Example usage for org.hibernate.jpa.boot.internal PersistenceXmlParser locatePersistenceUnits

Introduction

In this page you can find the example usage for org.hibernate.jpa.boot.internal PersistenceXmlParser locatePersistenceUnits.

Prototype

public static List<ParsedPersistenceXmlDescriptor> locatePersistenceUnits(Map integration) 

Source Link

Document

Find all persistence-units from all accessible META-INF/persistence.xml resources

Usage

From source file:org.keycloak.connections.jpa.util.JpaUtils.java

License:Apache License

public static EntityManagerFactory createEntityManagerFactory(KeycloakSession session, String unitName,
        Map<String, Object> properties, boolean jta) {
    PersistenceUnitTransactionType txType = jta ? PersistenceUnitTransactionType.JTA
            : PersistenceUnitTransactionType.RESOURCE_LOCAL;
    List<ParsedPersistenceXmlDescriptor> persistenceUnits = PersistenceXmlParser
            .locatePersistenceUnits(properties);
    for (ParsedPersistenceXmlDescriptor persistenceUnit : persistenceUnits) {
        if (persistenceUnit.getName().equals(unitName)) {
            List<Class<?>> providedEntities = getProvidedEntities(session);
            for (Class<?> entityClass : providedEntities) {
                // Add all extra entity classes to the persistence unit.
                persistenceUnit.addClasses(entityClass.getName());
            }//from w  ww  . j av a2  s.c o  m
            // Now build the entity manager factory, supplying a proxy classloader, so Hibernate will be able
            // to find and load the extra provided entities.
            persistenceUnit.setTransactionType(txType);
            return Bootstrap.getEntityManagerFactoryBuilder(persistenceUnit, properties,
                    new ProxyClassLoader(providedEntities)).build();
        }
    }
    throw new RuntimeException("Persistence unit '" + unitName + "' not found");
}

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