/** get a connection */
public static Connection getConnection() throws Exception {
if (tranConnection.get() != null) {
return tranConnection.get();
} else {
return eds.getConnection();
}
}
@Override
protected void shutdownDb() throws SQLException {
// annoyingly, shutting down a derby instance involves catching an exception
// and checking error codes to make sure it shut down "normally"
try {
EmbeddedDataSource dataSource = new EmbeddedDataSource();
dataSource.setDatabaseName(dbDir.getAbsolutePath());
dataSource.setShutdownDatabase("shutdown");
dataSource.getConnection();
} catch (SQLException e) {
// make sure we get the correct error codes
if (e.getErrorCode() != 45000 || !"08006".equals(e.getSQLState())) {
throw e;
}
}
}
@Override
public void destroy() throws Exception {
logger.info("Attempting Derby database shut down on: " + dataSource);
if (!isShutdown && dataSource != null && dataSource instanceof EmbeddedDataSource) {
EmbeddedDataSource ds = (EmbeddedDataSource) dataSource;
try {
ds.setShutdownDatabase("shutdown");
ds.getConnection();
} catch (SQLException except) {
if (except.getSQLState().equals("08006")) {
// SQLState derby throws when shutting down the database
logger.info("Derby database is now shut down.");
isShutdown = true;
} else {
logger.error("Problem shutting down Derby " + except.getMessage());
}
}
}
}