I wrote this to handle such stuff:
https://github.com/kof/do
Possibly I have to add a complete callback for the case one want to when it is
finished and than get the array of errors.
Normally you don't want go further when error is happened.
Am 25.02.2013 um 10:57 schrieb Glenn Block <glenn.bl...@gmail.com>:
> Hello all
>
> Let's assume you have an API that results in a batch of HTTP calls which fire
> async and which are not sequential. A constraint of the API is that any
> errors that occur during the calls need to get returned to the user.
>
> How have you customarily designed this?
>
> One idea was something like the following
>
> function send(message, callback) {
> }
>
> where callback is function(error, results) {
> }
>
> In this case error if not null is a JSON object with a collection of child
> objects with the errors.
>
> An alternative idea I had was to have an additional completion callback per
> item.
>
> so:
>
> function send(message, completionCallback, itemCallback) {
> }
>
> This introduces a callback for each item that is processed. In this case the
> completion callback has a single error if ANY errors occur while the
> itemCallback has individual errors as they occur.
>
> This is useful for cases where you might want to stop further processing if
> the number of errors is very high.
>
> Thoughts / Experiences?
> Glenn
>
>
>
>
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