io.netty.resolver.dns

Interface AuthoritativeDnsServerCache

All Known Implementing Classes:

DefaultAuthoritativeDnsServerCache, NoopAuthoritativeDnsServerCache

public interface AuthoritativeDnsServerCache

Cache which stores the nameservers that should be used to resolve a specific hostname.

Method Summary

Modifier and Type	Method and Description
void	cache(String hostname, InetSocketAddress address, long originalTtl, EventLoop loop) Caches a nameserver that should be used to resolve the given hostname.
void	clear() Clears all cached nameservers.
boolean	clear(String hostname) Clears the cached nameservers for the specified hostname.
DnsServerAddressStream	get(String hostname) Returns the cached nameservers that should be used to resolve the given hostname.

Method Detail

get

DnsServerAddressStream get(String hostname)

Returns the cached nameservers that should be used to resolve the given hostname. The returned DnsServerAddressStream may contain unresolved InetSocketAddresses that will be resolved when needed while resolving other domain names.

Parameters:

hostname - the hostname

Returns:

the cached entries or an null if none.

cache

void cache(String hostname,
           InetSocketAddress address,
           long originalTtl,
           EventLoop loop)

Caches a nameserver that should be used to resolve the given hostname.

Parameters:

hostname - the hostname

address - the nameserver address (which may be unresolved).

originalTtl - the TTL as returned by the DNS server

loop - the EventLoop used to register the TTL timeout

clear

void clear()

Clears all cached nameservers.

See Also:

clear(String)

clear

boolean clear(String hostname)

Clears the cached nameservers for the specified hostname.

Returns:

true if and only if there was an entry for the specified host name in the cache and it has been removed by this method