/* *************************************************************************************** * Copyright (C) 2006 EsperTech, Inc. All rights reserved. * * http://www.espertech.com/esper * * http://www.espertech.com * * ---------------------------------------------------------------------------------- * * The software in this package is published under the terms of the GPL license * * a copy of which has been included with this distribution in the license.txt file. * *************************************************************************************** */ /*************************************************************************************** * Attribution Notice * * This file is imported from Metrics (https://github.com/codahale/metrics subproject metrics-core). * Metrics is Copyright (c) 2010-2012 Coda Hale, Yammer.com * Metrics is Published under Apache Software License 2.0, see LICENSE in root folder. * * Thank you for the Metrics developers efforts in making their library available under an Apache license. * EsperTech incorporates Metrics version 0.2.2 in source code form since Metrics depends on SLF4J * and this dependency is not possible to introduce for Esper. * ************************************************************************************* */ package com.espertech.esper.metrics.codahale_metrics.metrics.core; /** * An object which can produce statistical summaries. */ public interface Summarizable { /** * Returns the largest recorded value. * * @return the largest recorded value */ double max(); /** * Returns the smallest recorded value. * * @return the smallest recorded value */ double min(); /** * Returns the arithmetic mean of all recorded values. * * @return the arithmetic mean of all recorded values */ double mean(); /** * Returns the standard deviation of all recorded values. * * @return the standard deviation of all recorded values */ double stdDev(); /** * Returns the sum of all recorded values. * * @return the sum of all recorded values */ double sum(); }