}
if ( machine instanceof IEnergyWatcherHost )
{
IEnergyWatcherHost swh = (IEnergyWatcherHost) machine;
EnergyWatcher iw = new EnergyWatcher( this, swh );
watchers.put( node, iw );
swh.updateWatcher( iw );
}
myGrid.postEventTo( node, new MENetworkPowerStatusChange() );