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https://issues.apache.org/jira/browse/CXF-5430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13895727#comment-13895727
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Andriy Redko commented on CXF-5430:
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Hi Sergey,
Spent some time playing with Olingo 0.1.0 / OData 4.0. Couple of things to say
for sure: the
http://olingo.incubator.apache.org/doc/tutorials/Olingo_Tutorial_AdvancedRead_FilterVisitor.html
is definitely *NOT* for this API but for current stable 1.0.0 release (Olingo
1.0.0 / OData 2.0). Although Olingo 0.1.0 / OData 4.0 has a similar concept
(the ExpressionVisitor interface) it's differs and API is very raw.
With respect OData 2.0 $filter expression, here is a link:
http://www.odata.org/documentation/odata-v2-documentation/uri-conventions/#45_Filter_System_Query_Option_filter
and this is what we can get out of current stable Olingo (API is quite similar
to ones from OData 3.0 / 4.0).
What do you think?
Thanks.
Andriy
> Support for OData query language
> --------------------------------
>
> Key: CXF-5430
> URL: https://issues.apache.org/jira/browse/CXF-5430
> Project: CXF
> Issue Type: New Feature
> Components: JAX-RS
> Reporter: Sergey Beryozkin
> Assignee: Andriy Redko
>
> Apache Olingo project (http://olingo.incubator.apache.org/) provides
> implementation for OData (http://odata.org/).
> This task is about adapting OLingo URI Parser to CXF Search API.
> org.apache.cxf.jaxrs.ext.search.SearchConditionParser implementation will use
> Olingo parser. The existing CXF Search visitors will be expected to work with
> both FIQL and OData parsers.
> We may hit some limitations in the existing CXF Search API because OData is
> more sophisticated language than FIQL.
> At the moment I don't think it is realistic to support OData completely
> within CXF Search API constraints. Most likely we will just settle for
> supporting the subset of OData queries, with users being recommended to work
> directly with Olingo to get a complete support. Alternatively we can try and
> enhance the search API if it proves feasible.
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