@Override public void eventHappened(MapEvent event){
  if (event.getType() == MapEvent.Type.MAP_CLEARED || event.getType() == MapEvent.Type.MAP_NEW) {
    entityFinder=null;
    updateResults(true);
  }
}

@ Override public void eventHappened ( MapEvent event ) { if ( event . getType ( ) == MapEvent . Type . MAP_CLEARED || event . getType ( ) == MapEvent . Type . MAP_NEW ) { entityFinder = null ; updateResults ( true ) ; } }
resets find results after map changes .
