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Asked: 2026-05-19T22:02:24+00:00

I am looking into a number of ways to implement a labelling system similar

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I am looking into a number of ways to implement a labelling system similar to the one in Gmail. Basically I have a Resource at the lowest level and I would like to provide a number of organisational groupings for that resource in the form of labels. If anyone has implemented something like that I would like to hear your views. My idea is to have within the Resource instance a List<Label>. I need to have an efficient mechanism in order to do very fast searches based on the labels or based on the resources.

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Dimitris

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  1. Editorial Team

    Nope, I wouldn’t do that. I’d think about maintaining two dictionaries, Label -> HashSet<Resource> and Resource -> HashSet<Label>. This will give you fast lookup in both directions. Obviously you should encapsulate this.

    Also, whatever you do, you shouldn’t embed it in your Resource. It’s a resource, and it’s maintaining its labels? No. Single responsibility and all that.

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