#define ARANGOD_ROCKSDB_ROCKSDB_TRANSACTION_STATE_H 1
|
|
|
|
#include "Basics/Common.h"
|
|
#include "Basics/SmallVector.h"
|
|
#include "StorageEngine/TransactionState.h"
|
|
#include "Transaction/Hints.h"
|
|
#include "Transaction/Methods.h"
|
|
#include "VocBase/AccessMode.h"
|
|
#include "VocBase/voc-types.h"
|
|
|
|
#include <rocksdb/status.h>
|
|
#include <rocksdb/options.h>
|
|
|
|
struct TRI_vocbase_t;
|
|
|
|
namespace rocksdb {
|
|
class Transaction;
|
|
}
|
|
|
|
namespace arangodb {
|
|
class LogicalCollection;
|
|
struct RocksDBDocumentOperation;
|
|
class RocksDBWalMarker;
|
|
namespace transaction {
|
|
class Methods;
|
|
}
|
|
class TransactionCollection;
|
|
|
|
class RocksDBSavePoint {
|
|
public:
|
|
explicit RocksDBSavePoint(rocksdb::Transaction* trx);
|
|
~RocksDBSavePoint();
|
|
|
|
void commit();
|
|
void rollback();
|
|
|
|
private:
|
|
rocksdb::Transaction* _trx;
|
|
bool _committed;
|
|
};
|
|
|
|
/// @brief transaction type
|
|
class RocksDBTransactionState final : public TransactionState {
|
|
public:
|
|
explicit RocksDBTransactionState(TRI_vocbase_t* vocbase);
|
|
~RocksDBTransactionState();
|
|
|
|
/// @brief begin a transaction
|
|
int beginTransaction(transaction::Hints hints) override;
|
|
|
|
/// @brief commit a transaction
|
|
int commitTransaction(transaction::Methods* trx) override;
|
|
|
|
/// @brief abort a transaction
|
|
int abortTransaction(transaction::Methods* trx) override;
|
|
|
|
bool hasFailedOperations() const override {
|
|
return (_hasOperations && _status == transaction::Status::ABORTED);
|
|
}
|
|
|
|
/// @brief add a WAL operation for a transaction collection
|
|
int addOperation(TRI_voc_rid_t, RocksDBDocumentOperation&, RocksDBWalMarker const* marker, bool&);
|
|
|
|
rocksdb::Transaction* rocksTransaction() {
|
|
return _rocksTransaction.get();
|
|
}
|
|
|
|
rocksdb::ReadOptions& readOptions(){
|
|
return _rocksReadOptions;
|
|
}
|
|
|
|
private:
|
|
std::unique_ptr<rocksdb::Transaction> _rocksTransaction;
|
|
rocksdb::WriteOptions _rocksWriteOptions;
|
|
rocksdb::ReadOptions _rocksReadOptions;
|
|
bool _hasOperations;
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|