--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mds_plat/metadata_engine_api/inc/mdeboolpropertycondition.h	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,106 @@
+/*
+* Copyright (c) 2005-2009 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:  Property conditions for boolean property values
+*
+*/
+
+
+#ifndef __MDEBOOLPROPERTYCONDITION_H__
+#define __MDEBOOLPROPERTYCONDITION_H__
+
+
+#include <mdepropertycondition.h>
+
+/* Forward declarations. */
+class CMdEPropertyDef;
+class CMdCSerializationBuffer;
+
+/**
+ * Property conditions for boolean property values. The condition is true 
+ * when the property's value matches the condition's boolean value.
+ */
+NONSHARABLE_CLASS(CMdEBoolPropertyCondition) : public CMdEPropertyCondition
+	{
+	public:
+
+	/**
+	 *  First-phase constructor
+	 */
+	static CMdEBoolPropertyCondition* NewL( const CMdEPropertyDef& aPropertyDef, 
+            TBool aValue );
+
+	/**
+	 *  First-phase constructor
+	 */
+	static CMdEBoolPropertyCondition* NewLC( const CMdEPropertyDef& aPropertyDef, 
+            TBool aValue );
+
+	/**
+	 * Destructor.
+	 */
+	virtual ~CMdEBoolPropertyCondition();
+
+
+	/* Methods. */
+
+    /**
+     * Returns the boolean condition value.
+     */
+    IMPORT_C TBool Value() const;
+
+    /**
+     * 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);
+
+    /**
+     * Get required size of serialized buffer when this is serialized.
+     *
+     * @return required size of serialized buffer
+     */
+    TUint32 RequiredBufferSize() const;
+
+    /**
+     * 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;
+    
+private:
+	/**
+	 * Constructor. 
+	 *
+	 * @param aValue  boolean value
+	 */
+	CMdEBoolPropertyCondition(const CMdEPropertyDef& aPropertyDef, 
+                              TBool aValue);
+
+	/**
+	 * Second-phase constructor.
+	 */
+	void ConstructL();
+
+private:
+
+    /** The boolean value to compare against. */
+    TBool iValue;
+    };
+
+#endif  // __MDEBOOLPROPERTYCONDITION_H__