io.netty.resolver.dns

类 NoopDnsCache

java.lang.Object

io.netty.resolver.dns.NoopDnsCache

所有已实现的接口:

DnsCache

public final class NoopDnsCache
extends java.lang.Object
implements DnsCache

A noop DNS cache that actually never caches anything.

字段概要

字段

限定符和类型	字段和说明
static NoopDnsCache	INSTANCE

方法概要

限定符和类型	方法和说明
DnsCacheEntry	cache(java.lang.String hostname, DnsRecord[] additional, java.net.InetAddress address, long originalTtl, EventLoop loop) Create a new DnsCacheEntry and cache a resolved address for a given hostname.
DnsCacheEntry	cache(java.lang.String hostname, DnsRecord[] additional, java.lang.Throwable cause, EventLoop loop) Cache the resolution failure for a given hostname.
void	clear() Clears all the resolved addresses cached by this resolver.
boolean	clear(java.lang.String hostname) Clears the resolved addresses of the specified host name from the cache of this resolver.
java.util.List<? extends DnsCacheEntry>	get(java.lang.String hostname, DnsRecord[] additionals) Return the cached entries for the given hostname.
java.lang.String	toString()

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

字段详细资料

INSTANCE

public static final NoopDnsCache INSTANCE

方法详细资料

clear

public void clear()

从接口复制的说明: DnsCache

Clears all the resolved addresses cached by this resolver.

指定者:

clear 在接口中 DnsCache

另请参阅:

DnsCache.clear(String)

clear

public boolean clear(java.lang.String hostname)

从接口复制的说明: DnsCache

Clears the resolved addresses of the specified host name from the cache of this resolver.

指定者:

clear 在接口中 DnsCache

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

get

public java.util.List<? extends DnsCacheEntry> get(java.lang.String hostname,
                                                   DnsRecord[] additionals)

从接口复制的说明: DnsCache

Return the cached entries for the given hostname.

指定者:

get 在接口中 DnsCache

参数:

hostname - the hostname

additionals - the additional records

返回:

the cached entries

cache

public DnsCacheEntry cache(java.lang.String hostname,
                           DnsRecord[] additional,
                           java.net.InetAddress address,
                           long originalTtl,
                           EventLoop loop)

从接口复制的说明: DnsCache

Create a new DnsCacheEntry and cache a resolved address for a given hostname.

指定者:

cache 在接口中 DnsCache

参数:

hostname - the hostname

additional - the additional records

address - the resolved address

originalTtl - the TTL as returned by the DNS server

loop - the EventLoop used to register the TTL timeout

返回:

The DnsCacheEntry corresponding to this cache entry.

cache

public DnsCacheEntry cache(java.lang.String hostname,
                           DnsRecord[] additional,
                           java.lang.Throwable cause,
                           EventLoop loop)

从接口复制的说明: DnsCache

Cache the resolution failure for a given hostname. Be aware this won't be called with timeout / cancel / transport exceptions.

指定者:

cache 在接口中 DnsCache

参数:

hostname - the hostname

additional - the additional records

cause - the resolution failure

loop - the EventLoop used to register the TTL timeout

返回:

The DnsCacheEntry corresponding to this cache entry, or null if this cache doesn't support caching failed responses.

toString

public java.lang.String toString()

覆盖:

toString 在类中 java.lang.Object