org.elasticsearch.index.mapper.CompositeRuntimeField Maven / Gradle / Ivy

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Elasticsearch subproject :server

There is a newer version: 8.13.4

/*
 * 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.mapper;

import org.elasticsearch.script.CompositeFieldScript;
import org.elasticsearch.script.Script;
import org.elasticsearch.search.lookup.SearchLookup;
import org.elasticsearch.xcontent.XContentBuilder;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Stream;

/**
 * A runtime field of type object. Defines a script at the top level, which emits multiple sub-fields.
 * The sub-fields are declared within the object in order to be made available to the field_caps and search API.
 */
public class CompositeRuntimeField implements RuntimeField {

    public static final String CONTENT_TYPE = "composite";

    public static final Parser PARSER = new Parser(name -> new RuntimeField.Builder(name) {
        private final FieldMapper.Parameter