package RMI;

import java.util.HashMap;
import java.util.Map;

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;


// TODO: Auto-generated Javadoc
/**
 * The Class RMI.PersistenceManager.
 */
public class PersistenceManager {

    /** The em factory. */
    private EntityManagerFactory emFactory;

    /**
     * Instantiates a new persistence manager.
     */
    public PersistenceManager() {
        emFactory = Persistence.createEntityManagerFactory("OrderAppFX");
    }

    /**
     * Instantiates a new persistence manager.
     *
     * @param ip the ip
     */
    public  PersistenceManager(String ip) {
        Map<String, String> persistenceMap = new HashMap<String, String>();
        String url = "jdbc:mysql://" + ip + ":3306/ete_db?useSSL=true&amp;verifyServerCertificate=false";
        persistenceMap.put("javax.persistence.jdbc.url", url);
        persistenceMap.put("javax.persistence.jdbc.user", "eteuser");
        persistenceMap.put("javax.persistence.jdbc.password", "123456");
        persistenceMap.put("javax.persistence.jdbc.driver", "com.mysql.jdbc.Driver");

        if (emFactory != null && emFactory.isOpen())
            emFactory.close();
        emFactory = Persistence.createEntityManagerFactory("OrderAppFX", persistenceMap);
    }

    /**
     * Instantiates a new persistence manager.
     *
     * @param driver the driver
     * @param url the url
     * @param username the username
     * @param password the password
     */
    public  PersistenceManager(String driver, String url, String username, String password) {
        Map<String, String> persistenceMap = new HashMap<String, String>();

        persistenceMap.put("javax.persistence.jdbc.url", url);
        persistenceMap.put("javax.persistence.jdbc.user", username);
        persistenceMap.put("javax.persistence.jdbc.password", password);
        persistenceMap.put("javax.persistence.jdbc.driver", driver);

        if (emFactory != null && emFactory.isOpen())
            emFactory.close();
        emFactory = Persistence.createEntityManagerFactory("OrderAppFX", persistenceMap);
    }

    /**
     * Gets the entity manager.
     *
     * @return the entity manager
     */
    public EntityManager getEntityManager() {
        return emFactory.createEntityManager();
    }

    /**
     * Close.
     */
    public void close() {
        emFactory.close();
    }
}