code: @Override
  	public void init() {
  		// create db schema if needed
  		Connection connection = null;
  		try {
  			connection = jdbcRA.getConnection();
  			
  			connection.createStatement().execute(
  					DataSourceSchemaInfo._QUERY_DROP);
  			
  			connection.createStatement().execute(
  					DataSourceSchemaInfo._QUERY_CREATE);
  		} catch (SQLException e) {
  			tracer.warning("failed to create db schema", e);
  		} finally {
  			try {
  				connection.close();
  			} catch (SQLException e) {
  				tracer.severe("failed to close db connection", e);
  			}
  		}
  	}
docs: local interface