--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/inc/ncdpurchasehistoryfilter.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,80 @@
+/*
+* Copyright (c) 2006 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:   Definition of purchase history filter interface and
+*                implementation class.
+*
+*/
+
+
+#ifndef M_NCD_PURCHASE_HISTORY_FILTER_H
+#define M_NCD_PURCHASE_HISTORY_FILTER_H
+
+#include <e32base.h>
+
+#include "catalogsbase.h"
+
+/**
+ *  Purchase history filter interface.
+ *
+ *  Allows setting of client uid(s), entity namespace and id, and event id
+ *  for filtering purchase history information.
+ *
+ *  
+ *  @see MNcdPurchaseHistory::PurchaseIdsL()
+ */
+
+class MNcdPurchaseHistoryFilter
+    {
+
+public:
+    
+    /**
+     * Get client UIDs used in this filter. Purchase events have client UID to
+     * indicate the creator of the event.
+     *
+     * 
+     * @return Array of client UIDs. If empty, all client UIDs match.
+     */
+    virtual const TArray< TUid > ClientUids() const = 0;
+
+
+    /**
+     * Get the namespace used in this filter.
+     *
+     * 
+     * @return Namespace. If empty string, all namespaces match.
+     */
+    virtual const TDesC& Namespace() const = 0;
+
+
+    /**
+     * Get entity ID used in this filter.
+     *
+     * 
+     * @return Entity ID. If empty string, all entity ids match.
+     */
+    virtual const TDesC& EntityId() const = 0;
+
+    /**
+     * Get event ID used in this filter.
+     *
+     * 
+     * @return Event ID. Only purchases with a larger event id will match. 
+     */
+    virtual TUint EventId() const = 0;
+
+    };
+
+
+#endif // M_NCD_PURCHASE_HISTORY_FILTER_H