/**
* Closes the session factory, releasing all held resources.
*
* <ol>
* <li>cleans up used cache regions and "stops" the cache provider.
* <li>close the JDBC connection
* <li>remove the JNDI binding
* </ol>
*
* Note: Be aware that the sessionfactory instance still can be a "heavy" object memory wise after
* close() has been called. Thus it is important to not keep referencing the instance to let the
* garbage collector release the memory.
*/
public void close() throws HibernateException {
if (isClosed) {
log.trace("already closed");
return;
}
log.info("closing");
isClosed = true;
Iterator iter = entityPersisters.values().iterator();
while (iter.hasNext()) {
EntityPersister p = (EntityPersister) iter.next();
if (p.hasCache()) {
p.getCacheAccessStrategy().getRegion().destroy();
}
}
iter = collectionPersisters.values().iterator();
while (iter.hasNext()) {
CollectionPersister p = (CollectionPersister) iter.next();
if (p.hasCache()) {
p.getCacheAccessStrategy().getRegion().destroy();
}
}
if (settings.isQueryCacheEnabled()) {
queryCache.destroy();
iter = queryCaches.values().iterator();
while (iter.hasNext()) {
QueryCache cache = (QueryCache) iter.next();
cache.destroy();
}
updateTimestampsCache.destroy();
}
settings.getRegionFactory().stop();
if (settings.isAutoDropSchema()) {
schemaExport.drop(false, true);
}
try {
settings.getConnectionProvider().close();
} finally {
SessionFactoryObjectFactory.removeInstance(uuid, name, properties);
}
observer.sessionFactoryClosed(this);
eventListeners.destroyListeners();
}
public JbpmSchemaUpdate(Configuration cfg, Settings settings) throws HibernateException {
this.configuration = cfg;
dialect = settings.getDialect();
connectionProvider = settings.getConnectionProvider();
exceptions = new ArrayList();
}
public ConnectionProvider getConnectionProvider() {
return settings.getConnectionProvider();
}
