/*
* 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.index.search.child;
/**
* Defines how scores from child documents are mapped into the parent document.
*/
public enum ScoreType {
/**
* Only the lowest score of all matching child documents is mapped into the
* parent.
*/
MIN,
/**
* Only the highest score of all matching child documents is mapped into the
* parent.
*/
MAX,
/**
* The average score based on all matching child documents are mapped into
* the parent.
*/
AVG,
/**
* The matching children scores is summed up and mapped into the parent.
*/
SUM,
/**
* Scores are not taken into account
*/
NONE;
public static ScoreType fromString(String type) {
if ("none".equals(type)) {
return NONE;
} else if ("min".equals(type)) {
return MIN;
} else if ("max".equals(type)) {
return MAX;
} else if ("avg".equals(type)) {
return AVG;
} else if ("sum".equals(type)) {
return SUM;
} else if ("total".equals(type)) { // This name is consistent with: ScoreMode.Total
return SUM;
}
throw new IllegalArgumentException("No score type for child query [" + type + "] found");
}
}