@Override public void nodeDown(Topology topology,long eventUID,String nodeID){
  if (targetServerID.equals(nodeID)) {
    decideOnAction(topology);
  }
}

@ Override public void nodeDown ( Topology topology , long eventUID , String nodeID ) { if ( targetServerID . equals ( nodeID ) ) { decideOnAction ( topology ) ; } }
if the node going down is the node we are replicating from then decide on an action .
