mirror of https://gitee.com/bigwinds/arangodb
92 lines
3.0 KiB
C++
92 lines
3.0 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_UTILS_SINGLE_COLLECTION_TRANSACTION_H
|
|
#define ARANGOD_UTILS_SINGLE_COLLECTION_TRANSACTION_H 1
|
|
|
|
#include "Basics/Common.h"
|
|
#include "StorageEngine/TransactionCollection.h"
|
|
#include "Transaction/Methods.h"
|
|
#include "VocBase/AccessMode.h"
|
|
#include "VocBase/voc-types.h"
|
|
|
|
namespace arangodb {
|
|
|
|
namespace transaction {
|
|
|
|
class Context;
|
|
}
|
|
|
|
class SingleCollectionTransaction final : public transaction::Methods {
|
|
public:
|
|
/// @brief create the transaction, using a data-source
|
|
SingleCollectionTransaction(std::shared_ptr<transaction::Context> const& transactionContext,
|
|
LogicalDataSource const& collection,
|
|
AccessMode::Type accessType);
|
|
|
|
/// @brief create the transaction, using a collection name
|
|
SingleCollectionTransaction(std::shared_ptr<transaction::Context> const&,
|
|
std::string const&, AccessMode::Type);
|
|
|
|
/// @brief end the transaction
|
|
~SingleCollectionTransaction() = default;
|
|
|
|
/// @brief get the underlying document collection
|
|
/// note that we have two identical versions because this is called
|
|
/// in two different situations
|
|
LogicalCollection* documentCollection();
|
|
|
|
/// @brief get the underlying collection's id
|
|
inline TRI_voc_cid_t cid() const { return _cid; }
|
|
|
|
#ifdef USE_ENTERPRISE
|
|
using transaction::Methods::addCollectionAtRuntime;
|
|
#endif
|
|
/// @brief add a collection to the transaction for read, at runtime
|
|
/// note that this can only be ourselves
|
|
TRI_voc_cid_t addCollectionAtRuntime(std::string const& name, AccessMode::Type type) override final;
|
|
|
|
/// @brief get the underlying collection's name
|
|
std::string name();
|
|
|
|
private:
|
|
/// @brief get the underlying transaction collection
|
|
TransactionCollection* resolveTrxCollection();
|
|
|
|
/// @brief collection id
|
|
TRI_voc_cid_t _cid;
|
|
|
|
/// @brief trxCollection cache
|
|
TransactionCollection* _trxCollection;
|
|
|
|
/// @brief LogicalCollection* cache
|
|
LogicalCollection* _documentCollection;
|
|
|
|
/// @brief collection access type
|
|
AccessMode::Type _accessType;
|
|
};
|
|
|
|
} // namespace arangodb
|
|
|
|
#endif
|