/*
* Copyright 2013-2014 the original author or authors.
*
* 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.springframework.data.jpa.infrastructure;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Path;
import javax.persistence.criteria.Root;
import javax.persistence.metamodel.Attribute;
import javax.persistence.metamodel.Bindable.BindableType;
import javax.persistence.metamodel.ManagedType;
import javax.persistence.metamodel.Metamodel;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.data.jpa.domain.sample.User;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @author Oliver Gierke
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration({ "classpath:infrastructure.xml" })
public class MetamodelIntegrationTests {
@PersistenceContext EntityManager em;
@Test
public void considersOneToOneAttributeAnAssociation() {
Metamodel metamodel = em.getMetamodel();
ManagedType<User> type = metamodel.managedType(User.class);
Attribute<? super User, ?> attribute = type.getSingularAttribute("manager");
assertThat(attribute.isAssociation(), is(true));
}
@Test
public void pathToEntityIsOfBindableTypeEntityType() {
CriteriaBuilder builder = em.getCriteriaBuilder();
CriteriaQuery<User> query = builder.createQuery(User.class);
Root<User> root = query.from(User.class);
Path<Object> path = root.get("manager");
assertThat(path.getModel().getBindableType(), is(BindableType.ENTITY_TYPE));
}
@Test
public void canAccessParametersByIndexForNativeQueries() {
Query query = em.createNativeQuery("SELECT u from User u where u.lastname = ?1");
assertThat(query.getParameter(1), is(notNullValue()));
}
}