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Interface grendel.view.MessageSetViewObserver

Anyone who wants to know when messages are added, removed, or tweaked in a MessageSetView can implement this and add themselves to that MessageSetView's list of observers.

public interface  MessageSetViewObserver
{
          // Methods 1
     public abstract void messagesChanged(Enumeration, Enumeration, Enumeration);
}

• messagesChanged

   public abstract void messagesChanged(Enumeration inserted, 
                                        Enumeration deleted, 
                                        Enumeration changed) 

Some messages changed. Each enumeration parameter might be null, or it might be an enumeration of ViewedMessage objects.

Parameter	Description
inserted	new messages that have appeared
deleted	old messages that are no longer considered part of the MessageSetView
changed	Messages that have had their internals tweaked in some way

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