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1 /*** 2 * Redistribution and use of this software and associated documentation 3 * ("Software"), with or without modification, are permitted provided 4 * that the following conditions are met: 5 * 6 * 1. Redistributions of source code must retain copyright 7 * statements and notices. Redistributions must also contain a 8 * copy of this document. 9 * 10 * 2. Redistributions in binary form must reproduce the 11 * above copyright notice, this list of conditions and the 12 * following disclaimer in the documentation and/or other 13 * materials provided with the distribution. 14 * 15 * 3. The name "Exolab" must not be used to endorse or promote 16 * products derived from this Software without prior written 17 * permission of Exoffice Technologies. For written permission, 18 * please contact info@exolab.org. 19 * 20 * 4. Products derived from this Software may not be called "Exolab" 21 * nor may "Exolab" appear in their names without prior written 22 * permission of Exoffice Technologies. Exolab is a registered 23 * trademark of Exoffice Technologies. 24 * 25 * 5. Due credit should be given to the Exolab Project 26 * (http://www.exolab.org/). 27 * 28 * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT 30 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 31 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 32 * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 39 * OF THE POSSIBILITY OF SUCH DAMAGE. 40 * 41 * Copyright 1999 (C) Exoffice Technologies Inc. All Rights Reserved. 42 * 43 * $Id: LeaseIfc.java,v 1.2 2003/08/07 13:33:00 tanderson Exp $ 44 * 45 * Date Author Changes 46 * 2/29/2000 jima Created 47 */ 48 package org.exolab.jms.lease; 49 50 51 /*** 52 * A lease is used to track message exipration. It contains the object to be 53 * leased, the duration and the object to callback if or when the lease expirex 54 * <p> 55 * Since leases may be persistent we need to store the absolute expiry time so 56 * that when the service is restarted it can correctly expire messages 57 * 58 * @version $Revision: 1.2 $ $Date: 2003/08/07 13:33:00 $ 59 * @author <a href="mailto:jima@exoffice.com">Jim Alateras</a> 60 **/ 61 public interface LeaseIfc { 62 63 /*** 64 * Return the absolute expiry time of this lease 65 * 66 * @return long 67 */ 68 public long getExpiryTime(); 69 70 /*** 71 * Return the orginal duration of the lease. The returned value is 72 * in milliseconds 73 * 74 * @return long 75 */ 76 public long getDuration(); 77 78 /*** 79 * Return the time remaining on the lease in milliseconds 80 * 81 * @return long 82 */ 83 public long getRemainingTime(); 84 85 /*** 86 * Return the leased object 87 * 88 * @return Object 89 */ 90 public Object getLeasedObject(); 91 92 /*** 93 * Return the class of leased object 94 * 95 * @return Class 96 */ 97 public Class getLeasedObjectType(); 98 } 99

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