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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership. The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License. You may obtain a copy of the License at
9    * 
10   *      http://www.apache.org/licenses/LICENSE-2.0
11   * 
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package net.jini.lease;
19  
20  /**
21   * Subinterface of <code>LeaseListener</code> that clients must
22   * implement if they want to receive desired expiration reached events
23   * in addition to renewal failure events.
24   *
25   * @author Sun Microsystems, Inc.
26   * @see LeaseRenewalManager
27   */
28  public interface DesiredExpirationListener extends LeaseListener {
29      /**
30       * Method used to delivered desired expiration reached events. The
31       * <code>getException</code> method of the passed event will always
32       * return <code>null</code>.
33       * <p>
34       * Note that, prior to invoking this method, the
35       * <code>LeaseRenewalManager</code> removes the affected lease from
36       * the managed set of leases. Note also that, because of the
37       * reentrancy guarantee made by the
38       * <code>LeaseRenewalManager</code>, it is safe to call back into
39       * the renewal manager from this method.
40       *
41       * @param e instance of <code>LeaseRenewalEvent</code> containing
42       *		information about the lease that was removed from the
43       *		<code>LeaseRenewalManager</code> because its desired
44       *		expiration was reached
45       */
46      public void expirationReached(LeaseRenewalEvent e);
47  }