public static StorageManager getStorage(VSensorConfig config) {
// StringBuilder sb = new StringBuilder("get storage for: ").append(config == null ? null :
// config.getName()).append(" -> use ");
StorageManager sm = storagesConfigs.get(config == null ? null : config);
if (sm != null) return sm;
DBConnectionInfo dci = null;
if (config == null || config.getStorage() == null || !config.getStorage().isDefined()) {
// Use the default storage
// sb.append("(default) config: ").append(config);
sm = mainStorage;
} else {
// sb.append("(specific) ");
// Use the virtual sensor specific storage
if (config.getStorage().isIdentifierDefined()) {
// TODO get the connection info with the identifier.
throw new IllegalArgumentException("Identifiers for storage is not supported yet.");
} else {
dci =
new DBConnectionInfo(
config.getStorage().getJdbcDriver(),
config.getStorage().getJdbcURL(),
config.getStorage().getJdbcUsername(),
config.getStorage().getJdbcPassword());
}
sm = storages.get(dci.hashCode());
if (sm == null) {
sm =
StorageManagerFactory.getInstance(
config.getStorage().getJdbcDriver(),
config.getStorage().getJdbcUsername(),
config.getStorage().getJdbcPassword(),
config.getStorage().getJdbcURL(),
DEFAULT_MAX_DB_CONNECTIONS);
storages.put(dci.hashCode(), sm);
storagesConfigs.put(config, sm);
}
}
// sb.append("storage: ").append(sm.toString()).append(" dci: ").append(dci).append(" code:
// ").append(dci == null ? null : dci.hashCode());
// if (logger.isDebugEnabled())
// logger.warn(sb.toString());
return sm;
}
public static BasicDataSource getDataSource(DBConnectionInfo dci) {
BasicDataSource ds = null;
try {
ds = (BasicDataSource) GSNContext.getMainContext().lookup(Integer.toString(dci.hashCode()));
if (ds == null) {
ds = new BasicDataSource();
ds.setDriverClassName(dci.getDriverClass());
ds.setUsername(dci.getUserName());
ds.setPassword(dci.getPassword());
ds.setUrl(dci.getUrl());
// ds.setDefaultTransactionIsolation(Connection.TRANSACTION_READ_UNCOMMITTED);
// ds.setAccessToUnderlyingConnectionAllowed(true);
GSNContext.getMainContext().bind(Integer.toString(dci.hashCode()), ds);
logger.warn("Created a DataSource to: " + ds.getUrl());
}
} catch (NamingException e) {
logger.error(e.getMessage(), e);
}
return ds;
}