package polly.rx.core.orion; import java.util.Collection; import polly.rx.core.orion.model.Portal; import polly.rx.core.orion.model.Sector; public interface PortalUpdater { public void addPortalListener(PortalListener listener); public void removePortalListener(PortalListener listener); public Collection<? extends Portal> updatePortals(String reporter, Sector sector, Collection<?extends Portal> portals) throws OrionException; }