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 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License 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
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package org.elasticsearch.common.lucene.search.function;

import org.apache.lucene.search.Explanation;

import java.io.IOException;

/** Per-leaf {@link ScoreFunction}. */
public abstract class LeafScoreFunction {

    public abstract double score(int docId, float subQueryScore) throws IOException;

    public abstract Explanation explainScore(int docId, Explanation subQueryScore) throws IOException;

}
