Examples of net.jini.core.lease.Lease.renew()

net.jini.core.lease.Lease.renew()
Used to renew a lease for an additional period of time, specified in milliseconds. This duration is not added to the original lease, but is used to determine a new expiration time for the existing lease. If the renewal is granted this is reflected in value returned by getExpiration. If the renewal fails, the lease is left intact for the same duration that was in force prior to the call to renew. @param duration the requested duration in milliseconds @throws LeaseDeniedException the lease grantor is unable orunwilling to renew the lease @throws UnknownLeaseException the lease being renewed is unknownto the lease grantor @throws RemoteException

      }
      // try to renew until lease is expired.
      boolean canBeRenewed = true;
      while (canBeRenewed) {
    try {
        lease.renew(duration);
        renewalException = null;
        canBeRenewed = false;
        lastLeaseRenewed = lease;
        logger.log(Level.FINE, "Successfully renewed for " + duration +
                   " milliseconds.");

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        for(int i=0;i<leaseList.size();i++) {
            Lease srvcLease = (Lease)(leaseList.get(i));
            logger.log(Level.FINE, "service lease["+i+"] changed to expire "
                              +"within "+(newLeaseDur/1000)+" second(s) -- "
                              +"simulates a down service");
            srvcLease.renew(newLeaseDur);
        }//end loop
        /* Remove all leases so we don't try to cancel them during shutdown. */
        leaseList.clear();
    }//end shortenLeases

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        boolean leaseExpired = false;
        for(i=0;i<N_CYCLES_WAIT_EXPIRATION;i++) {
            DiscoveryServiceUtil.delayMS(2*actualDur);
            /* Verify the lease has expired by trying to renew the lease */
            try {
                lease.renew(duration);
            } catch (UnknownLeaseException e) { //expected exception
                leaseExpired = true;
                logger.log(Level.FINE, 
                              "lease on the registration has expired");
                break;

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                                 +serviceName);
        }
  Lease lease = getPreparedLease(reg);
  long[] expectedDurations = getRenewalDurations();
  for(int i=0;i<expectedDurations.length;i++) {
            lease.renew(expectedDurations[i]);
            long newDuration = DiscoveryServiceUtil.expirationToDuration
                                              (lease.getExpiration(),
                                               System.currentTimeMillis());
            logger.log(Level.FINE, 
                              "expected lease duration["+i+"] = "

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  logger.log(Level.INFO, 
       "Awoken @: " + new Date(System.currentTimeMillis()));


  logger.log(Level.INFO, "Attempting to renew lease");
  try {
      lease.renew(DURATION);
      throw new TestException("Successfully renewed an expired lease");
  } catch (UnknownLeaseException ule) {
      logger.log(Level.INFO, "Caught expected exception upon renewal");
  }
    }

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  logger.log(Level.INFO, "Sleeping for " + DURATION + " (ms)");
  Thread.sleep(DURATION + 1000);


  try {
      logger.log(Level.INFO, "Renewing registration lease");
      mrl.renew(DURATION);
      throw new TestException("Successfully renewed an "
          + "expired registration");
  } catch (UnknownLeaseException ule) {
      logger.log(Level.INFO, "Could not renew expired lease - OK");
  }

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            throw new TestException(
    "Unsupported mailbox type requested" + mbType);
  }
  checkLease(mrl, DURATION); 


        mrl.renew(DURATION);
  checkLease(mrl, DURATION); 


  shutdown(0);


        mrl.renew(DURATION);

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        mrl.renew(DURATION);
  checkLease(mrl, DURATION); 


  shutdown(0);


        mrl.renew(DURATION);
  checkLease(mrl, DURATION); 


  logger.log(Level.INFO, "Cancelling registration lease");
  mrl.cancel();
    }

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      }
      // try to renew until lease is expired.
      boolean canBeRenewed = true;
      while (canBeRenewed) {
    try {
        lease.renew(duration);
        renewalException = null;
        canBeRenewed = false;
        lastLeaseRenewed = lease;
        logger.log(Level.FINE, "Successfully renewed for " + duration +
                   " milliseconds.");

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        logger.log(Level.INFO, "Writing matching entry");
        writeEntry(txn, notifyEntry);


        // Force a renew op
        logger.log(Level.INFO, "Renewing registration lease");
        lease.renew(Lease.FOREVER);


        // Busy wait until we are sure the notification happened
        logger.log(Level.INFO, "Waiting for notification of first write");


        while (listener.getNotifyCount(reg) == 0) {

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