/*
* Hibernate Search, full-text search for your domain model
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.search.test.query;
import static org.hibernate.search.testsupport.readerprovider.FieldSelectorLeakingReaderProvider.assertFieldSelectorDisabled;
import static org.hibernate.search.testsupport.readerprovider.FieldSelectorLeakingReaderProvider.assertFieldSelectorEnabled;
import static org.hibernate.search.testsupport.readerprovider.FieldSelectorLeakingReaderProvider.resetFieldSelector;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.text.ParseException;
import java.util.Date;
import java.util.List;
import java.util.Map;
import org.apache.lucene.document.Document;
import org.apache.lucene.queryparser.classic.QueryParser;
import org.apache.lucene.search.MatchAllDocsQuery;
import org.apache.lucene.search.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.search.FullTextQuery;
import org.hibernate.search.FullTextSession;
import org.hibernate.search.Search;
import org.hibernate.search.cfg.Environment;
import org.hibernate.search.test.SearchTestBase;
import org.hibernate.search.testsupport.TestConstants;
import org.hibernate.search.testsupport.junit.SkipOnElasticsearch;
import org.hibernate.search.testsupport.readerprovider.FieldSelectorLeakingReaderProvider;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
/**
* Tests aspects of projection that are specific to the Lucene Backend.
*
* @author Emmanuel Bernard
* @author John Griffin
* @author Hardy Ferentschik
*/
@Category(SkipOnElasticsearch.class) // This test is specific to the Lucene backend
public class LuceneProjectionQueryTest extends SearchTestBase {
@Override
public void configure(Map<String,Object> cfg) {
cfg.put( "hibernate.search.default.directory_provider", "ram" );
cfg.put( "hibernate.search.default." + Environment.READER_STRATEGY, FieldSelectorLeakingReaderProvider.class.getName() );
}
@Before
@Override
public void setUp() throws Exception {
super.setUp();
Session s = openSession();
Transaction tx = s.beginTransaction();
Employee e1 = new Employee( 1000, "Griffin", "ITech" );
s.save( e1 );
Employee e2 = new Employee( 1001, "Jackson", "Accounting" );
e2.setHireDate( new Date() );
s.save( e2 );
Employee e3 = new Employee( 1002, "Jimenez", "ITech" );
s.save( e3 );
Employee e4 = new Employee( 1003, "Stejskal", "ITech" );
s.save( e4 );
Employee e5 = new Employee( 1004, "Whetbrook", "ITech" );
s.save( e5 );
s.persist( new CalendarDay().setDayFromItalianString( "01/04/2011" ) );
s.persist( new CalendarDay().setDayFromItalianString( "02/04/2011" ) );
tx.commit();
s.clear();
}
@After
@Override
public void tearDown() throws Exception {
Session s = getSession(); // Opened during setup
try {
Transaction tx = s.beginTransaction();
for ( Object element : s.createQuery( "from " + Employee.class.getName() ).list() ) {
s.delete( element );
}
tx.commit();
}
finally {
s.close();
}
super.tearDown();
}
@Test
public void testProjectionOfThisFieldSelector() throws Exception {
FullTextSession s = Search.getFullTextSession( getSession() );
Transaction tx = s.beginTransaction();
QueryParser parser = new QueryParser( "dept", TestConstants.standardAnalyzer );
Query query = parser.parse( "dept:ITech" );
org.hibernate.search.FullTextQuery hibQuery = s.createFullTextQuery( query, Employee.class );
hibQuery.setProjection( FullTextQuery.THIS );
resetFieldSelector();
List<?> result = hibQuery.list();
assertNotNull( result );
assertFalse( result.isEmpty() );
assertFieldSelectorEnabled( "id" );
tx.commit();
}
@Test
public void testClassProjectionFieldSelector() throws Exception {
FullTextSession s = Search.getFullTextSession( getSession() );
Transaction tx = s.beginTransaction();
QueryParser parser = new QueryParser( "dept", TestConstants.standardAnalyzer );
Query query = parser.parse( "dept:ITech" );
org.hibernate.search.FullTextQuery hibQuery = s.createFullTextQuery( query, Employee.class );
hibQuery.setProjection( FullTextQuery.OBJECT_CLASS );
resetFieldSelector();
List<?> result = hibQuery.list();
assertNotNull( result );
assertFalse( result.isEmpty() );
assertFieldSelectorEnabled( ); // empty!
tx.commit();
}
@Test
public void testStoredFieldProjectionFieldSelector() throws Exception {
FullTextSession s = Search.getFullTextSession( getSession() );
Transaction tx = s.beginTransaction();
QueryParser parser = new QueryParser( "dept", TestConstants.standardAnalyzer );
Query query = parser.parse( "dept:ITech" );
org.hibernate.search.FullTextQuery hibQuery = s.createFullTextQuery( query, Employee.class );
hibQuery.setProjection( "id", "lastname", "dept" );
resetFieldSelector();
List<?> result = hibQuery.list();
assertNotNull( result );
assertFalse( result.isEmpty() );
assertFieldSelectorEnabled( "lastname", "dept", "id" );
tx.commit();
}
@Test
public void testLuceneDocumentProjection() throws Exception {
FullTextSession s = Search.getFullTextSession( getSession() );
Transaction tx = s.beginTransaction();
QueryParser parser = new QueryParser( "dept", TestConstants.standardAnalyzer );
Query query = parser.parse( "dept:Accounting" );
org.hibernate.search.FullTextQuery hibQuery = s.createFullTextQuery( query, Employee.class );
hibQuery.setProjection( FullTextQuery.DOCUMENT );
List<?> result = hibQuery.list();
assertNotNull( result );
Object[] projection = (Object[]) result.get( 0 );
assertTrue( "DOCUMENT incorrect", projection[0] instanceof Document );
assertEquals( "DOCUMENT size incorrect", 5, ( (Document) projection[0] ).getFields().size() );
tx.commit();
}
@Test
public void testLuceneDocumentProjectionFieldSelector() throws Exception {
FullTextSession s = Search.getFullTextSession( getSession() );
Transaction tx = s.beginTransaction();
QueryParser parser = new QueryParser( "dept", TestConstants.standardAnalyzer );
Query query = parser.parse( "dept:Accounting" );
org.hibernate.search.FullTextQuery hibQuery = s.createFullTextQuery( query, Employee.class );
hibQuery.setProjection( FullTextQuery.DOCUMENT );
resetFieldSelector();
List<?> result = hibQuery.list();
assertNotNull( result );
assertFalse( result.isEmpty() );
assertFieldSelectorDisabled(); //because of DOCUMENT being projected
tx.commit();
}
@Test
public void testLuceneDocumentIdProjection() throws Exception {
FullTextSession s = Search.getFullTextSession( getSession() );
Transaction tx = s.beginTransaction();
QueryParser parser = new QueryParser( "dept", TestConstants.standardAnalyzer );
Query query = parser.parse( "dept:ITech" );
org.hibernate.search.FullTextQuery hibQuery = s.createFullTextQuery( query, Employee.class );
hibQuery.setProjection( FullTextQuery.DOCUMENT_ID );
List<?> result = hibQuery.list();
assertNotNull( result );
Object[] projection = (Object[]) result.get( 0 );
assertTrue( "DOCUMENT_ID incorrect", projection[0] instanceof Integer );
tx.commit();
}
@Test
public void testLuceneDocumentIdProjectionFieldSelector() throws Exception {
FullTextSession s = Search.getFullTextSession( getSession() );
Transaction tx = s.beginTransaction();
QueryParser parser = new QueryParser( "dept", TestConstants.standardAnalyzer );
Query query = parser.parse( "dept:ITech" );
org.hibernate.search.FullTextQuery hibQuery = s.createFullTextQuery( query, Employee.class );
hibQuery.setProjection( FullTextQuery.DOCUMENT_ID );
resetFieldSelector();
List<?> result = hibQuery.list();
assertNotNull( result );
assertFalse( result.isEmpty() );
assertFieldSelectorDisabled(); //because of only DOCUMENT_ID being projected
tx.commit();
}
@Test
public void testLuceneDocumentProjectionNonLoadedFieldOptimization() throws Exception {
FullTextSession s = Search.getFullTextSession( getSession() );
Transaction tx = s.beginTransaction();
QueryParser parser = new QueryParser( "dept", TestConstants.standardAnalyzer );
Query query = parser.parse( "dept:Accounting" );
org.hibernate.search.FullTextQuery hibQuery = s.createFullTextQuery( query, Employee.class );
hibQuery.setProjection( FullTextQuery.ID, FullTextQuery.DOCUMENT );
List<?> result = hibQuery.list();
assertNotNull( result );
Object[] projection = (Object[]) result.get( 0 );
assertNotNull( projection );
assertEquals( "id field name not projected", 1001, projection[0] );
assertEquals(
"Document fields should not be lazy on DOCUMENT projection",
"Jackson", ( (Document) projection[1] ).getField( "lastname" ).stringValue()
);
assertEquals( "DOCUMENT size incorrect", 5, ( (Document) projection[1] ).getFields().size() );
tx.commit();
}
@Test
public void testProjectionUnmappedFieldValues() throws ParseException, IOException {
FullTextSession s = Search.getFullTextSession( getSession() );
Transaction tx = s.beginTransaction();
org.hibernate.search.FullTextQuery hibQuery = s.createFullTextQuery( new MatchAllDocsQuery(), CalendarDay.class );
hibQuery.setProjection( "day.year" );
resetFieldSelector();
List<?> result = hibQuery.list();
assertFieldSelectorEnabled( ); //empty: can't use one as the bridge we use mandates optimisations to be disabled
assertNotNull( result );
assertFalse( result.isEmpty() );
tx.commit();
}
@Override
public Class<?>[] getAnnotatedClasses() {
return new Class[] {
Employee.class,
CalendarDay.class
};
}
}