| /* |
| * Copyright (c) 2014 SAP SE. 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. |
| */ |
| |
| public class RecursiveObjectLock { |
| |
| public void testMethod() { |
| synchronized (this) { |
| nestedLock1(); |
| } |
| } |
| |
| public void nestedLock1() { |
| synchronized (this) { |
| nestedLock2(); |
| } |
| } |
| |
| public void nestedLock2() { |
| synchronized (this) { |
| callWait(); |
| } |
| } |
| |
| public void callWait(){ |
| try { |
| this.wait(1); |
| } catch (InterruptedException e) { |
| e.printStackTrace(); |
| } |
| breakpoint1(); |
| } |
| |
| public static void breakpoint1() { |
| // purpose: hold a breakpoint |
| } |
| |
| public static void main(String[] args) { |
| RecursiveObjectLock ro = new RecursiveObjectLock(); |
| ro.testMethod(); |
| System.out.println("ready"); |
| } |
| |
| } |