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TimeStatisticImpl (JBoss/Management API) - JBoss 4.0.1 sp1 management API Documentation 英文版文档

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org.jboss.management.j2ee.statistics
Class TimeStatisticImpl

java.lang.Object
  org.jboss.management.j2ee.statistics.StatisticImpl
      org.jboss.management.j2ee.statistics.TimeStatisticImpl

All Implemented Interfaces:

Serializable, javax.management.j2ee.statistics.Statistic, javax.management.j2ee.statistics.TimeStatistic

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public class TimeStatisticImpl

extends StatisticImpl

implements javax.management.j2ee.statistics.TimeStatistic

Time Statisitic Container for JBoss.

Version:

$Revision: 1.4 $

Author:

Marc Fleury, Andreas Schaefer

See Also:

Serialized Form

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Field Summary
protected  long	count
protected  long	maxTime
protected  long	minTime
protected  double	requestRate
protected  long	totalTime

 

Fields inherited from class org.jboss.management.j2ee.statistics.StatisticImpl

description, lastSampleTime, name, startTime, units

 

Constructor Summary

TimeStatisticImpl(String name, String units, String description)           Create a TimeStatistic

 

Method Summary
void	add(long pTime)           Adds a Statistic Information about the elapsed time an action observed by this instance took.
long	getCount()           Number of times the operation was invoked since the beginning of this measurement.
long	getMaxTime()           The maximum amount of time taken to complete one invocation of this operation since the beginning of this measurement.
long	getMinTime()           The minimum amount of time taken to complete one invocation of this operation since the beginning of this measurement.
double	getRequestRate()
long	getTotalTime()           This is the sum total of time taken to complete every invocation of this operation since the beginning of this measurement.
void	reset()           Resets the statistics to the initial values
void	set(long count, long minTime, long maxTime, long totalTime)           Set all TimeStatistic values.
String	toString()

 

Methods inherited from class org.jboss.management.j2ee.statistics.StatisticImpl

getDescription, getLastSampleTime, getName, getStartTime, getUnit, set

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Methods inherited from interface javax.management.j2ee.statistics.Statistic

getDescription, getLastSampleTime, getName, getStartTime, getUnit

 

Field Detail

count

protected long count

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minTime

protected long minTime

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maxTime

protected long maxTime

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totalTime

protected long totalTime

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requestRate

protected double requestRate

Constructor Detail

TimeStatisticImpl

public TimeStatisticImpl(String name,
                         String units,
                         String description)

Create a TimeStatistic

Parameters:

name - the name of the state

units - the units of the stat

description - a description of the stat

Method Detail

getCount

public long getCount()

Description copied from interface: javax.management.j2ee.statistics.TimeStatistic

Number of times the operation was invoked since the beginning of this measurement.

Specified by:

getCount in interface javax.management.j2ee.statistics.TimeStatistic

Returns:

The number of times a time measurements was added

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getMinTime

public long getMinTime()

Description copied from interface: javax.management.j2ee.statistics.TimeStatistic

The minimum amount of time taken to complete one invocation of this operation since the beginning of this measurement.

Specified by:

getMinTime in interface javax.management.j2ee.statistics.TimeStatistic

Returns:

The minimum time added since start of the measurements

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getMaxTime

public long getMaxTime()

Description copied from interface: javax.management.j2ee.statistics.TimeStatistic

The maximum amount of time taken to complete one invocation of this operation since the beginning of this measurement.

Specified by:

getMaxTime in interface javax.management.j2ee.statistics.TimeStatistic

Returns:

The maximum time added since start of the measurements

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getTotalTime

public long getTotalTime()

Description copied from interface: javax.management.j2ee.statistics.TimeStatistic

This is the sum total of time taken to complete every invocation of this operation since the beginning of this measurement. Dividing totalTime by count will give you the average execution time for this operation.

Specified by:

getTotalTime in interface javax.management.j2ee.statistics.TimeStatistic

Returns:

The sum of all the time added to the measurements since it started

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getRequestRate

public double getRequestRate()

Returns:

The request rate which is the number of counts divided by the time elapsed since the time measurements started

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toString

public String toString()

Overrides:

toString in class StatisticImpl

Returns:

Debug Information about this instance

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add

public void add(long pTime)

Adds a Statistic Information about the elapsed time an action observed by this instance took.

Parameters:

pTime - Time elapsed to added to a statistics

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reset

public void reset()

Resets the statistics to the initial values

Overrides:

reset in class StatisticImpl

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set

public void set(long count,
                long minTime,
                long maxTime,
                long totalTime)

Set all TimeStatistic values.

Parameters:

count - the invocation count

minTime - the min time for an invocation

maxTime - the max time for an invocation

totalTime - the total time for all invocations

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