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Editorial Team
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Asked: 2026-05-24T18:36:40+00:00

I’ve got a class that collects and processes some data during the execution of

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I’ve got a class that collects and processes some data during the execution of the program, let’s call it dataCollectionInterface. When the program terminates (or rather: a dataCollectionInterface object goes out of scope) some final processing and output of (some of) the collected data needs to be done.

The question now is: should I put this final processing and output (to files) into the destructor of dataCollectionInterface (or call it from within the destructor)? Or should I provide a public member routine (doFinalProcessing) that needs to be explicitly called by the main program?

Putting it into the destructor would be a lot more convenient (no need to worry about safeguards against data modulation after a call to doFinalProcessing etc.), but are there downsides, e.g. with respect to the handling of possible exceptions from the output operations?

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1 Answer

  1. Editorial Team

    You should not be throwing any exceptions from the destructor, So better to do it in a public function, rather than the destructor if your operations can throw exceptions and you need to do the exception handling for them.

    Though, If you can rather handle all your exceptions within the destrucotr itself without throwing them out from the destructor, then you might go for the first mechanism as well, I see no harm if you can reliably do so.

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