org.apache.river.discovery

Class MultiIPDiscovery

java.lang.Object

org.apache.river.discovery.MultiIPDiscovery

public abstract class MultiIPDiscovery
extends Object

Utility class used by implementations which want to perform unicast discovery on possibly multiple IP addresses for a given host name. This class supports unicast discovery constraints as specified in DiscoveryConstraints.

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_TIMEOUT

Constructor Summary

Constructors

Constructor and Description
MultiIPDiscovery()

Method Summary

Modifier and Type	Method and Description
protected int	getDefaultUnicastSocketTimeout()
UnicastResponse	getResponse(String scheme, String host, int port, InvocationConstraints constraints)
protected abstract UnicastResponse	performDiscovery(Discovery disco, DiscoveryConstraints dc, Socket s)
protected void	singleResponseException(Exception ex, InetAddress addr, int port)
protected void	socketCloseException(IOException ex)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_TIMEOUT

public static final int DEFAULT_TIMEOUT

See Also:

Constant Field Values

Constructor Detail

MultiIPDiscovery

public MultiIPDiscovery()

Method Detail

getResponse

public UnicastResponse getResponse(String scheme,
                                   String host,
                                   int port,
                                   InvocationConstraints constraints)
                            throws IOException,
                                   ClassNotFoundException

Throws:

IOException

ClassNotFoundException

getDefaultUnicastSocketTimeout

protected int getDefaultUnicastSocketTimeout()

singleResponseException

protected void singleResponseException(Exception ex,
                                       InetAddress addr,
                                       int port)

socketCloseException

protected void socketCloseException(IOException ex)

performDiscovery

protected abstract UnicastResponse performDiscovery(Discovery disco,
                                                    DiscoveryConstraints dc,
                                                    Socket s)
                                             throws IOException,
                                                    ClassNotFoundException

Throws:

IOException

ClassNotFoundException