001/* Lease.java
002   Copyright (c) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
003   Free Software Foundation, Inc.
004
005This file is part of GNU Classpath.
006
007GNU Classpath is free software; you can redistribute it and/or modify
008it under the terms of the GNU General Public License as published by
009the Free Software Foundation; either version 2, or (at your option)
010any later version.
011
012GNU Classpath is distributed in the hope that it will be useful, but
013WITHOUT ANY WARRANTY; without even the implied warranty of
014MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
015General Public License for more details.
016
017You should have received a copy of the GNU General Public License
018along with GNU Classpath; see the file COPYING.  If not, write to the
019Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02002110-1301 USA.
021
022Linking this library statically or dynamically with other modules is
023making a combined work based on this library.  Thus, the terms and
024conditions of the GNU General Public License cover the whole
025combination.
026
027As a special exception, the copyright holders of this library give you
028permission to link this library with independent modules to produce an
029executable, regardless of the license terms of these independent
030modules, and to copy and distribute the resulting executable under
031terms of your choice, provided that you also meet, for each linked
032independent module, the terms and conditions of the license of that
033module.  An independent module is a module which is not derived from
034or based on this library.  If you modify this library, you may extend
035this exception to your version of the library, but you are not
036obligated to do so.  If you do not wish to do so, delete this
037exception statement from your version. */
038
039package java.rmi.dgc;
040
041import 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 */
047public 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}