com.github.lburgazzoli.sandbox.jpa.openjpa.OpenJpaMain.java Source code

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Here is the source code for com.github.lburgazzoli.sandbox.jpa.openjpa.OpenJpaMain.java

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/*
 * Copyright 2014 lb
 *
 * Licensed 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 com.github.lburgazzoli.sandbox.jpa.openjpa;

import com.google.common.collect.Maps;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import java.util.Map;

/**
 *
 */
public class OpenJpaMain {
    private static final Logger LOGGER = LoggerFactory.getLogger(OpenJpaMain.class);

    // *************************************************************************
    //
    // *************************************************************************

    public static void main(String[] args) {
        EntityManagerFactory emf = null;
        EntityManager em = null;
        try {
            Map<Object, Object> properties = Maps.newHashMap();
            if (args.length == 1) {
                properties.put("openjpa.Log", args[0]);
            }

            emf = Persistence.createEntityManagerFactory("DATA_OPENJPA", properties);
            em = emf.createEntityManager();

            em.getTransaction().begin();
            em.persist(new OpenJpaItem("item_1", "desr_1"));
            em.getTransaction().commit();
        } catch (Exception e) {
            if (em.getTransaction().isActive()) {
                em.getTransaction().rollback();
            }

            LOGGER.warn("Exception", e);
        } finally {
            if (em != null) {
                em.close();
            }
        }
    }
}