serverref.java

《移动Agent技术》一书的所有章节源代码。

/*
 * @(#)ServerRef.java	1.3 96/12/16
 * 
 * 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.server;

import java.rmi.*;

/**
 * A ServerRef represents the server-side handle for a remote object
 * implementation.
 */
public interface ServerRef extends RemoteRef {

    /** 
     * Find or create a client stub object for the supplied Remote.
     * @param obj the remote object implementation
     * @param data information necessary to export the object
     * 		(e.g. port number)
     */
    RemoteStub exportObject(Remote obj, Object data)
	throws RemoteException;

    /**
     * Return the hostname of the current client.  When called from a
     * thread actively handling a remote method invocation the
     * hostname of the client is returned.
     * @exception ServerNotActiveException If called outside of servicing
     * a remote method invocation.
     */
    String getClientHost() throws ServerNotActiveException;
}