--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mds_plat/metadata_engine_api/inc/mderangepropertycondition.h Wed Oct 06 15:08:08 2010 +0300
@@ -0,0 +1,171 @@
+/*
+* 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: Represents value range of property condition
+*
+*/
+
+
+#ifndef __MDERANGEPROPERTYCONDITION_H__
+#define __MDERANGEPROPERTYCONDITION_H__
+
+
+#include <mdepropertycondition.h>
+#include <mderange.h>
+
+/* Forward declarations. */
+class CMdEPropertyDef;
+class CMdCSerializationBuffer;
+
+class TMdESerializeRangePropertyCondition
+{
+public:
+ static void SerializeL( CMdCSerializationBuffer& aBuffer,
+ const CMdEPropertyCondition& aPropertyCondition,
+ TMdERangeType aType, const void* aMin, const void* aMax,
+ TInt aValueSize, TMdCOffset& aFreespaceOffset );
+ static TUint32 RequiredBufferSize( TInt aValueSize );
+};
+
+/**
+ * Instances of CMdERangePropertyCondition are associated with a specific
+ * property definition.
+ */
+template <TConditionType KConditionType, class T>
+NONSHARABLE_CLASS(CMdERangePropertyCondition) : public CMdEPropertyCondition
+ {
+public:
+ /* Constructors and destructor. */
+
+ /**
+ * Two-phased constructor.
+ */
+ static CMdERangePropertyCondition* NewL( const CMdEPropertyDef& aPropertyDef,
+ const TMdERange<T>& aValueRange)
+ {
+ CMdERangePropertyCondition* self =
+ CMdERangePropertyCondition::NewLC( aPropertyDef, aValueRange );
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+ /**
+ * Two-phased constructor.
+ */
+ static CMdERangePropertyCondition* NewLC( const CMdEPropertyDef& aPropertyDef,
+ const TMdERange<T>& aValueRange)
+ {
+ CMdERangePropertyCondition* self =
+ new ( ELeave ) CMdERangePropertyCondition( aPropertyDef, aValueRange );
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ return self;
+ }
+
+
+ /**
+ * Destructor.
+ */
+ virtual ~CMdERangePropertyCondition()
+ {
+ }
+
+
+ /* Methods. */
+
+ /**
+ * Returns the range of the property condition.
+ *
+ * @return Range.
+ */
+ inline const TMdERange<T>& Range() const
+ {
+ return iRange;
+ }
+
+ /**
+ * Get possible query's internal optimization flags from condition.
+ *
+ * @param aFlaga query's internal optimization flags
+ * @return last level internal optimization flags
+ */
+ TUint32 InternalQueryOptimizationFlags(TUint32& aFlags)
+ {
+ return CMdEPropertyCondition::InternalQueryOptimizationFlags(aFlags);
+ }
+
+ /**
+ * Get required size of serialized buffer when this is serialized.
+ *
+ * @return required size of serialized buffer
+ */
+ TUint32 RequiredBufferSize() const
+ {
+ return TMdESerializeRangePropertyCondition::RequiredBufferSize(
+ sizeof(T) );
+ }
+
+ /**
+ * Serialize own data to serialized buffer (correct position must be set
+ * before calling) and return new position of serialized buffer.
+ *
+ * @param aBuffer serialized buffer.
+ */
+ void SerializeL(CMdCSerializationBuffer& aBuffer,
+ TMdCOffset& aFreespaceOffset) const
+ {
+ TMdESerializeRangePropertyCondition::SerializeL( aBuffer, *this, iRange.Type(),
+ &iRange.Min(), &iRange.Max(), sizeof(T), aFreespaceOffset );
+ }
+
+protected:
+
+ /* Utility methods. */
+
+
+private:
+
+ /* Private methods. */
+ /**
+ * Constructor.
+ *
+ * @param aType type of the condition node
+ */
+ CMdERangePropertyCondition(const CMdEPropertyDef& aPropertyDef,
+ const TMdERange<T>& aValueRange)
+ : CMdEPropertyCondition(KConditionType, aPropertyDef),
+ iRange(aValueRange)
+ {
+ }
+
+private:
+
+ /** The value range that is valid for the condition. */
+ TMdERange<T> iRange;
+ };
+
+
+/* The actual RangePropertyConditions. */
+
+#define MDE_DEFINE_RANGE_CONDITION(RangeType) \
+ typedef CMdERangePropertyCondition<EConditionTypeProperty##RangeType##Range, T##RangeType> CMdE##RangeType##RangePropertyCondition;
+
+MDE_DEFINE_RANGE_CONDITION(Int)
+MDE_DEFINE_RANGE_CONDITION(Int64)
+MDE_DEFINE_RANGE_CONDITION(Uint)
+MDE_DEFINE_RANGE_CONDITION(Real)
+MDE_DEFINE_RANGE_CONDITION(Time)
+
+#undef MDE_DEFINE_RANGE_CONDITION
+
+#endif // __MDERANGEPROPERTYCONDITION_H__