public static void stopServices() throws Exception {
MySqlPortal.stop();
TemporaryTable.onStopServices();
if (GroupManager.getCoordinationServices() != null)
GroupManager.getCoordinationServices().unRegisterWithGroup();
Host.hostStop();
Agent.stopServices();
CatalogDAOFactory.shutdown();
AutoIncrementTracker.clearCache();
RangeDistributionModel.clearCache();
RandomDistributionModel.clearCache();
SiteProviderFactory.closeSiteProviders();
ExternalServiceFactory.closeExternalServices();
GroupManager.shutdown();
DirectConnectionCache.clearConnectionCache();
}
public static <T> BootstrapHost startServices(Class<T> bootstrapClass, Properties props)
throws Exception {
String url = props.getProperty(DBHelper.CONN_URL);
String database = props.getProperty(DBHelper.CONN_DBNAME, PEConstants.CATALOG);
// Fail to start if we don't have a valid catalog connection URL
if (StringUtils.isBlank(url))
throw new PEException(
"Value for " + DBHelper.CONN_URL + " not specified in server configuration");
if (StringUtils.isBlank(database))
throw new PEException(
"Value for " + DBHelper.CONN_DBNAME + " not specified in server configuration");
// Attempt to load the JDBC driver - fail early if it isn't available
DBHelper.loadDriver(props.getProperty(DBHelper.CONN_DRIVER_CLASS));
props.put(
DBHelper.CONN_URL,
CatalogURL.buildCatalogBaseUrlFrom(props.getProperty(DBHelper.CONN_URL)).toString());
props.put(DBHelper.CONN_DBNAME, database);
DBHelper helper = new DBHelper(props);
int catalogAccessible = 1;
try {
// Check that we can connect to the database and that the catalog database exists
helper.connect();
// and also check that it is a valid catalog
helper.executeQuery("SELECT name FROM " + database + ".user_table");
} catch (Exception e) {
String message = e.getMessage();
if (message != null && message.startsWith("Error using")) catalogAccessible = -1;
else catalogAccessible = 0;
if (catalogAccessible == 0)
throw new Exception(
"A DVE catalog couldn't be found at '"
+ url
+ "' with name '"
+ database
+ "' - use dve_config to set the connection credentials for the server (error was "
+ message
+ ")");
} finally {
helper.disconnect();
}
if (catalogAccessible == -1) {
new CatalogHelper(bootstrapClass).createBootstrapCatalog();
}
// Temporarily set the log level to info so that the below message will print and force the
// header to print
Level logLevel =
logger.getLevel(); // this is needed in case an explicit level is set on this category
Level effectiveLevel =
logger
.getEffectiveLevel(); // if an explicit level isn't set, this gets the level from the
// hierarchy
logger.setLevel(Level.INFO);
if (catalogAccessible == -1) {
logger.info("INSTALLED BOOTSTRAP CATALOG " + database + " AT " + url);
}
logger.info("Starting DVE server using:");
logger.info("... Catalog URL : " + url);
logger.info("... Catalog database : " + database);
logger.info("... Catalog User : "******"Resetting log level back to: " + effectiveLevel);
logger.setLevel(logLevel);
// We have to initialize the Group Manager before anything else.
GroupManager.initialize(props);
GroupManager.getCoordinationServices().registerWithGroup(props);
CatalogDAOFactory.setup(props);
SchemaSourceFactory.reset();
ErrorMapper.initialize();
Agent.setPluginProvider(SimpleMQPlugin.PROVIDER);
Agent.startServices(props);
BootstrapHost host = new BootstrapHost(bootstrapClass.getName(), props);
ClusterLock genLock =
GroupManager.getCoordinationServices()
.getClusterLock(RangeDistributionModel.GENERATION_LOCKNAME);
String reason = "boostrapping system";
genLock.sharedLock(null, reason);
genLock.sharedUnlock(null, reason);
TemporaryTable.onStartServices();
MySqlPortal.start(props);
return host;
}
