jdk/test/java/rmi/server/UnicastRemoteObject/keepAliveDuringCall/ShutdownImpl.java

/* 
 * Copyright 2001 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

/*
 *
 */

import java.rmi.Remote;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.rmi.server.UnicastRemoteObject;

public class ShutdownImpl implements Shutdown {

    private static Remote impl;		// rooted here to prevent GC

    private final ShutdownMonitor monitor;

    private ShutdownImpl(ShutdownMonitor monitor) {
	this.monitor = monitor;
    }

    public void shutdown() {
	try {
	    System.err.println(
		"(ShutdownImpl.shutdown) shutdown method invoked:");

	    UnicastRemoteObject.unexportObject(this, true);
	    System.err.println(
		"(ShutdownImpl.shutdown) shutdown object unexported");

	    Thread.sleep(500);
	    System.err.println("(ShutDownImpl.shutdown) FEE");
	    Thread.sleep(500);
	    System.err.println("(ShutDownImpl.shutdown) FIE");
	    Thread.sleep(500);
	    System.err.println("(ShutDownImpl.shutdown) FOE");
	    Thread.sleep(500);
	    System.err.println("(ShutDownImpl.shutdown) FOO");

	    monitor.declareStillAlive();
	    System.err.println("(ShutDownImpl.shutdown) still alive!");
	} catch (Exception e) {
	    throw new RuntimeException(
		"unexpected exception occurred in shutdown method", e);
	}
    }

    public static void main(String[] args) {
	try {
	    Registry registry =
		LocateRegistry.getRegistry("", TestLibrary.REGISTRY_PORT);
	    ShutdownMonitor monitor = (ShutdownMonitor)
		registry.lookup(KeepAliveDuringCall.BINDING);
	    System.err.println("(ShutdownImpl) retrieved shutdown monitor");

	    impl = new ShutdownImpl(monitor);
	    Shutdown stub = (Shutdown) UnicastRemoteObject.exportObject(impl);
	    System.err.println("(ShutdownImpl) exported shutdown object");

	    monitor.submitShutdown(stub);
	    System.err.println("(ShutdownImpl) submitted shutdown object");

	} catch (Exception e) {
	    System.err.println("(ShutdownImpl) TEST SUBPROCESS FAILURE:");
	    e.printStackTrace();
	}
    }
}