/*
*
* Copyright (c) 2000 Scott Oaks and Henry Wong. All Rights Reserved.
*
* Permission to use, copy, modify, and distribute this software
* and its documentation for NON-COMMERCIAL purposes and
* without fee is hereby granted.
*
* This sample source code is provided for example only,
* on an unsupported, as-is basis.
*
* AUTHOR MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
* THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
* TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE, OR NON-INFRINGEMENT. AUTHOR SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
*
* THIS SOFTWARE IS NOT DESIGNED OR INTENDED FOR USE OR RESALE AS ON-LINE
* CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING FAIL-SAFE
* PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES, AIRCRAFT
* NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT LIFE
* SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE
* SOFTWARE COULD LEAD DIRECTLY TO DEATH, PERSONAL INJURY, OR SEVERE
* PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH RISK ACTIVITIES"). AUTHOR
* SPECIFICALLY DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR
* HIGH RISK ACTIVITIES.
*/
import java.rmi.*;
import net.jini.discovery.*;
import net.jini.core.lease.*;
import net.jini.core.event.*;
import net.jini.admin.*;
import com.sun.jini.lease.*;
public class ConvertClient {
public static void main(String[] args) throws Exception {
System.setSecurityManager(new RMISecurityManager());
// Find the service by its interface type
ServiceFinder sf = new ServiceFinder(ConvertService.class);
ConvertService cs = (ConvertService) sf.getObject();
LeaseRenewalManager lrm = new LeaseRenewalManager();
// Sign up to be notified of all conversions
RemoteEventListener rel = new ConvertEventHandler();
EventRegistration er = cs.trackConversions(Lease.FOREVER, rel, null);
lrm.renewUntil(er.getLease(), Lease.FOREVER, null);
// Administer the service registration object
JoinAdmin joinadmin = null;
// See if it has a join admin object
if (cs instanceof Administrable) {
Object admin = ((Administrable) cs).getAdmin();
if (admin instanceof JoinAdmin)
joinadmin = (JoinAdmin) admin;
}
// It it does, print out its attributes
if (joinadmin != null) {
Object[] attrib = joinadmin.getLookupAttributes();
for (int i = 0; i < attrib.length; i++)
System.out.println("Attribute: " + attrib[i]);
}
// Now do a conversion for ourself
ConvertServiceRegistration csr = cs.getInstance(Lease.FOREVER);
lrm.renewUntil(csr.getLease(), Lease.FOREVER, null);
// Now invoke methods on the service object
System.out.println(csr.convert(5));
// We'll sit here, waiting forever for other event notifications
// to happen.
try {
Thread.sleep(Integer.MAX_VALUE);
} catch (InterruptedException ie) {}
// If you want to exit, you should clean up the leases first, e.g.,
// lrm.cancel(er.getLease());
// lrm.cancel(csr.getLease());
// System.exit(0);
}
}
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