org.apache.hadoop.hbase.util

Class DNS

java.lang.Object

org.apache.hadoop.hbase.util.DNS

@InterfaceAudience.Private
public final class DNS
extends Object

Wrapper around Hadoop's DNS class to hide reflection.

Method Summary

Methods

Modifier and Type	Method and Description
static String	getDefaultHost(String strInterface, String nameserver) Wrapper around DNS.getDefaultHost(String, String), calling DNS.getDefaultHost(String, String, boolean) when available.
static String	getMasterHostname(org.apache.hadoop.conf.Configuration conf)

Methods inherited from class java.lang.Object

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

Method Detail

getDefaultHost

public static String getDefaultHost(String strInterface,
                    String nameserver)
                             throws UnknownHostException

Wrapper around DNS.getDefaultHost(String, String), calling DNS.getDefaultHost(String, String, boolean) when available.

Parameters:

strInterface - The network interface to query.

nameserver - The DNS host name.

Returns:

The default host names associated with IPs bound to the network interface.

Throws:

UnknownHostException

getMasterHostname

public static String getMasterHostname(org.apache.hadoop.conf.Configuration conf)
                                throws UnknownHostException

Throws:

UnknownHostException