Examples of net.jini.core.lease.UnknownLeaseException

net.jini.core.lease.UnknownLeaseException
An exception used to indicate that a lease is not known to the grantor of the lease. This can occur when a lease expires or has been cancelled. @author Sun Microsystems, Inc. @since 1.0


  // Has the lease expired?
  if (expiration < now) {
      if (!ensureCurrent(now))
    setRsltIfNeeded("Renwal service let lease expire");
      throw new UnknownLeaseException("Lease expired");
  }


  // Have the asked for the right renewal?
  
  // Are they supposted to ask for Lease.ANY, and if they

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        concurrentObj.priorityWriteLock();
        try {
            RegistrationInfo regInfo
                   = (RegistrationInfo)(registrationByID.get(registrationID));
            if(regInfo == null) {
                throw new UnknownLeaseException
                                 ("\n    Invalid registration ID on call to "
                                  +"cancelLease() method"
                                  +"\n    The lease may have expired or been "
                                  +"cancelled");
            }//endif

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        concurrentObj.writeLock();
        try {
            RegistrationInfo regInfo
                   = (RegistrationInfo)(registrationByID.get(registrationID));
            if(regInfo == null) {
                throw new UnknownLeaseException
                                 ("\n    Invalid registration ID on call to "
                                  +"cancelLease() method"
                                  +"\n    The lease may have expired or been "
                                  +"cancelled");
            }//endif

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            throw new IllegalArgumentException("non-positive lease duration");
        }//endif
        if (    (regInfo == null) 
             || ( !(regInfo.leaseID).equals(leaseID) )
             || (regInfo.leaseExpiration <= curTime) ) {
            throw new UnknownLeaseException();
        }//endif
        if(    (duration > leaseBound)
      && (duration > (regInfo.leaseExpiration - curTime)) ) {
            duration = Math.max( (regInfo.leaseExpiration - curTime),
                                 leaseBound );

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    private void cancelLeaseDo(RegistrationInfo regInfo, Uuid leaseID)
                                     throws UnknownLeaseException, IOException
    {
        long curTime = System.currentTimeMillis();
        if ( (regInfo == null) || (regInfo.leaseExpiration <= curTime) ) {
            throw new UnknownLeaseException();
        }//endif
        removeRegistration(regInfo);
        /* wake up thread if this might be the (only) earliest time */
        if (regInfo.leaseExpiration == minExpiration) {
            concurrentObj.waiterNotify(leaseExpireThreadSyncObj);

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       // create an owner for the lease that will renewal successfully
       succeedingOwner = new OpCountingOwner(renewGrant);
       
       // create an owner for the lease that will throw a definite exception
       String testName = "AssocRenewalFailSetTest";
       Exception except = new UnknownLeaseException(testName);
       failingOwner = new FailingOpCountingOwner(except, 0, renewGrant*2);


       // logs events as they arrive
       rrl = new RememberingRemoteListener(getExporter());

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      // Registration doesn't exist or has expired
      if(leaseLogger.isLoggable(Level.FINEST)) {
                leaseLogger.log(Level.FINEST, 
        "Lease for {0} was NOT renewed", cookie);
      }
      throw new UnknownLeaseException("Not managing requested lease");
  }


  if(leaseLogger.isLoggable(Level.FINEST)) {
            leaseLogger.log(Level.FINEST, 
          "Lease for {0} was renewed", cookie);

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                expirationLogger.log(Level.FINEST, "Iterator notified");
            }
            
  } catch (ThrowThis tt) {
      // Registration doesn't exist or has expired
      throw new UnknownLeaseException("Not managing requested lease");
  }
      if(leaseLogger.isLoggable(Level.FINEST)) {
            leaseLogger.log(Level.FINEST, 
          "Lease cancelled for: {0}", cookie); 
      }

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  // Has the lease expired?
  if (!ensureCurrent(now)) {
      setRsltIfNeeded("Renwal service let lease expire, " +
          (now - expiration) + " ms late");
      throw new UnknownLeaseException("Lease expired");
  }


  // Have the asked for the right renewal?
  if (!isValidExtension(extension))
      throw new LeaseDeniedException("Did not ask for right extension");

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    /** Log and throw a new UnknownLeaseException */
    private UnknownLeaseException throwNewUnknownLeaseException(
            Object cookie) 
  throws UnknownLeaseException
    {
  final UnknownLeaseException ule = new UnknownLeaseException();
  if (leaseLogger.isLoggable(Levels.FAILED)) {
      leaseLogger.log(Levels.FAILED, "unable to find lease for " +
          cookie, ule);
  }

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