/*
 * 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", the "GNU Affero General Public License v3.0 only", 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", the "GNU Affero General Public
 * License v3.0 only", or the "Server Side Public License, v 1".
 */

package org.elasticsearch.script;

import org.elasticsearch.index.similarity.ScriptedSimilarity;

/** A script that is used to compute scoring factors that are the same for all documents. */
public abstract class SimilarityWeightScript {

    /** Compute the weight.
     * @param query  scoring factors that come from the query
     * @param field  field-level statistics
     * @param term   term-level statistics
     */
    public abstract double execute(ScriptedSimilarity.Query query, ScriptedSimilarity.Field field, ScriptedSimilarity.Term term);

    public interface Factory extends ScriptFactory {
        SimilarityWeightScript newInstance();
    }

    public static final String[] PARAMETERS = new String[] { "query", "field", "term" };
    public static final ScriptContext<Factory> CONTEXT = new ScriptContext<>("similarity_weight", Factory.class);
}