/*
* 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.nullValues;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.lang.annotation.ElementType;
import java.util.List;
import java.util.Map;
import org.apache.lucene.search.MatchAllDocsQuery;
import org.apache.lucene.search.Query;
import org.hibernate.Transaction;
import org.hibernate.search.FullTextQuery;
import org.hibernate.search.FullTextSession;
import org.hibernate.search.Search;
import org.hibernate.search.annotations.Store;
import org.hibernate.search.cfg.Environment;
import org.hibernate.search.cfg.SearchMapping;
import org.hibernate.search.test.SearchTestBase;
import org.hibernate.search.test.query.ProjectionToMapResultTransformer;
import org.hibernate.search.testsupport.TestForIssue;
import org.junit.Test;
/**
* Tests for indexing and querying programmatically mapped {@code null} values.
*
* @author Hardy Ferentschik
*/
@TestForIssue(jiraKey = "HSEARCH-115")
public class ProgrammaticIndexAndQueryNullTest extends SearchTestBase {
@Test
public void testProjectedValueGetsConvertedToNull() throws Exception {
ProgrammaticConfiguredValue nullValue = new ProgrammaticConfiguredValue( null );
FullTextSession fullTextSession = Search.getFullTextSession( openSession() );
Transaction tx = fullTextSession.beginTransaction();
getSession().save( nullValue );
tx.commit();
fullTextSession.clear();
tx = fullTextSession.beginTransaction();
Query query = new MatchAllDocsQuery();
FullTextQuery fullTextQuery = fullTextSession.createFullTextQuery( query, ProgrammaticConfiguredValue.class );
fullTextQuery.setProjection(
"id",
"value"
);
fullTextQuery.setResultTransformer( new ProjectionToMapResultTransformer() );
List<?> mappedResults = fullTextQuery.list();
assertTrue( "Wrong result size", mappedResults.size() == 1 );
Map<?, ?> map = (Map<?, ?>) mappedResults.get( 0 );
Integer id = (Integer) map.get( "id" );
assertNotNull( id );
String value = (String) map.get( "value" );
assertEquals( "The null token should be converted back to null", null, value );
tx.commit();
fullTextSession.close();
}
private SearchMapping createSearchMapping() {
SearchMapping mapping = new SearchMapping();
mapping.entity( ProgrammaticConfiguredValue.class )
.indexed()
.property( "id", ElementType.FIELD ).documentId().name( "id" )
.property( "value", ElementType.FIELD ).field().store( Store.YES ).indexNullAs( "@null@" );
return mapping;
}
@Override
public void configure(Map<String,Object> cfg) {
cfg.put( Environment.MODEL_MAPPING, createSearchMapping() );
}
@Override
public Class<?>[] getAnnotatedClasses() {
return new Class[] {
ProgrammaticConfiguredValue.class
};
}
}