EntityManagerService.java

/*
 * Copyright (c) 2002-2022, City of Paris
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice
 *     and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above copyright notice
 *     and the following disclaimer in the documentation and/or other materials
 *     provided with the distribution.
 *
 *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
 *     contributors may be used to endorse or promote products derived from
 *     this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * License 1.0
 */
package fr.paris.lutece.portal.service.jpa;

import fr.paris.lutece.util.jpa.JPAConstants;

import java.util.Map;

import javax.persistence.EntityManagerFactory;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

/**
 * Class EntityManagerService
 */
public class EntityManagerService
{
    private static Logger _log = LogManager.getLogger( JPAConstants.JPA_LOGGER );
    private static Map<String, EntityManagerFactory> _mapFactories;

    /**
     * Sets the map of factories (injected in core_context.xml)
     * 
     * @param mapFactories
     *            The factories map
     */
    public void setMapFactories( Map<String, EntityManagerFactory> mapFactories )
    {
        _mapFactories = mapFactories;
    }

    /**
     * Returns all factories
     * 
     * @return all factories
     */
    public Map<String, EntityManagerFactory> getEntityManagerFactories( )
    {
        return _mapFactories;
    }

    /**
     * Gets an Entity Manager Factory for a given pool name
     * 
     * @param strPoolName
     *            The name of the persistence pool name
     * @return An Entity Manager Factory
     */
    public EntityManagerFactory getEntityManagerFactory( String strPoolName )
    {
        EntityManagerFactory emf = _mapFactories.get( strPoolName );

        if ( emf == null )
        {
            _log.error( "EntityManagerService Error - No factory was found for pool : {}", strPoolName );
        }

        return emf;
    }
}