public LRouteTableAction(String s){
  super(s);
  _logixManager=InstanceManager.getNullableDefault(jmri.LogixManager.class);
  _conditionalManager=InstanceManager.getNullableDefault(jmri.ConditionalManager.class);
  if ((_logixManager == null) || (_conditionalManager == null)) {
    setEnabled(false);
  }
  createModel();
}

public LRouteTableAction ( String s ) { super ( s ) ; _logixManager = InstanceManager . getNullableDefault ( jmri . LogixManager . class ) ; _conditionalManager = InstanceManager . getNullableDefault ( jmri . ConditionalManager . class ) ; if ( ( _logixManager == null ) || ( _conditionalManager == null ) ) { setEnabled ( false ) ; } createModel ( ) ; }
create an action with a specific title . < p > note that the argument is the action title , not the title of the resulting frame . perhaps this should be changed ?
