Class Connection

java.lang.Object
  Connection

public class Connection
extends java.lang.Object

Establishes a connection to the CORBA server RockFactory object.

Version:

1.0 (August 2007)

Author:

Mark S. Ghiorso, OFM-Research Inc.

Constructor Summary

Connection()
Class initializer.

Method Summary

org.omg.CORBA.Object	getObjectReference(org.omg.CORBA.ORB orb, org.omg.CosNaming.NameComponent[] name) Obtain a generic object reference from the CORBA nameserver.
org.omg.CORBA.ORB	getORB(java.applet.Applet myapplet) Obtains the Object Request Broker for the Applet.
org.omg.CORBA.ORB	getORB(java.lang.String[] args, java.util.Properties props) Obtains the Object Request Broker for the standalone application.
rock.RockFactory	getRockFactory(org.omg.CORBA.ORB orb) Obtain a RockFactory object reference from the CORBA nameserver.

Methods inherited from class java.lang.Object

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

Constructor Detail

Connection

public Connection()

Class initializer.

Method Detail

getORB

public org.omg.CORBA.ORB getORB(java.applet.Applet myapplet)

Obtains the Object Request Broker for the Applet. The applet must originate from a web server that is running a CORBA nameservice and rockFactory server.

Parameters:

myapplet - Applet instance.

Returns:

ORB reference.

getORB

public org.omg.CORBA.ORB getORB(java.lang.String[] args,
                                java.util.Properties props)

Obtains the Object Request Broker for the standalone application.

Parameters:

args - Command line arguments.

props - Properties defined for ORB initialization call. Two properties must be set: org.omg.CORBA.ORBInitialPort to the CORBA nameserver port number (usually 2809) and org.omg.CORBA.ORBInitialHost to the IP address of the CORBA nameServer.

Returns:

ORB reference.

getObjectReference

public org.omg.CORBA.Object getObjectReference(org.omg.CORBA.ORB orb,
                                               org.omg.CosNaming.NameComponent[] name)
                                        throws java.lang.Exception

Obtain a generic object reference from the CORBA nameserver.

Parameters:

orb - ORB reference retuned from getORB.

name - Description of CORBA server object.

Returns:

Instance of requested server object.

Throws:

java.lang.Exception - CORBA connection error. Description output to System.err.

getRockFactory

public rock.RockFactory getRockFactory(org.omg.CORBA.ORB orb)
                                throws java.lang.Exception

Obtain a RockFactory object reference from the CORBA nameserver.

Parameters:

orb - ORB reference retuned from getORB.

Returns:

Instance of requested RockFactory object.

Throws:

java.lang.Exception - CORBA connection error. Description output to System.err.