test/jdk/lib/testlibrary/jdk/testlibrary/XRun.java

/*
 * Copyright (c) 2013, 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.
 */

package jdk.testlibrary;

/**
 * This type serves no other purpose than to simply allow automatically running
 * something in a thread, and have all exceptions propagated to
 * RuntimeExceptions, which are thrown up to thread, which in turn should
 * probably be a {@link TestThread} to they are stored.
 */
public abstract class XRun implements Runnable {

    /**
     * Invokes {@code xrun()} and throws all exceptions caught in it
     * up to the thread.
     */
    public final void run() {
        try {
            xrun();
        } catch (Error e) {
            throw e;
        } catch (RuntimeException e) {
            throw e;
        } catch (Throwable e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * Override this method to implement what to run in the thread.
     *
     * @throws Throwable
     */
    protected abstract void xrun() throws Throwable;
}