org.elasticsearch.script.TemplateScript Maven / Gradle / Ivy
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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
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.script;
import java.util.Map;
/**
* A string template rendered as a script.
*/
public abstract class TemplateScript {
private final Map params;
public TemplateScript(Map params) {
this.params = params;
}
/** Return the parameters for this script. */
public Map getParams() {
return params;
}
public static final String[] PARAMETERS = {};
/** Run a template and return the resulting string, encoded in utf8 bytes. */
public abstract String execute();
public interface Factory {
TemplateScript newInstance(Map params);
}
public static final ScriptContext CONTEXT = new ScriptContext<>("template", Factory.class);
}