--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/syncmlfw/ds/syncagent/inc/nsmldsluidbuffer.h Thu Dec 17 09:07:52 2009 +0200
@@ -0,0 +1,118 @@
+/*
+* Copyright (c) 2005 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: LUID buffering
+*
+*/
+
+
+#ifndef __NSMLDSLUIDBUFFER_H__
+#define __NSMLDSLUIDBUFFER_H__
+
+// INCLUDES
+#include <e32base.h>
+#include <SmlDataSyncDefs.h>
+#include "nsmldshostclient.h"
+
+// FORWARD DECLARATIONS
+class CNSmlDSHostClient;
+class CNSmlDSContentItem;
+
+// CLASS DECLARATION
+
+/**
+* Class for LUID (Local UID) buffering.
+*
+* @lib nsmldsagent.lib
+*/
+class CNSmlDSLUIDBuffer : public CBase
+ {
+ public: // constructors and destructor
+ /**
+ * C++ constructor.
+ * @param aHostClient Host Client used for communication with the Host Session.
+ * @param aContentItem Sync content whose LUIDs are buffered.
+ */
+ CNSmlDSLUIDBuffer( CNSmlDSHostClient& aHostClient, CNSmlDSContentItem& aContentItem );
+
+ /**
+ * Destructor.
+ */
+ ~CNSmlDSLUIDBuffer();
+
+ public: // new functions
+ /**
+ * Gets the current UID.
+ * @param aLocalUID On return contains the current UID.
+ */
+ void CurrentUID( TSmlDbItemUid& aLocalUID ) const;
+
+ /**
+ * Gets the first UID and the command associated to its modification type from buffer.
+ * @param aLocalUID On return contains the next UID.
+ * @param aCmdName On return contains the command associated with the returned UID's
+ * modification type.
+ * @return KErrNone if completed successfully or KErrEof if the buffer is empty
+ */
+ TInt NextUIDL( TSmlDbItemUid& aLocalUID, TDes8& aCmdName );
+
+ /**
+ * Gets the total number of UIDs, both in the buffer and written.
+ * @return TInt representing the number of UIDs in the buffer.
+ */
+ TInt ClientItemCount() const;
+
+ /**
+ * Sets the current UID as written and removes it from the buffer.
+ */
+ void SetCurrentItemWritten();
+
+ /**
+ * Gets UIDs of all modified items from datastore to the buffer asynchronously.
+ * @param aResultCode On return contains the result code of the operation.
+ */
+ void FetchModificationsL( TInt& aResultCode );
+
+ private: // constructors & operators
+ /**
+ * Prohibit copy constructor.
+ */
+ CNSmlDSLUIDBuffer( const CNSmlDSLUIDBuffer& aOther );
+
+ /**
+ * Prohibit assignment operator.
+ */
+ CNSmlDSLUIDBuffer& operator=( const CNSmlDSLUIDBuffer& aOther );
+
+ private: // data
+ // internal states
+ enum TState
+ {
+ EModifications = 1,
+ EEnd
+ };
+ // current state
+ TState iCurrState;
+ // array of buffered modification items
+ RNSmlDbItemModificationSet iModificationSet;
+ // reference to the ds hostclient
+ CNSmlDSHostClient& iHostClient;
+ // reference to the current content (datastore) data
+ CNSmlDSContentItem& iContentItem;
+ // the number of written items
+ TInt iWrittenItems;
+ };
+
+#endif // __NSMLDSLUIDBUFFER_H__
+
+// End of File