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Elasticsearch subproject :server
/*
* 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 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);
}
}