public MruItem RemoveInTail(bool moveToRemoveList)
{
if (_tail != null)
{
Count--;
MruItem d = _tail.Data;
if (_tail.Previous != null)
{
_tail.Previous.Next = null;
_tail = _tail.Previous;
}
else
{
_tail = null;
_head = null;
}
//if (Collection != null)
//{
if (d.Value is Sop.DataBlock)
{
if (((DataBlock)d.Value).IsDirty)
{
if (moveToRemoveList && DataDriver != null && !RemovedObjects.ContainsKey(d.Key))
{
RemovedObjects.Add(d.Key, d.Value);
}
}
}
else if (moveToRemoveList && d.Value != null)
{
if (!RemovedObjects.ContainsKey(d.Key))
{
if (d.Value is IInternalPersistent)
{
if (((IInternalPersistent)d.Value).IsDirty)
{
RemovedObjects.Add(d.Key, d.Value);
}
}
else
{
RemovedObjects.Add(d.Key, d.Value);
}
}
}
//}
return(d);
}
return(null);
}
public MruItem <TKey, TValue> RemoveInTail(bool moveToRemoveList)
{
if (_tail != null)
{
Count--;
MruItem <TKey, TValue> d = _tail.Data;
if (_tail.Previous != null)
{
_tail.Previous.Next = null;
_tail = _tail.Previous;
}
else
{
_tail = null;
_head = null;
}
if (d.Value is Sop.DataBlock)
{
//** check whether this needs to be supported..
//if (((DataBlock)d.Value).IsDirty)
//{
// if (MoveToRemoveList && DataDriver != null && !RemovedObjects.ContainsKey(d.Value))
// RemovedObjects.Add(d.Value, d.Value);
//}
}
else if (moveToRemoveList)
{
/*d.Value != null && 90;*/
if (!RemovedObjects.ContainsKey(d.Key))
{
if (d.Value is IInternalPersistent)
{
if (((IInternalPersistent)d.Value).IsDirty)
{
RemovedObjects.Add(d.Key, d.Value);
}
}
else
{
RemovedObjects.Add(d.Key, d.Value);
}
}
}
return(d);
}
return(null);
}