| /* |
| * Copyright 2009 Niclas Hedhman. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| * implied. |
| * |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.zest.index.rdf.qi173; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.apache.zest.api.entity.EntityBuilder; |
| import org.apache.zest.api.entity.EntityComposite; |
| import org.apache.zest.api.property.Property; |
| import org.apache.zest.api.query.Query; |
| import org.apache.zest.api.query.QueryBuilder; |
| import org.apache.zest.api.query.QueryExpressions; |
| import org.apache.zest.api.unitofwork.ConcurrentEntityModificationException; |
| import org.apache.zest.api.unitofwork.UnitOfWork; |
| import org.apache.zest.api.unitofwork.UnitOfWorkCompletionException; |
| import org.apache.zest.bootstrap.AssemblyException; |
| import org.apache.zest.bootstrap.ModuleAssembly; |
| import org.apache.zest.index.rdf.assembly.RdfMemoryStoreAssembler; |
| import org.apache.zest.test.AbstractQi4jTest; |
| import org.apache.zest.test.EntityTestAssembler; |
| |
| import java.util.Iterator; |
| |
| import static org.apache.zest.api.query.QueryExpressions.orderBy; |
| |
| public class Qi173IssueTest |
| extends AbstractQi4jTest |
| { |
| public void assemble( ModuleAssembly module ) |
| throws AssemblyException |
| { |
| module.entities( CarEntity.class ); |
| new RdfMemoryStoreAssembler().assemble( module ); |
| new EntityTestAssembler().assemble( module ); |
| } |
| |
| @Test |
| public void testPersistence() |
| { |
| UnitOfWork uow = module.newUnitOfWork(); |
| try |
| { |
| createCar( "Volvo", "S80", 2007 ); |
| createCar( "Volvo", "C70", 2006 ); |
| createCar( "Ford", "Transit", 2007 ); |
| createCar( "Ford", "Mustang", 2007 ); |
| createCar( "Ford", "Mustang", 2006 ); |
| createCar( "Ford", "Mustang", 2005 ); |
| uow.complete(); |
| } |
| catch( ConcurrentEntityModificationException e ) |
| { |
| // Can not happen. |
| e.printStackTrace(); |
| } |
| catch( UnitOfWorkCompletionException e ) |
| { |
| e.printStackTrace(); |
| } |
| |
| uow = module.newUnitOfWork(); |
| QueryBuilder<Car> qb = module.newQueryBuilder( Car.class ); |
| Car template = QueryExpressions.templateFor( Car.class ); |
| qb = qb.where( QueryExpressions.eq( template.year(), 2007 ) ); |
| |
| Query<Car> query = uow.newQuery( qb ); |
| query.orderBy( orderBy( template.manufacturer() ), orderBy( template.model() ) ); |
| Iterator<Car> cars = query.iterator(); |
| Assert.assertTrue( cars.hasNext() ); |
| Car car1 = cars.next(); |
| Assert.assertEquals( car1.manufacturer().get(), "Ford" ); |
| Assert.assertEquals( car1.model().get(), "Mustang" ); |
| Assert.assertEquals( (int) car1.year().get(), 2007 ); |
| Car car2 = cars.next(); |
| Assert.assertEquals( car2.manufacturer().get(), "Ford" ); |
| Assert.assertEquals( car2.model().get(), "Transit" ); |
| Assert.assertEquals( (int) car2.year().get(), 2007 ); |
| Car car3 = cars.next(); |
| Assert.assertEquals( car3.manufacturer().get(), "Volvo" ); |
| Assert.assertEquals( car3.model().get(), "S80" ); |
| Assert.assertEquals( (int) car3.year().get(), 2007 ); |
| for( Car car : query ) |
| { |
| System.out.println( car.manufacturer().get() + " " + car.model().get() + ", " + car.year().get() ); |
| } |
| |
| uow.discard(); |
| } |
| |
| private String createCar( String manufacturer, String model, int year ) |
| { |
| UnitOfWork uow = module.currentUnitOfWork(); |
| EntityBuilder<Car> builder = uow.newEntityBuilder( Car.class ); |
| Car prototype = builder.instanceFor( Car.class ); |
| prototype.manufacturer().set( manufacturer ); |
| prototype.model().set( model ); |
| prototype.year().set( year ); |
| CarEntity entity = (CarEntity) builder.newInstance(); |
| return entity.identity().get(); |
| } |
| |
| public interface CarEntity |
| extends Car, EntityComposite |
| { |
| } |
| |
| public static interface Car |
| { |
| Property<String> manufacturer(); |
| |
| Property<String> model(); |
| |
| Property<Integer> year(); |
| } |
| } |