/**
* Creates configuration properties object for new connection.
*
* <p>See GridGain client javadoc for more information: {@link GridClientConfiguration}.
*
* <p>All parameters are optional.
*
* @return Configuration.
*/
private static Properties configuration() {
Properties cfg = new Properties();
// Node ID where to execute query. This property is useful when you have several
// local caches with same name in topology and want to specify which of them to connect.
//
// Uncomment line below and provide correct ID if needed.
// cfg.setProperty(CONF_NODE_ID, "E0869485-512C-41F9-866D-BE906B591BEA");
// Communication protocol (TCP or HTTP). Default is TCP.
cfg.setProperty(CONF_PROTO, "TCP");
// Socket timeout. Default is 0 which means infinite timeout.
cfg.setProperty(CONF_TIMEOUT, "0");
// Flag indicating whether TCP_NODELAY flag should be enabled for outgoing
// connections. Default is true.
cfg.setProperty(CONF_TCP_NO_DELAY, "true");
// Flag indicating that SSL is needed for connection. Default is false.
cfg.setProperty(CONF_SSL_ENABLED, "false");
// SSL context factory class name. Class must extend
// org.gridgain.client.ssl.GridSslContextFactory
// interface, have default constructor and be available on classpath.
// Ignored if SSL is disabled.
cfg.setProperty(CONF_SSL_FACTORY, "org.gridgain.client.ssl.GridSslBasicContextFactory");
// SSL pass-phrase.
// Ignored is SSL is disabled.
cfg.setProperty(CONF_CREDS, "s3cr3t");
// Flag indicating that topology is cached internally. Cache will be refreshed
// in the background with interval defined by CONF_TOP_REFRESH_FREQ property
// (see below). Default is false.
cfg.setProperty(CONF_TOP_CACHE_ENABLED, "false");
// Topology cache refresh frequency. Default is 2000 ms.
cfg.setProperty(CONF_TOP_REFRESH_FREQ, "2000");
// Maximum amount of time that connection can be idle before it is closed.
// Default is 30000 ms.
cfg.setProperty(CONF_MAX_IDLE_TIME, "30000");
return cfg;
}
/**
* Initializes store.
*
* @throws GridException If failed to initialize.
*/
private void init() throws GridException {
if (initGuard.compareAndSet(false, true)) {
if (log.isDebugEnabled()) log.debug("Initializing cache store.");
try {
if (sesFactory != null)
// Session factory has been provided - nothing to do.
return;
if (!F.isEmpty(hibernateCfgPath)) {
try {
URL url = new URL(hibernateCfgPath);
sesFactory = new Configuration().configure(url).buildSessionFactory();
if (log.isDebugEnabled()) log.debug("Configured session factory using URL: " + url);
// Session factory has been successfully initialized.
return;
} catch (MalformedURLException e) {
if (log.isDebugEnabled())
log.debug("Caught malformed URL exception: " + e.getMessage());
}
// Provided path is not a valid URL. File?
File cfgFile = new File(hibernateCfgPath);
if (cfgFile.exists()) {
sesFactory = new Configuration().configure(cfgFile).buildSessionFactory();
if (log.isDebugEnabled())
log.debug("Configured session factory using file: " + hibernateCfgPath);
// Session factory has been successfully initialized.
return;
}
// Provided path is not a file. Classpath resource?
sesFactory = new Configuration().configure(hibernateCfgPath).buildSessionFactory();
if (log.isDebugEnabled())
log.debug("Configured session factory using classpath resource: " + hibernateCfgPath);
} else {
if (hibernateProps == null) {
U.warn(
log, "No Hibernate configuration has been provided for store (will use default).");
hibernateProps = new Properties();
hibernateProps.setProperty("hibernate.connection.url", DFLT_CONN_URL);
hibernateProps.setProperty("hibernate.show_sql", DFLT_SHOW_SQL);
hibernateProps.setProperty("hibernate.hbm2ddl.auto", DFLT_HBM2DDL_AUTO);
}
Configuration cfg = new Configuration();
cfg.setProperties(hibernateProps);
assert resourceAvailable(MAPPING_RESOURCE);
cfg.addResource(MAPPING_RESOURCE);
sesFactory = cfg.buildSessionFactory();
if (log.isDebugEnabled())
log.debug("Configured session factory using properties: " + hibernateProps);
}
} catch (HibernateException e) {
throw new GridException("Failed to initialize store.", e);
} finally {
initLatch.countDown();
}
} else if (initLatch.getCount() > 0) U.await(initLatch);
if (sesFactory == null) throw new GridException("Cache store was not properly initialized.");
}
