diff -r f5050f1da672 -r 04becd199f91 javacommons/javastorage/src.linux/client/javadataaccessimpl.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javacommons/javastorage/src.linux/client/javadataaccessimpl.h	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,124 @@
+/*
+* Copyright (c) 2008-2009 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:  JavaDataAccessImpl
+*
+*/
+
+
+#ifndef JAVADATAACCESSIMPL_H
+#define JAVADATAACCESSIMPL_H
+
+#include <memory>
+
+#include "javadataaccess.h"
+#include "javaosheaders.h"
+
+namespace java
+{
+namespace comms
+{
+class CommsClientEndpoint;
+class CommsMessage;
+}    // end namespace comms
+namespace storage
+{
+
+/**
+ * JavaDataAccessImpl implements JavaDataAccess interface.
+ */
+class JavaDataAccessImpl : public JavaDataAccess
+{
+
+    friend class JavaDataAccess;
+
+public:
+    /**
+     * Destructor. If destructor is called while having active connection
+     * Connection is rollbacked and closed before closing comms connection
+     * to storage server.
+     */
+    OS_IMPORT virtual ~JavaDataAccessImpl();
+
+    /**
+     * Open connection to given storage. Send connection open comms mesasge to
+     * storage server and caches received session ID to disconnect connection
+     * gracefully at error situation.
+     *
+     * @param aHeaders connection headers.
+     * @param aStorageName storage name.
+     * @param aReceiveMessage received comms message.
+     * @throws JavaStorageException if communication fails.
+     */
+    OS_IMPORT virtual void open(const std::string& aHeaders,
+                                const std::string& aStorageName,
+                                comms::CommsMessage& aReceivedMessage)
+    throw(JavaStorageException);
+
+    /**
+     * Send close message to storage server.
+     *
+     * @param aHeaders connection headers.
+     * @param aReceiveMessage received comms message.
+     * @throws JavaStorageException if communication fails.
+     */
+    OS_IMPORT virtual void close(const std::string& aHeaders,
+                                 comms::CommsMessage& aReceivedMessage)
+    throw(JavaStorageException);
+
+    /**
+     * Send SQL statement to storage server for execution.
+     *
+     * @param aHeaders connection headers.
+     * @param aSqlStatement SQL statement.
+     * @param aReceiveMessage received comms message.
+     * @throws JavaStorageException if communication fails.
+     */
+    OS_IMPORT virtual void execute(const std::string& aHeaders,
+                                   const std::wstring& aSqlStatement,
+                                   comms::CommsMessage& aReceivedMessage)
+    throw(JavaStorageException);
+
+private:
+    /**
+     * Constructor. Initiate comms connection to storage server
+     *
+     * @throws JavaStorageException if cannot connect to storage server using
+     * comms.
+     */
+    JavaDataAccessImpl() throw(JavaStorageException);
+
+    /**
+     * Send and receive comms messages.
+     *
+     * @param aSendMessage message to be sent.
+     * @param aReceivedMessage received message.
+     * @throws JavaStorageException if communication fails. Exception is thrown
+     * if comms returns error code. Comms error code is set as exception error
+     * code.
+     */
+    void sendReceiveMessage(comms::CommsMessage& aSendMessage,
+                            comms::CommsMessage& aReceivedMessage)
+    throw(JavaStorageException);
+
+private:
+    std::auto_ptr<comms::CommsClientEndpoint> mCliConn;
+    bool mConnOpen;
+    std::string mCachedSessionID;
+};
+
+} // end namespace storage
+} // end namespace java
+
+#endif // JAVADATAACCESSIMPL_H
+