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}