RedirectAuthoritativeDnsServerCache Class — netty Architecture

Source Code

resolver-dns/src/main/java/io/netty/resolver/dns/DnsResolveContext.java lines 580–608

    private static final class RedirectAuthoritativeDnsServerCache implements AuthoritativeDnsServerCache {
        private final AuthoritativeDnsServerCache wrapped;

        RedirectAuthoritativeDnsServerCache(AuthoritativeDnsServerCache authoritativeDnsServerCache) {
            wrapped = authoritativeDnsServerCache;
        }

        @Override
        public DnsServerAddressStream get(String hostname) {
            // To not risk falling into any loop, we will not use the cache while following redirects but only
            // on the initial query.
            return null;
        }

        @Override
        public void cache(String hostname, InetSocketAddress address, long originalTtl, EventLoop loop) {
            wrapped.cache(hostname, address, originalTtl, loop);
        }

        @Override
        public void clear() {
            wrapped.clear();
        }

        @Override
        public boolean clear(String hostname) {
            return wrapped.clear(hostname);
        }
    }