update et delete de AbstractHibernateDAO()
Bonjour,
je suis entrain de faire une application web en utilisant les framework struts, spring et hibernate.J'ai utilisé saltodb pour la géneration des pojo et des DAO.Les deux methodes update et delete de la classe AbstractHibernateDAO ci-dessous ne fonctionnent pas. :( Veuillez m'aider, SVP, pour resoudre ce probleme?
Merci d'avance.
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| public abstract class AbstractHibernateDAO<T, ID extends Serializable> extends HibernateDaoSupport implements GenericDAO<T, ID> {
private Class<T> persistentClass;
public AbstractHibernateDAO() {
this.persistentClass = (Class<T>) ((ParameterizedType) getClass().getGenericSuperclass()).getActualTypeArguments()[0];
}
public Class<T> getPersistentClass() {
return persistentClass;
}
@SuppressWarnings("unchecked")
public T getById(ID id) {
return (T) getSession().get(getPersistentClass(), id);
}
@SuppressWarnings("unchecked")
public T getById(ID id, boolean lock) {
if (lock) {
return (T) getSession().get(getPersistentClass(), id,
LockMode.UPGRADE);
} else
return getById(id);
}
@SuppressWarnings("unchecked")
public T loadById(ID id) {
return (T) getSession().load(getPersistentClass(), id);
}
public void save(T entity) {
getSession().save(entity);
}
public void update(T entity) {
getSession().update(entity);
}
public void saveOrUpdate(T entity) {
getSession().saveOrUpdate(entity);
}
public void delete(T entity) {
getSession().delete(entity);
}
public void deleteById(ID id) {
getSession().delete(loadById(id));
}
@SuppressWarnings("unchecked")
public List<T> findAll() {
return findByCriteria();
}
/**
* Use this inside subclasses as a convenience method.
*/
@SuppressWarnings("unchecked")
protected List<T> findByCriteria(Criterion... criterion) {
Criteria crit = getSession().createCriteria(getPersistentClass());
for (Criterion c : criterion) {
crit.add(c);
}
return crit.list();
}
/**
* Find by criteria.
*/
@SuppressWarnings("unchecked")
public List<T> findByCriteria(Map criterias) {
Criteria criteria = getSession().createCriteria(getPersistentClass());
criteria.add(Restrictions.allEq(criterias));
return criteria.list();
}
/**
* This method will execute an HQL query and return the number of affected entities.
*/
protected int executeQuery(String query, String namedParams[], Object params[]) {
Query q = getSession().createQuery(query);
if (namedParams != null) {
for (int i = 0; i < namedParams.length; i++) {
q.setParameter(namedParams[i], params[i]);
}
}
return q.executeUpdate();
}
protected int executeQuery(String query) {
return executeQuery(query, null, null);
}
/**
* This method will execute a Named HQL query and return the number of affected entities.
*/
protected int executeNamedQuery(String namedQuery, String namedParams[], Object params[]) {
Query q = getSession().getNamedQuery(namedQuery);
if (namedParams != null) {
for (int i = 0; i < namedParams.length; i++) {
q.setParameter(namedParams[i], params[i]);
}
}
return q.executeUpdate();
}
protected int executeNamedQuery(String namedQuery) {
return executeNamedQuery(namedQuery, null, null);
}
@SuppressWarnings("unchecked")
public List<T> findByExample(T exampleInstance, String[] excludeProperty) {
Criteria crit = getSession().createCriteria(getPersistentClass());
Example example = Example.create(exampleInstance).excludeZeroes().enableLike().ignoreCase();
for (String exclude : excludeProperty) {
example.excludeProperty(exclude);
}
crit.add(example);
return crit.list();
}} |
