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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 org.apache.lucene.index.LeafReaderContext;
import org.elasticsearch.search.lookup.SearchLookup;
import java.io.IOException;
import java.util.Map;
/**
* A search script.
*/
public interface SearchScript {
LeafSearchScript getLeafSearchScript(LeafReaderContext context) throws IOException;
/**
* Indicates if document scores may be needed by this {@link SearchScript}.
*
* @return {@code true} if scores are needed.
*/
boolean needsScores();
interface Compiled {
SearchScript newInstance(Map<String, Object> params, SearchLookup lookup);
}
ScriptContext<Compiled> CONTEXT = new ScriptContext<>("search", Compiled.class);
// TODO: remove aggs context when it has its own interface
ScriptContext<SearchScript.Compiled> AGGS_CONTEXT = new ScriptContext<>("aggs", Compiled.class);
}
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