/**
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v1.0 as published by
    * the Eclipse Foundation
    *
    *   or (per the licensee's choosing)
   *
   * under the terms of the GNU Lesser General Public License version 2.1
   * as published by the Free Software Foundation.
   */
  package ch.qos.logback.classic.issue.lbclassic135.lbclassic139;
  
  import org.slf4j.Logger;
  
  import ch.qos.logback.classic.LoggerContext;
  import ch.qos.logback.core.contention.RunnableWithCounterAndDone;
  
  /**
   * 
   * @author Olivier Cailloux
   * 
   */
  public class Worker extends RunnableWithCounterAndDone {
      static final int SLEEP_DUIRATION = 50;
  
      private Logger logger;
      private final Object lock = new Object();
  
      final LoggerContext loggerContext;
  
      Worker(LoggerContext lc) {
          loggerContext = lc;
          logger = lc.getLogger(this.getClass());
      }
  
      public void run() {
          print("entered run()");
          while (!isDone()) {
              synchronized (lock) {
                  sleep();
                  logger.info("lock the logger");
              }
          }
          print("leaving run()");
      }
  
      @Override
      public String toString() {
          print("In Worker.toString() - about to access lock");
          synchronized (lock) {
              print("In Worker.toString() - got the lock");
              // sleep();
              return "STATUS";
          }
      }
  
      public void sleep() {
          try {
              print("About to go to sleep");
              Thread.sleep(SLEEP_DUIRATION);
              print("just woke up");
          } catch (InterruptedException exc) {
              exc.printStackTrace();
          }
      }
  
      void print(String msg) {
          String thread = Thread.currentThread().getName();
          System.out.println("[" + thread + "] " + msg);
      }
  }