java.lang.Object
- io.netty5.resolver.dns.NoopDnsCache

All Implemented Interfaces:

DnsCache
```
public final class NoopDnsCache
extends Object
implements DnsCache
```
A noop DNS cache that actually never caches anything.

Field Summary

Fields
Modifier and Type Field Description

static NoopDnsCache INSTANCE

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`DnsCacheEntry`	`cache(String hostname, DnsRecord[] additional, Throwable cause, EventLoop loop)`	Cache the resolution failure for a given hostname.
`DnsCacheEntry`	`cache(String hostname, DnsRecord[] additional, InetAddress address, long originalTtl, EventLoop loop)`	Create a new `DnsCacheEntry` and cache a resolved address for a given hostname.
`void`	`clear()`	Clears all the resolved addresses cached by this resolver.
`boolean`	`clear(String hostname)`	Clears the resolved addresses of the specified host name from the cache of this resolver.
`List<? extends DnsCacheEntry>`	`get(String hostname, DnsRecord[] additionals)`	Return the cached entries for the given hostname.
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - INSTANCE
```
public static final NoopDnsCache INSTANCE
```
- Method Detail
  - clear
```
public void clear()
```
    Description copied from interface: DnsCache
    
    Clears all the resolved addresses cached by this resolver.
    
    Specified by:
    
    clear in interface DnsCache
    
    See Also:
    
    DnsCache.clear(String)
  - clear
```
public boolean clear(String hostname)
```
    Description copied from interface: DnsCache
    
    Clears the resolved addresses of the specified host name from the cache of this resolver.
    
    Specified by:
    
    clear in interface DnsCache
    
    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
  - get
```
public List<? extends DnsCacheEntry> get(String hostname,
                                         DnsRecord[] additionals)
```
    Description copied from interface: DnsCache
    
    Return the cached entries for the given hostname.
    
    Specified by:
    
    get in interface DnsCache
    
    Parameters:
    
    hostname - the hostname
    
    additionals - the additional records
    
    Returns:
    
    the cached entries
  - cache
```
public DnsCacheEntry cache(String hostname,
                           DnsRecord[] additional,
                           InetAddress address,
                           long originalTtl,
                           EventLoop loop)
```
    Description copied from interface: DnsCache
    
    Create a new DnsCacheEntry and cache a resolved address for a given hostname.
    
    Specified by:
    
    cache in interface DnsCache
    
    Parameters:
    
    hostname - the hostname
    
    additional - the additional records
    
    address - the resolved address
    
    originalTtl - the TLL as returned by the DNS server
    
    loop - the EventLoop used to register the TTL timeout
    
    Returns:
    
    The DnsCacheEntry corresponding to this cache entry.
  - cache
```
public DnsCacheEntry cache(String hostname,
                           DnsRecord[] additional,
                           Throwable cause,
                           EventLoop loop)
```
    Description copied from interface: DnsCache
    
    Cache the resolution failure for a given hostname. Be aware this won't be called with timeout / cancel / transport exceptions.
    
    Specified by:
    
    cache in interface DnsCache
    
    Parameters:
    
    hostname - the hostname
    
    additional - the additional records
    
    cause - the resolution failure
    
    loop - the EventLoop used to register the TTL timeout
    
    Returns:
    
    The DnsCacheEntry corresponding to this cache entry, or null if this cache doesn't support caching failed responses.
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object

Class NoopDnsCache

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

INSTANCE

Method Detail

clear

clear

get

cache

cache

toString