io.netty.resolver.dns

接口 DnsCnameCache

所有已知实现类:

DefaultDnsCnameCache, NoopDnsCnameCache

public interface DnsCnameCache

A cache for CNAMEs.

方法概要

限定符和类型	方法和说明
void	cache(java.lang.String hostname, java.lang.String cname, long originalTtl, EventLoop loop) Caches a cname entry that should be used for the given hostname.
void	clear() Clears all cached nameservers.
boolean	clear(java.lang.String hostname) Clears the cached nameservers for the specified hostname.
java.lang.String	get(java.lang.String hostname) Returns the cached cname for the given hostname.

方法详细资料

get

java.lang.String get(java.lang.String hostname)

Returns the cached cname for the given hostname.

参数:

hostname - the hostname

返回:

the cached entries or an null if none.

cache

void cache(java.lang.String hostname,
           java.lang.String cname,
           long originalTtl,
           EventLoop loop)

Caches a cname entry that should be used for the given hostname.

参数:

hostname - the hostname

cname - the cname mapping.

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.

另请参阅:

clear(String)

clear

boolean clear(java.lang.String hostname)

Clears the cached nameservers for the specified hostname.

返回:

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