public static OldCleanState GetInstance()
{
if (_instance == null)
{
lock (SyncRoot)
{
if (_instance == null)
{
_instance = new OldCleanState();
}
}
}
return(_instance);
}
public override void Commit(APersistenceObject persistenceObject)
{
PersistenceFacade.GetInstance().Insert(persistenceObject);
persistenceObject.PreviousState = this;
persistenceObject.State = OldCleanState.GetInstance();
}
internal void MarkOldClean()
{
_previousState = _state;
_state = OldCleanState.GetInstance();
}