--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/metadataengine/server/inc/mdsquerycriteriadeserialization.h	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,177 @@
+/*
+* Copyright (c) 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:  Class to deserialize client query cliteria
+*
+*/
+
+#ifndef __MDSQUERYCRITERIADESERIALIZATION_H__
+#define __MDSQUERYCRITERIADESERIALIZATION_H__
+
+#include <e32cmn.h>
+#include <e32def.h>
+#include <e32des8.h>
+
+#include "mdccommon.h"
+#include "mdcserializationbuffer.h"
+// added for serialization definitions !!
+#include "mdscommoninternal.h"
+// end
+
+/**
+ * Query criteria serialization.
+ */
+class CMdSQueryCriteriaDeserialization : public CBase
+	{
+	friend class CMdSFindSqlClause;
+	
+public:
+
+	/* Constructors and destructor. */
+
+	/**
+	 * Constructs a new serialized query criteria.
+	 * @param aCondition  root logic condition to serialize
+	 *
+	 * @return  query criteria serialization instance
+	 *
+	 * @leave KErrNotSupported result mode and query type don't match
+	 * @leave KErrCompletion   result mode is EModeDistinctValues and query 
+	 *                         criteria is incorrect
+	 */
+	static CMdSQueryCriteriaDeserialization* NewL(CMdCSerializationBuffer& aSerializationBuffer);
+
+	/**
+	 * Constructs a new serialized query criteria and leaves it in the
+	 * cleanup stack.
+	 * @param aCondition  root logic condition to serialize
+	 *
+	 * @return  query criteria serialization instance
+	 *
+	 * @leave KErrNotSupported result mode and query type don't match
+	 * @leave KErrCompletion   result mode is EModeDistinctValues and query 
+	 *                         criteria is incorrect
+	 */
+	static CMdSQueryCriteriaDeserialization* NewLC(CMdCSerializationBuffer& aSerializationBuffer);
+
+	/**
+	 * Destructor.
+	 */
+	virtual ~CMdSQueryCriteriaDeserialization();
+
+    /**
+    * Returns pointer to the serialized data (read only)
+    */
+    TPtr8 Buffer() const;
+
+    /**
+    * Returns pointer to the serialized data (read only)
+    */
+    const TPtr8* BufferPtr() const;
+    
+    /**
+    * Returns pointer to the serialization buffer
+    */
+    CMdCSerializationBuffer& SerializationBuffer();
+
+protected:
+
+	/**
+	* Returns query's result mode.
+	*
+	* @return query result mode
+	*/
+	TQueryResultMode ResultModeL();
+
+	/**
+	* Returns query's type.
+	*
+	* @return query type
+	*/
+	TQueryType QueryTypeL();
+
+	/**
+	* Returns query's namespace definition ID.
+	*
+	* @return namespace definition ID
+	*/
+	TDefId NamespaceDefIdL();
+
+	/**
+	* Returns query's object definition ID.
+	*
+	* @return object definition ID
+	*/
+	TDefId ObjectDefIdL();
+
+	/**
+	* Moves position to begin of query's object definitions IDs.
+	* 
+	* @return if offset is KNoOffset return EFalse, else return ETrue and move 
+	*         to that position
+	*/
+	TBool ObjectDefsIdsL();
+
+	/**
+	* Returns query's result's limit value.
+	*
+	* @return limit value
+	*/
+	TUint32 LimitL();
+
+	/**
+	* Returns query's internal optimization flags.
+	*
+	* @return query's internal optimization flags
+	*/
+	TUint32 OptimizationFlagsL();
+
+	/**
+	* Returns query's result's offset value.
+	*
+	* @return offset value
+	*/
+	TUint32 OffsetL();
+
+	/**
+	* Moves position to begin of query's root condition.
+	*/
+	void RootConditionL();
+
+	/**
+	* Moves position to begin of query's order rules.
+	*/
+	void OrderRulesL();
+
+	/**
+	* Moves position to begin of query's property filter.
+	*/
+	void PropertyFiltersL();
+
+private:
+
+	/* Constructors. */
+
+	/**
+	 * Constructor.
+	 */
+	CMdSQueryCriteriaDeserialization(CMdCSerializationBuffer& aSerializedBuffer);
+	
+private:
+
+    /** Serialized query criteria. */
+    CMdCSerializationBuffer& iSerializedBuffer;
+	};
+
+
+#endif  // __MDEQUERYCRITERIASERIALIZATION_H__