001 /* Lease.java
002 Copyright (c) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
003 Free Software Foundation, Inc.
004
005 This file is part of GNU Classpath.
006
007 GNU Classpath is free software; you can redistribute it and/or modify
008 it under the terms of the GNU General Public License as published by
009 the Free Software Foundation; either version 2, or (at your option)
010 any later version.
011
012 GNU Classpath is distributed in the hope that it will be useful, but
013 WITHOUT ANY WARRANTY; without even the implied warranty of
014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 General Public License for more details.
016
017 You should have received a copy of the GNU General Public License
018 along with GNU Classpath; see the file COPYING. If not, write to the
019 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
020 02110-1301 USA.
021
022 Linking this library statically or dynamically with other modules is
023 making a combined work based on this library. Thus, the terms and
024 conditions of the GNU General Public License cover the whole
025 combination.
026
027 As a special exception, the copyright holders of this library give you
028 permission to link this library with independent modules to produce an
029 executable, regardless of the license terms of these independent
030 modules, and to copy and distribute the resulting executable under
031 terms of your choice, provided that you also meet, for each linked
032 independent module, the terms and conditions of the license of that
033 module. An independent module is a module which is not derived from
034 or based on this library. If you modify this library, you may extend
035 this exception to your version of the library, but you are not
036 obligated to do so. If you do not wish to do so, delete this
037 exception statement from your version. */
038
039 package java.rmi.dgc;
040
041 import java.io.Serializable;
042
043 /**
044 * A lease object is used to request and grant leases for the remote objects. It
045 * contains the lease duration and the unique VM indentifier.
046 */
047 public final class Lease
048 implements Serializable
049 {
050
051 static final long serialVersionUID = - 5713411624328831948L;
052
053 private VMID vmid;
054
055 private long value;
056
057 /**
058 * Create the new lease with the given id and duration
059 *
060 * @param id the lease id
061 * @param duration the lease duration
062 */
063 public Lease(VMID id, long duration)
064 {
065 vmid = id;
066 value = duration;
067 }
068
069 /**
070 * Get the lease id.
071 *
072 * @return the lease id
073 */
074 public VMID getVMID()
075 {
076 return (vmid);
077 }
078
079 /**
080 * Get the lease duration
081 *
082 * @return the lease duration
083 */
084 public long getValue()
085 {
086 return (value);
087 }
088
089 /**
090 * Get the string representation of this lease
091 *
092 * @return the string represenation (lease id, followed by the lease
093 * duration).
094 */
095 public String toString()
096 {
097 return ("[" + vmid.toString() + ", " + Long.toString(value) + "]");
098 }
099
100 }