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Editorial Team
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Editorial Team
Asked: May 14, 20262026-05-14T22:26:11+00:00 2026-05-14T22:26:11+00:00

How I can imitate transactions on objects. For example, I want to delete the

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How I can imitate transactions on objects. For example, I want to delete the item from one collection and then add the same item to other collection as an atomic action. It is possible to do a lot of checks when something failed and to roll back everything but this is annoying.
Is there any technique (no difference what language (Java/C++/C#)) to achive this.

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  1. Editorial Team
    Editorial Team
    2026-05-14T22:26:11+00:00Added an answer on May 14, 2026 at 10:26 pm

    For small, simple objects, you can use a copy-modify-swap idiom. Copy the original object. Make the changes. If all the changes succeeded, swap the copy with the original. (In C++, swap is typically efficient and no-fail.) The destructor will then clean up the original, instead of the copy.

    In your case, you’d copy both collections. Remove the object from the first, add it to the second, and then swap the original collections with the copies.

    However, this may not be practical if you have large or hard-to-copy objects. In those cases, you generally have to do more work manually.

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