106 lines
3.6 KiB
Java
106 lines
3.6 KiB
Java
/*
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* Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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import java.net.MalformedURLException;
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import java.net.URL;
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public class Starter implements Runnable {
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private String id;
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private DelegatingLoader dl;
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private String startClass;
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private static DelegatingLoader saLoader, sbLoader;
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public static void log(String line) {
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System.out.println(line);
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}
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public static void main(String[] args) {
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URL[] urlsa = new URL[1];
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URL[] urlsb = new URL[1];
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try {
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String testDir = System.getProperty("test.classes", ".");
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String sep = System.getProperty("file.separator");
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urlsa[0] = new URL("file://" + testDir + sep + "SA" + sep);
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urlsb[0] = new URL("file://" + testDir + sep + "SB" + sep);
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} catch (MalformedURLException e) {
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e.printStackTrace();
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}
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// Set up Classloader delegation hierarchy
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saLoader = new DelegatingLoader(urlsa);
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sbLoader = new DelegatingLoader(urlsb);
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String[] saClasses = { "comSA.SupBob", "comSA.Alice" };
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String[] sbClasses = { "comSB.SupAlice", "comSB.Bob" };
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saLoader.setDelegate(sbClasses, sbLoader);
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sbLoader.setDelegate(saClasses, saLoader);
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// test one-way delegate
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String testType = args[0];
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if (testType.equals("one-way")) {
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test("comSA.Alice", "comSA.SupBob");
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} else if (testType.equals("cross")) {
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// test cross delegate
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test("comSA.Alice", "comSB.Bob");
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} else {
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System.out.println("ERROR: unsupported - " + testType);
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}
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}
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private static void test(String clsForSA, String clsForSB) {
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Starter ia = new Starter("SA", saLoader, clsForSA);
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Starter ib = new Starter("SB", sbLoader, clsForSB);
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new Thread(ia).start();
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new Thread(ib).start();
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}
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public static void sleep() {
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try {
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Thread.sleep(500);
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} catch (InterruptedException e) {
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e.printStackTrace();
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log("Thread interrupted");
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}
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}
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private Starter(String id, DelegatingLoader dl, String startClass) {
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this.id = id;
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this.dl = dl;
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this.startClass = startClass;
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}
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public void run() {
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log("Spawned thread " + id + " running");
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try {
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// To mirror the WAS deadlock, need to ensure class load
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// is routed via the VM.
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Class.forName(startClass, true, dl);
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} catch (ClassNotFoundException e) {
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e.printStackTrace();
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}
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log("Thread " + id + " terminating");
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}
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}
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