MonInternals.java :  » Profiler » JAMon » com » jamonapi » Java Open Source

package com.jamonapi;

import java.util.Iterator;

import com.jamonapi.utils.Misc;

/**
 * Contains the data associated with a monitor. These internals can be passed
 * around and shared by other monitor instances that are tracking aggregate
 * stats for the same MonKey. It mostly acts as a Struct with the exception of
 * the reset() method.
 * 
 * Created on December 11, 2005, 10:19 PM
 */

final class MonInternals {

  /** seed value to ensure that the first value always sets the max */
  static final double MAX_DOUBLE = -Double.MAX_VALUE;
  /** seed value to ensure that the first value always sets the min */
  static final double MIN_DOUBLE = Double.MAX_VALUE;

  MonKey key;

  /** the total for all values */
  double total = 0.0;
  /** The minimum of all values */
  double min = MIN_DOUBLE;
  /** The maximum of all values */
  double max = MAX_DOUBLE;
  /** The total number of occurrences/calls to this object */
  double hits = 0.0;
  /** Intermediate value used to calculate std dev */
  double sumOfSquares = 0.0;
  /** The most recent value that was passed to this object */
  double lastValue = 0.0;
  /** The first time this object was accessed */
  long firstAccess = 0;
  /** The last time this object was accessed */
  long lastAccess = 0;
  /** Is this a time monitor object? Used for performance optimizations */
  boolean isTimeMonitor = false;


  /** * jamon 2.4 from BaseMon enable/disable */

  boolean enabled = true;
  boolean trackActivity = false;
  String name = "";// for regular monitors empty. For range monitors
            // "Range1_"
  String displayHeader = "";// for regular monitors empty. rangeholder name
                // for ranges (i.e. 0_20ms)

  /** * added for jamon 2.4 from Mon */
  double maxActive = 0.0;
  double totalActive = 0.0;
  boolean isPrimary = false;
  boolean startHasBeenCalled = true;
  ActivityStats activityStats;
  // from MonitorImp
  RangeImp range;
  double allActiveTotal; // used to calculate the average active total
              // monitors for this distribution
  double primaryActiveTotal;
  double thisActiveTotal;
  
  Listeners listeners;
  
  MonInternals() {
    listeners=new Listeners(this);
  }



  public void reset() {

    hits = total = sumOfSquares = lastValue = 0.0;
    firstAccess = lastAccess = 0;
    min = MIN_DOUBLE;
    max = MAX_DOUBLE;

    // added from mon class
    maxActive = totalActive = 0.0;
    activityStats.thisActive.setCount(0);

    // added from frequencydistbase
    allActiveTotal = primaryActiveTotal = thisActiveTotal = 0;
    if (range != null)
      range.reset();
  }



}