Example usage for org.apache.lucene.index IndexReader document

Introduction

In this page you can find the example usage for org.apache.lucene.index IndexReader document.

Prototype

public final Document document(int docID, Set<String> fieldsToLoad) throws IOException

Source Link

Document

Like #document(int) but only loads the specified fields.

Usage

From source file:org.modeshape.search.lucene.query.ComparePathQuery.java

License:Open Source License

/**
 * {@inheritDoc}//from  w  ww .  j  a v  a  2s .c o  m
 * 
 * @see org.modeshape.search.lucene.query.CompareQuery#readFromDocument(org.apache.lucene.index.IndexReader, int)
 */
@Override
protected Path readFromDocument(IndexReader reader, int docId) throws IOException {
    Document doc = reader.document(docId, fieldSelector);
    String valueString = doc.get(fieldName);
    if (!caseSensitive)
        valueString = valueString.toLowerCase();
    return valueTypeFactory.create(valueString);
}

From source file:org.netbeans.modules.jackpot30.backend.impl.spi.StatisticsGenerator.java

License:Open Source License

public static Map<String, Long> generateStatistics(IndexReader r) throws IOException {
    statistics = new HashMap<String, Long>();

    Collection<? extends StatisticsGenerator> generators = Lookup.getDefault()
            .lookupAll(StatisticsGenerator.class);

    int maxDocs = r.maxDoc();

    for (int d = 0; d < maxDocs; d++) {
        Document doc = r.document(d, new FieldSelector() {
            @Override/*from  w ww .ja  v a2  s .  c  o m*/
            public FieldSelectorResult accept(String string) {
                return FieldSelectorResult.LAZY_LOAD;
            }
        });

        for (StatisticsGenerator sg : generators) {
            sg.amendStatistics(r, doc);
        }
    }

    Map<String, Long> result = statistics;

    statistics = null;

    return result;
}