net.jini.discovery

Class Constants

java.lang.Object

net.jini.discovery.Constants

public class Constants
extends Object

A holder class for constants that pertain to the unicast and multicast discovery protocols.

Author:

Sun Microsystems, Inc.

Method Summary

Modifier and Type	Method and Description
static InetAddress	getAnnouncementAddress() Return the address of the multicast group over which the multicast announcement protocol takes place.
static int	getDiscoveryPort()
static InetAddress	getRequestAddress() Return the address of the multicast group over which the multicast request protocol takes place.
static int	getTtl() Default time to live value to use for sending multicast packets
static boolean	isMulticastEnabled()
static boolean	useSocketKeepAlive()
static boolean	useSocketTcpNoDelay()

Methods inherited from class java.lang.Object

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

Method Detail

getRequestAddress

public static InetAddress getRequestAddress()
                                     throws UnknownHostException

Return the address of the multicast group over which the multicast request protocol takes place.

Returns:

the address of the multicast group over which the multicast request protocol takes place

Throws:

UnknownHostException

getAnnouncementAddress

public static InetAddress getAnnouncementAddress()
                                          throws UnknownHostException

Return the address of the multicast group over which the multicast announcement protocol takes place.

Returns:

the address of the multicast group over which the multicast announcement protocol takes place.

Throws:

UnknownHostException

getDiscoveryPort

public static int getDiscoveryPort()

getTtl

public static int getTtl()

Default time to live value to use for sending multicast packets

isMulticastEnabled

public static boolean isMulticastEnabled()

useSocketKeepAlive

public static boolean useSocketKeepAlive()

useSocketTcpNoDelay

public static boolean useSocketTcpNoDelay()