metadataengine/server/inc/mdsdbconnectionpool.h
changeset 0 c53acadfccc6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/metadataengine/server/inc/mdsdbconnectionpool.h	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,52 @@
+/*
+* Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  A pool of database connections
+*
+*/
+
+#ifndef __DBCONNECTIONPOOL_H__
+#define __DBCONNECTIONPOOL_H__
+
+#include <e32base.h>
+
+class CMdSSqLiteConnection;
+
+
+/**
+ * A pool that handles interthread use of shared
+ * database connections.
+ * Current implementation uses only one shared
+ * connection
+ */
+class MMdSDbConnectionPool
+    {
+    public: // Constructors and destructor
+
+        static void SetDefaultDB( CMdSSqLiteConnection* aConnection );
+        static CMdSSqLiteConnection& GetDefaultDBL();
+    private:
+    	friend class CMdSMaintenanceEngine;
+        static void DisconnectAll();
+        static void ConnectAllL();
+
+
+    private: // Member data
+        
+        static CMdSSqLiteConnection* iConnection;
+        static TBool iDBValid;
+    };
+
+
+#endif	// __DBCONNECTIONPOOL_H__
+