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Java example source code file (Bug7017458.java)
The Bug7017458.java Java example source code/* * Copyright (c) 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 7017458 * @summary Test of multithreaded serialization/deserialization of Calendar. */ import java.io.*; import java.util.Calendar; public class Bug7017458 { static volatile boolean err = false; public static void main(String[] args) { try { new Bug7017458().perform(); } catch (Exception e) { e.printStackTrace(); err = true; } if (err) { throw new RuntimeException("Multithreaded serialization/deserialization test failed."); } else { System.out.println("Multithreaded serialization/deserialization test passed."); } } public void perform() throws Exception { int nbThreads = 8; Calendar cal = Calendar.getInstance(); SerializationThread[] threads = new SerializationThread[nbThreads]; for (int i = 0; i < nbThreads; i++) { threads[i] = new SerializationThread(cal); } for (int i = 0; i < nbThreads; i++) { threads[i].start(); } for (int i = 0; i < nbThreads; i++) { threads[i].join(); } DeserializationThread[] threads2 = new DeserializationThread[nbThreads]; for (int i = 0; i < nbThreads; i++) { threads2[i] = new DeserializationThread(threads[i].data); } for (int i = 0; i < nbThreads; i++) { threads2[i].start(); } for (int i = 0; i < nbThreads; i++) { threads2[i].join(); } } public class SerializationThread extends Thread { private Calendar cal; public byte[] data; public SerializationThread(Calendar cal) { this.cal = cal; } public void run() { try { ByteArrayOutputStream baos = new ByteArrayOutputStream(); ObjectOutputStream oos = new ObjectOutputStream(baos); oos.writeObject(cal); oos.flush(); oos.close(); data = baos.toByteArray(); } catch (Exception e) { e.printStackTrace(); err = true; } } } public class DeserializationThread extends Thread { public Calendar cal; public byte[] data; public DeserializationThread(byte[] data) { this.data = data; } public void run() { try { ByteArrayInputStream bais = new ByteArrayInputStream(data); ObjectInputStream ois = new ObjectInputStream(bais); cal = (Calendar) ois.readObject(); ois.close(); } catch (Exception e) { e.printStackTrace(); err = true; } } } } Other Java examples (source code examples)Here is a short list of links related to this Java Bug7017458.java source code file: |
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