Hi Chris, are You using paramPrepareParams stack? It should work with it like You expect it to.
Best greetings, Paweł Wielgus. 2011/1/24 CRANFORD, CHRIS <chris.cranf...@setech.com>: > I recently implemented an action using the ModelDriven interface. Since > my Domain Object doesn't contain anything beyond properties that are > mapped to columns in the associated table; it made it easy to pass the > data between the DAO, Service, and View tiers. > > o Creation > > During creation, everything seemed to work very well. The prepare() > call instantiated a new domain object, the JSP properties passed were > set in the domain object and then the service set the remaining values > that it handles when a record gets initially created. > > o Read > > During the read operation, the domain object is simply passed by the > service back to the view, the JSP renders the record data; no problem. > > o Update > > This is where I initially noticed a problem with the ModelDriven > interface. When an update comes in, if the JSP submits a subset of the > values on the model, fields which are not set by the submit are set back > to null. Only fields which were in the POST from the form were > initialized. > > I would have expected my prepare() to query the database record during > the submission process, the interceptor would have only set the > submitted field values to their new values and left the existing fields > unchanged and consistent with the database; but it didn't. > > Is the only alternative to accept what the ModelDriven object gets set > with and then in my service's "update" method to pick and choose what > fields from the submitted model to change in my entity before I commit > it? > > o Delete > > No problems where. Simply the record id is submitted, the record > queried, and then the service executes a delete based on the ID value. > > > Any thoughts on my update issue? > Chris > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@struts.apache.org > For additional commands, e-mail: user-h...@struts.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@struts.apache.org For additional commands, e-mail: user-h...@struts.apache.org