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https://issues.apache.org/jira/browse/OAK-6304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16042472#comment-16042472
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angela commented on OAK-6304:
-----------------------------
[~tmueller], surprisingly the _oak.query.ast_ package is only used in
test-cases outside of _oak-core_. do you remember why it was exported in the
first place? Removing the export statement for _oak.query.ast_ moves the
warning to the index package, which already contains another warning wrt
_org.apache.jackrabbit.oak.plugins.index.progress_ :
{code}
[WARNING] Bundle org.apache.jackrabbit:oak-core:bundle:1.8-SNAPSHOT : Export
org.apache.jackrabbit.oak.query.index, has 1, private references
[org.apache.jackrabbit.oak.query.ast]
[WARNING] Bundle org.apache.jackrabbit:oak-core:bundle:1.8-SNAPSHOT : Export
org.apache.jackrabbit.oak.plugins.index, has 1, private references
[org.apache.jackrabbit.oak.plugins.index.progress]
{code}
> Cyclic dependency between oak.spi.query an oak.query.*
> ------------------------------------------------------
>
> Key: OAK-6304
> URL: https://issues.apache.org/jira/browse/OAK-6304
> Project: Jackrabbit Oak
> Issue Type: Task
> Components: core, indexing, query
> Reporter: angela
> Attachments: OAK-6304.patch, OAK-6304-test.patch
>
>
> while working on OAK-6069 i noticed that there exist IMO troublesome
> dependencies from _o.a.j.oak.spi.query_ back to _o.a.j.oak.query.*_. While i
> don't know the historical reasons that led to this setup it feels wrong to me
> that the interfaces and classes in _o.a.j.oak.spi.query_ would have
> dependencies to packages that from my understanding are supposed to contain
> implementations.
> while utilities like {{o.a.j.oak.spi.query.Cursors}} may simply have ended up
> in the wrong bucket and could possibly moved to e.g _o.a.j.query.index_, i
> couldn't find an easy solution for an interface like
> {{o.a.j.oak.spi.query.Filter}} that defines methods returning
> {{o.a.j.query.fulltext.FullTextExpression}} and
> {{o.a.j.query.QueryEngineSettings}}, while at the same time being tied to the
> {{o.a.j.oak.spi.query.QueryIndex}} interface.
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