code: public void setDriver(final Driver driver) {
          final Driver old = this.driver;
  
          this.driver = driver;
          this.connectionConfig = System.currentTimeMillis();
          this.connectionValidated = false;
          
          this.pcs.firePropertyChange("driver", old, this.driver);
      }
docs: Sets JDBC |driver|.
  
  @param driver JDBC driver
  @see #getDriver