private void applyCacheSettings(Configuration configuration) {
if (settings.getCacheConcurrencyStrategy() != null) {
Iterator iter = configuration.getClassMappings();
while (iter.hasNext()) {
PersistentClass clazz = (PersistentClass) iter.next();
Iterator props = clazz.getPropertyClosureIterator();
boolean hasLob = false;
while (props.hasNext()) {
Property prop = (Property) props.next();
if (prop.getValue().isSimpleValue()) {
String type = ((SimpleValue) prop.getValue()).getTypeName();
if ("blob".equals(type) || "clob".equals(type)) {
hasLob = true;
}
if (Blob.class.getName().equals(type) || Clob.class.getName().equals(type)) {
hasLob = true;
}
}
}
if (!hasLob && !clazz.isInherited() && settings.overrideCacheStrategy()) {
configuration.setCacheConcurrencyStrategy(
clazz.getEntityName(), settings.getCacheConcurrencyStrategy());
}
}
iter = configuration.getCollectionMappings();
while (iter.hasNext()) {
Collection coll = (Collection) iter.next();
configuration.setCollectionCacheConcurrencyStrategy(
coll.getRole(), settings.getCacheConcurrencyStrategy());
}
}
}
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);
}
private void applyMappings(Configuration configuration) {
String[] mappings = settings.getMappings();
for (int i = 0; i < mappings.length; i++) {
configuration.addResource(
settings.getBaseForMappings() + mappings[i], ExecutionEnvironment.class.getClassLoader());
}
}
public void rebuild() {
if (!allowRebuild) {
return;
}
if (sessionFactory != null) {
sessionFactory.close();
sessionFactory = null;
}
sessionFactory = configuration.buildSessionFactory();
settings.afterSessionFactoryBuilt((SessionFactoryImplementor) sessionFactory);
}
