code: public void connectionClosed(Object linkLevelAttachement)
     {
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.entry(this, tc, "connectionClosed", linkLevelAttachement);
  
        try
        {
           // Get hold of MFP and inform it of connection closure
           CompHandshake ch = (CompHandshake) CompHandshakeFactory.getInstance();
           ch.compClose(this);
        }
        catch (Exception e1)
        {
           // No FFDC code needed
           if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) SibTr.debug(this, tc, "MFP unable to create CompHandshake Singleton", e1);
        }
  
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.exit(this, tc, "connectionClosed");
     }
docs: Called when the JFap channel has closed the underlying connection. At this point we can
  inform MFP so that they can delete the schema information that refered to this connection.
  
  @param linkLevelAttachement