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Elasticsearch subproject :server
/*
* 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.search.suggest.phrase;
import org.apache.lucene.codecs.TermStats;
import org.apache.lucene.util.BytesRef;
import org.elasticsearch.search.suggest.phrase.DirectCandidateGenerator.Candidate;
import org.elasticsearch.search.suggest.phrase.DirectCandidateGenerator.CandidateSet;
import java.io.IOException;
//TODO public for tests
public abstract class CandidateGenerator {
public abstract boolean isKnownWord(BytesRef term) throws IOException;
public abstract TermStats termStats(BytesRef term) throws IOException;
public CandidateSet drawCandidates(BytesRef term) throws IOException {
CandidateSet set = new CandidateSet(Candidate.EMPTY, createCandidate(term, true));
return drawCandidates(set);
}
public Candidate createCandidate(BytesRef term, boolean userInput) throws IOException {
return createCandidate(term, termStats(term), 1.0, userInput);
}
public Candidate createCandidate(BytesRef term, TermStats termStats, double channelScore) throws IOException {
return createCandidate(term, termStats, channelScore, false);
}
public abstract Candidate createCandidate(BytesRef term, TermStats termStats, double channelScore, boolean userInput)
throws IOException;
public abstract CandidateSet drawCandidates(CandidateSet set) throws IOException;
}