Example usage for org.apache.lucene.search SortedNumericSortField SortedNumericSortField

Introduction

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

Prototype

public SortedNumericSortField(String field, SortField.Type type) 

Source Link

Document

Creates a sort, by the minimum value in the set for the document.

Usage

From source file:ntu.searchengine.Searcher.java

public ArrayList<SearchResultModel> search(String queryString) throws ParseException, IOException {
    parser.prepare(queryString);//from  w w  w. j  a  va  2 s  .co  m
    Query query = parser.parse(queryString);
    TopDocs hits = null;
    if (Main.sortResultByDocId) { //If we sort the documents the score field will be NaN
        //Sort by doc number
        final Sort sort = new Sort(new SortedNumericSortField(FieldConstants.DOCNAME, SortField.Type.INT));
        hits = is.search(query, Main.topNResult, sort);
    } else {
        hits = is.search(query, Main.topNResult);
    }

    System.out.println("Result for query: " + queryString);
    ArrayList<SearchResultModel> result = getResult(hits, query);
    return ScoringFiltering.filterScores(result);
}

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From source file:org.elasticsearch.search.searchafter.SearchAfterBuilderTests.java

License:Apache License

public void testExtractSortType() throws Exception {
    SortField.Type type = extractSortType(LatLonDocValuesField.newDistanceSort("field", 0.0, 180.0));
    assertThat(type, equalTo(SortField.Type.DOUBLE));
    IndexFieldData.XFieldComparatorSource source = new IndexFieldData.XFieldComparatorSource(null,
            MultiValueMode.MIN, null) {//  www.j a v  a 2  s. c  o  m
        @Override
        public SortField.Type reducedType() {
            return SortField.Type.STRING;
        }

        @Override
        public FieldComparator<?> newComparator(String fieldname, int numHits, int sortPos, boolean reversed) {
            return null;
        }
    };

    type = extractSortType(new SortField("field", source));
    assertThat(type, equalTo(SortField.Type.STRING));

    type = extractSortType(new SortedNumericSortField("field", SortField.Type.DOUBLE));
    assertThat(type, equalTo(SortField.Type.DOUBLE));

    type = extractSortType(new SortedSetSortField("field", false));
    assertThat(type, equalTo(SortField.Type.STRING));
}

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From source file:org.hibernate.search.demos.tweets.ServiceImpl.java

License:LGPL

/**
 * To search for all tweets, sorted in creation order (assuming the timestamp is correct).
 * @return//from  w w w . ja  v  a 2  s .  co m
 */
public FullTextQuery allTweetsSortedByTime() {
    Query query = getQueryBuilder().all().createQuery();
    FullTextQuery fullTextQuery = fullTextEntityManager.createFullTextQuery(query);
    fullTextQuery.setSort(new Sort(new SortedNumericSortField("timestamp", SortField.Type.LONG)));
    return fullTextQuery;
}

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