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syncmlfw/ds/hostserver/dshostclient/inc/nsmldshostclientsession.h
changeset 0 b497e44ab2fc 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/syncmlfw/ds/hostserver/dshostclient/inc/nsmldshostclientsession.h	Thu Dec 17 09:07:52 2009 +0200
@@ -0,0 +1,577 @@
+/*
+* 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:  Client module of DS Host Servers
+*
+*/
+
+
+#ifndef __NSMLDSHOSTCLIENTSESSION_H__ 
+#define __NSMLDSHOSTCLIENTSESSION_H__
+
+// ------------------------------------------------------------------------------------------------
+// Includes
+// ------------------------------------------------------------------------------------------------
+#include <e32base.h>
+#include <e32std.h>
+#include <badesca.h>
+#include <SyncMLDef.h>
+#include <SmlDataProvider.h>
+#include <SyncMLDataFilter.h>
+
+// ------------------------------------------------------------------------------------------------
+// Class forwards
+// ------------------------------------------------------------------------------------------------
+struct TNSmlFilterCapData;
+class CNSmlFilter;
+class RSmlFilter;
+class RSmlFilterDef;
+class CNSmlDbCaps;
+struct TNSmlDPInformation;
+class RNSmlDbItemModificationSet;
+
+// ------------------------------------------------------------------------------------------------
+//	client for DS Host Servers.
+//
+//  @lib nsmldshostclient.lib
+// ------------------------------------------------------------------------------------------------
+class RNSmlDSHostClient : public RSessionBase
+	{
+	enum TNSmlDSItemState
+		{
+		ENSmlClosed,
+		ENSmlItemCreating,
+		ENSmlItemUpdating
+		};
+private:
+	// ------------------------------------------------------------------------------------------------
+	// Buffer + dynamic streams for that buffer. 
+	//
+	// @lib nsmldshostserver.lib
+	// ------------------------------------------------------------------------------------------------
+		struct TStreamBuffers
+			{
+			CBufBase* iBuffer;
+			RWriteStream* iWrite;
+			RReadStream* iRead;
+			};
+public: 
+	/**
+	* Connects client to Host Server.
+	* @param aServerName. The name of server.
+	* @param aVersion. The version of server.
+	* @return TInt. KErrNone or one of the system wide error codes.
+	*/
+	TInt Connect( const TDesC& aServerName, const TVersion& aVersion );
+	
+	/**
+	* Closes connection between client and Host Server.
+	*/
+	void Close();
+	
+	/**
+	* Creates chunk that is used to transfer data between client and server.
+	* @return TInt. KErrNone or one of the system wide error codes.
+	*/
+	TInt CreateChunk() const;
+	
+	/**
+	* Sends Chunk handle to SyncML DS Host Servers.
+	* @return TInt. KErrNone or one of the system wide error codes.
+	*/
+	TInt SendChunkHandle() const;
+	
+	/**
+	* Creates Data Providers.
+	* @param aIds. The array of IDs of Data Providers.
+	* @param aResultArray. The result for each Data Provider. KErrNone or one of the system wide error codes.
+	* 		 Order of results must be same as IDs of Data Providers.
+	*/
+	void CreateDataProvidersL( const RArray<TSmlDataProviderId>& aIds, RArray<TInt>& aResultArray );
+	
+	/**
+	* Creates all possible Data Providers.
+	* @param aIds. At return the array of IDs of Data Providers.
+	* @param aExceptIds. Those Data Providers are not created.
+	*/
+	void CreateAllDataProvidersL( RArray<TSmlDataProviderId>& aIds, const RArray<TSmlDataProviderId>& aExceptIds );
+	
+	/**
+	* fetches information on data provider
+	* The caller has the responsibility to free all the memory reserved for returned struct.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	* @return TNSmlDPInformation*. Struct filled with fetched information. 
+	*/
+	TNSmlDPInformation* DataProviderInformationL( const TSmlDataProviderId aId, TInt& aResultCode ) const;
+	
+	/**
+	* Asks if Data Provider supports some operation.
+	* @param aOpId. The ID of Operation.
+	* @param aId. The ID of Data Provider.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	* @return TBool, ETrue if operation is supported and EFalse if not.
+	*/
+	TBool SupportsOperationL( TUid aOpId, const TSmlDataProviderId aId, TInt& aResultCode ) const;
+	
+	/**
+	* Creates Data Store format of Data Provider.
+	* @param aDataStoreFormat. At return the datastore format of the Data Provider.
+	* @param aId. The ID of Data Provider.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	* @return CNSmlDbCaps*.
+	*/
+	CNSmlDbCaps* StoreFormatL(  const TSmlDataProviderId aId, TInt& aResultCode );
+	
+	/**
+	* Creates list of Data Store names of Data Provider.
+	* @param aNameList. returns the names of datastores that the Data Provider can open.
+	* @param aId. The ID of Data Provider.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void ListStoresL( CDesCArray* aNameList, const TSmlDataProviderId aId, TInt& aResultCode );
+	
+	/**
+	* Creates default name for Data Store of Data Provider.
+	* @param aId. The ID of Data Provider.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	* @return HBufC* that includes default Data Store name.
+	*/
+	HBufC* DefaultStoreL( const TSmlDataProviderId aId, TInt& aResultCode ) const;
+			
+	/**
+	* This method returns the set of filters that can be used to send to the Sync Partner.
+	* @param aId. The ID of Data Provider.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	* @return RPointerArray<CSyncMLFilter>*. Array, that includes filter.
+	*/
+	RPointerArray<CSyncMLFilter>* SupportedServerFiltersL( const TSmlDataProviderId aId, TSyncMLFilterMatchType& aMatchType, TSyncMLFilterChangeInfo& aChangeInfo, TInt& aResultCode ) const;
+	
+	/**
+	* This method updates dynamic filters up-to-date.
+	* @param aFilters. The array that includes filters
+	* @param aChangeInfo. The change information about changes that data provider did
+	* @param aId. The ID of Data Provider.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void CheckServerFiltersL( const TSmlDataProviderId aId, RPointerArray<CSyncMLFilter>& aFilters, TSyncMLFilterChangeInfo& aChangeInfo, TInt& aResultCode ) const;
+	
+	/**
+	* This method checks what filters are supported by server.
+	* @param aServerDataStoreFormat. The store format of Sync Partner.
+	* @param aFilterInfoArr. Array of filter information
+	* @param aFilters. The array that includes filters
+	* @param aChangeInfo. The change information about changes that data provider did
+	* @param aId. The ID of Data Provider.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void CheckSupportedServerFiltersL( const TSmlDataProviderId aId, const CNSmlDbCaps& aServerDataStoreFormat, const CArrayFix<TNSmlFilterCapData>& aFilterInfoArr, RPointerArray<CSyncMLFilter>& aFilters, TSyncMLFilterChangeInfo& aChangeInfo, TInt& aResultCode ) const;
+	
+	/**
+	* Get Filters.
+	* @param aId. The ID of Data Provider.
+	* @param aFilterArray. The filters to be used for the query generation
+	* @param aFilter. Results
+	* @param aMatchType. The filter match type to be used
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/	
+	void GetFilterL( const TSmlDataProviderId aId, const TDesC& aStoreName, const RPointerArray<CSyncMLFilter>& aFilterArray, CNSmlFilter*& aFilter, TSyncMLFilterMatchType aMatchType, TInt& aResultCode );
+	
+	/**
+	* Opens the data store specified by aStoreName asynchronously.
+	* @param aContext. Identifies the specific synchronisation relationship to use.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void OpenL( const TSmlDataProviderId aId, const TDesC& aStoreName, const TDesC& aServerId, const TDesC& aRemoteDB, TInt& aResultCode ) const;
+			
+	/**
+	* Cancel the current asynchronous request.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void CancelRequest( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const;
+	
+	/**
+	* Starts the transaction mode.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void BeginTransaction( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode );
+	
+	/**
+	* Method will be called at the end of a successful transaction.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void CommitTransaction( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode );
+	
+	/**
+	* Method will be called to abort an ongoing transaction.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void RevertTransaction( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode );
+	
+	/**
+	* Starts the batch mode.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void BeginBatch( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode );
+	
+	/**
+	* Method will be called at the end of the batch mode.
+	* @param aResultArray is used to store result for each operation
+	*		 (in the order they were submitted) during batch.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void CommitBatchL( RArray<TInt>& aResultArray, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode );
+	
+	/**
+	* Method will be called to abort an ongoing batch mode.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void CancelBatch( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode );
+	
+	/**
+	* Sets the SyncML server (SyncPartner) Data Format
+	* @param aServerDataStoreFormat. The data store format of Sync Partner.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void SetRemoteDataStoreFormatL( const CNSmlDbCaps& aServerDataStoreFormat, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode );
+	
+	/**
+	* Sets the SyncML server (SyncPartner) Data Format
+	* @param aServerMaxObjectSize. The maximum object size of Sync Partner.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void SetRemoteMaxObjectSizeL( TInt aServerMaxObjectSize, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const;
+	
+	/**
+	* Gets the maximum object size of Data Store which is reported to the SyncML partner.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	* @return TInt. The maximum object size of Data Store.
+	*/
+	TInt MaxObjectSize( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode  ) const;
+	
+	/**
+	* Opens item at Data Store.
+	* @param aUid. The UID of item.
+	* @param aFieldChange. Data Provider change to ETrue if there is only some field changes at item.
+	* @param aSize. The Data Provider puts the size of item to this parameter.
+	* @param aParent. Data Provider puts the UID of parent of item to this parameter.
+	* @param aMimeType. Data Provider puts the mime type of item to this parameter.
+	* @param aMimeVer. Data Provider puts the mime version of item to this parameter.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void OpenItemL( TSmlDbItemUid aUid, TBool& aFieldChange, TInt& aSize, TSmlDbItemUid& aParent, HBufC8*& aMimeType, HBufC8*& aMimeVer, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const;
+	
+	/**
+	* Creates new item to Data Store.
+	* @param aUid. The Data Provider puts the UID of new item to this parameter. It can be also put just after commit method.
+	* @param aSize. The size of new item.
+	* @param aParent. The UID of parent of new item.
+	* @param aMimeType. The mime type of new item.
+	* @param aMimeVer. The mime version of new item.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void CreateItemL( TSmlDbItemUid& aUid, TInt aSize, TSmlDbItemUid aParent, const TDesC8& aMimeType, const TDesC8& aMimeVer, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode );
+	
+	/**
+	* Replaces old item at Data Store.
+	* @param aUid. The UID of item. If item is added to the Data Store then The Data Provider
+	*		 puts the UID of new item to this parameter. It can be also put just after commit method.
+	* @param aSize. The size of item.
+	* @param aParent. The UID of parent of item.
+	* @param aFieldChange. If this is true then replace is only partial,
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void ReplaceItemL( TSmlDbItemUid aUid, TInt aSize, TSmlDbItemUid aParent, TBool aFieldChange, TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode );
+	
+	/**
+	* Reads data from item at Data Store. Item must be opened before this method can be called.
+	* This method is called until aBuffer is not used totally or method leaves with KErrEof.
+	* @param aBuffer. The Data Provider puts readed data to this parameter,
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void ReadItemL( TDes8& aBuffer, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const;
+	
+	/**
+	* Writes data to item to Data Provider. CreateItemL or ReplaceItemL method must be called before
+	* this method can be called. This method is called until all data to current item is written.
+	* @param aData. The data that is written to item at Data Store,
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void WriteItemL( const TDesC8& aData, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode );
+	
+	/**
+	* After item is written to Data Provider it can be saved to the Data Store.
+	* This method can be called just after WriteItemL method.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void CommitItem( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode );
+	
+	/**
+	* Closes opened item.
+	* This method can be called just if some item is open.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void CloseItem( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode );
+	
+	/**
+	* Moves item to new location.
+	* @param aUid. The UID of item.
+	* @param aNewParent. The UID of new parent of item.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void MoveItemL( TSmlDbItemUid aUid, TSmlDbItemUid aNewParent, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode );
+	
+	/**
+	* Deletes one item at Data Store permanently.
+	* @param aUid. The UID of item.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void DeleteItemL( TSmlDbItemUid aUid, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const;
+	
+	/**
+	* Soft deletes one item at Data Store.
+	* @param aUid. The UID of item.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void SoftDeleteItemL( TSmlDbItemUid aUid, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const;
+	
+	/**
+	* Deletes all items at Data Store permanently.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void DeleteAllItems( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const;
+	
+	/**
+	* Checks if the Data Store has sync history. If not then slow sync is proposed to Sync Partner.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	* @return TBool. ETrue, if Data Store has sync history, EFalse otherwise.
+	*/
+	TBool HasSyncHistory( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const;
+	
+	/**
+	* The Data Provider returns UIDs of items that are added after previous synchronization.
+	* If the Data Provider uses hierarchical synchronization then added folders must be placed
+	* first (from root to leaves) to UID set and finally items.
+	* @param aUidSet. The set of added items.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void AddedItemsL( RNSmlDbItemModificationSet& aUidSet, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const;
+	
+	/**
+	* The Data Provider returns UIDs of items that are deleted after previous synchronization.
+	* If the Data Provider uses hierarchical synchronization then deleted items must be placed
+	* first to UID set and folders after items (from leaves to root).
+	* @param aUidSet. The set of deleted items.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void DeletedItemsL( RNSmlDbItemModificationSet& aUidSet, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const;
+	
+	/**
+	* The Data Provider returns UIDs of items that are soft deleted after previous synchronization.
+	* If the Data Provider uses hierarchical synchronization then soft deleted items must be placed
+	* first to UID set and folders after items (from leaves to root).
+	* @param aUidSet. The set of soft deleted items.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void SoftDeleteItemsL( RNSmlDbItemModificationSet& aUidSet, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const;
+	
+	/**
+	* The Data Provider returns UIDs of items that are modified after previous synchronization.
+	* If the Data Provider uses hierarchical synchronization then modified folders must be placed
+	* first (from root to leaves) to UID set and finally items.
+	* @param aUidSet. The set of modified items.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void ModifiedItemsL( RNSmlDbItemModificationSet& aUidSet, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const;
+	
+	/**
+	* The Data Provider returns UIDs of items that are moved after previous synchronization.
+	* If the Data Provider uses hierarchical synchronization then moved folders must be placed
+	* first (from root to leaves) to UID set and finally items.
+	* @param aUidSet. The set of moved items.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void MovedItemsL( RNSmlDbItemModificationSet& aUidSet, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const;
+			
+	/**
+	* The Data Provider returns UIDs of items that are added, deleted, modified, softdeleted or moved after previous synchronization.
+	* @param aUidSet. The set of items.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void AllItemsL( RNSmlDbItemModificationSet& aUidSet, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const;
+	
+	/**
+	* Reset change info from the Data Provider. The following synchronization will be slow sync.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void ResetChangeInfo( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const;
+	
+	/**
+	* This method is called after some changes are synchronized to Sync Partner. If some changes
+	* were synchronized correctly then those UIDs are included to aItems.
+	* @param aItems. The UIDs of items that were correctly synchronized to Sync Partner.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void CommitChangeInfoL( const MSmlDataItemUidSet& aItems, const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode );
+	
+	/**
+	* This method is called after some changes are synchronized to Sync Partner. This method is used if
+	* all changes were synchronized correctly.
+	* @param aId. The ID of Data Provider.
+	* @param aStoreName. The name of the data store that is used.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void CommitChangeInfo( const TSmlDataProviderId aId, const TDesC& aStoreName, TInt& aResultCode ) const;
+	
+	/**
+	* Replaces the give old server ID with new one.
+    * @param aOldServerId Old remote server ID.
+	* @param aNewValue New remote server ID.
+	* @param aResultCode. The result of method. KErrNone if everything goes correctly.
+	*/
+	void UpdateServerIdL( TDesC& aOldServerId, TDesC& aNewValue, TInt& aResultCode  );
+	
+private:
+	/**
+	* Starts Host Server.
+	* @param aServerExeName. The name of server.
+	* @return TInt. KErrNone or one of the system wide error codes.
+	*/
+	TInt LaunchServer( const TDesC& aServerName ) const;
+	
+	/**
+	* write stream with dynamic buffer.
+	* @return RWriteStream&. write stream to memory.
+	*/
+	TStreamBuffers* StreamBufferLC() const;
+	
+	/**
+	* handles clean up of stream buffer.
+	* @param aP. read stream.
+	*/
+	static void CleanupStreamBuffer( TAny* aP );
+	
+	/**
+	* Ensures that chunk has at least required size or max size of reserved memory.
+	* @param aRequiredSize. required size.
+	* 
+	*/
+	void AdjustChunkLC( TInt aRequiredSize ) const;
+	
+	/**
+	* Adjusts memory so that at least needed size is reserved.
+	* @param iNeededSize. Memory needed for chunk in bytes.
+	*/
+	void AdjustChunkIfNeededLC( TInt iNeededSize ) const;
+	
+	/**
+	* restores chunk memory.
+	* @param aP. pointer to TMemPtr
+	*/
+	static void CancelAdjust( TAny* aP );
+	
+	/**
+	* internalizes filters from stream
+	* @param aStream. source stream
+	* @param aFilters. filters read from stream.
+	*/
+	void InternalizeFiltersL( RReadStream& aStream, RPointerArray<CSyncMLFilter>& aFilters ) const;
+	
+	/**
+	* externalizes filters to stream
+	* @param aStream. target stream
+	* @param aFilters. filters to write.
+	*/
+	void ExternalizeFiltersL( RWriteStream& aStream, const RPointerArray<CSyncMLFilter>& aFilters ) const;
+	
+	/**
+	* creates filter from chunk
+	* @param aFilter. filter created
+	*/
+	void GetFilterFromChunkL( CNSmlFilter*& aFilter );
+	
+	void AddFilterPropertiesL( const RPointerArray<CSmlDataProperty>& properties, CNSmlFilter& aFilter ) const;
+
+private:
+
+	mutable RChunk					iChunk;				// Handle to chunk that is used to transfer data between client and server.
+	RPointerArray<TSmlDbItemUid> 	iAddedUidsBuffer;	// Added Uids are transferred back to client after Commit.
+	TSmlDbItemUid*					iAddedUidBuffer;	// Buffer for normal add command.
+	TInt							iMode;				// Normal, Batch or Transaction.
+	TNSmlDSItemState				iItemState;
+	};
+	
+#endif
+	
+// End of File
MCL/sf/mw/remotemgmt