/*
* This file is part of rockframework.
*
* rockframework is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* rockframework is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>;.
*/
package br.net.woodstock.rockframework.domain.persistence.orm.util;
import javax.persistence.CascadeType;
import javax.persistence.ManyToOne;
import javax.persistence.OneToOne;
import org.hibernate.event.AbstractPreDatabaseOperationEvent;
import org.hibernate.event.EventSource;
import br.net.woodstock.rockframework.domain.Entity;
import br.net.woodstock.rockframework.domain.config.DomainLog;
import br.net.woodstock.rockframework.domain.utils.EntityUtils;
import br.net.woodstock.rockframework.reflection.BeanDescriptor;
import br.net.woodstock.rockframework.reflection.PropertyDescriptor;
import br.net.woodstock.rockframework.reflection.impl.BeanDescriptorBuilder;
abstract class AbstractHibernateFlushProblemPreListener {
@SuppressWarnings({ "unchecked", "rawtypes" })
public void cleanEntity(final AbstractPreDatabaseOperationEvent event) {
Object src = event.getEntity();
EventSource eventSource = event.getSession();
if (src instanceof Entity) {
try {
BeanDescriptor beanDescriptor = new BeanDescriptorBuilder(src.getClass()).getBeanDescriptor();
for (PropertyDescriptor propertyDescriptor : beanDescriptor.getProperties()) {
Class propertyType = propertyDescriptor.getType();
Object propertyValue = propertyDescriptor.getValue(src);
if (Entity.class.isAssignableFrom(propertyType)) {
Entity entity = (Entity) propertyValue;
if (EntityUtils.isNotEmptyId(entity)) {
if (!this.isCascade(propertyDescriptor)) {
Entity newEntity = (Entity) propertyType.newInstance();
newEntity.setId(entity.getId());
propertyDescriptor.setValue(src, newEntity);
eventSource.evict(entity);
}
} else {
propertyDescriptor.setValue(src, null);
}
}
}
} catch (Exception e) {
DomainLog.getInstance().getLog().info(e.getMessage(), e);
}
}
}
protected boolean isCascade(final PropertyDescriptor propertyDescriptor) {
if ((propertyDescriptor.isAnnotationPresent(OneToOne.class)) || (propertyDescriptor.isAnnotationPresent(ManyToOne.class))) {
CascadeType[] cascades = null;
boolean isCascade = false;
if (propertyDescriptor.isAnnotationPresent(OneToOne.class)) {
OneToOne oneToOne = propertyDescriptor.getAnnotation(OneToOne.class);
cascades = oneToOne.cascade();
} else {
ManyToOne manyToOne = propertyDescriptor.getAnnotation(ManyToOne.class);
cascades = manyToOne.cascade();
}
if ((cascades != null) && (cascades.length > 0)) {
for (CascadeType cascade : cascades) {
if ((cascade == CascadeType.ALL) || (cascade == CascadeType.MERGE)) {
isCascade = true;
}
}
}
return isCascade;
}
return false;
}
}