public static HsqlBackend initializeHSQLBackend(long siteId, CatalogContext context) {
synchronized (backendLock) {
if (m_backend == null) {
try {
m_backend = new HsqlBackend(siteId);
final String binDDL = context.database.getSchema();
final String ddl = Encoder.decodeBase64AndDecompress(binDDL);
final String[] commands = ddl.split("\n");
for (String command : commands) {
String decoded_cmd = Encoder.hexDecodeToString(command);
decoded_cmd = decoded_cmd.trim();
if (decoded_cmd.length() == 0) {
continue;
}
m_backend.runDDL(decoded_cmd);
}
} catch (final Exception ex) {
hostLog.fatal("Unable to construct HSQL backend");
VoltDB.crashLocalVoltDB(ex.getMessage(), true, ex);
}
}
return m_backend;
}
}