protected List<T> findByCriteria(Criterion... criterion) {
		Criteria crit = getSession().createCriteria(getPersistentClass());
		for (Criterion c : criterion) {
			crit.add(c);
		}
		return crit.list();
	}

<hibernate-mapping>

	<class name="User" table="User">

		<id name="id" column="id">
			<generator class="native" />
		</id>
		<property name="name" unique="true" />
		<property name="email" />

	</class>

</hibernate-mapping>