How to use

setOrdering

method

in

org.geotools.factory.FactoryRegistry

  set |= setOrdering(category, f1, f2);
} else if (c < 0) {
  set |= setOrdering(category, f2, f1);

  set |= setOrdering(category, f1, f2);
} else if (c < 0) {
  set |= setOrdering(category, f2, f1);

  /**
   * Helper method for the above.
   */
  private <T> boolean setOrUnsetOrdering(final Class<T> category, final boolean set,
                      final Filter service1, final Filter service2)
  {
    boolean done = false;
    T impl1 = null;
    T impl2 = null;
    for (final Iterator<? extends T> it=getServiceProviders(category, false); it.hasNext();) {
      final T factory = it.next();
      if (service1.filter(factory)) impl1 = factory;
      if (service2.filter(factory)) impl2 = factory;
      if (impl1!=null && impl2!=null && impl1!=impl2) {
        if (set) done |=   setOrdering(category, impl1, impl2);
        else     done |= unsetOrdering(category, impl1, impl2);
      }
    }
    return done;
  }
}

if (service2.filter(factory)) impl2 = factory;
if (impl1!=null && impl2!=null && impl1!=impl2) {
  if (set) done |=   setOrdering(category, impl1, impl2);
  else     done |= unsetOrdering(category, impl1, impl2);

final T other = it.next();
if (other != factory) {
  setOrdering(category, factory, other);

final Object other = it.next();
if (other != factory) {
  setOrdering(category, factory, other);