Example usage for org.apache.lucene.search TermQuery toString

Introduction

In this page you can find the example usage for org.apache.lucene.search TermQuery toString.

Prototype

@Override
public String toString(String field) 

Source Link

Document

Prints a user-readable version of this query.

Usage

From source file:io.anserini.index.IndexUtils.java

License:Apache License

public void printTermCounts(String termStr) throws IOException, ParseException {
    EnglishAnalyzer ea = new EnglishAnalyzer(CharArraySet.EMPTY_SET);
    QueryParser qp = new QueryParser(LuceneDocumentGenerator.FIELD_BODY, ea);
    TermQuery q = (TermQuery) qp.parse(termStr);
    Term t = q.getTerm();/*from w  w w. j av  a2  s .  c om*/

    System.out.println("raw term:             " + termStr);
    System.out.println("stemmed term:         " + q.toString(LuceneDocumentGenerator.FIELD_BODY));
    System.out.println("collection frequency: " + reader.totalTermFreq(t));
    System.out.println("document frequency:   " + reader.docFreq(t));

    PostingsEnum postingsEnum = MultiFields.getTermDocsEnum(reader, LuceneDocumentGenerator.FIELD_BODY,
            t.bytes());
    System.out.println("postings:\n");
    while (postingsEnum.nextDoc() != DocIdSetIterator.NO_MORE_DOCS) {
        System.out.printf("\t%s, %s\n", postingsEnum.docID(), postingsEnum.freq());
    }
}

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