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.query.sorting.SortTest.java

License:LGPL

@Test
@SuppressWarnings("unchecked")
public void testResultOrderedByEmbeddedAuthorNameAscending() throws Exception {
    Transaction tx = fullTextSession.beginTransaction();

    // order by summary
    Query query = queryParser.parse("summary:lucene OR summary:action");
    FullTextQuery hibQuery = fullTextSession.createFullTextQuery(query, Book.class);
    Sort sort = new Sort(new SortField("mainAuthor.name", SortField.Type.STRING)); //ASC
    hibQuery.setSort(sort);// ww  w .  j a  v a 2 s  . c  om
    List<Book> result = hibQuery.list();
    assertNotNull(result);
    assertThat(result).onProperty("id").containsExactly(2, 1, 3, 4, 10);

    tx.commit();
}

From source file:org.hibernate.search.test.query.sorting.SortTest.java

License:LGPL

@SuppressWarnings("unchecked")
@Test//w  w w.j a  v  a  2  s. c o  m
@TestForIssue(jiraKey = "HSEARCH-2287")
public void testChangingSortOrder() throws Exception {
    Transaction tx = fullTextSession.beginTransaction();

    Query query = queryParser.parse("summary:lucene");
    FullTextQuery hibQuery = fullTextSession.createFullTextQuery(query, Book.class);

    hibQuery.setSort(new Sort(new SortField("id_forIntegerSort", SortField.Type.INT, false)));
    List<Book> result = hibQuery.list();
    assertThat(result).onProperty("id").containsExactly(1, 2, 3, 10);

    hibQuery.setSort(new Sort(new SortField("id_forIntegerSort", SortField.Type.INT, true)));
    result = hibQuery.list();
    assertThat(result).onProperty("id").containsExactly(10, 3, 2, 1);

    tx.commit();
}

From source file:org.hibernate.search.test.query.sorting.SortWithIndexUninvertingTest.java

License:LGPL

@Test
public void testCombinedQueryOnIndexWithSortFieldAndIndexToBeUninverted() throws Exception {
    Transaction tx = fullTextSession.beginTransaction();

    Query query = queryParser.parse("name:Bill");
    FullTextQuery hibQuery = fullTextSession.createFullTextQuery(query, Plumber.class, BrickLayer.class);
    Sort sort = new Sort(new SortField("sortName", SortField.Type.STRING)); //ASC
    hibQuery.setSort(sort);/*from   w  ww  .j  ava  2  s.  c  o  m*/

    @SuppressWarnings("unchecked")
    List<Book> result = hibQuery.list();
    assertNotNull(result);
    assertThat(result).onProperty("name").describedAs(
            "Expecting results from index with sort field and uninverted index in the correct sort order")
            .containsExactly("Bill the brick layer", "Bill the plumber");

    tx.commit();
}

From source file:org.hibernate.search.test.query.sorting.SortWithIndexUninvertingTest.java

License:LGPL

/**
 * The index is shared by two entities. One declares the required sorts, the other does not. As this would require
 * uninverting the index for one entity but not the other, that situation is considered inconsistent and an
 * exception is expected./*  w  w w  .j  av  a2  s  .  c  o m*/
 */
@Test
@Category(SkipOnElasticsearch.class) // This problem does not affect the Elasticsearch backend
public void testQueryOnIndexSharedByEntityWithRequiredSortFieldAndEntityWithoutRaisesException()
        throws Exception {
    Transaction tx = fullTextSession.beginTransaction();

    Query query = queryParser.parse("name:Bill");
    FullTextQuery hibQuery = fullTextSession.createFullTextQuery(query, Thatcher.class, BrickLayer.class);
    Sort sort = new Sort(new SortField("sortName", SortField.Type.STRING)); //ASC
    hibQuery.setSort(sort);

    try {
        hibQuery.list();
        fail("Expected exception was not raised");
    } catch (Exception e) {
        assertThat(e.getMessage()).contains("HSEARCH000298");
    }

    tx.commit();
}

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

License:Open Source License

@SuppressWarnings("unchecked")
public void testResultOrderedById() throws Exception {
    Transaction tx = fullTextSession.beginTransaction();

    Query query = queryParser.parse("summary:lucene");
    FullTextQuery hibQuery = fullTextSession.createFullTextQuery(query, Book.class);
    Sort sort = new Sort(new SortField("id", SortField.STRING, false));
    hibQuery.setSort(sort);//from ww w . j av a  2 s  . com
    List<Book> result = hibQuery.list();
    assertNotNull(result);
    assertEquals("Wrong number of test results.", 3, result.size());
    int id = 1;
    for (Book b : result) {
        assertEquals("Expected another id", Integer.valueOf(id), b.getId());
        id++;
    }

    tx.commit();
}

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

License:Open Source License

@SuppressWarnings("unchecked")
public void testResultOrderedBySummaryStringAscending() throws Exception {
    Transaction tx = fullTextSession.beginTransaction();

    // order by summary
    Query query = queryParser.parse("summary:lucene OR summary:action");
    FullTextQuery hibQuery = fullTextSession.createFullTextQuery(query, Book.class);
    Sort sort = new Sort(new SortField("summary_forSort", SortField.STRING)); //ASC
    hibQuery.setSort(sort);//from w  w w . j a v a 2 s  . co  m
    List<Book> result = hibQuery.list();
    assertNotNull(result);
    assertEquals("Wrong number of test results.", 4, result.size());
    assertEquals("Groovy in Action", result.get(0).getSummary());

    tx.commit();
}

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

License:Open Source License

@SuppressWarnings("unchecked")
public void testResultOrderedBySummaryStringDescending() throws Exception {
    Transaction tx = fullTextSession.beginTransaction();

    // order by summary backwards
    Query query = queryParser.parse("summary:lucene OR summary:action");
    FullTextQuery hibQuery = fullTextSession.createFullTextQuery(query, Book.class);
    Sort sort = new Sort(new SortField("summary_forSort", SortField.STRING, true)); //DESC
    hibQuery.setSort(sort);/*  ww w. j  a  va 2  s  .  co  m*/
    List<Book> result = hibQuery.list();
    assertNotNull(result);
    assertEquals("Wrong number of test results.", 4, result.size());
    assertEquals("Hibernate & Lucene", result.get(0).getSummary());

    tx.commit();
}

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

License:Open Source License

@SuppressWarnings("unchecked")
public void testResultOrderedByDateDescending() throws Exception {
    Transaction tx = fullTextSession.beginTransaction();

    // order by date backwards
    Query query = queryParser.parse("summary:lucene OR summary:action");
    FullTextQuery hibQuery = fullTextSession.createFullTextQuery(query, Book.class);
    Sort sort = new Sort(new SortField("publicationDate", SortField.STRING, true)); //DESC
    hibQuery.setSort(sort);//from  www. j  a va2  s .co  m
    List<Book> 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();
}

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

License:Open Source License

@SuppressWarnings("unchecked")
public void testCustomFieldComparatorAscendingSort() {
    Transaction tx = fullTextSession.beginTransaction();

    Query query = new MatchAllDocsQuery();
    FullTextQuery hibQuery = fullTextSession.createFullTextQuery(query, NumberHolder.class);
    Sort sort = new Sort(new SortField("sum", new SumFieldComparatorSource()));
    hibQuery.setSort(sort);//from   ww w . j  ava  2 s. c o  m
    List<NumberHolder> result = hibQuery.list();
    assertNotNull(result);
    assertEquals("Wrong number of test results.", 4, result.size());

    int previousSum = 0;
    for (NumberHolder n : result) {
        assertTrue("Documents should be ordered by increasing sum", previousSum < n.getSum());
        previousSum = n.getSum();
    }

    tx.commit();
}

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

License:Open Source License

@SuppressWarnings("unchecked")
public void testCustomFieldComparatorDescendingSort() {
    Transaction tx = fullTextSession.beginTransaction();

    Query query = new MatchAllDocsQuery();
    FullTextQuery hibQuery = fullTextSession.createFullTextQuery(query, NumberHolder.class);
    Sort sort = new Sort(new SortField("sum", new SumFieldComparatorSource(), true));
    hibQuery.setSort(sort);//w  w w  .j av  a 2s  .co  m
    List<NumberHolder> result = hibQuery.list();
    assertNotNull(result);
    assertEquals("Wrong number of test results.", 4, result.size());

    int previousSum = 100;
    for (NumberHolder n : result) {
        assertTrue("Documents should be ordered by decreasing sum", previousSum > n.getSum());
        previousSum = n.getSum();
    }

    tx.commit();
}