public void addEntity(final OdorWorldEntity entity){
  entity.setId(entityIDGenerator.getId());
  entityList.add(entity);
  fireEntityAdded(entity);
  recomputeMaxStimulusLength();
}

public void addEntity ( final OdorWorldEntity entity ) { entity . setId ( entityIDGenerator . getId ( ) ) ; entityList . add ( entity ) ; fireEntityAdded ( entity ) ; recomputeMaxStimulusLength ( ) ; }
add an odor world entity .
