Added Freeze Connection and Transaction

1 files changed, 103 insertions, 0 deletions

diff --git a/cpp/src/Freeze/TransactionI.cpp b/cpp/src/Freeze/TransactionI.cpp
new file mode 100644
index 00000000000..0e28f9c9acf
--- /dev/null
+++ b/cpp/src/Freeze/TransactionI.cpp
@@ -0,0 +1,103 @@
+// **********************************************************************
+//
+// 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/TransactionI.h>
+#include <Freeze/ConnectionI.h>
+#include <Freeze/DBException.h>
+
+
+void
+Freeze::TransactionI::commit()
+{
+    assert(_txn != 0);
+    try
+    {
+	_connection->closeAllIterators();
+	_txn->commit(0);
+    }
+    catch(const ::DbDeadlockException& dx)
+    {
+	cleanup();
+	DBDeadlockException ex(__FILE__, __LINE__);
+	ex.message = dx.what();
+	throw ex;
+    }
+    catch(const ::DbException& dx)
+    {
+	cleanup();
+	DBException ex(__FILE__, __LINE__);
+	ex.message = dx.what();
+	throw ex;
+    }
+    cleanup();
+}
+
+void
+Freeze::TransactionI::rollback()
+{
+    assert(_txn != 0);
+
+    try
+    {
+	_connection->closeAllIterators();
+	_txn->abort();
+    }
+    catch(const ::DbDeadlockException& dx)
+    {
+	cleanup();
+	DBDeadlockException ex(__FILE__, __LINE__);
+	ex.message = dx.what();
+	throw ex;
+    }
+    catch(const ::DbException& dx)
+    {
+	cleanup();
+	DBException ex(__FILE__, __LINE__);
+	ex.message = dx.what();
+	throw ex;
+    }
+    cleanup();
+}
+    
+Freeze::TransactionI::TransactionI(ConnectionI* connection) :
+    _connection(connection),
+    _txn(0)
+{
+    try
+    {
+	_connection->dbEnv()->txn_begin(0, &_txn, 0);
+    }
+    catch(const ::DbException& dx)
+    {
+	DBException ex(__FILE__, __LINE__);
+	ex.message = dx.what();
+	throw ex;
+    }
+}
+    
+Freeze::TransactionI::~TransactionI()
+{
+    if(_txn != 0)
+    {
+	rollback();
+    }
+}
+
+void
+Freeze::TransactionI::cleanup()
+{
+    _connection->clearTransaction();
+    _connection = 0;
+    _txn = 0;
+}