org.elasticsearch.ingest.ValueSource Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of elasticsearch Show documentation
Show all versions of elasticsearch Show documentation
Elasticsearch subproject :server
/*
* 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.ingest;
import org.elasticsearch.common.util.Maps;
import org.elasticsearch.script.Script;
import org.elasticsearch.script.ScriptService;
import org.elasticsearch.script.ScriptType;
import org.elasticsearch.script.TemplateScript;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import static org.elasticsearch.script.Script.DEFAULT_TEMPLATE_LANG;
/**
* Holds a value. If the value is requested a copy is made and optionally template snippets are resolved too.
*/
public interface ValueSource {
/**
* Returns a copy of the value this ValueSource holds and resolves templates if there're any.
*
* For immutable values only a copy of the reference to the value is made.
*
* @param model The model to be used when resolving any templates
* @return copy of the wrapped value
*/
Object copyAndResolve(Map model);
static ValueSource wrap(Object value, ScriptService scriptService) {
return wrap(value, scriptService, Map.of());
}
static ValueSource wrap(Object value, ScriptService scriptService, Map scriptOptions) {
if (value instanceof Map) {
@SuppressWarnings("unchecked")
Map