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Posted to dev@olingo.apache.org by "Michael Bolz (JIRA)" <ji...@apache.org> on 2016/09/07 21:59:20 UTC
[jira] [Commented] (OLINGO-1020) Association Multiplicity cannot
set to 0..1 just 1
[ https://issues.apache.org/jira/browse/OLINGO-1020?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15471919#comment-15471919 ]
Michael Bolz commented on OLINGO-1020:
--------------------------------------
Hi [~ZoltanBeleznay],
Thanks for finding this issue and the good description.
[This commit|https://git1-us-west.apache.org/repos/asf?p=olingo-odata2.git;a=commit;h=8b40fff59763818af86a249828784927b8ff8cd2] should fix the problem.
Can you please test the solution and give feedback.
Best Regards, Michael
> Association Multiplicity cannot set to 0..1 just 1
> --------------------------------------------------
>
> Key: OLINGO-1020
> URL: https://issues.apache.org/jira/browse/OLINGO-1020
> Project: Olingo
> Issue Type: Bug
> Components: odata2-jpa
> Affects Versions: V2 2.0.7
> Reporter: Zoltan Beleznay
> Assignee: Michael Bolz
>
> Association Multiplicity cannot set to 0..1 just 1
> We created some navigation like the following (in the many side):
> @ManyToOne
> @PrimaryKeyJoinColumn(name = "SIDE_ONE_OBJECT_ID")
> private OneObject parentOneObject;
> and from the other side:
> @OneToMany(mappedBy = "parentOneObject")
> private List<ManyObject> manyObjects;
> but it creates the following part of the metadata:
> <Association Name="ManyObject_OneObject_One_Many0">
> <End Type="Service.ManyObject" Multiplicity="*" Role="ManyObject"/>
> <End Type="Service.OneObject" Multiplicity="1" Role="OneObject"/>
> </Association>
> We would like to see in the one side the 0..1 multiplicity, so we changed the annotations to the following:
> @ManyToOne(optional = true)
> @JoinColumn(name = "ACTION_PARENT_WORK_PACKAGE_ID", insertable = false, updatable = false, nullable = true)
> private OneObject parentOneObject;
> and from the other side:
> @OneToMany(mappedBy = "parentOneObject")
> private List<ManyObject> manyObjects;
> We expected the following result in metadata:
> <Association Name="ManyObject_OneObject_One_Many0">
> <End Type="Service.ManyObject" Multiplicity="*" Role="ManyObject"/>
> <End Type="Service.OneObject" Multiplicity="0..1" Role="OneObject"/>
> </Association>
> But it did not bring us the expected behaviour and the corresponding part of the metadata remained the same.
> The 0..1 is accesible via the EdmMultiplicity.ZERO_TO_ONE enum, and it is part of the OData documentation.
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