--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/meetingrequest/mrservices/inc/cesmrconflictchecker.h	Wed Mar 31 21:08:33 2010 +0300
@@ -0,0 +1,94 @@
+/*
+* Copyright (c) 2007-2009 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:  ESMR calendar entry conflict checker
+*
+*/
+
+
+#ifndef CESMRCONFLICTCHECKER_H
+#define CESMRCONFLICTCHECKER_H		
+
+#include <e32base.h>
+#include <calcommon.h>
+
+class CCalEntry;
+class MESMRCalDbMgr;
+
+/**
+ *  CESMRConflictChecker is responsible for finding
+ *  conflicting entries from symbian calendar database.
+ *
+ *  @lib esmrentry.lib
+ */
+NONSHARABLE_CLASS(CESMRConflictChecker) :
+        public CBase
+    {
+public: // Construction and destruction
+    /**
+     * Two-phased constructor. Creates and initializes
+     * CESMRConflictChecker object.
+     * @param aDbMgr Reference to cal db manager.
+     * @return Pointer to esmr policy checker object.
+     */
+    IMPORT_C static CESMRConflictChecker* NewL(
+            MESMRCalDbMgr& aDbMgr );
+
+    /**
+     * C++ destructor.
+     */
+    IMPORT_C ~CESMRConflictChecker();
+
+public: // Interface
+    /**
+     * Finds conflicting entries. Conflicting entries are
+     * stored to table given as parameter. Ownership of the
+     * conflicting entries are transferred to caller.
+     *
+     * @param aEntry Reference to calendar entry
+     * @param aConflicts Reference to calendar entry table
+     */
+    IMPORT_C void FindConflictsL(
+            const CCalEntry& aEntry,
+            RPointerArray<CCalEntry>& aConflicts );
+
+    /**
+     * Finds instances for this entry occuring between specified
+     * time range, that are in conflict with given entry. 
+     * Ownership of the conflicting entries are transferred to caller.
+     * @param aStart Start time
+     * @param aEnd End time
+     * @param aEntry Reference to entry
+     * @param aColId Collection id of the entry
+     * @param aInstances On return contains the conflicting instances 
+     * 
+     */
+    IMPORT_C void FindInstancesForEntryL(
+            TTime aStart, 
+            TTime aEnd,
+            const CCalEntry& aEntry,
+            TCalCollectionId aColId,
+            RPointerArray<CCalEntry>& aInstances );
+
+private: // Implementation
+    CESMRConflictChecker(
+            MESMRCalDbMgr& aDbMgr );
+
+private: // Data
+    /// Ref: Reference to cal db manager
+    MESMRCalDbMgr& iDbMgr;
+    };
+
+#endif // CESMRCONFLICTCHECKER_H
+
+// EOF