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Wrapper class

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  • P peterchen

    A taco class? Wouldn't "adapter class" be the same?


    Developers, Developers, Developers, Developers, Developers, Developers, Velopers, Develprs, Developers!
    We are a big screwed up dysfunctional psychotic happy family - some more screwed up, others more happy, but everybody's psychotic joint venture definition of CP
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    Shog9 0
    wrote on last edited by
    #10

    Wrapper Class, n.     See Adapter Class. Adapter Class, n.     See Facade Class. Facade Class, n.     See Wrapper Class...

    ----

    It appears that everybody is under the impression that I approve of the documentation. You probably also blame Ken Burns for supporting slavery.

    --Raymond Chen on MSDN

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    • G Garth Watkins

      What would your definition of a wrapper class be.

      Cheers Garth Some days it's not even worth chewing through the restraints

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      code frog 0
      wrote on last edited by
      #11

      Something similar to what my definition of a Taco Shell would be. You don't really need to know about what's inside it from the shell you can tell it's a taco. Just know that it's going to be amazing and the flavor will be unreal. At least for the taco's at our house.


      My name is Maximus Decimus Meridius, Commander of the Armies of the North, General of the Felix Legions, loyal servant to the true emperor, Marcus Aurelius. Father to a murdered process, husband to a murdered thread. And I will have my affinity, in this life or the next. - Gladiator. (Okay, not quite Gladiator but close.) I work to live. I do not live to work. My clients do not seem capable of grasping this fact.

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      • S Shog9 0

        A class that does little or no real work itself, instead passing requests off onto one or more other classes / APIs.

        ----

        It appears that everybody is under the impression that I approve of the documentation. You probably also blame Ken Burns for supporting slavery.

        --Raymond Chen on MSDN

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        Leslie Sanford
        wrote on last edited by
        #12

        Shog9 wrote:

        A class that does little or no real work itself, instead passing requests off onto one or more other classes / APIs.

        Yeah, that's a good definition. I tend to think of wrapper classes as providing a higher level of abstraction to the outside world so that the underlying API that they're "wrapping" is easier to use.

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        • L Leslie Sanford

          Shog9 wrote:

          A class that does little or no real work itself, instead passing requests off onto one or more other classes / APIs.

          Yeah, that's a good definition. I tend to think of wrapper classes as providing a higher level of abstraction to the outside world so that the underlying API that they're "wrapping" is easier to use.

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          Shog9 0
          wrote on last edited by
          #13

          Leslie Sanford wrote:

          I tend to think of wrapper classes as providing a higher level of abstraction to the outside world so that the underlying API that they're "wrapping" is easier to use.

          Well, it is nice when it works out that way... ;)

          ----

          It appears that everybody is under the impression that I approve of the documentation. You probably also blame Ken Burns for supporting slavery.

          --Raymond Chen on MSDN

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          • C code frog 0

            Something similar to what my definition of a Taco Shell would be. You don't really need to know about what's inside it from the shell you can tell it's a taco. Just know that it's going to be amazing and the flavor will be unreal. At least for the taco's at our house.


            My name is Maximus Decimus Meridius, Commander of the Armies of the North, General of the Felix Legions, loyal servant to the true emperor, Marcus Aurelius. Father to a murdered process, husband to a murdered thread. And I will have my affinity, in this life or the next. - Gladiator. (Okay, not quite Gladiator but close.) I work to live. I do not live to work. My clients do not seem capable of grasping this fact.

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            Andy Brummer
            wrote on last edited by
            #14

            Heh, good thing this is the lounge.


            I can imagine the sinking feeling one would have after ordering my book, only to find a laughably ridiculous theory with demented logic once the book arrives - Mark McCutcheon

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            • G Garth Watkins

              What would your definition of a wrapper class be.

              Cheers Garth Some days it's not even worth chewing through the restraints

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              Nish Nishant
              wrote on last edited by
              #15

              Garth Watkins wrote:

              What would your definition of a wrapper class be.

              I'd say that a wrapper class presents a proxy to some other class or API that may be at a lower level of abstraction or may be from a different framework. But then I've always sucked at defining things clearly :)

              Regards, Nish


              Nish’s thoughts on MFC, C++/CLI and .NET (my blog)
              C++/CLI in Action (*E-Book is out, Print version April 6th*)

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              • A Andy Brummer

                Heh, good thing this is the lounge.


                I can imagine the sinking feeling one would have after ordering my book, only to find a laughably ridiculous theory with demented logic once the book arrives - Mark McCutcheon

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                code frog 0
                wrote on last edited by
                #16

                :omg:


                My name is Maximus Decimus Meridius, Commander of the Armies of the North, General of the Felix Legions, loyal servant to the true emperor, Marcus Aurelius. Father to a murdered process, husband to a murdered thread. And I will have my affinity, in this life or the next. - Gladiator. (Okay, not quite Gladiator but close.) I work to live. I do not live to work. My clients do not seem capable of grasping this fact.

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                • G Garth Watkins

                  I dont know.. I'm asking you. Or maybe your sense of humour has eluded me.

                  Cheers Garth Some days it's not even worth chewing through the restraints

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                  peterchen
                  wrote on last edited by
                  #17

                  the second part was meant seriously. In my eyes, there's no difference between "wraapper" and "adapter" class, though use differs a little bit. Basically, a wrapper class puts a different interface around an implementation. This could be an OO Wrapper for a procedural file API (like MFC's CFile), or a class implementing the IStream on top of CFile. The first is almost always called "wrapper" class, for the second, "adapter" is more common.


                  Developers, Developers, Developers, Developers, Developers, Developers, Velopers, Develprs, Developers!
                  We are a big screwed up dysfunctional psychotic happy family - some more screwed up, others more happy, but everybody's psychotic joint venture definition of CP
                  Linkify!|Fold With Us!

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                  • G Garth Watkins

                    What would your definition of a wrapper class be.

                    Cheers Garth Some days it's not even worth chewing through the restraints

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                    Marc Clifton
                    wrote on last edited by
                    #18

                    Garth Watkins wrote:

                    What would your definition of a wrapper class be.

                    Putting together a few of the responses--most classes are like taco filling. Lettuce, meat, cheese, and at all doesn't hold together very well. A wrapper class, like a taco shell, doesn't do much itself, it just makes it easy to hold together all the rest of the stuff. ;P Marc

                    Thyme In The Country
                    Interacx

                    People are just notoriously impossible. --DavidCrow
                    There's NO excuse for not commenting your code. -- John Simmons / outlaw programmer
                    People who say that they will refactor their code later to make it "good" don't understand refactoring, nor the art and craft of programming. -- Josh Smith

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                    • G Garth Watkins

                      What would your definition of a wrapper class be.

                      Cheers Garth Some days it's not even worth chewing through the restraints

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                      R Offline
                      Roger Wright
                      wrote on last edited by
                      #19

                      I'd have to describe a wrapper class as a module that hides something ugly and useless - like MFC Comms, TAPI, and MAPI - behind a friendly, usable facade, like cModem, cPBX or cPostOffice. A wrapper probably should not only make something usable, but also shield a non-expert user from self-inflicted wounds arising from misunderstood or undocumented functions while trying to use the useless. Either that, or it's a taco of some kind. Or maybe a course at McDonalds U on neatly packaging toxic waste 'to go'.

                      "A Journey of a Thousand Rest Stops Begins with a Single Movement"

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                      • C code frog 0

                        :omg:


                        My name is Maximus Decimus Meridius, Commander of the Armies of the North, General of the Felix Legions, loyal servant to the true emperor, Marcus Aurelius. Father to a murdered process, husband to a murdered thread. And I will have my affinity, in this life or the next. - Gladiator. (Okay, not quite Gladiator but close.) I work to live. I do not live to work. My clients do not seem capable of grasping this fact.

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                        Shog9 0
                        wrote on last edited by
                        #20

                        Heh, good edit. ;)

                        ----

                        It appears that everybody is under the impression that I approve of the documentation. You probably also blame Ken Burns for supporting slavery.

                        --Raymond Chen on MSDN

                        C 1 Reply Last reply
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                        • M Marc Clifton

                          Garth Watkins wrote:

                          What would your definition of a wrapper class be.

                          Putting together a few of the responses--most classes are like taco filling. Lettuce, meat, cheese, and at all doesn't hold together very well. A wrapper class, like a taco shell, doesn't do much itself, it just makes it easy to hold together all the rest of the stuff. ;P Marc

                          Thyme In The Country
                          Interacx

                          People are just notoriously impossible. --DavidCrow
                          There's NO excuse for not commenting your code. -- John Simmons / outlaw programmer
                          People who say that they will refactor their code later to make it "good" don't understand refactoring, nor the art and craft of programming. -- Josh Smith

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                          Shog9 0
                          wrote on last edited by
                          #21

                          I am getting really hungry. And i'm out of taco shells. :sigh: Taco salad it is... :rolleyes:

                          ----

                          It appears that everybody is under the impression that I approve of the documentation. You probably also blame Ken Burns for supporting slavery.

                          --Raymond Chen on MSDN

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                          0
                          • S Shog9 0

                            Heh, good edit. ;)

                            ----

                            It appears that everybody is under the impression that I approve of the documentation. You probably also blame Ken Burns for supporting slavery.

                            --Raymond Chen on MSDN

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                            C Offline
                            code frog 0
                            wrote on last edited by
                            #22

                            How can you tell I changed it? I didn't know you had moderator powers??? :vegemite::-D


                            My name is Maximus Decimus Meridius, Commander of the Armies of the North, General of the Felix Legions, loyal servant to the true emperor, Marcus Aurelius. Father to a murdered process, husband to a murdered thread. And I will have my affinity, in this life or the next. - Gladiator. (Okay, not quite Gladiator but close.) I work to live. I do not live to work. My clients do not seem capable of grasping this fact.

                            S 1 Reply Last reply
                            0
                            • C code frog 0

                              How can you tell I changed it? I didn't know you had moderator powers??? :vegemite::-D


                              My name is Maximus Decimus Meridius, Commander of the Armies of the North, General of the Felix Legions, loyal servant to the true emperor, Marcus Aurelius. Father to a murdered process, husband to a murdered thread. And I will have my affinity, in this life or the next. - Gladiator. (Okay, not quite Gladiator but close.) I work to live. I do not live to work. My clients do not seem capable of grasping this fact.

                              S Offline
                              S Offline
                              Shog9 0
                              wrote on last edited by
                              #23

                              Amazing the useless things my memory chooses to hold onto sometimes, eh? :rolleyes:

                              ----

                              It appears that everybody is under the impression that I approve of the documentation. You probably also blame Ken Burns for supporting slavery.

                              --Raymond Chen on MSDN

                              1 Reply Last reply
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                              • G Garth Watkins

                                What would your definition of a wrapper class be.

                                Cheers Garth Some days it's not even worth chewing through the restraints

                                M Offline
                                M Offline
                                Member 96
                                wrote on last edited by
                                #24

                                What Grandmaster Flash and the Furious Five are teaching now?

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                                • G Garth Watkins

                                  What would your definition of a wrapper class be.

                                  Cheers Garth Some days it's not even worth chewing through the restraints

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                                  V Offline
                                  Vivi Chellappa
                                  wrote on last edited by
                                  #25

                                  You know, the cellophane thingie they wrap things in. Also, Saran Wrap. :-D

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                                  • G Garth Watkins

                                    What would your definition of a wrapper class be.

                                    Cheers Garth Some days it's not even worth chewing through the restraints

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                                    B Offline
                                    Brady Kelly
                                    wrote on last edited by
                                    #26

                                    Jiffy(TM)

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                                    • L Leslie Sanford

                                      Shog9 wrote:

                                      A class that does little or no real work itself, instead passing requests off onto one or more other classes / APIs.

                                      Yeah, that's a good definition. I tend to think of wrapper classes as providing a higher level of abstraction to the outside world so that the underlying API that they're "wrapping" is easier to use.

                                      B Offline
                                      B Offline
                                      Brady Kelly
                                      wrote on last edited by
                                      #27

                                      An implementation of the Façade pattern.

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                                      • G Garth Watkins

                                        I don't think so. I'm not asking how to accomplish a certain programming task. It's actually a second opinion I'm looking for. A friend of mine asked me my defintion of a wrapper class was. I gave her my opinion, and offered to post the a question on codeproject to see what you guys/gals come up with.

                                        Cheers Garth Some days it's not even worth chewing through the restraints

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                                        J Offline
                                        JimmyRopes
                                        wrote on last edited by
                                        #28

                                        Hmmm...I wonder what they discuss on the Mathematics and Algorithms[^] forum? :rolleyes:

                                        Simply Elegant Designs JimmyRopes Designs
                                        Think inside the box! ProActive Secure Systems
                                        I'm on-line therefore I am. JimmyRopes

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