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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 */