/**
    * 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.core.contention;
  
  import ch.qos.logback.core.testUtil.RunnableWithCounterAndDone;
  
  /**
   * Useful scaffolding to measure the throughput of certain operations when
   * invoked by multiple threads.
   * 
   * @author Joern Huxhorn
   * @author Ralph Goers
   * @author Ceki Gulcu
   */
  public class ThreadedThroughputCalculator extends MultiThreadedHarness {
  
      public ThreadedThroughputCalculator(long overallDurationInMillis) {
          super(overallDurationInMillis);
      }
  
      public void printThroughput(RunnableWithCounterAndDone[] runnableArray, String msg) throws InterruptedException {
          printThroughput(runnableArray, msg, false);
      }
  
      public void printThroughput( RunnableWithCounterAndDone[] runnableArray, String msg, boolean detailed) throws InterruptedException {
          long sum = 0;
          for (RunnableWithCounterAndDone r : runnableArray) {
              if (detailed) {
                  System.out.println(r + " count=" + r.getCounter());
              }
              sum += r.getCounter();
          }
  
          System.out.println(msg + "total of " + sum + " operations, or " + ((sum) / overallDurationInMillis)
                  + " operations per millisecond");
      }
  }