--- /dev/null
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * JBoss, Home of Professional Open Source
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @authors tag. All rights reserved.
+ * See the copyright.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU Lesser General Public License, v. 2.1.
+ * This program is distributed in the hope that it will be useful, but WITHOUT A
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ * You should have received a copy of the GNU Lesser General Public License,
+ * v.2.1 along with this distribution; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+package org.hibernate.osgitest;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityManagerFactory;
+import javax.persistence.spi.PersistenceProvider;
+
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.FrameworkUtil;
+import org.osgi.framework.ServiceReference;
+
+/**
+ * @author Brett Meyer
+ */
+
+public class HibernateUtil {
+
+ private EntityManagerFactory emf;
+
+ public EntityManager getEntityManager() {
+ return getEntityManagerFactory().createEntityManager();
+ }
+
+ private EntityManagerFactory getEntityManagerFactory() {
+ if ( emf == null ) {
+ Bundle thisBundle = FrameworkUtil.getBundle( HibernateUtil.class );
+ // Could get this by wiring up OsgiTestBundleActivator as well.
+ BundleContext context = thisBundle.getBundleContext();
+
+ ServiceReference serviceReference = context.getServiceReference( PersistenceProvider.class.getName() );
+ PersistenceProvider persistenceProvider = (PersistenceProvider) context.getService( serviceReference );
+
+ emf = persistenceProvider.createEntityManagerFactory( "unmanaged-jpa", null );
+ }
+ return emf;
+ }
+}