code: public void setUrl(final String url) {
          final String old = this.url;
  
          this.url = url;
          this.connectionConfig = System.currentTimeMillis();
          this.connectionValidated = false;
  
          this.pcs.firePropertyChange("url", old, this.url);
      }
docs: Sets JDBC |url|.
  
  @param url JDBC URL
  @see #getUrl