net.jini.discovery
Class IncomingMulticastRequest

java.lang.Object
  net.jini.discovery.IncomingMulticastRequest

public class IncomingMulticastRequest
extends Object

Encapsulate the details of unmarshaling an incoming multicast request packet.

Author:

Sun Microsystems, Inc.

See Also:

OutgoingMulticastRequest

Field Summary

protected InetAddress	addr The address to which any responses should go.
protected String[]	groups The groups in which the requestor is interested.
protected int	port The port to which any responses should connect.
protected int	protoVersion The current version of the multicast request protocol.
protected ServiceID[]	serviceIDs The ServiceIDs from which the requestor has already heard.

Constructor Summary

IncomingMulticastRequest(DatagramPacket dgram)
Construct a new object, initialized from the contents of the given multicast request packet.

Method Summary

boolean	equals(Object o) Two requests are equal if they have the same address, port, groups, and service IDs.
InetAddress	getAddress() Return the address of the host to contact in order to start unicast discovery.
String[]	getGroups() Return the set of groups in which the requestor is interested.
int	getPort() Return the number of the port to connect to on the remote host in order to start unicast discovery.
ServiceID[]	getServiceIDs() Return a set of ServiceIDs from which the requestor has already heard.
int	hashCode()

Methods inherited from class java.lang.Object

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

Field Detail

addr

protected InetAddress addr

The address to which any responses should go.

port

protected int port

The port to which any responses should connect.

serviceIDs

protected ServiceID[] serviceIDs

The ServiceIDs from which the requestor has already heard. This set may not be complete.

groups

protected String[] groups

The groups in which the requestor is interested. This set may not be complete.

protoVersion

protected final int protoVersion

The current version of the multicast request protocol.

See Also:

Constant Field Values

Constructor Detail

IncomingMulticastRequest

public IncomingMulticastRequest(DatagramPacket dgram)
                         throws IOException

Construct a new object, initialized from the contents of the given multicast request packet.

Parameters:

dgram - the packet to unmarshal

Throws:

IOException - a problem occurred while unmarshaling the packet

Method Detail

getAddress

public InetAddress getAddress()

Return the address of the host to contact in order to start unicast discovery.

Returns:

the address of the host to contact in order to start unicast discovery

getPort

public int getPort()

Return the number of the port to connect to on the remote host in order to start unicast discovery.

Returns:

the number of the port to connect to on the remote host in order to start unicast discovery

getGroups

public String[] getGroups()

Return the set of groups in which the requestor is interested. This set may not be complete, but other incoming packets should contain the rest of the set.

Returns:

the set of groups in which the requestor is interested.

getServiceIDs

public ServiceID[] getServiceIDs()

Return a set of ServiceIDs from which the requestor has already heard. This set may not be complete.

Returns:

a set of service IDs from which the requestor has already heard

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Two requests are equal if they have the same address, port, groups, and service IDs.

Overrides:

equals in class Object