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#ifndef QPID_STORE_MSSQL_SQLTRANSACTION_H
#define QPID_STORE_MSSQL_SQLTRANSACTION_H
/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*
*/
#include <boost/shared_ptr.hpp>
#include <string>
namespace qpid {
namespace store {
namespace ms_sql {
class DatabaseConnection;
/**
* @class SqlTransaction
*
* Class representing an SQL transaction.
* Since ADO w/ SQLOLEDB can't do nested transaction via its BeginTrans(),
* et al, nested transactions are carried out with direct SQL commands.
* To ensure the state of this is known, keep track of how deeply the
* transactions are nested. This is more of a safety/sanity check since
* AMQP doesn't provide nested transactions.
*/
class SqlTransaction {
boost::shared_ptr<DatabaseConnection> db;
// Since ADO w/ SQLOLEDB can't do nested transaction via its BeginTrans(),
// et al, nested transactions are carried out with direct SQL commands.
// To ensure the state of this is known, keep track of how deeply the
// transactions are nested.
unsigned int transDepth;
public:
SqlTransaction(const boost::shared_ptr<DatabaseConnection>& _db);
~SqlTransaction();
DatabaseConnection *dbConn() { return db.get(); }
void begin();
void commit();
void abort();
};
}}} // namespace qpid::store::ms_sql
#endif /* QPID_STORE_MSSQL_SQLTRANSACTION_H */
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