videocollection/mpxmyvideoscollection/tsrc/ut_vcxmyvideosmdsdb/inc/mdeobjectquery.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/videocollection/mpxmyvideoscollection/tsrc/ut_vcxmyvideosmdsdb/inc/mdeobjectquery.h Tue May 25 12:44:54 2010 +0300
@@ -0,0 +1,137 @@
+/*
+* 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: Interface for object query
+*
+*/
+
+
+#ifndef __MDEOBJECTQUERY_H__
+#define __MDEOBJECTQUERY_H__
+
+
+#include <mdequery.h>
+
+/* Forward declarations. */
+class CMdEObject;
+class CMdEObjectDef;
+class CMdEPropertyDef;
+class CMdEObjectDef;
+class CMdESession;
+
+/**
+ * A query that fetches a set of objects from the metadata engine database.
+ */
+NONSHARABLE_CLASS(CMdEObjectQuery) : public CMdEQuery
+ {
+public:
+
+ /* Constructors and destructor. */
+
+ /**
+ * Destructor.
+ */
+ virtual ~CMdEObjectQuery();
+
+
+ /* Methods. */
+
+
+ /**
+ * Adds new propertyfilter. Propertyfilters determines which properties
+ * are included in result.
+
+ * @param aPropertyDef property definition of property which is wanted to
+ be part of result.
+ */
+ IMPORT_C void AddPropertyFilterL( const CMdEPropertyDef* aPropertyDef );
+
+ /**
+ Clears propertyfilters. After call to this function all properties are
+ returned unless call to <code>AddPropertyFilterL</code> is done.
+ */
+
+ IMPORT_C void ResetPropertyFilter();
+
+ /**
+ * Returns one of the result objects.
+ *
+ * @return The result object that was requested. The query retains
+ * ownership of the returned object.
+ */
+ IMPORT_C CMdEObject& Result(TInt aIndex) const;
+
+ /**
+ * Returns query's object definition.
+ *
+ * @return object definition.
+ */
+ IMPORT_C CMdEObjectDef& ObjectDef() const;
+
+ CMdEObjectQuery();
+
+public:
+ RPointerArray<CMdEPropertyDef>& PropertyFilter();
+
+ RPointerArray<CMdEObjectDef>* ObjectDefs() const;
+
+ CMdEObjectQuery(CMdESession& aSession, CMdENamespaceDef& aNamespaceDef,
+ CMdEObjectDef& aObjectDef, RPointerArray<CMdEObjectDef>* aObjectDefs);
+
+protected:
+
+ /* Constructors. */
+
+ /**
+ * Constuctor.
+ *
+ * @param aSession Session.
+ */
+
+ /**
+ * Second-phase constructor.
+ */
+ void ObjectQueryConstructL();
+
+ virtual void DoCancel();
+
+private:
+
+ /* Private methods. */
+
+
+private:
+
+ /**
+ * Properties to include when fetching results. Empty, if
+ * all available properties should be fetched.
+ */
+ RPointerArray<CMdEPropertyDef> iPropertyFilters;
+
+ /**
+ * Query's object definition.
+ */
+ CMdEObjectDef& iObjectDef;
+
+ /**
+ * Query's object definition.
+ */
+ RPointerArray<CMdEObjectDef>* iObjectDefs;
+
+ /**
+ * Speed optimization to drop freetexts from results.
+ */
+ TBool iFreetextsInResult;
+ };
+
+#endif // __MDEOBJECTQUERY_H__