stsci.client
Class JiniArcClient

java.lang.Object
  |
  +--stsci.client.JiniArcClient

All Implemented Interfaces:

ArchiveServer, net.jini.discovery.DiscoveryListener, java.util.EventListener, java.rmi.Remote

public class JiniArcClient

extends java.lang.Object

implements net.jini.discovery.DiscoveryListener, ArchiveServer

Im plemne tthe clinet side to look for JINI archives and the Jini Archive Server Then just behave like and ArchiveServer

Field Summary

protected java.lang.String[]	groups The lookup groups (or an empty array).
protected java.lang.String	lookupURL The lookup URL (or null).
protected static int	MAX_RETRIES Maximum number of retries of nextMessage.
protected static int	MAX_WAIT How long to wait for matches before giving up.
protected java.util.List	registrars The list of unexamined registrars.
protected static ArchiveServer	serv
protected java.lang.String[]	typeArgs The stream and attribute types.

Constructor Summary

JiniArcClient()
Create a new JiniArcClient object

Method Summary

void	discarded(net.jini.discovery.DiscoveryEvent ev) Notified by LookupDiscovery code when one or more found registries vanishes.
void	discovered(net.jini.discovery.DiscoveryEvent ev) Notified by LookupDiscovery code when it finds one or more registries.
void	execute()
ArchiveDescriptor[]	listArchives() List the names of the known archives.

Methods inherited from class java.lang.Object

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

Field Detail

groups

protected java.lang.String[] groups

The lookup groups (or an empty array).

lookupURL

protected java.lang.String lookupURL

The lookup URL (or null).

typeArgs

protected java.lang.String[] typeArgs

The stream and attribute types.

registrars

protected java.util.List registrars

The list of unexamined registrars.

MAX_WAIT

protected static final int MAX_WAIT

How long to wait for matches before giving up.

MAX_RETRIES

protected static final int MAX_RETRIES

Maximum number of retries of nextMessage.

serv

protected static ArchiveServer serv

Constructor Detail

JiniArcClient

public JiniArcClient()

Create a new JiniArcClient object

Method Detail

execute

public void execute()
             throws java.lang.Exception

discovered

public void discovered(net.jini.discovery.DiscoveryEvent ev)

Notified by LookupDiscovery code when it finds one or more registries. This implementation adds it to the list of known registries and notifies any waiting thread.

Specified by:

discovered in interface net.jini.discovery.DiscoveryListener

discarded

public void discarded(net.jini.discovery.DiscoveryEvent ev)

Notified by LookupDiscovery code when one or more found registries vanishes. Eventually we might like to deal with this.

Specified by:

discarded in interface net.jini.discovery.DiscoveryListener

listArchives

public ArchiveDescriptor[] listArchives()
                                 throws java.rmi.RemoteException

Description copied from interface: ArchiveServer

List the names of the known archives. This could probly be held in a properties file.

Specified by:

listArchives in interface ArchiveServer