Transaction Rollback and Object State

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  • Aamir Mahmood
    #1

    Transaction Rollback and Object State

    Hi

    I am using System.Transact ions.Transactio nScope to implement the
    transactions in my code.

    When the transaction is rolled back because of any reason, I want all the
    objects that were modified in the transaction scope to be in their initial
    (pre-transaction) state.

    Is there something already available in .net? Or some standard approach I
    should follow.

    Please advise.

    Thanks

    -AM-


    Tags: None
    • raylopez99
      #2
      Re: Transaction Rollback and Object State

      From memory, I thought this was built into the database engines. You
      just switch on a parameter...you might want to ask in a database
      group.

      Aamir Mahmood wrote:
      Hi
      >
      I am using System.Transact ions.Transactio nScope to implement the
      transactions in my code.
      >
      When the transaction is rolled back because of any reason, I want all the
      objects that were modified in the transaction scope to be in their initial
      (pre-transaction) state.
      >
      Is there something already available in .net? Or some standard approach I
      should follow.
      >
      Please advise.
      >
      Thanks
      >
      -AM-

        Comment

        • Aamir Mahmood
          #3
          Re: Transaction Rollback and Object State

          May be i did not make my point completely clear.
          By 'objects modified during the scope of transaction' i meant, the .net
          objects. The object instances of my own classes.

          Anyway, I am going to raise this post in another group.

          Thanks for your reply.

          -AM-

          "raylopez99 " <raylopez99@yah oo.comwrote in message
          news:001e9f5d-1590-4ffa-b2b2-4d0f16e1d444@a1 7g2000prm.googl egroups.com...
          From memory, I thought this was built into the database engines. You
          just switch on a parameter...you might want to ask in a database
          group.
          >
          Aamir Mahmood wrote:
          >Hi
          >>
          >I am using System.Transact ions.Transactio nScope to implement the
          >transactions in my code.
          >>
          >When the transaction is rolled back because of any reason, I want all the
          >objects that were modified in the transaction scope to be in their
          >initial
          >(pre-transaction) state.
          >>
          >Is there something already available in .net? Or some standard approach
          >I
          >should follow.
          >>
          >Please advise.
          >>
          >Thanks
          >>
          >-AM-

            Comment

            • raylopez99
              #4
              Re: Transaction Rollback and Object State

              On Nov 5, 10:48 am, "Aamir Mahmood" <aamirmahm...@g mail.comwrote:
              May be i did not make my point completely clear.
              By 'objects modified during the scope of transaction' i meant, the .net
              objects.  The object instances of my own classes.
              >
              Anyway, I am going to raise this post in another group.
              >
              Thanks for your reply.
              >
              -AM-
              >
              "raylopez99 " <raylope...@yah oo.comwrote in message
              >
              news:001e9f5d-1590-4ffa-b2b2-4d0f16e1d444@a1 7g2000prm.googl egroups.com...
              >
              From memory, I thought this was built into the database engines.  You
              just switch on a parameter...you might want to ask in a database
              group.
              >
              Aamir Mahmood wrote:
              Hi

              Good luck. You might want to look into the so-called "memento" design
              object. Once I had to do a "snapshot" of a state of my objects in C#,
              and I used a book by Judith Bishop which is a take off of the Gang of
              Four famous book on design patterns for C#, to do a so-called memento
              design pattern which allowed me to take snapshots of my objects
              state. Worked fine for me, but it's hard to explain by email. Better
              to have Bishop's book before you. C# does not allow "read only"
              objects so it's a bit trickier than for other languages, but you can
              figure it out easily enough if you study it.

              RL

                Comment

                • G.S.
                  #5
                  Re: Transaction Rollback and Object State

                  On Nov 6, 1:46 pm, raylopez99 <raylope...@yah oo.comwrote:
                  On Nov 5, 10:48 am, "Aamir Mahmood" <aamirmahm...@g mail.comwrote:
                  >
                  >
                  >
                  >
                  >
                  May be i did not make my point completely clear.
                  By 'objects modified during the scope of transaction' i meant, the .net
                  objects.  The object instances of my own classes.
                  >
                  Anyway, I am going to raise this post in another group.
                  >
                  Thanks for your reply.
                  >
                  -AM-
                  >
                  "raylopez99 " <raylope...@yah oo.comwrote in message
                  >
                  news:001e9f5d-1590-4ffa-b2b2-4d0f16e1d444@a1 7g2000prm.googl egroups.com....
                  >
                  From memory, I thought this was built into the database engines.  You
                  just switch on a parameter...you might want to ask in a database
                  group.
                  >
                  Aamir Mahmood wrote:
                  >Hi
                  >
                  Good luck.  You might want to look into the so-called "memento" design
                  object.  Once I had to do a "snapshot" of a state of my objects in C#,
                  and I used a book by Judith Bishop which is a take off of the Gang of
                  Four famous book on design patterns for C#, to do a so-called memento
                  design pattern which allowed me to take snapshots of my objects
                  state.  Worked fine for me, but it's hard to explain by email.  Better
                  to have Bishop's book before you.  C# does not allow "read only"
                  objects so it's a bit trickier than for other languages, but you can
                  figure it out easily enough if you study it.
                  >
                  RL- Hide quoted text -
                  >
                  - Show quoted text -
                  Rockford Lhotka's CSLA framework gives you a good foundation taht you
                  can at least use as a frame of refference if you decide to implement
                  this yourself.

                    Comment

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