/**
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.airavata.service.profile.commons.utils;

import jakarta.persistence.EntityManager;
import jakarta.persistence.EntityManagerFactory;
import org.apache.airavata.common.utils.JDBCConfig;

public class JPAUtils {
    private static final String PERSISTENCE_UNIT_NAME = "profile_service";
    private static final JDBCConfig JDBC_CONFIG = new ProfileServiceJDBCConfig();
    private static final EntityManagerFactory factory =
            org.apache.airavata.common.utils.JPAUtils.getEntityManagerFactory(PERSISTENCE_UNIT_NAME, JDBC_CONFIG);

    public static EntityManager getEntityManager() {
        return factory.createEntityManager();
    }

    public static <R> R execute(Committer<EntityManager, R> committer) {
        EntityManager entityManager = JPAUtils.getEntityManager();
        try {
            entityManager.getTransaction().begin();
            R r = committer.commit(entityManager);
            entityManager.getTransaction().commit();
            return r;
        } finally {
            if (entityManager != null && entityManager.isOpen()) {
                if (entityManager.getTransaction().isActive()) {
                    entityManager.getTransaction().rollback();
                }
                entityManager.close();
            }
        }
    }
}
