org.apache.commons.jcs3.utils.discovery

Class UDPDiscoveryReceiver

java.lang.Object

org.apache.commons.jcs3.utils.discovery.UDPDiscoveryReceiver

All Implemented Interfaces:

Runnable, IShutdownObserver

public class UDPDiscoveryReceiver
extends Object
implements Runnable, IShutdownObserver

Receives UDP Discovery messages.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	UDPDiscoveryReceiver.MessageHandler Separate thread run when a command comes into the UDPDiscoveryReceiver.

Constructor Summary

Constructors

Constructor and Description
UDPDiscoveryReceiver(UDPDiscoveryService service, String multicastInterfaceString, String multicastAddressString, int multicastPort) Constructor for the LateralUDPReceiver object.

Method Summary

Modifier and Type	Method and Description
int	getCnt()
void	run() Main processing method for the LateralUDPReceiver object
void	setCnt(int cnt)
void	shutdown() Shuts down the socket.
Object	waitForMessage() Highly unreliable.

Methods inherited from class java.lang.Object

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

Constructor Detail

UDPDiscoveryReceiver

public UDPDiscoveryReceiver(UDPDiscoveryService service,
                            String multicastInterfaceString,
                            String multicastAddressString,
                            int multicastPort)
                     throws IOException

Constructor for the LateralUDPReceiver object.

We determine out own host using InetAddress

Parameters:

service -

multicastInterfaceString -

multicastAddressString -

multicastPort -

Throws:

IOException

Method Detail

waitForMessage

public Object waitForMessage()
                      throws IOException

Highly unreliable. If it is processing one message while another comes in, the second message is lost. This is for low concurrency peppering.

Returns:

the object message

Throws:

IOException

run

public void run()

Main processing method for the LateralUDPReceiver object

Specified by:

run in interface Runnable

setCnt

public void setCnt(int cnt)

Parameters:

cnt - The cnt to set.

getCnt

public int getCnt()

Returns:

Returns the cnt.

shutdown

public void shutdown()

Shuts down the socket.

Specified by:

shutdown in interface IShutdownObserver