1 /*
   2  * Copyright (c) 2013, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package jdk.testlibrary.thread;
  25 
  26 /**
  27  * This type serves no other purpose than to simply allow automatically running
  28  * something in a thread, and have all exceptions propagated to
  29  * RuntimeExceptions, which are thrown up to thread, which in turn should
  30  * probably be a {@link TestThread} to they are stored.
  31  */
  32 public abstract class XRun implements Runnable {
  33 
  34     /**
  35      * Invokes {@code xrun()} and throws all exceptions caught in it
  36      * up to the thread.
  37      */
  38     public final void run() {
  39         try {
  40             xrun();
  41         } catch (Error e) {
  42             throw e;
  43         } catch (RuntimeException e) {
  44             throw e;
  45         } catch (Throwable e) {
  46             throw new RuntimeException(e);
  47         }
  48     }
  49 
  50     /**
  51      * Override this method to implement what to run in the thread.
  52      *
  53      * @throws Throwable
  54      */
  55     protected abstract void xrun() throws Throwable;
  56 }
  57