--- /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__