// ================================================================================================= // Copyright 2013 Twitter, Inc. // ------------------------------------------------------------------------------------------------- // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this work except in compliance with the License. // You may obtain a copy of the License in the LICENSE file, or at: // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // ================================================================================================= package com.twitter.common.stats; /** * An interface for Histogram */ public interface Histogram { /** * Add an entry into the histogram. * @param x the value to insert. */ void add(long x); /** * Clear the histogram. */ void clear(); /** * Return the current quantile of the histogram. * @param quantile value to compute. */ long getQuantile(double quantile); /** * Return the quantiles of the histogram. * @param quantiles array of values to compute. */ long[] getQuantiles(double[] quantiles); }