leaseifc.java

来自「OpenJMS是一个开源的Java Message Service API 1.」· Java 代码 · 共 90 行

/**
 * Redistribution and use of this software and associated documentation
 * ("Software"), with or without modification, are permitted provided
 * that the following conditions are met:
 *
 * 1. Redistributions of source code must retain copyright
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 *    copy of this document.
 *
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 *    above copyright notice, this list of conditions and the
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 *    materials provided with the distribution.
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 *    please contact [e-mail].
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 * 5. Due credit should be given to the Exolab Project
 *    (http://www.exolab.org/).
 *
 * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
 * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Copyright 1999 (C) Exoffice Technologies Inc. All Rights Reserved.
 *
 * $Id: LeaseIfc.java,v 1.2 2005/03/18 03:47:30 tanderson Exp $
 *
 * Date         Author  Changes
 * 2/29/2000    jima    Created
 */
package org.exolab.jms.lease;


/**
 * A lease is used to track message exipration. It contains the object to be
 * leased, the duration and the object to callback if or when the lease expirex
 *
 * @author <a href="mailto:[e-mail]">Jim Alateras</a>
 * @version $Revision: 1.2 $ $Date: 2005/03/18 03:47:30 $
 */
public interface LeaseIfc {

    /**
     * Return the absolute expiry time of this lease.
     *
     * @return the expiry time of the lease, in milliseconds
     */
    public long getExpiryTime();

    /**
     * Returns the duration of the lease.
     *
     * @return the duration of the lease, in milliseconds
     */
    public long getDuration();

    /**
     * Returns the time remaining on the lease.
     *
     * @return the time remaining, in milliseconds
     */
    public long getRemainingTime();

    /**
     * Returns the leased object.
     *
     * @return the leased object
     */
    public Object getLeasedObject();

}