Example usage for org.apache.lucene.benchmark.quality QualityStats QualityStats

Introduction

In this page you can find the example usage for org.apache.lucene.benchmark.quality QualityStats QualityStats.

Prototype

public QualityStats(double maxGoodPoints, long searchTime) 

Source Link

Document

Construct a QualityStats object with anticipated maximal number of relevant hits.

Usage

From source file:lucene.ri.QualityBenchmark.java

License:Apache License

private QualityStats analyzeQueryResults(QualityQuery qq, Query q, TopDocs td, Judge judge, PrintWriter logger,
        long searchTime) throws IOException {
    QualityStats stts = new QualityStats(judge.maxRecall(qq), searchTime);

    ScoreDoc sd[] = td.scoreDocs;/*from  w  ww  .  j  a va  2 s  .c om*/
    long t1 = System.currentTimeMillis(); // extraction of first doc name we measure also construction of doc name extractor, just in case.
    DocNameExtractor xt = new DocNameExtractor(docNameField);

    for (int i = 0; i < sd.length; i++) {

        String docName = xt.docName(searcher.indexSearcher, sd[i].doc);
        long docNameExtractTime = System.currentTimeMillis() - t1;
        t1 = System.currentTimeMillis();
        boolean isRelevant = judge.isRelevant(docName, qq);
        stts.addResult(i + 1, isRelevant, docNameExtractTime);

    }

    if (logger != null) {

        logger.println(qq.getQueryID() + "  -  " + q);
        stts.log(qq.getQueryID() + " Stats:", 1, logger, "  ");

    }
    return stts;
}

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