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ItEr20S04ArquitecturaServidorItEr19S04: Adding automatical exception translation, so calling convertHibernateAccessException(e) is no longer necessary.

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This commit is contained in:
Óscar González Fernández 2009-08-05 14:07:15 +02:00
parent 3e8d8e98d0
commit 79b798519f
5 changed files with 31 additions and 89 deletions
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7
navalplanner-business/src/main/java/org/navalplanner/business/advance/daos/AdvanceTypeDAO.java
View file

@ -1,6 +1,5 @@
package org.navalplanner.business.advance.daos;
import org.hibernate.HibernateException;
import org.hibernate.criterion.Restrictions;
import org.navalplanner.business.advance.entities.AdvanceType;
import org.navalplanner.business.common.daos.GenericDAOHibernate;
@ -17,14 +16,8 @@ import org.springframework.stereotype.Repository;
public class AdvanceTypeDAO extends GenericDAOHibernate<AdvanceType, Long>
implements IAdvanceTypeDAO {
public boolean existsNameAdvanceType(String unitName) {
try {
return getSession().createCriteria(AdvanceType.class).add(
Restrictions.eq("unitName", unitName)).uniqueResult() != null;
} catch (HibernateException e) {
throw convertHibernateAccessException(e);
}
}
@Override

1
navalplanner-business/src/main/java/org/navalplanner/business/advance/daos/IAdvanceTypeDAO.java
View file

@ -12,4 +12,5 @@ public interface IAdvanceTypeDAO extends IGenericDAO<AdvanceType, Long>{
public boolean existsNameAdvanceType(String unitName);
public AdvanceType findByName(String name);
}

107
navalplanner-business/src/main/java/org/navalplanner/business/common/daos/GenericDAOHibernate.java
View file

@ -6,7 +6,6 @@ import java.lang.reflect.ParameterizedType;
import java.util.List;
import org.apache.commons.lang.Validate;
import org.hibernate.HibernateException;
import org.hibernate.LockMode;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
@ -15,8 +14,6 @@ import org.hibernate.criterion.Projections;
import org.hibernate.criterion.Restrictions;
import org.navalplanner.business.common.exceptions.InstanceNotFoundException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.DataAccessException;
import org.springframework.orm.hibernate3.SessionFactoryUtils;
/**
* An implementation of <code>IGenericDao</code> based on Hibernate's native
@ -59,40 +56,19 @@ public class GenericDAOHibernate<E, PK extends Serializable> implements
return sessionFactory.getCurrentSession();
}
protected DataAccessException convertHibernateAccessException(
HibernateException e) {
return SessionFactoryUtils.convertHibernateAccessException(e);
}
public void save(E entity) {
try {
getSession().saveOrUpdate(entity);
} catch (HibernateException e) {
throw convertHibernateAccessException(e);
}
getSession().saveOrUpdate(entity);
}
public void reattachUnmodifiedEntity(E entity) {
try {
getSession().lock(entity, LockMode.NONE);
} catch (HibernateException e) {
throw convertHibernateAccessException(e);
}
getSession().lock(entity, LockMode.NONE);
}
public E merge(E entity) {
try {
return entityClass.cast(getSession().merge(entity));
} catch (HibernateException e) {
throw convertHibernateAccessException(e);
}
return entityClass.cast(getSession().merge(entity));
}
@ -123,55 +99,36 @@ public class GenericDAOHibernate<E, PK extends Serializable> implements
}
/* Check version. */
try {
Long versionValueInDB = (Long) getSession().createCriteria(entityClass)
.add(Restrictions.idEq(id)).setProjection(
Projections.property("version")).uniqueResult();
Long versionValueInDB = (Long)
getSession().createCriteria(entityClass).
add(Restrictions.idEq(id)).
setProjection(Projections.property("version")).
uniqueResult();
if (versionValueInDB == null) {
return;
}
if (versionValueInDB == null) {
return;
}
if (!versionValueInMemory.equals(versionValueInDB)) {
throw new StaleObjectStateException(entityClass.getName(), id);
}
} catch (HibernateException e) {
throw convertHibernateAccessException(e);
if (!versionValueInMemory.equals(versionValueInDB)) {
throw new StaleObjectStateException(entityClass.getName(), id);
}
}
public void lock(E entity) {
try {
getSession().lock(entity, LockMode.UPGRADE);
} catch (HibernateException e) {
throw convertHibernateAccessException(e);
}
getSession().lock(entity, LockMode.UPGRADE);
}
@SuppressWarnings("unchecked")
public E find(PK id) throws InstanceNotFoundException {
try {
E entity = (E) getSession().get(entityClass, id);
E entity = (E) getSession().get(entityClass, id);
if (entity == null) {
throw new InstanceNotFoundException(id, entityClass.getName());
}
return entity;
} catch (HibernateException e) {
throw convertHibernateAccessException(e);
if (entity == null) {
throw new InstanceNotFoundException(id, entityClass.getName());
}
return entity;
}
public E findExistingEntity(PK id) {
@ -186,39 +143,25 @@ public class GenericDAOHibernate<E, PK extends Serializable> implements
public boolean exists(final PK id) {
try {
return getSession().createCriteria(entityClass).
add(Restrictions.idEq(id)).
setProjection(Projections.id()).
uniqueResult() != null;
} catch (HibernateException e) {
throw convertHibernateAccessException(e);
}
return getSession().createCriteria(entityClass).add(
Restrictions.idEq(id)).setProjection(Projections.id())
.uniqueResult() != null;
}
public void remove(PK id) throws InstanceNotFoundException {
try {
getSession().delete(find(id));
} catch (HibernateException e) {
throw convertHibernateAccessException(e);
}
getSession().delete(find(id));
}
@SuppressWarnings("unchecked")
@Override
public <T extends E> List<T> list(Class<T> klass) {
return getSession().createCriteria(klass).list();
}
try {
return getSession().createCriteria(klass).list();
} catch (HibernateException e) {
throw convertHibernateAccessException(e);
}
@Override
public void flush() {
getSession().flush();
}
}

2
navalplanner-business/src/main/java/org/navalplanner/business/common/daos/IGenericDAO.java
View file

@ -108,4 +108,6 @@ public interface IGenericDAO <E, PK extends Serializable>{
public <T extends E> List<T> list(Class<T> klass);
public void flush();
}

3
navalplanner-business/src/main/resources/navalplanner-business-spring-config.xml
View file

@ -12,6 +12,9 @@
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean"
p:jndiName="${dataSource.jndiName}" p:resourceRef="true" />
<!-- Letting Spring do automatically exception translation -->
<bean class="org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor"/>
<!-- Hibernate Session Factory. -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"