// =================================================================================================
// 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.metrics;
public interface HistogramInterface {
/**
* Return the name of the histogram.
*/
String getName();
/**
* Resets the state of this Histogram. Clears all data points collected so far.
*/
void clear();
/**
* Adds a data point.
*/
void add(long n);
/**
* Returns a snapshot of the histogram.
*/
Snapshot snapshot();
}