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.hibernate.search.test.performance.task.QueryBooksByBestRatingTask.java

License:LGPL

@Override
protected void execute(FullTextSession fts) {
    Query q = fts.getSearchFactory().buildQueryBuilder().forEntity(Book.class).get().all().createQuery();

    fts.createFullTextQuery(q, Book.class)
            .setSort(new Sort(new SortField("rating", SortField.Type.FLOAT, true))).setMaxResults(100).list();
}

From source file:org.hibernate.search.test.performance.task.QueryBooksByNewestPublishedTask.java

License:LGPL

@Override
protected void execute(FullTextSession fts) {
    Query q = fts.getSearchFactory().buildQueryBuilder().forEntity(Book.class).get().all().createQuery();

    fts.createFullTextQuery(q, Book.class)
            .setSort(new Sort(new SortField("publicationDate", SortField.Type.LONG, true))).setMaxResults(100)
            .list();//from ww  w . ja  v a2s .com
}

From source file:org.hibernate.search.test.performance.task.QueryBooksByTotalSoldTask.java

License:LGPL

@Override
protected void execute(FullTextSession fts) {
    Query q = fts.getSearchFactory().buildQueryBuilder().forEntity(Book.class).get().all().createQuery();

    fts.createFullTextQuery(q, Book.class)
            .setSort(new Sort(new SortField("totalSold", SortField.Type.LONG, true))).setMaxResults(100).list();
}

From source file:org.hibernate.search.test.query.fieldcache.CachedNumericIdTest.java

License:Open Source License

public void testLocationLoading() {
    Session session = openSession();/*from w ww  . j  av  a 2s  .  c  o  m*/
    Transaction tx = session.beginTransaction();
    QueryBuilder queryBuilder = getSearchFactory().buildQueryBuilder().forEntity(Location.class).get();
    Query query = queryBuilder.all().createQuery();
    FieldSelectorLeakingReaderProvider.resetFieldSelector();
    FullTextSession fullTextSession = Search.getFullTextSession(session);
    FullTextQuery fullTextQuery = fullTextSession.createFullTextQuery(query, Location.class);
    fullTextQuery.setSort(new Sort(new SortField("description", SortField.STRING))); // to avoid loading in document order -- too easy
    List<Location> locations = fullTextQuery.list();
    FieldSelectorLeakingReaderProvider.assertFieldSelectorDisabled();
    Assert.assertEquals(NUM_LOCATIONS, locations.size());
    for (Location location : locations) {
        int id = location.getId();
        Assert.assertEquals(String.valueOf(id) + "42", location.getDescription());
    }
    tx.commit();
    session.close();
}

From source file:org.hibernate.search.test.query.grouping.GroupingSortTest.java

License:LGPL

private void testSortGroupsByColor(boolean invert) throws Exception {
    final GroupingRequest request = queryBuilder(Car.class).group().onField(indexFieldName).topGroupCount(10)
            .groupSort(new Sort(new SortField(indexFieldName, Type.STRING, invert))).createGroupingRequest();

    final FullTextQuery query = queryHondaWithGrouping(request);

    final GroupingResult groups = query.getGroupingManager().getGroupingResult();

    // check groups sorted by color
    Group lastGroup = null;//w  ww  . j  a  va2s  . c o m
    for (Group nextGroup : groups.getGroups()) {
        if (lastGroup != null && !invert) {
            assertTrue(lastGroup.getValue().compareTo(nextGroup.getValue()) < 0);

        } else if (lastGroup != null && invert) {
            assertTrue(lastGroup.getValue().compareTo(nextGroup.getValue()) > 0);

        }
        lastGroup = nextGroup;
    }
}

From source file:org.hibernate.search.test.query.grouping.GroupingSortTest.java

License:LGPL

public void testSortEntitiesInGroupByCubicCapacity(boolean invert) throws Exception {
    final GroupingRequest request = queryBuilder(Car.class).group().onField(indexFieldName).topGroupCount(10)
            .maxDocsPerGroup(10).withinGroupSort(new Sort(new SortField("cubicCapacity", Type.INT, invert)))
            .createGroupingRequest();//from ww w .j  av a2  s.co  m

    final FullTextQuery query = queryHondaWithGrouping(request);

    final GroupingResult groups = query.getGroupingManager().getGroupingResult();

    // check entities in groups sorted by cubic capacity
    for (Group nextGroup : groups.getGroups()) {
        final Session session = this.getSession();
        Car lastCar = null;
        for (EntityInfo nextEntityInfo : nextGroup.getHits()) {
            final Car car = (Car) session.load(nextEntityInfo.getClazz(), nextEntityInfo.getId());
            if (lastCar != null && !invert) {
                assertTrue(lastCar.getCubicCapacity() < car.getCubicCapacity());
            } else if (lastCar != null && invert) {
                assertTrue(lastCar.getCubicCapacity() > car.getCubicCapacity());
            }
            lastCar = car;
        }
    }
}

From source file:org.hibernate.search.test.query.initandlookup.CriteriaObjectInitializerAndHierarchyInheritanceTest.java

License:LGPL

private List<?> getResultsFiltered(FullTextSession session, Query query,
        Class<? extends BaseEntity>... classes) {
    return session.createFullTextQuery(query, classes)
            .setSort(new Sort(new SortField("idSort", SortField.Type.INT))).list();
}

From source file:org.hibernate.search.test.query.LuceneQuerySortTest.java

License:Open Source License

/**
 * Test that we can change the default sort order of the lucene search result.
 *
 * @throws Exception in case the test fails.
 *///from  w  w w.  j a va2 s. c  om
public void testList() throws Exception {
    FullTextSession s = Search.getFullTextSession(openSession());
    createTestBooks(s);
    Transaction tx = s.beginTransaction();
    QueryParser parser = new QueryParser(getTargetLuceneVersion(), "title", SearchTestCase.stopAnalyzer);

    Query query = parser.parse("summary:lucene");
    FullTextQuery hibQuery = s.createFullTextQuery(query, Book.class);
    List<Book> result = hibQuery.list();
    assertNotNull(result);
    assertEquals("Wrong number of test results.", 3, result.size());
    // make sure that the order is according to in which order the books got inserted
    // into the index.
    int id = 1;
    for (Book b : result) {
        assertEquals("Expected another id", Integer.valueOf(id), b.getId());
        id++;
    }

    // now the same query, but with a lucene sort specified.
    query = parser.parse("summary:lucene");
    hibQuery = s.createFullTextQuery(query, Book.class);
    Sort sort = new Sort(new SortField("id", SortField.STRING, true));
    hibQuery.setSort(sort);
    result = hibQuery.list();
    assertNotNull(result);
    assertEquals("Wrong number of test results.", 3, result.size());
    id = 3;
    for (Book b : result) {
        assertEquals("Expected another id", Integer.valueOf(id), b.getId());
        id--;
    }

    // order by summary
    query = parser.parse("summary:lucene OR summary:action");
    hibQuery = s.createFullTextQuery(query, Book.class);
    sort = new Sort(new SortField("summary_forSort", SortField.STRING)); //ASC
    hibQuery.setSort(sort);
    result = hibQuery.list();
    assertNotNull(result);
    assertEquals("Wrong number of test results.", 4, result.size());
    assertEquals("Groovy in Action", result.get(0).getSummary());

    // order by summary backwards
    query = parser.parse("summary:lucene OR summary:action");
    hibQuery = s.createFullTextQuery(query, Book.class);
    sort = new Sort(new SortField("summary_forSort", SortField.STRING, true)); //DESC
    hibQuery.setSort(sort);
    result = hibQuery.list();
    assertNotNull(result);
    assertEquals("Wrong number of test results.", 4, result.size());
    assertEquals("Hibernate & Lucene", result.get(0).getSummary());

    // order by date backwards
    query = parser.parse("summary:lucene OR summary:action");
    hibQuery = s.createFullTextQuery(query, Book.class);
    sort = new Sort(new SortField("publicationDate", SortField.STRING, true)); //DESC
    hibQuery.setSort(sort);
    result = hibQuery.list();
    assertNotNull(result);
    assertEquals("Wrong number of test results.", 4, result.size());
    for (Book book : result) {
        System.out.println(book.getSummary() + " : " + book.getPublicationDate());
    }
    assertEquals("Groovy in Action", result.get(0).getSummary());

    tx.commit();

    deleteTestBooks(s);
    s.close();
}

From source file:org.hibernate.search.test.query.LuceneQueryTest.java

License:Open Source License

public void testFetchSizeDefaultFirstAndMax() throws Exception {
    FullTextSession s = Search.getFullTextSession(openSession());
    prepEmployeeIndex(s);/*from   w ww . j a  va  2s  .c  o  m*/

    s.clear();
    Transaction tx = s.beginTransaction();
    QueryParser parser = new QueryParser(getTargetLuceneVersion(), "dept", SearchTestCase.standardAnalyzer);

    Query query = parser.parse("dept:ITech");
    org.hibernate.search.FullTextQuery hibQuery = s.createFullTextQuery(query, Employee.class);
    hibQuery.setSort(new Sort(new SortField("id", SortField.STRING)));
    hibQuery.setProjection("id", "lastname", "dept");
    hibQuery.setFetchSize(3);

    ScrollableResults results = hibQuery.scroll();
    results.beforeFirst();
    results.next();
    Object[] result = results.get();
    assertEquals("incorrect entityInfo returned", 1000, result[0]);
    results.scroll(2);
    result = results.get();
    assertEquals("incorrect entityInfo returned", 1003, result[0]);
    // check cache addition
    results.next();
    result = results.get();
    assertEquals("incorrect entityInfo returned", 1004, result[0]);

    results.scroll(-2);
    result = results.get();
    assertEquals("incorrect entityInfo returned", 1002, result[0]);

    //cleanup
    for (Object element : s.createQuery("from " + Employee.class.getName()).list()) {
        s.delete(element);
    }
    tx.commit();
    s.close();
}

From source file:org.hibernate.search.test.query.LuceneQueryTest.java

License:Open Source License

public void testFetchSizeNonDefaultFirstAndMax() throws Exception {
    FullTextSession s = Search.getFullTextSession(openSession());
    prepEmployeeIndex(s);//  ww w .j  a  v  a 2s  .  c om

    s.clear();
    Transaction tx = s.beginTransaction();
    QueryParser parser = new QueryParser(getTargetLuceneVersion(), "dept", SearchTestCase.standardAnalyzer);

    Query query = parser.parse("dept:ITech");
    org.hibernate.search.FullTextQuery hibQuery = s.createFullTextQuery(query, Employee.class);
    hibQuery.setProjection("id", "lastname", "dept");
    hibQuery.setFetchSize(3);
    hibQuery.setFirstResult(1);
    hibQuery.setMaxResults(3);
    hibQuery.setSort(new Sort(new SortField("id", SortField.STRING)));

    ScrollableResults results = hibQuery.scroll();
    results.beforeFirst();
    results.next();
    Object[] result = results.get();
    assertEquals("incorrect entityInfo returned", 1002, result[0]);

    results.scroll(2);
    result = results.get();
    assertEquals("incorrect entityInfo returned", 1004, result[0]);

    results.next();
    result = results.get();
    assertNull(result);

    results.scroll(-8);
    result = results.get();
    assertNull(result);

    // And test a bad forward scroll.
    results.scroll(10);
    result = results.get();
    assertNull(result);

    //cleanup
    for (Object element : s.createQuery("from " + Employee.class.getName()).list()) {
        s.delete(element);
    }
    tx.commit();
    s.close();
}