Added Freeze Connection and Transaction

1 files changed, 76 insertions, 0 deletions

diff --git a/cpp/src/Freeze/TransactionHolder.cpp b/cpp/src/Freeze/TransactionHolder.cpp
new file mode 100644
index 00000000000..8b758624467
--- /dev/null
+++ b/cpp/src/Freeze/TransactionHolder.cpp
@@ -0,0 +1,76 @@
+// **********************************************************************
+//
+// Copyright (c) 2003
+// ZeroC, Inc.
+// Billerica, MA, USA
+//
+// All Rights Reserved.
+//
+// Ice is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License version 2 as published by
+// the Free Software Foundation.
+//
+// **********************************************************************
+
+#include <Freeze/TransactionHolder.h>
+
+using namespace Freeze;
+
+Freeze::TransactionHolder::TransactionHolder(const ConnectionPtr& connection) 
+    : _transaction(0)
+{
+    if(connection->currentTransaction() == 0)
+    {
+	_transaction = connection->beginTransaction();
+    }
+}
+
+Freeze::TransactionHolder::~TransactionHolder()
+{
+    try
+    {
+	rollback();
+    }
+    catch(...)
+    {
+	//
+	// Ignored to avoid crash during stack unwinding
+	//
+    }
+}
+
+void
+Freeze::TransactionHolder::commit()
+{
+    if(_transaction != 0)
+    {
+	try
+	{
+	    _transaction->commit();
+	    _transaction = 0;
+	}
+	catch(...)
+	{
+	    _transaction = 0;
+	    throw;
+	}
+    }
+}
+
+void
+Freeze::TransactionHolder::rollback()
+{
+    if(_transaction != 0)
+    {
+	try
+	{
+	    _transaction->rollback();
+	    _transaction = 0;
+	}
+	catch(...)
+	{
+	    _transaction = 0;
+	    throw;
+	}
+    }
+}