lease.java

来自「《移动Agent技术》一书的所有章节源代码。」· Java 代码 · 共 59 行

/*
 * @(#)Lease.java	1.2 96/11/18
 * 
 * Copyright (c) 1995, 1996 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * This software is the confidential and proprietary information of Sun
 * Microsystems, Inc. ("Confidential Information").  You shall not
 * disclose such Confidential Information and shall use it only in
 * accordance with the terms of the license agreement you entered into
 * with Sun.
 * 
 * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
 * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
 * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
 * THIS SOFTWARE OR ITS DERIVATIVES.
 * 
 * CopyrightVersion 1.1_beta
 */
package java.rmi.dgc;

/**
 * A lease contains a unique VM identifier and a lease duration. A
 * Lease object is used to request and grant leases to remote object
 * references.
 */
public final class Lease implements java.io.Serializable {

    private VMID vmid;
    private long value;

    /**
     * Constructs a lease with a specific VMID and lease duration. The
     * vmid may be null.
     */
    public Lease(VMID id, long duration) 
    {
	vmid = id;
	value = duration;
    }

    /**
     * Returns the client VMID associated with the lease.
     */
    public VMID getVMID() 
    {
	return vmid;
    }

    /**
     * Returns the lease duration.
     */
    public long getValue() 
    {
	return value;
    }
}