java - Vaadin MySQL fetch -

I do not understand how to set up database results using the daydream. First I do:

  JDBCconnection pool pool = zero; {Pool = Try the new Simple JDBCConnectionPool (dbClass, dbUrl, "root", "toor"); } Hold (SQLException e) {e.printstaxtrace (); } FreeFormantic Query = New Freeformize (query_sus, pool, "id"); {Try SQLContainer Container = New SQLContainer (Query); } Hold (SQLException e) {e.printstaxtrace (); }   
 And now what should I do? ( query_s  is a simple query string, like SELECT * FROM users) I'm trying to use Freeformstatementdelegate, but I do not know how to use it. Is it the best choice for a code like above?  
  
 
 
 If you want to read only the database, you will get the  free format declaration  There is no need to use. 
  
 You can simply set them in the table:  
  table table = new table (); Table.setContainerDataSource (sqlContainer);   
 Or set the result in the list: 
  
  list & lt; String & gt; List = New Arrestist & lt; String & gt; (); (Object object: sqlContainer.getItemIds ()) {list.add (sqlContainer.getItem (ob) .getItemProperty (columnName) .getValue ()); }   
 But if you want to facilitate filtering, sorting, deletion and lazy loading, you should use the  FreeformStatementDelegate . 
  
 1) Create a custom class; 
 2) Implementation  FreeFormatament Deliget  interface and override methods; 
 3) Set  Free FormMicloidSetDeliget (new custom class);