javax.management.j2ee.statistics
Interface Statistic

All Known Subinterfaces:

BoundaryStatistic, BoundedRangeStatistic, CountStatistic, RangeStatistic, TimeStatistic

public interface Statistic

The Statistic interface and its subinterfaces specify the required accessors which provide the performance data described by the specific attributes in the Stats interfaces. The Statistic subinterfaces specify accessors which provide statistical data about count, time, and both bounded and unbounded ranges.

Version:

$Revision: 1.1 $

Author:

Laurent Etiemble

Method Summary

java.lang.String	getDescription() Returns a human-readable description of the Statistic.
long	getLastSampleTime() Returns the time the most recent measurment was taken represented as a long, whose value is the number of milliseconds since "January 1, 1970, 00:00:00".
java.lang.String	getName() Returns the name of this Statistic.
long	getStartTime() Returns the time the first measurment was taken represented as a long, whose value is the number of milliseconds since "January 1, 1970, 00:00:00".
java.lang.String	getUnit() Returns the unit of measurement for this Statistic.

Method Detail

getName

public java.lang.String getName()

Returns the name of this Statistic. The name must always correspond to the name of the Stats accessor that is providing the data for this statistic.

Returns:

The name value

getUnit

public java.lang.String getUnit()

Returns the unit of measurement for this Statistic. Valid values for TimeStatistic measurements are "HOUR", "MINUTE", "SECOND", "MILLISECOND", "MICROSECOND" and "NANOSECOND".

Returns:

The unit

getDescription

public java.lang.String getDescription()

Returns a human-readable description of the Statistic.

Returns:

The description

getStartTime

public long getStartTime()

Returns the time the first measurment was taken represented as a long, whose value is the number of milliseconds since "January 1, 1970, 00:00:00".

Returns:

The start time value

getLastSampleTime

public long getLastSampleTime()

Returns the time the most recent measurment was taken represented as a long, whose value is the number of milliseconds since "January 1, 1970, 00:00:00".

Returns:

The last sample time value