Java example source code file (Statistic.java)

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Java - Java tags/keywords

statistic, string

The Statistic.java Java example source code

/*
 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package com.sun.org.glassfish.external.statistics;

/**
 * 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.
 */
public interface Statistic {
    /**
     * The name of this Statistic.
     */
    String getName();

    /**
     * The unit of measurement for this Statistic.
     * Valid values for TimeStatistic measurements are "HOUR", "MINUTE", "SECOND", "MILLISECOND", "MICROSECOND" and "NANOSECOND".
     */
    String getUnit();

    /**
     * A human-readable description of the Statistic.
     */
    String getDescription();

    /**
     * The time of the first measurement represented as a long, whose value is the number of milliseconds since January 1, 1970, 00:00:00.
     */
    long getStartTime();

    /**
     * The time of the last measurement represented as a long, whose value is the number of milliseconds since January 1, 1970, 00:00:00.
     */
    long getLastSampleTime();
}