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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.schema;
import com.yahoo.searchlib.rankingexpression.RankingExpression;
import com.yahoo.searchlib.rankingexpression.parser.ParseException;
/**
* A low-cost ranking profile to use for watcher queries etc.
*
* @author Vegard Havdal
*/
public class UnrankedRankProfile extends RankProfile {
public UnrankedRankProfile(Schema schema, RankProfileRegistry rankProfileRegistry) {
super("unranked", schema, rankProfileRegistry);
try {
RankingExpression exp = new RankingExpression("value(0)");
this.setFirstPhaseRanking(exp);
} catch (ParseException e) {
throw new IllegalArgumentException("Could not parse the ranking expression 'value(0)' when setting up " +
"the 'unranked' rank profile");
}
this.setIgnoreDefaultRankFeatures(true);
this.setKeepRankCount(0);
this.setRerankCount(0);
}
}
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