Parameters: portletEntity - PortletEntity for which to build the PreferenceSet for. throws: BackingStoreException - if an error is encountered while accessing the Preferencesbacking store.
Parameters: portletEntity - PortletEntity for which to build the PreferenceSet for. Parameters: validatorFactory - Factory for providing access to a PreferencesValidator instance throws: BackingStoreException - if an error is encountered while accessing the Preferencesbacking store.