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/*
* 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.script;
import java.util.Map;
/**
* A script used in bucket aggregations that returns a {@code double} value.
*/
public abstract class BucketAggregationScript {
public static final String[] PARAMETERS = {};
public static final ScriptContext CONTEXT = new ScriptContext<>("bucket_aggregation", Factory.class);
/**
* The generic runtime parameters for the script.
*/
private final Map params;
public BucketAggregationScript(Map params) {
this.params = params;
}
/**
* Return the parameters for this script.
*/
public Map getParams() {
return params;
}
public abstract Number execute();
public interface Factory extends ScriptFactory {
BucketAggregationScript newInstance(Map params);
}
}