390795154f
* Reduces checkstyle errors in semaphore * Reduces checkstyle errors in servant * Reduces checkstyle errors in serverless * Reduces checkstyle errors in service-layer * Reduces checkstyle errors in service-locator
83 lines
3.0 KiB
Java
83 lines
3.0 KiB
Java
/*
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* The MIT License
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* Copyright © 2014-2019 Ilkka Seppälä
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package com.iluwatar.servicelayer.hibernate;
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import com.iluwatar.servicelayer.spell.Spell;
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import com.iluwatar.servicelayer.spellbook.Spellbook;
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import com.iluwatar.servicelayer.wizard.Wizard;
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import org.hibernate.SessionFactory;
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import org.hibernate.cfg.Configuration;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* Produces the Hibernate {@link SessionFactory}.
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*/
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public final class HibernateUtil {
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private static final Logger LOGGER = LoggerFactory.getLogger(HibernateUtil.class);
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/**
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* The cached session factory.
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*/
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private static volatile SessionFactory sessionFactory;
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private HibernateUtil() {
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}
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/**
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* Create the current session factory instance, create a new one when there is none yet.
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*
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* @return The session factory
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*/
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public static synchronized SessionFactory getSessionFactory() {
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if (sessionFactory == null) {
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try {
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sessionFactory =
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new Configuration().addAnnotatedClass(Wizard.class).addAnnotatedClass(Spellbook.class)
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.addAnnotatedClass(Spell.class)
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.setProperty("hibernate.dialect", "org.hibernate.dialect.H2Dialect")
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.setProperty("hibernate.connection.url", "jdbc:h2:mem:test;DB_CLOSE_DELAY=-1")
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.setProperty("hibernate.current_session_context_class", "thread")
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.setProperty("hibernate.show_sql", "false")
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.setProperty("hibernate.hbm2ddl.auto", "create-drop").buildSessionFactory();
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} catch (Throwable ex) {
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LOGGER.error("Initial SessionFactory creation failed.", ex);
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throw new ExceptionInInitializerError(ex);
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}
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}
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return sessionFactory;
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}
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/**
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* Drop the current connection, resulting in a create-drop clean database next time. This is
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* mainly used for JUnit testing since one test should not influence the other
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*/
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public static void dropSession() {
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getSessionFactory().close();
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sessionFactory = null;
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}
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}
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