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

List of usage examples for org.apache.lucene.search Sort Sort

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Introduction

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

Prototype

public Sort(SortField... fields)

Source Link

Document

Sets the sort to the given criteria in succession: the first SortField is checked first, but if it produces a tie, then the second SortField is used to break the tie, etc.

Usage

From source file:org.fenixedu.bennu.search.Search.java

License:Open Source License

public <T extends Indexable> List<T> search(Class<T> type, int maxHits) {
    if (sort.isEmpty()) {
        return DomainIndexSystem.search(type, query, maxHits);
    }/*from w  w w  .  jav a2  s. com*/
    return DomainIndexSystem.search(type, query, maxHits, new Sort(sort.toArray(new SortField[0])));
}

From source file:org.geotoolkit.lucene.filter.SpatialQuery.java

License:Open Source License

@Override
public void setSort(String fieldName, boolean desc, Character fieldType) {
    final SortField sf;
    if (fieldType != null) {
        switch (fieldType) {
        case 'd':
            sf = new SortField(fieldName, SortField.Type.DOUBLE, desc);
            break;
        case 'i':
            sf = new SortField(fieldName, SortField.Type.INT, desc);
            break;
        case 'f':
            sf = new SortField(fieldName, SortField.Type.FLOAT, desc);
            break;
        case 'l':
            sf = new SortField(fieldName, SortField.Type.LONG, desc);
            break;
        default:/*from w w w.j  a va  2 s .co m*/
            sf = new SortField(fieldName, SortField.Type.STRING, desc);
            break;
        }
    } else {
        sf = new SortField(fieldName, SortField.Type.STRING, desc);
    }

    final Sort sortFilter = new Sort(sf);
    setSort(sortFilter);
}

From source file:org.hbasene.index.search.TestHBaseIndexSearcher.java

License:Apache License

@Test
public void testSortFieldAsc() throws IOException {
    LOG.info(this.airportMap.toString());
    TermQuery termQuery = new TermQuery(new Term("searchterm", "always"));
    Sort sort = new Sort(new SortField("airport", SortField.STRING));
    TopDocs docs = this.indexSearcher.search(termQuery.createWeight(indexSearcher), null, 25, sort, false);
    LOG.info("Total results are " + docs.scoreDocs.length);
    this.printScoreDocs(docs.scoreDocs, "Sorted ");
    assertSortOrderAsc(docs.scoreDocs);/*from  ww w.j a v  a 2s .co  m*/

}

From source file:org.hbasene.index.search.TestHBaseIndexSearcher.java

License:Apache License

@Test
public void testSortFieldDesc() throws IOException {
    LOG.info(this.airportMap.toString());
    TermQuery termQuery = new TermQuery(new Term("searchterm", "always"));
    Sort sort = new Sort(new SortField("airport", SortField.STRING, true));
    //sort by reverse
    TopDocs docs = this.indexSearcher.search(termQuery.createWeight(indexSearcher), null, 25, sort, false);
    LOG.info("Total results are " + docs.scoreDocs.length);
    this.printScoreDocs(docs.scoreDocs, "Sorted ");
    assertSortOrderDesc(docs.scoreDocs);
}

From source file:org.hibernate.hql.lucene.internal.LuceneQueryRendererDelegate.java

License:Open Source License

@Override
public LuceneQueryParsingResult getResult() {
    Sort sort = null;//from   w  ww .  j  av a2  s.co  m
    if (sortFields != null) {
        sort = new Sort(sortFields.toArray(new SortField[sortFields.size()]));
    }
    return new LuceneQueryParsingResult(builder.build(), targetTypeName, targetType, projections, sort);
}

From source file:org.hibernate.search.backend.elasticsearch.test.ElasticsearchIT.java

License:LGPL

@Test
public void testFirstResultAndMaxResults() throws Exception {
    Session s = openSession();/* w  w  w  .  j  ava 2 s  . com*/
    FullTextSession session = Search.getFullTextSession(s);
    Transaction tx = s.beginTransaction();

    QueryDescriptor query = ElasticsearchQueries
            .fromJson("{ 'query': { 'match' : { 'abstract' : 'Hibernate' } } }");
    List<?> result = session.createFullTextQuery(query, ScientificArticle.class).setFirstResult(1)
            .setMaxResults(2).setSort(new Sort(new SortField("id", SortField.Type.STRING, false))).list();

    assertThat(result).onProperty("title").containsOnly("Latest in ORM", "High-performance ORM");
    tx.commit();
    s.close();
}

From source file:org.hibernate.search.backend.elasticsearch.test.ElasticsearchIT.java

License:LGPL

@Test
public void testScroll() throws Exception {
    Session s = openSession();//  w  ww  .  jav  a  2 s  .c o  m
    FullTextSession session = Search.getFullTextSession(s);
    Transaction tx = s.beginTransaction();

    QueryDescriptor query = ElasticsearchQueries
            .fromJson("{ 'query': { 'match' : { 'abstract' : 'Hibernate' } } }");
    FullTextQuery fullTextQuery = session.createFullTextQuery(query, ScientificArticle.class)
            .setSort(new Sort(new SortField("id", SortField.Type.STRING, false)));

    ScrollableResults scrollableResults = fullTextQuery.scroll();

    assertEquals(-1, scrollableResults.getRowNumber());
    assertTrue(scrollableResults.last());
    assertEquals(3, scrollableResults.getRowNumber());
    scrollableResults.beforeFirst();

    List<ScientificArticle> articles = new ArrayList<>();
    while (scrollableResults.next()) {
        articles.add((ScientificArticle) scrollableResults.get()[0]);
    }
    scrollableResults.close();

    assertThat(articles).onProperty("title").containsExactly("ORM for dummies", "Latest in ORM",
            "High-performance ORM", "ORM modelling");

    fullTextQuery = session.createFullTextQuery(query, ScientificArticle.class)
            .setSort(new Sort(new SortField("id", SortField.Type.STRING, false)));

    scrollableResults = fullTextQuery.setFirstResult(1).setMaxResults(2).scroll();

    assertEquals(-1, scrollableResults.getRowNumber());
    assertTrue(scrollableResults.last());
    assertEquals(1, scrollableResults.getRowNumber());
    scrollableResults.beforeFirst();

    articles = new ArrayList<>();
    while (scrollableResults.next()) {
        articles.add((ScientificArticle) scrollableResults.get()[0]);
    }
    scrollableResults.close();

    assertThat(articles).onProperty("title").containsExactly("Latest in ORM", "High-performance ORM");

    tx.commit();
    s.close();
}

From source file:org.hibernate.search.backend.elasticsearch.test.ElasticsearchIT.java

License:LGPL

@Test
public void testSort() throws Exception {
    Session s = openSession();/*  w ww.  java2s. c o  m*/
    FullTextSession session = Search.getFullTextSession(s);
    Transaction tx = s.beginTransaction();

    QueryDescriptor query = ElasticsearchQueries
            .fromJson("{ 'query': { 'match' : { 'abstract' : 'Hibernate' } } }");

    // by title, ascending
    List<?> result = session.createFullTextQuery(query, ScientificArticle.class)
            .setSort(new Sort(new SortField("title", SortField.Type.STRING, false))).list();

    assertThat(result).onProperty("title").containsExactly("High-performance ORM", "Latest in ORM",
            "ORM for dummies", "ORM modelling");

    // By id, descending
    result = session.createFullTextQuery(query, ScientificArticle.class)
            .setSort(new Sort(new SortField("_uid", SortField.Type.STRING, true))).list();

    assertThat(result).onProperty("id").containsExactly(5L, 4L, 2L, 1L);

    tx.commit();
    s.close();
}

From source file:org.hibernate.search.backend.elasticsearch.test.ElasticsearchSpatialIT.java

License:LGPL

@Test
public void testGeoDistanceQuery() {
    Session s = openSession();/*from ww w .ja  v  a2 s  .co m*/
    FullTextSession session = Search.getFullTextSession(s);
    Transaction tx = s.beginTransaction();

    String geoDistanceQuery = "{\n" + "'query' : {\n" + "'bool' : {\n" + "'must' : {\n" + "'match_all' : {}\n"
            + "},\n" + "'filter' : {\n" + "'geo_distance' : {\n" + "'distance' : '12km',\n" + "'location' : {\n"
            + "'lat' : 24,\n" + "'lon' : 32\n" + "}\n" + "}\n" + "}\n" + "}\n" + "}\n" + "}";

    QueryDescriptor query = ElasticsearchQueries.fromJson(geoDistanceQuery);
    List<?> result = session.createFullTextQuery(query, POI.class)
            .setSort(new Sort(new DistanceSortField(24, 32, "location"))).list();
    assertThat(result).onProperty("id").describedAs("Geo distance query").containsOnly(1, 2, 3);

    tx.commit();
    s.close();
}

From source file:org.hibernate.search.backend.lucene.search.impl.LuceneSearchQueryElementCollector.java

License:LGPL

public Sort toLuceneSort() {
    if (sortFields == null || sortFields.isEmpty()) {
        return null;
    }// w w w .  j  av  a2  s.  c  o  m

    return new Sort(sortFields.toArray(new SortField[sortFields.size()]));
}