--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javacommons/javastorage/src.s60/client/javadataaccessimpl.h	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,179 @@
+/*
+* 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 <sqldb.h>
+
+#include "javadataaccess.h"
+#include "javaosheaders.h"
+
+namespace java
+{
+namespace comms
+{
+class CommsMessage;
+}    // end namespace comms
+namespace storage
+{
+
+class JavaStorageException;
+
+/**
+ * JavaDataAccessImpl implements JavaDataAccess interface.
+ */
+OS_NONSHARABLE_CLASS(JavaDataAccessImpl) : public JavaDataAccess
+{
+
+    friend class JavaDataAccess;
+
+public:
+    /**
+     * Destructor. If destructor is called while having active connection
+     * Connection is rollbacked and closed before closing database connection.
+     */
+    OS_IMPORT virtual ~JavaDataAccessImpl();
+
+    /**
+     * Open given storage. If storage does not exists it is created. If storage
+     * is default system storage also database schema is created.
+     *
+     * @param aHeaders connection headers.
+     * @param aStorageName storage name.
+     * @param[out] aReceiveMessage response message.
+     * @throws JavaStorageException if communication fails.
+     */
+    OS_IMPORT virtual void open(const std::string& aHeaders,
+                                const std::string& aStorageName,
+                                comms::CommsMessage& aReceivedMessage)
+    throw(JavaStorageException);
+
+    /**
+     * Close storage. If storage has ongoing session it is rollbacked.
+     *
+     * @param aHeaders connection headers.
+     * @param[out] aReceiveMessage response message.
+     * @throws JavaStorageException if communication fails.
+     */
+    OS_IMPORT virtual void close(const std::string& aHeaders,
+                                 comms::CommsMessage& aReceivedMessage)
+    throw(JavaStorageException);
+
+    /**
+     * Execute given SQL statement against database and create response.
+     *
+     * @param aHeaders connection headers.
+     * @param aSqlStatement SQL statement.
+     * @param[out] 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:
+    JavaDataAccessImpl();
+
+    /**
+     * Check whether given storage is initialized or not.
+     * Supports only predefined tables. If table is not predefined
+     * false is returned.
+     *
+     * @param aStorageName to be checked is initialized.
+     * @return true if already initialized, false otherwise.
+     */
+    bool isDBInitialized(const std::string& aStorageName);
+
+    /**
+     * Open given storage. If open fails storage is created and
+     * initialized. If storage is not predefined storage is created but not
+     * initialized.
+     *
+     * @param aStorageName to be opened.
+     * @throws JavaStorageException if storage creation fails.
+     */
+    void openDatabase(const std::string& aStorageName)
+    throw(JavaStorageException);
+
+    /**
+     * Create database. Database is created to Symbian's SqlServer private
+     * data cage with predefined security policy.
+     *
+     * @param aDbName to be created.
+     * @param aIsDefault is this default database.
+     * @throws JavaStorageException if database creation fails. Failure code
+     *         is stored to Exception status code.
+     */
+    void createDatabase(const TDesC& aDbName, bool aIsDefault)
+    throw(JavaStorageException);
+
+    /**
+     * Create single table to storage.
+     *
+     * @param aSqlStatement containing storage creation statement.
+     * @throws JavaStorageException if table creation failed.
+     */
+    void createTable(const TDesC& aStatement) throw(JavaStorageException);
+
+    /**
+     * Initialise given storage. Create database structures.
+     *
+     * @param aStorageName storage to be initialized.
+     * @throws JavaStorageException if table creation fails.
+     */
+    void initializeDatabase(const std::string& aStorageName)
+    throw(JavaStorageException);
+
+    /**
+     * Read column name from statement.
+     *
+     * @param aIndex Index where name is read.
+     * @param aStmt Statement where name is read.
+     * @param[out] aColName column name.
+     */
+    void columnName(int aIndex,
+                    RSqlStatement& aStmt,
+                    std::wstring& aColName);
+
+    /**
+     * Read column value from statement.
+     *
+     * @param aIndex Index where value is read.
+     * @param aStmt Statement where value is read.
+     * @param aColumnType Column type.
+     * @param[out] aColValue column value.
+     */
+    void columnValue(const int aIndex,
+                     RSqlStatement& aStmt,
+                     const TSqlColumnType aColumnType,
+                     std::wstring& aColValue);
+
+private:
+    bool mConnOpen;
+    bool mHavingTransaction;
+    std::string mSessionId;
+    RSqlDatabase mDatabase;
+};
+
+} // end namespace storage
+} // end namespace java
+
+#endif // JAVADATAACCESSIMPL_H
+