[jira] [Created] (SLING-8191) API Region dependency analyzer should automatically check relevant region combinations

["David Bosschaert (JIRA)" <ji...@apache.org>]

David Bosschaert created SLING-8191:
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             Summary: API Region dependency analyzer should automatically check relevant region combinations
                 Key: SLING-8191
                 URL: https://issues.apache.org/jira/browse/SLING-8191
             Project: Sling
          Issue Type: Task
    Affects Versions: Feature Model Analyser 0.8.0
            Reporter: David Bosschaert
            Assignee: David Bosschaert


The API Region Dependency Analyzer currently needs to be configured with an 'exporting region' and a 'hiding region'.

I think this can be simplified because the {{api-regions}} section is ordered in the feature files.

I think the analyzer can just check that API regions defined earlier in the list don't have API dependencies on API regions later in the list. So for example if you have the following regions defined:

{code}   "api-regions:JSON|false":[
    {
      "name": "global",
      "exports": ["org.foo.bar"]
    }, {
      "name": "internal",
      "exports": ["org.foo.internal"]
    }]
{code}

Then the {{internal}} region inherits the packages from the {{global}} region. So API defined in the {{global}} region cannot use API from the {{internal}} region in its API signatures. But API in the {{internal}} region _can_ use API from the {{global}} region in its signatures. 

Also the analyzer needs to ensure that neither region specified in the {{api-regions}} section uses API that is internal to the feature, this is API that is exported from bundles in the feature, but that is not listed in an API Regions section at all.

 

 



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