/* * JBoss, Home of Professional Open Source. * Copyright 2008, Red Hat Middleware LLC, and individual contributors * as indicated by the @author tags. See the copyright.txt file in the * distribution for a full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package javax.management.j2ee.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. * * @author thomas.diesler@jboss.org */ public interface Statistic { /** * The name of this Statistic. */ public String getName(); /** * The unit of measurement for this Statistic. Valid values for TimeStatistic measurements are "HOUR", "MINUTE", "SECOND", "MILLISECOND", "MICROSECOND" and "NANOSECOND". */ public String getUnit(); /** * A human-readable description of the Statistic. */ public 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. */ public 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. */ public long getLastSampleTime(); }