com.lambdaworks.redis.resource

Enum DnsResolvers

java.lang.Object

java.lang.Enum<DnsResolvers>

com.lambdaworks.redis.resource.DnsResolvers

All Implemented Interfaces:

DnsResolver, Serializable, Comparable<DnsResolvers>

public enum DnsResolvers
extends Enum<DnsResolvers>
implements DnsResolver

Predefined DNS resolvers.

Since:

4.2

Author:

Mark Paluch

Enum Constant Summary

Enum Constants

Enum Constant and Description
JVM_DEFAULT Java VM default resolver.

Method Summary

Modifier and Type	Method and Description
InetAddress[]	resolve(String host) Returns the IP address for the specified host name.
static DnsResolvers	valueOf(String name) Returns the enum constant of this type with the specified name.
static DnsResolvers[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

JVM_DEFAULT

public static final DnsResolvers JVM_DEFAULT

Java VM default resolver.

Method Detail

values

public static DnsResolvers[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (DnsResolvers c : DnsResolvers.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static DnsResolvers valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

resolve

public InetAddress[] resolve(String host)
                      throws UnknownHostException

Description copied from interface: DnsResolver

Returns the IP address for the specified host name.

Specified by:

resolve in interface DnsResolver

Parameters:

host - the hostname, must not be empty or null.

Returns:

array of one or more adresses

Throws:

UnknownHostException - if the given host is not recognized or the associated IP address cannot be used to build an InetAddress instance