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24  */
25 
26 
27 
28 package com.sun.org.glassfish.external.statistics;
29 
30 /**
31  * The Statistic model and its sub-models specify the data models which are requried to be used to provide the performance data described by the specific attributes in the Stats models.
32  */
33 public interface Statistic {
34     /**
35      * The name of this Statistic.
36      */
getName()37     String getName();
38 
39     /**
40      * The unit of measurement for this Statistic.
41      * Valid values for TimeStatistic measurements are "HOUR", "MINUTE", "SECOND", "MILLISECOND", "MICROSECOND" and "NANOSECOND".
42      */
getUnit()43     String getUnit();
44 
45     /**
46      * A human-readable description of the Statistic.
47      */
getDescription()48     String getDescription();
49 
50     /**
51      * The time of the first measurement represented as a long, whose value is the number of milliseconds since January 1, 1970, 00:00:00.
52      */
getStartTime()53     long getStartTime();
54 
55     /**
56      * The time of the last measurement represented as a long, whose value is the number of milliseconds since January 1, 1970, 00:00:00.
57      */
getLastSampleTime()58     long getLastSampleTime();
59 }
60