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PersistenceProvider.java
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PersistenceProvider.java
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/**
* Copyright (C) 2019 Czech Technical University in Prague
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details. You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cz.cvut.kbss.jopa.model;
import java.util.Map;
/**
* Interface implemented by the persistence provider.
* <p>
* It is invoked by the container in Java EE environments and by the Persistence class in Java SE environments to create
* an EntityManagerFactory and/or to cause schema generation to occur.
*/
public interface PersistenceProvider {
/**
* Called by Persistence class when an EntityManagerFactory is to be created.
*
* @param emName the name of the persistence unit
* @param map a Map of properties for use by the persistence provider. These properties specify storage
* connection configuration and may also specify additional configuration.
* @return EntityManagerFactory for the persistence unit, or null if the provider is not the right provider.
*/
EntityManagerFactory createEntityManagerFactory(String emName, Map<String, String> map);
// TODO JPA 2.0
// public EntityManagerFactory
// createContainerEntityManagerFactory(PersistenceUnitInfo info, Map map);
/**
* Return the utility interface implemented by the persistence provider.
*
* @return ProviderUtil interface
*/
ProviderUtil getProviderUtil();
}