data mapper pattern


up until i've controlling active annals c# database driven applications. nonetheless concentration requires attention formula being separate business objects. i have review lot posts per martin fowler's information mapping pattern, nonetheless trust settlement still unequivocally limited.



let's following example:



if i have 2 tables - fan customerparameters. customerparameters list contains default fan values formulating new customer.



i following have emanate customersmapper category hoop fan persistence. fan customerslist category following combine mapper category method insist fan data.



i have following questions:




  1. how i send tender information & fan category mapper but defilement certain business rules? dto's?


  2. is tolerable have saveall loadall slight mapper category updating loading churned customers' data? so, box saveall, mapper know transform insert data?


  3. will fan mapper category grateful retrieving default values customerparameters list well, improved emanate customerparameters mapper?




a o/r mapper apparatus unequivocally here. database i'm controlling transactional requires i possess mapper pattern.



any ideas comments severely appreciated.



Comments

Post a Comment

Popular posts from this blog

list macos calm editors formula editors

i searched found maudite's doubt text editors nonetheless windows. as have doubt guessed, i am perplexing out there any text/code editors mac besides i know of. i'll correct post consolidate editors listed. free textwrangler xcode mac vim aquamacs closer uncanny emacs jedit editra eclipse netbeans kod textmate2 - gpl brackets atom.io commercial textmate bbedit subethaedit coda sublime calm 2 smultron webstorm peppermint articles associated subject faceoff, best calm editor ever? maceditors.com, mac editors comforts compared thank everybody total suggestions.
Read more

how hibernate @any-related annotations?

could someone explain me any-related annotations ( @any , @anymetadef , @anymetadefs @manytoany ) work practice. i have tough awaiting any useful support (javadoc alone isn't unequivocally helpful) these. i have so distant collected somehow assent referencing summary extended classes. case, since there an @onetoany annotation? 'any' referring unparalleled 'any', churned 'any'? a short, receptive illustrating instance unequivocally many appreciated (doesn't have compile). edit: many i accept replies answers give credit where due, i found both smink's sakana's answers informative. since i can't accept several replies the answer , i unfortunately symbol conjunction answer.
Read more

why does floated <input> control floated component slip over too distant right ie7, nonetheless firefox?

Image
hopefully settlement value thousand lines formula since i don't wish have frame down asp.net code, html, javascript, css yield an instance (but i'll supply i on ask someone doesn't contend "oh, i've seen before! try this...") [actually, i post formula css - bottom question]. here apportionment form page being displayed firefox: the blue boxes surrogate stylings <label> add-on orange lines surrogate border styles <div> tags (so i where extend break). <label> 's styled float: left <div 's right. addition, heir controls <div> also float:left definitely line adult tip <div> (since there taller controls multiline textboxes down below). the radio buttons generated an asp control, wrapped <span> - also floated left given heir <div> . here same apportionment shade rendered ie7: there few teenager digest differences, nonetheless large that's pulling me crazy additional white space beside <input> con...
Read more