net.sf.sensor.timer
Class TimerStatistics

java.lang.Object
  net.sf.sensor.timer.TimerStatistics

All Implemented Interfaces:

SensorStatistics

public class TimerStatistics

extends Object

implements SensorStatistics

Thread-safe, refreshable snapshot view to the internally managed TimerData representing the timing values as they were when the refresh() method was last called.

Author:

Age Mooy

Method Summary

long	getAverageTime() Returns the average time (in milliseconds) measured until the last call to refresh().
List	getChildren()
String	getId() Returns the string that uniquely identifies one instance of SensorStatistics.
Set	getLabels() Returns a Set<String> of all labels associated with an instance of SensorStatistics.
long	getMaximumTime() Returns the maximum time (in milliseconds) measured until the last call to refresh().
long	getMinimumTime() Returns the minimum time (in milliseconds) measured until the last call to refresh().
long	getNumberOfHits() Returns the number of hits counted until the last call to refresh().
long	getStandardDeviation() Returns the standard deviation (in milliseconds) measured until the last call to refresh().
long	getSumOfSquaresOfTimes() Returns the sumOfSquaresOfTimes.
long	getTimeOfFirstUpdate() Returns the timeOfFirstUpdate in millseconds since the usual 01-01-1970 00:00 UTC.
long	getTimeOfLastUpdate() Returns the timeOfLastUpdate in millseconds since the usual 01-01-1970 00:00 UTC.
long	getTotalTime() Returns the total time (in milliseconds) measured until the last call to refresh().
boolean	hasChildren() Returns true if this instance has one or more child instances.
void	refresh() Refreshes this instances and all its children.
void	reset() Resets the statistics to their default values.
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

getId

public String getId()

Description copied from interface: SensorStatistics

Returns the string that uniquely identifies one instance of SensorStatistics.

Specified by:

getId in interface SensorStatistics

Returns:

the string that uniquely identifies one instance of SensorStatistics.

See Also:

SensorStatistics.getId()

getLabels

public Set getLabels()

Description copied from interface: SensorStatistics

Returns a Set<String> of all labels associated with an instance of SensorStatistics.

Specified by:

getLabels in interface SensorStatistics

Returns:

a Set<String> of all labels associated with an instance of SensorStatistics.

See Also:

SensorStatistics.getLabels()

refresh

public void refresh()

Refreshes this instances and all its children.

Specified by:

refresh in interface SensorStatistics

See Also:

SensorStatistics.refresh()

reset

public void reset()

Description copied from interface: SensorStatistics

Resets the statistics to their default values.

Specified by:

reset in interface SensorStatistics

See Also:

SensorStatistics.reset()

hasChildren

public boolean hasChildren()

Returns true if this instance has one or more child instances.

Returns:

true if this instance has one or more child instances.

getChildren

public List getChildren()

Returns:

a List<TimerStatistics> of all the child instances.

getNumberOfHits

public long getNumberOfHits()

Returns the number of hits counted until the last call to refresh().

Returns:

the number of hits counted until the last call to refresh().

getTotalTime

public long getTotalTime()

Returns the total time (in milliseconds) measured until the last call to refresh().

Returns:

the total time (in milliseconds) measured until the last call to refresh().

getAverageTime

public long getAverageTime()

Returns the average time (in milliseconds) measured until the last call to refresh().

Returns:

the average time (in milliseconds) measured until the last call to refresh().

getStandardDeviation

public long getStandardDeviation()

Returns the standard deviation (in milliseconds) measured until the last call to refresh().

Returns:

the standard deviation (in milliseconds) measured until the last call to refresh().

getSumOfSquaresOfTimes

public long getSumOfSquaresOfTimes()

Returns the sumOfSquaresOfTimes.

Returns:

Returns the sumOfSquaresOfTimes.

getMinimumTime

public long getMinimumTime()

Returns the minimum time (in milliseconds) measured until the last call to refresh().

Returns:

the minimum time (in milliseconds) measured until the last call to refresh().

getMaximumTime

public long getMaximumTime()

Returns the maximum time (in milliseconds) measured until the last call to refresh().

Returns:

the maximum time (in milliseconds) measured until the last call to refresh().

getTimeOfFirstUpdate

public long getTimeOfFirstUpdate()

Returns the timeOfFirstUpdate in millseconds since the usual 01-01-1970 00:00 UTC.

Returns:

the timeOfFirstUpdate in millseconds since the usual 01-01-1970 00:00 UTC.

getTimeOfLastUpdate

public long getTimeOfLastUpdate()

Returns the timeOfLastUpdate in millseconds since the usual 01-01-1970 00:00 UTC.

Returns:

the timeOfLastUpdate in millseconds since the usual 01-01-1970 00:00 UTC.

toString

public String toString()

See Also:

Object.toString()