From 6b20198b5058dfc11233b9c93f344b8391fdde86 Mon Sep 17 00:00:00 2001
From: "Stephen D. Huston" <shuston@apache.org>
Date: Wed, 21 Oct 2009 02:11:04 +0000
Subject: Initial checkin of portable message store plugin and MS SQL-specific
 storage provider. Goes with QPID-2017

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@827870 13f79535-47bb-0310-9956-ffa450edef68
---
 cpp/src/qpid/store/ms-sql/AmqpTransaction.cpp | 89 +++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 cpp/src/qpid/store/ms-sql/AmqpTransaction.cpp

(limited to 'cpp/src/qpid/store/ms-sql/AmqpTransaction.cpp')

diff --git a/cpp/src/qpid/store/ms-sql/AmqpTransaction.cpp b/cpp/src/qpid/store/ms-sql/AmqpTransaction.cpp
new file mode 100644
index 0000000000..0ecfacfb4b
--- /dev/null
+++ b/cpp/src/qpid/store/ms-sql/AmqpTransaction.cpp
@@ -0,0 +1,89 @@
+/*
+ *
+ * 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 "AmqpTransaction.h"
+#include "DatabaseConnection.h"
+
+namespace qpid {
+namespace store {
+namespace ms_sql {
+
+AmqpTransaction::AmqpTransaction(std::auto_ptr<DatabaseConnection>& _db)
+  : db(_db), transDepth(0)
+{
+}
+
+AmqpTransaction::~AmqpTransaction()
+{
+    if (transDepth > 0)
+        this->abort();
+}
+
+void
+AmqpTransaction::begin()
+{
+    _bstr_t beginCmd("BEGIN TRANSACTION");
+    _ConnectionPtr c = *db;
+    c->Execute(beginCmd, NULL, adExecuteNoRecords);
+    ++transDepth;
+}
+
+void
+AmqpTransaction::commit()
+{
+    if (transDepth > 0) {
+        _bstr_t commitCmd("COMMIT TRANSACTION");
+        _ConnectionPtr c = *db;
+        c->Execute(commitCmd, NULL, adExecuteNoRecords);
+        --transDepth;
+    }
+}
+
+void
+AmqpTransaction::abort()
+{
+    if (transDepth > 0) {
+        _bstr_t rollbackCmd("ROLLBACK TRANSACTION");
+        _ConnectionPtr c = *db;
+        c->Execute(rollbackCmd, NULL, adExecuteNoRecords);
+        transDepth = 0;
+    }
+}
+
+AmqpTPCTransaction::AmqpTPCTransaction(std::auto_ptr<DatabaseConnection>& _db,
+                                       const std::string& _xid)
+  : AmqpTransaction(_db), xid(_xid)
+{
+}
+
+AmqpTPCTransaction::~AmqpTPCTransaction()
+{
+}
+
+void
+AmqpTPCTransaction::prepare()
+{
+    // Intermediate transactions should have already assured integrity of
+    // the content in the database; just waiting to pull the trigger on the
+    // outermost transaction.
+}
+
+}}}  // namespace qpid::store::ms_sql
-- 
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