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

All Implemented Interfaces:

AuthoritativeDnsServerCache
```
public class DefaultAuthoritativeDnsServerCache
extends Object
implements AuthoritativeDnsServerCache
```
Default implementation of AuthoritativeDnsServerCache, backed by a ConcurrentMap.

Constructor Summary

Constructors
Constructor	Description
`DefaultAuthoritativeDnsServerCache()`	Create a cache that respects the TTL returned by the DNS server.
`DefaultAuthoritativeDnsServerCache(int minTtl, int maxTtl, Comparator<InetSocketAddress> comparator)`	Create a cache.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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.
`String`	`toString()`

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

- Constructor Detail
  - DefaultAuthoritativeDnsServerCache
```
public DefaultAuthoritativeDnsServerCache()
```
    Create a cache that respects the TTL returned by the DNS server.
  - DefaultAuthoritativeDnsServerCache
```
public DefaultAuthoritativeDnsServerCache(int minTtl,
                                          int maxTtl,
                                          Comparator<InetSocketAddress> comparator)
```
    Create a cache.
    
    Parameters:
    
    minTtl - the minimum TTL
    
    maxTtl - the maximum TTL
    
    comparator - the Comparator to order the InetSocketAddress for a hostname or null if insertion order should be used.
- Method Detail
  - get
```
public DnsServerAddressStream get(String hostname)
```
    Description copied from interface: AuthoritativeDnsServerCache
    
    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.
    
    Specified by:
    
    get in interface AuthoritativeDnsServerCache
    
    Parameters:
    
    hostname - the hostname
    
    Returns:
    
    the cached entries or an null if none.
  - cache
```
public void cache(String hostname,
                  InetSocketAddress address,
                  long originalTtl,
                  EventLoop loop)
```
    Description copied from interface: AuthoritativeDnsServerCache
    
    Caches a nameserver that should be used to resolve the given hostname.
    
    Specified by:
    
    cache in interface AuthoritativeDnsServerCache
    
    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
```
public void clear()
```
    Description copied from interface: AuthoritativeDnsServerCache
    
    Clears all cached nameservers.
    
    Specified by:
    
    clear in interface AuthoritativeDnsServerCache
    
    See Also:
    
    AuthoritativeDnsServerCache.clear(String)
  - clear
```
public boolean clear(String hostname)
```
    Description copied from interface: AuthoritativeDnsServerCache
    
    Clears the cached nameservers for the specified hostname.
    
    Specified by:
    
    clear in interface AuthoritativeDnsServerCache
    
    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
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object

Class DefaultAuthoritativeDnsServerCache

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

DefaultAuthoritativeDnsServerCache

DefaultAuthoritativeDnsServerCache

Method Detail

get

cache

clear

clear

toString