--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/metadataengine/server/src/mdsobjectlocklist.cpp Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,117 @@
+/*
+* 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: Object locking features
+*
+*/
+
+#include "mdsobjectlocklist.h"
+#include "mdsnamespacedef.h"
+
+CMdSObjectLockList* CMdSObjectLockList::NewL()
+ {
+ CMdSObjectLockList* self = CMdSObjectLockList::NewLC();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+
+CMdSObjectLockList* CMdSObjectLockList::NewLC()
+ {
+ CMdSObjectLockList* self = new ( ELeave ) CMdSObjectLockList();
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ return self;
+ }
+
+void CMdSObjectLockList::ConstructL()
+ {
+ iLockListArray.Reset();
+ }
+
+CMdSObjectLockList::~CMdSObjectLockList()
+ {
+ iLockListArray.Close();
+ }
+
+void CMdSObjectLockList::LockObjectL( const CMdSServerSession& aSession,
+ const CMdsNamespaceDef& aNamespace, const TItemId aObjectId )
+ {
+ User::LeaveIfError( iLockListArray.InsertInOrder(
+ TMdSLockEntry( &aSession, aNamespace, aObjectId ),
+ TLinearOrder<TMdSLockEntry>(TMdSLockEntry::Compare) ) );
+ }
+
+void CMdSObjectLockList::UnlockBySession( const CMdSServerSession& aSession )
+ {
+ for (TInt i = iLockListArray.Count() - 1; i >= 0; --i)
+ {
+ if ( iLockListArray[i].iSession == &aSession ) // pointer comparision
+ {
+ iLockListArray.Remove(i);
+ }
+ }
+ }
+
+void CMdSObjectLockList::UnlockById( const CMdsNamespaceDef& aNamespace,
+ const TItemId aObjectId )
+ {
+ TInt position = Find( aNamespace, aObjectId );
+ if (position >= 0)
+ {
+ iLockListArray.Remove(position);
+ }
+
+ }
+
+TBool CMdSObjectLockList::IsLocked( const CMdsNamespaceDef& aNamespace,
+ const TItemId aObjectId ) const
+ {
+ const TInt position = Find( aNamespace, aObjectId );
+ if (position >= 0)
+ {
+ return ETrue;
+ }
+ return EFalse;
+ }
+
+TInt CMdSObjectLockList::Find( const CMdsNamespaceDef& aNamespace,
+ const TItemId aObjectId ) const
+ {
+ TInt position;
+ TInt err = iLockListArray.FindInOrder( TMdSLockEntry(
+ (const CMdSServerSession*)NULL, aNamespace, aObjectId ),
+ position, TLinearOrder<TMdSLockEntry>(TMdSLockEntry::Compare) );
+
+ if (err != KErrNone)
+ {
+ position = -1;
+ }
+ return position;
+ }
+
+void CMdSObjectLockList::Reset()
+ {
+ iLockListArray.Reset();
+ }
+
+TInt TMdSLockEntry::Compare( const TMdSLockEntry& aFirst, const
+ TMdSLockEntry& aSecond )
+ {
+ TInt result = aFirst.iNamespace.GetId() - aSecond.iNamespace.GetId();
+ if ( result )
+ {
+ return result;
+ }
+ return aFirst.iId - aSecond.iId;
+ }