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https://issues.apache.org/jira/browse/OLINGO-837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15112449#comment-15112449
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Gyula Árpád Tóth commented on OLINGO-837:
-----------------------------------------
Hi [~mirbo],
I created a small test app with an example
https://github.com/tothgya/olingo-test
The JPA entity is here:
https://github.com/tothgya/olingo-test/blob/master/olingo-test/src/test/java/hu/tothgya/olingo/TestEntity.java
The junit test creates 3 entities in a hierarchy. t1<-t2<-t3. The navigational
property name is 'parent'. If you check the output of the test call, you will
see that the if I request t3 and expand parent and parent/parent
TestEntitys(2)/parent (t1) will not be expanded.
{code:xml}
<?xml version="1.0" encoding="UTF-8"?><entry
xmlns="http://www.w3.org/2005/Atom";
xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata";
xmlns:d="http://schemas.microsoft.com/ado/2007/08/dataservices";
xml:base="http://localhost:8180/svc/";>
<id>http://localhost:8180/svc/TestEntitys(3)</id>
<title type="text">TestEntitys</title>
<updated>2016-01-22T15:10:29.718+01:00</updated>
<category term="test.TestEntity"
scheme="http://schemas.microsoft.com/ado/2007/08/dataservices/scheme"/>
<link href="TestEntitys(3)" rel="edit" title="TestEntity"/>
<link href="TestEntitys(3)/children"
rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/children";
title="children" type="application/atom+xml;type=feed"/>
<link href="TestEntitys(3)/parent"
rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/parent";
title="parent" type="application/atom+xml;type=entry">
<m:inline>
<entry xml:base="http://localhost:8180/svc/";>
<id>http://localhost:8180/svc/TestEntitys(2)</id>
<title type="text">TestEntitys</title>
<updated>2016-01-22T15:10:29.719+01:00</updated>
<category term="test.TestEntity"
scheme="http://schemas.microsoft.com/ado/2007/08/dataservices/scheme"/>
<link href="TestEntitys(2)" rel="edit" title="TestEntity"/>
<link href="TestEntitys(2)/children"
rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/children";
title="children" type="application/atom+xml;type=feed"/>
<link href="TestEntitys(2)/parent"
rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/parent";
title="parent" type="application/atom+xml;type=entry">
<m:inline/>
</link>
<content type="application/xml">
<m:properties>
<d:data>t2</d:data>
<d:id>2</d:id>
</m:properties>
</content>
</entry>
</m:inline>
</link>
<content type="application/xml">
<m:properties>
<d:data>t3</d:data>
<d:id>3</d:id>
</m:properties>
</content>
</entry>
{code}
I am not familiar with easymock, so I did not make modifications to the
{{org.apache.olingo.odata2.jpa.processor.core.access.data.JPAExpandCallBackTest}}.
Thanks,
Gyula
> JPAExpandCallBack uses FromRole when validating a navigation property name
> --------------------------------------------------------------------------
>
> Key: OLINGO-837
> URL: https://issues.apache.org/jira/browse/OLINGO-837
> Project: Olingo
> Issue Type: Bug
> Components: odata2-jpa
> Affects Versions: V2 2.0.5
> Reporter: Gyula Árpád Tóth
> Assignee: Michael Bolz
> Priority: Minor
> Attachments: 0001-OLINGO-837-getNextNavigationProperty-fix.patch
>
>
> Navigation property name validations in JPAExpandCallBack will fail if the
> FromRole is numbered.
> I suggest to cut the numbering from the FromRole and do the compare without
> it.
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