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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.index.fielddata;
import java.io.IOException;
/**
* Per-document histogram value. Every value of the histogram consist on
* a value and a count.
*/
public abstract class HistogramValue {
/**
* Advance this instance to the next value of the histogram
* @return true if there is a next value
*/
public abstract boolean next() throws IOException;
/**
* the current value of the histogram
* @return the current value of the histogram
*/
public abstract double value();
/**
* The current count of the histogram
* @return the current count of the histogram
*/
public abstract int count();
}