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1 /* |
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2 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 |
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27 |
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28 package com.sun.org.glassfish.external.statistics; |
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29 |
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30 /** |
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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. |
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32 */ |
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33 public interface Statistic { |
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34 /** |
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35 * The name of this Statistic. |
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36 */ |
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37 String getName(); |
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38 |
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39 /** |
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40 * The unit of measurement for this Statistic. |
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41 * Valid values for TimeStatistic measurements are "HOUR", "MINUTE", "SECOND", "MILLISECOND", "MICROSECOND" and "NANOSECOND". |
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42 */ |
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43 String getUnit(); |
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44 |
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45 /** |
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46 * A human-readable description of the Statistic. |
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47 */ |
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48 String getDescription(); |
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49 |
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50 /** |
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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. |
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52 */ |
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53 long getStartTime(); |
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54 |
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55 /** |
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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. |
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57 */ |
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58 long getLastSampleTime(); |
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59 } |