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Posted to dev@sling.apache.org by "Konrad Windszus (JIRA)" <ji...@apache.org> on 2018/12/17 14:00:00 UTC
[jira] [Comment Edited] (SLING-8182) Add documentation about
servlet resolution order
[ https://issues.apache.org/jira/browse/SLING-8182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16722939#comment-16722939 ]
Konrad Windszus edited comment on SLING-8182 at 12/17/18 1:59 PM:
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Basically each servlet (but not the script) is registered via its own {{ServletResourceProvider}}. The service.ranking is inherited from the underlying servlet service (compare with https://github.com/apache/sling-org-apache-sling-servlets-resolver/blob/e12a403c994f7899f4978a9b6e26a9a07f39e348/src/main/java/org/apache/sling/servlets/resolver/internal/resource/ServletMounter.java#L248). Each potential servlet is then looked up from the resource tree via the {{LocationIterator}}
was (Author: kwin):
Basically each servlet is registered via its own {{ServletResourceProvider}}. The service.ranking is inherited from the underlying servlet service (compare with https://github.com/apache/sling-org-apache-sling-servlets-resolver/blob/e12a403c994f7899f4978a9b6e26a9a07f39e348/src/main/java/org/apache/sling/servlets/resolver/internal/resource/ServletMounter.java#L248). Each potential servlet is then looked up from the resource tree via the {{LocationIterator}}
> Add documentation about servlet resolution order
> ------------------------------------------------
>
> Key: SLING-8182
> URL: https://issues.apache.org/jira/browse/SLING-8182
> Project: Sling
> Issue Type: Improvement
> Components: Documentation
> Reporter: Konrad Windszus
> Priority: Major
>
> The documentation at https://sling.apache.org/documentation/the-sling-engine/servlets.html#servlet-registration should include a paragraph about the order in which potential matching servlets/scripts are considered.
> Aspects to be covered:
> * Consideration of property {{service.ranking}}
> * Amount of matching selectors and extension
> * Location of the matching resource type in the inheritance tree
> * OptingServlet vs. regular servlet
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