public List getChildrenKeys()

in mode/cluster/repository/nacos/src/main/java/org/apache/shardingsphere/mode/repository/cluster/nacos/NacosRepository.java [177:196]

• 20 lines of code
• 5 McCabe index (conditional complexity)

    public List<String> getChildrenKeys(final String key) {
        try {
            Stream<String> concatKeys = Stream.empty();
            for (ServiceMetaData each : serviceController.getAllServices()) {
                Stream<String> keys = findExistedInstance(each.isEphemeral()).stream()
                        .map(instance -> {
                            String fullPath = NacosMetaDataUtils.getKey(instance);
                            if (fullPath.startsWith(key + PATH_SEPARATOR)) {
                                String pathWithoutPrefix = fullPath.substring((key + PATH_SEPARATOR).length());
                                return pathWithoutPrefix.contains(PATH_SEPARATOR) ? pathWithoutPrefix.substring(0, pathWithoutPrefix.indexOf(PATH_SEPARATOR)) : pathWithoutPrefix;
                            }
                            return null;
                        }).filter(Objects::nonNull);
                concatKeys = Stream.concat(concatKeys, keys);
            }
            return concatKeys.distinct().sorted(Comparator.reverseOrder()).collect(Collectors.toList());
        } catch (final NacosException ex) {
            throw new ClusterRepositoryPersistException(ex);
        }
    }