--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PECengine/AttributeLibrary2/Src/CPEngSessionSlotObject.cpp	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,148 @@
+/*
+* Copyright (c) 2005 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:  Base class for session slot, reference counted objects.
+*
+*/
+
+// INCLUDE FILES
+#include <E32Std.h>
+#include "CPEngSessionSlotObject.h"
+#include "CPEngSessionSlotObjectCon.h"
+#include "CPEngSessionSlotId.h"
+
+
+//LOCAL constants
+namespace
+    {
+    _LIT( KPEngSlotObjectPanic, "AttrSlotObj" );
+    enum TPEngSlotObjectPanicReasons
+        {
+        ESlotObjAccessCountNegative,
+        ESlotObjHasAlreadyOwner,
+        };
+
+    void PanicSlotObj( TPEngSlotObjectPanicReasons aPanicReason )
+        {
+        User::Panic( KPEngSlotObjectPanic, aPanicReason );
+        }
+    }
+
+
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CPEngSessionSlotObject::CPEngSessionSlotObject
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CPEngSessionSlotObject::CPEngSessionSlotObject()
+        : iAccessCount( 1 )
+    {
+    }
+
+
+// Destructor
+CPEngSessionSlotObject::~CPEngSessionSlotObject()
+    {
+    delete iSlotId;
+
+    if ( iContainer )
+        {
+        iContainer->Remove( this );
+        }
+
+    if ( iOwner )
+        {
+        iOwner->Close();
+        }
+    }
+
+
+// -----------------------------------------------------------------------------
+// CPEngSessionSlotObject::Open()
+// -----------------------------------------------------------------------------
+//
+void CPEngSessionSlotObject::Open()
+    {
+    iAccessCount++;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CPEngSessionSlotObject::Close()
+// -----------------------------------------------------------------------------
+//
+void CPEngSessionSlotObject::Close()
+    {
+    __ASSERT_DEBUG( ( iAccessCount >= 1 ), PanicSlotObj( ESlotObjAccessCountNegative ) );
+
+    iAccessCount--;
+
+    if ( iAccessCount == 0 )
+        {
+        delete this;
+        }
+    }
+
+
+// -----------------------------------------------------------------------------
+// CPEngSessionSlotObject::ConstructL()
+// -----------------------------------------------------------------------------
+//
+void CPEngSessionSlotObject::ConstructL( const CPEngSessionSlotId& aSlotId )
+    {
+    iSlotId = aSlotId.CloneL();
+    }
+
+
+// -----------------------------------------------------------------------------
+// CPEngSessionSlotObject::SlotId()
+// -----------------------------------------------------------------------------
+//
+const CPEngSessionSlotId& CPEngSessionSlotObject::SlotId() const
+    {
+    return *iSlotId;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CPEngSessionSlotObject::SetOwner()
+// -----------------------------------------------------------------------------
+//
+void CPEngSessionSlotObject::SetOwner( CObject& aOwner )
+    {
+    __ASSERT_ALWAYS( !iOwner, PanicSlotObj( ESlotObjHasAlreadyOwner ) );
+
+    iOwner = &aOwner;
+    TInt val = iOwner->Open();     // CSI: 65 #
+    }
+
+
+
+// -----------------------------------------------------------------------------
+// CPEngSessionSlotObject::RefCount()
+// -----------------------------------------------------------------------------
+//
+TInt CPEngSessionSlotObject::RefCount() const
+    {
+    return iAccessCount;
+    }
+
+
+
+
+//  End of File