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Introduced HibernateUtil.

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This commit is contained in:
Ilkka Seppala 2015-04-13 23:29:07 +03:00
parent 885ec87e6f
commit 94235d71a1
2 changed files with 33 additions and 18 deletions
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20
dao/src/main/java/com/iluwatar/DaoBaseImpl.java
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@ -16,24 +16,8 @@ public abstract class DaoBaseImpl<E extends BaseEntity> implements Dao<E> {
protected Class<E> persistentClass = (Class<E>) ((ParameterizedType) getClass() protected Class<E> persistentClass = (Class<E>) ((ParameterizedType) getClass()
.getGenericSuperclass()).getActualTypeArguments()[0]; .getGenericSuperclass()).getActualTypeArguments()[0];
protected final SessionFactory sessionFactory = createSessionFactory();
private SessionFactory createSessionFactory() {
SessionFactory sessionFactory = new Configuration()
.addAnnotatedClass(Wizard.class)
.addAnnotatedClass(Spellbook.class)
.addAnnotatedClass(Spell.class)
.setProperty("hibernate.dialect", "org.hibernate.dialect.H2Dialect")
.setProperty("hibernate.connection.url", "jdbc:h2:mem:test;DB_CLOSE_DELAY=-1")
.setProperty("hibernate.current_session_context_class", "thread")
.setProperty("hibernate.show_sql", "true")
.setProperty("hibernate.hbm2ddl.auto", "create-drop")
.buildSessionFactory();
return sessionFactory;
}
private Session getSession() { private Session getSession() {
return sessionFactory.openSession(); return HibernateUtil.getSessionFactory().openSession();
} }
@Override @Override
@ -43,7 +27,7 @@ public abstract class DaoBaseImpl<E extends BaseEntity> implements Dao<E> {
E result = null; E result = null;
try { try {
tx = session.beginTransaction(); tx = session.beginTransaction();
Criteria criteria = sessionFactory.getCurrentSession().createCriteria(persistentClass); Criteria criteria = session.createCriteria(persistentClass);
criteria.add(Restrictions.idEq(id)); criteria.add(Restrictions.idEq(id));
result = (E) criteria.uniqueResult(); result = (E) criteria.uniqueResult();
tx.commit(); tx.commit();

31
dao/src/main/java/com/iluwatar/HibernateUtil.java Normal file
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@ -0,0 +1,31 @@
package com.iluwatar;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
public class HibernateUtil {
private static final SessionFactory sessionFactory;
static {
try {
sessionFactory = new Configuration()
.addAnnotatedClass(Wizard.class)
.addAnnotatedClass(Spellbook.class)
.addAnnotatedClass(Spell.class)
.setProperty("hibernate.dialect", "org.hibernate.dialect.H2Dialect")
.setProperty("hibernate.connection.url", "jdbc:h2:mem:test;DB_CLOSE_DELAY=-1")
.setProperty("hibernate.current_session_context_class", "thread")
.setProperty("hibernate.show_sql", "true")
.setProperty("hibernate.hbm2ddl.auto", "create-drop")
.buildSessionFactory();
} catch (Throwable ex) {
System.err.println("Initial SessionFactory creation failed." + ex);
throw new ExceptionInInitializerError(ex);
}
}
public static SessionFactory getSessionFactory() {
return sessionFactory;
}
}