public void initialize() {
if (sessionFactory != null) {
throw new IllegalStateException(
"attempt to initialize already initialized ExecutionEnvironment");
}
if (!settings.appliesTo(getDialect())) {
return;
}
Configuration configuration = new Configuration();
configuration.setProperty(
Environment.CACHE_PROVIDER, "org.hibernate.cache.HashtableCacheProvider");
settings.configure(configuration);
applyMappings(configuration);
applyCacheSettings(configuration);
if (settings.createSchema()) {
configuration.setProperty(Environment.HBM2DDL_AUTO, "create-drop");
}
// make sure we use the same dialect...
configuration.setProperty(Environment.DIALECT, getDialect().getClass().getName());
configuration.buildMappings();
settings.afterConfigurationBuilt(configuration.createMappings(), getDialect());
SessionFactory sessionFactory = configuration.buildSessionFactory();
this.configuration = configuration;
this.sessionFactory = sessionFactory;
settings.afterSessionFactoryBuilt((SessionFactoryImplementor) sessionFactory);
}
