Coverage Report - org.mule.management.stats.ComponentStatistics
 
Classes in this File Line Coverage Branch Coverage Complexity
ComponentStatistics
0%
0/53
0%
0/18
1.583
 
 1  
 /*
 2  
  * $Id: ComponentStatistics.java 19191 2010-08-25 21:05:23Z tcarlson $
 3  
  * --------------------------------------------------------------------------------------
 4  
  * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 5  
  *
 6  
  * The software in this package is published under the terms of the CPAL v1.0
 7  
  * license, a copy of which has been included with this distribution in the
 8  
  * LICENSE.txt file.
 9  
  */
 10  
 
 11  
 package org.mule.management.stats;
 12  
 
 13  
 import org.mule.api.management.stats.Statistics;
 14  
 import org.mule.management.stats.printers.SimplePrinter;
 15  
 import org.mule.util.StringUtils;
 16  
 
 17  
 import java.io.PrintWriter;
 18  
 
 19  
 import org.apache.commons.logging.Log;
 20  
 import org.apache.commons.logging.LogFactory;
 21  
 
 22  
 /**
 23  
  * 
 24  
  */
 25  
 public class ComponentStatistics implements Statistics
 26  
 {
 27  
 
 28  0
     protected final Log logger = LogFactory.getLog(getClass());
 29  
 
 30  
     /**
 31  
      * Serial version
 32  
      */
 33  
     private static final long serialVersionUID = -2086999226732861674L;
 34  
 
 35  0
     private long minExecutionTime = 0;
 36  0
     private long maxExecutionTime = 0;
 37  0
     private long averageExecutionTime = 0;
 38  0
     private long executedEvent = 0;
 39  0
     private long totalExecTime = 0;
 40  0
     private boolean enabled = false;
 41  0
     private long intervalTime = 0;
 42  0
     private long currentIntervalStartTime = 0;
 43  0
     private boolean statIntervalTimeEnabled = false;
 44  
 
 45  
     /**
 46  
      * The constructor added to initialize the interval time in ms that stats   
 47  
      * are measured for from the property statIntervalTime. If the property is 
 48  
      * not set or cannot be parsed, disable interval time and just compute 
 49  
      * stats from start of mule.
 50  
      * TODO: The code to create and use an interval time for measuring average execution 
 51  
      * time could be removed once a complete solution is available in MuleHQ to
 52  
      * monitor this
 53  
      */
 54  
     public ComponentStatistics() 
 55  0
     {
 56  0
         String intervalTimeString = System.getProperty("statIntervalTime");
 57  0
         if (StringUtils.isBlank(intervalTimeString))
 58  
         {
 59  0
             statIntervalTimeEnabled = false;
 60  
         }
 61  
         else
 62  
         {
 63  
             try
 64  
             {
 65  0
                 intervalTime = Integer.parseInt(intervalTimeString);
 66  0
                 statIntervalTimeEnabled = true;
 67  
             }
 68  0
             catch (NumberFormatException e)
 69  
             {
 70  
                 // just disable it
 71  0
                 statIntervalTimeEnabled = false;
 72  0
                 logger.warn("Couldn't parse statIntervalTime: " + intervalTimeString + ". Disabled.");
 73  0
             }
 74  
         }
 75  0
     }
 76  
 
 77  
     public void clear()
 78  
     {
 79  0
         minExecutionTime = 0;
 80  0
         maxExecutionTime = 0;
 81  0
         executedEvent = 0;
 82  0
         totalExecTime = 0;
 83  0
     }
 84  
 
 85  
     public boolean isEnabled()
 86  
     {
 87  0
         return enabled;
 88  
     }
 89  
 
 90  
     public void logSummary()
 91  
     {
 92  0
         logSummary(new SimplePrinter(System.out));
 93  0
     }
 94  
 
 95  
     public void logSummary(PrintWriter printer)
 96  
     {
 97  0
         printer.print(this);
 98  0
     }
 99  
 
 100  
     public void setEnabled(boolean b)
 101  
     {
 102  0
         this.enabled = b;
 103  0
     }
 104  
 
 105  
     public long getMaxExecutionTime()
 106  
     {
 107  0
         return maxExecutionTime;
 108  
     }
 109  
 
 110  
     public long getMinExecutionTime()
 111  
     {
 112  0
         return minExecutionTime;
 113  
     }
 114  
 
 115  
     public long getTotalExecutionTime()
 116  
     {
 117  0
         return totalExecTime;
 118  
     }
 119  
 
 120  
     /*
 121  
      * executedEvents is since interval started
 122  
      */
 123  
     public long getExecutedEvents()
 124  
     {
 125  0
         return executedEvent;
 126  
     }
 127  
 
 128  
     public synchronized void addExecutionTime(long time)
 129  
     {
 130  0
         if (statIntervalTimeEnabled)
 131  
         {
 132  0
             long currentTime = System.currentTimeMillis();
 133  0
             if (currentIntervalStartTime == 0)
 134  
             {
 135  0
                 currentIntervalStartTime = currentTime;
 136  
             }
 137  
 
 138  0
             if ((currentTime - currentIntervalStartTime) > intervalTime)
 139  
             {
 140  0
                 clear();
 141  0
                 currentIntervalStartTime = currentTime;
 142  
             }
 143  
         }
 144  
 
 145  0
         executedEvent++;
 146  
 
 147  0
         totalExecTime += (time == 0 ? 1 : time);
 148  
 
 149  0
         if (minExecutionTime == 0 || time < minExecutionTime)
 150  
         {
 151  0
             minExecutionTime = time;
 152  
         }
 153  0
         if (maxExecutionTime == 0 || time > maxExecutionTime)
 154  
         {
 155  0
             maxExecutionTime = time;
 156  
         }
 157  0
         averageExecutionTime = Math.round(totalExecTime / executedEvent);
 158  0
     }
 159  
 
 160  
     public long getAverageExecutionTime()
 161  
     {
 162  0
         return averageExecutionTime;
 163  
     }
 164  
 
 165  
 }