org.unitils.orm.jpa.JpaUnitils Maven / Gradle / Ivy
/*
* Copyright 2008, Unitils.org
*
* 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.unitils.orm.jpa;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import org.unitils.core.Unitils;
import org.unitils.core.UnitilsException;
import org.unitils.orm.jpa.annotation.JpaEntityManagerFactory;
/**
* Utility facade for handling JPA related stuff such as asserting whether the mappings correspond to the actual
* structure of the database.
*
* @author Filip Neven
* @author Tim Ducheyne
*/
public class JpaUnitils {
/**
* Checks if the mapping of the JPA entities with the database is still correct for the configurations
* that are loaded for the current test.
*/
public static void assertMappingWithDatabaseConsistent() {
getJpaModule().assertMappingWithDatabaseConsistent(getTestObject());
}
/**
* Flushes all pending entity manager updates to the database. This method is useful when the effect
* of updates needs to be checked directly on the database, without passing through the currently active
* EntityManager
*/
public static void flushDatabaseUpdates() {
getJpaModule().flushDatabaseUpdates(getTestObject());
}
/**
* For the given target object, injects the active, transactional EntityManager into
* fields or methods annotated with javax.persistence.PersistenceContext
*
* @param target
*/
public static void injectEntityManagerInto(Object target) {
getJpaModule().injectJpaResourcesInto(getTestObject(), target);
}
/**
* @return The EntityManagerFactory configured for the current test object (spring or using
* the {@link JpaEntityManagerFactory} annotation.
*/
public static EntityManagerFactory getEntityManagerFactory() {
return getJpaModule().getPersistenceUnit(getTestObject());
}
/**
* @return An EntityManager associated with the current transaction. This method returns the
* same EntityManager during the course of a transaction.
*/
public static EntityManager getEntityManager() {
return getJpaModule().getPersistenceContext(getTestObject());
}
/**
* @return The current test object
*/
private static Object getTestObject() {
Object testObject = Unitils.getInstance().getTestContext().getTestObject();
if (testObject == null) {
throw new UnitilsException("No current test found in context. Unable to execute specified operation");
}
return testObject;
}
/**
* @return The {@link JpaModule}
*/
private static JpaModule getJpaModule() {
return Unitils.getInstance().getModulesRepository().getModuleOfType(JpaModule.class);
}
}