@Override protected Map<Path, Distribution> operate(final PasswordCallback callback, final Path file) throws BackgroundException { final DistributionConfiguration feature = session.getFeature(DistributionConfiguration.class); if(null == feature) { return Collections.emptyMap(); } final AttributedList<Path> containers = new SwiftContainerListService(session, new SwiftLocationFeature.SwiftRegion(session.getHost().getRegion())).list(file, new DisabledListProgressListener()); final Map<Path, Distribution> distributions = new ConcurrentHashMap<>(); for(Path container : containers) { for(Distribution.Method method : feature.getMethods(container)) { final Distribution distribution = feature.read(container, method, new DisabledLoginCallback()); if(log.isInfoEnabled()) { log.info(String.format("Cache distribution %s", distribution)); } distributions.put(container, distribution); } } return distributions; } }