--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/metadataengine/client/inc/mdequerycriteriaserialization.h	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,179 @@
+/*
+* 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:  Serialize query criteria
+*
+*/
+
+#ifndef __MDEQUERYCRITERIASERIALIZATION_H__
+#define __MDEQUERYCRITERIASERIALIZATION_H__
+
+#include <e32cmn.h>
+#include <e32def.h>
+#include <e32des8.h>
+
+#include "mdccommon.h"
+#include "mdcserializationbuffer.h"
+#include "mdeorderrule.h"
+#include "mdscommoninternal.h"
+
+
+// forward declaration
+class CMdELogicCondition;
+class CMdENamespaceDef;
+class CMdEObjectDef;
+
+
+/**
+ * Query criteria serialization.
+ */
+NONSHARABLE_CLASS(CMdEQueryCriteriaSerialization) : public CBase
+	{
+	friend class CMdSFindSqlClause;
+	
+public:
+
+	/* Constructors and destructor. */
+
+	/**
+	 * Constructs a new serialized query criteria.
+	 * @param aResultMode Query's result type
+	 * @param aQueryType  Type of query
+	 * @param aNamespaceDef namespace definition
+	 * @param aObjectDef 
+	 * @param aObjectDefs
+	 * @param aLimit 
+	 * @param aOffset
+	 * @param aQueryOptimizationFlags query optimization flags
+	 * @param aRootCondition the root condition
+	 * @param aOrderRule array of order rules
+	 * @param aPropertyFilter array of property filters
+	 * 
+	 * @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 CMdEQueryCriteriaSerialization* NewL(
+		TQueryResultMode aResultMode, 
+		TQueryType aQueryType, CMdENamespaceDef& aNamespaceDef, 
+		CMdEObjectDef* aObjectDef, RPointerArray<CMdEObjectDef>* aObjectDefs, 
+		TUint32 aLimit, TUint32 aOffset, TUint32 aQueryOptimizationFlags, 
+		CMdELogicCondition& aRootCondition, 
+		RArray<TMdEOrderRule>& aOrderRule, RPointerArray<CMdEPropertyDef>* aPropertyFilter);
+
+	/**
+	 * Constructs a new serialized query criteria and leaves it in the
+	 * cleanup stack.
+	 * @param aResultMode Query's result type
+	 * @param aQueryType  Type of query
+	 * @param aNamespaceDef namespace definition
+	 * @param aObjectDef 
+	 * @param aObjectDefs
+	 * @param aLimit 
+	 * @param aOffset
+	 * @param aQueryOptimizationFlags query optimization flags
+	 * @param aRootCondition the root condition
+	 * @param aOrderRule array of order rules
+	 * @param aPropertyFilter array of property filters
+	 *
+	 * @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 CMdEQueryCriteriaSerialization* NewLC(
+		TQueryResultMode aResultMode, 
+		TQueryType aQueryType, CMdENamespaceDef& aNamespaceDef, 
+		CMdEObjectDef* aObjectDef, RPointerArray<CMdEObjectDef>* aObjectDefs, 
+		TUint32 aLimit, TUint32 aOffset, TUint32 aQueryOptimizationFlags, 
+		CMdELogicCondition& aRootCondition, 
+		RArray<TMdEOrderRule>& aOrderRule, RPointerArray<CMdEPropertyDef>* aPropertyFilter);
+
+	/**
+	 * Constructs a new serialized query criteria.
+	 * @param aSerializationBuffer serialized query
+	 *
+	 * @return  query criteria serialization instance
+	 */
+	static CMdEQueryCriteriaSerialization* NewL(CMdCSerializationBuffer& aSerializationBuffer);
+
+	/**
+	 * Constructs a new serialized query criteria and leaves it in the
+	 * cleanup stack.
+	 * @param aSerializationBuffer serialized query
+	 *
+	 * @return  query criteria serialization instance
+	 */
+	static CMdEQueryCriteriaSerialization* NewLC(CMdCSerializationBuffer& aSerializationBuffer);
+
+	/**
+	 * Destructor.
+	 */
+	virtual ~CMdEQueryCriteriaSerialization();
+
+    /**
+    * 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();
+
+private:
+
+	/* Constructors. */
+
+	/**
+	 * Constructor.
+	 */
+	CMdEQueryCriteriaSerialization(TBool aOwnSerializedBuffer);
+
+	/**
+	 * Second-phase constructor.
+	 *
+	 * @param aResultMode  result mode to serialize
+	 * @param aQueryType  query type to serialize
+	 * @param aLimit  limit to serialize
+	 * @param aOffset  offset to serialize
+	 * @param aCondition  root logic condition to serialize
+	 * @param aOrderRule  order rules to serialize
+	 * @param aPropertyFilter  property filters to serialize
+	 */
+	void ConstructL( TQueryResultMode aResultMode, TQueryType aQueryType, 
+					 CMdENamespaceDef& aNamespaceDef, 
+					 CMdEObjectDef* aObjectDef, RPointerArray<CMdEObjectDef>* aObjectDefs, 
+					 TUint32 aLimit, TUint32 aOffset, TUint32 aQueryOptimizationFlags, 
+					 CMdELogicCondition& aRootCondition, RArray<TMdEOrderRule>& aOrderRules, 
+					 RPointerArray<CMdEPropertyDef>* aPropertyFilter );
+	
+private:
+
+    /** Serialized query criteria. */
+    CMdCSerializationBuffer* iSerializedBuffer;
+
+    /** Does own serialized buffer. */
+    const TBool iOwnSerializedBuffer;
+	};
+
+
+#endif  // __MDEQUERYCRITERIASERIALIZATION_H__