1 /*
2  * Copyright (c) 1996, 1998, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.  Oracle designates this
8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 package java.rmi.dgc;
26 
27 /**
28  * A lease contains a unique VM identifier and a lease duration. A
29  * Lease object is used to request and grant leases to remote object
30  * references.
31  */
32 public final class Lease implements java.io.Serializable {
33 
34     /**
35      * @serial Virtual Machine ID with which this Lease is associated.
36      * @see #getVMID
37      */
38     private VMID vmid;
39 
40     /**
41      * @serial Duration of this lease.
42      * @see #getValue
43      */
44     private long value;
45     /** indicate compatibility with JDK 1.1.x version of class */
46     private static final long serialVersionUID = -5713411624328831948L;
47 
48     /**
49      * Constructs a lease with a specific VMID and lease duration. The
50      * vmid may be null.
51      * @param id VMID associated with this lease
52      * @param duration lease duration
53      */
Lease(VMID id, long duration)54     public Lease(VMID id, long duration)
55     {
56         vmid = id;
57         value = duration;
58     }
59 
60     /**
61      * Returns the client VMID associated with the lease.
62      * @return client VMID
63      */
getVMID()64     public VMID getVMID()
65     {
66         return vmid;
67     }
68 
69     /**
70      * Returns the lease duration.
71      * @return lease duration
72      */
getValue()73     public long getValue()
74     {
75         return value;
76     }
77 }
78