/**
* 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;
}
/**
* Starts Grid instance. Note that if grid is already started, then it will be looked up and
* returned from this method.
*
* @return Started grid.
*/
private Grid startGrid() {
Properties props = System.getProperties();
gridName = props.getProperty(GRIDGAIN_NAME.name());
if (!props.containsKey(GRIDGAIN_NAME.name()) || G.state(gridName) != GridFactoryState.STARTED) {
selfStarted = true;
// Set class loader for the spring.
ClassLoader curCl = Thread.currentThread().getContextClassLoader();
// Add no-op logger to remove no-appender warning.
Appender app = new NullAppender();
Logger.getRootLogger().addAppender(app);
try {
Thread.currentThread().setContextClassLoader(getClass().getClassLoader());
Grid grid = G.start(cfgPath);
gridName = grid.name();
System.setProperty(GRIDGAIN_NAME.name(), grid.name());
return grid;
} catch (GridException e) {
throw new GridRuntimeException("Failed to start grid: " + cfgPath, e);
} finally {
Logger.getRootLogger().removeAppender(app);
Thread.currentThread().setContextClassLoader(curCl);
}
}
return G.grid(gridName);
}