[OLINGO-1242] Property and referential constraint are missing when @ManyToOne(fetch = EAGER)

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: V2 2.0.10
• Component/s: odata2-jpa
• Labels: Schema SchemaGeneration metadata schema
• Environment: Java EE 7 (TomEE) Server, Java 8, EclipseLink 2.5.2
• Assignee: Unassigned
• Reporter: Nikolay Grechanov
• Created: 28/Feb/18 18:25
• Updated: 28/Feb/18 18:25

Description

In my JPA model I have the following property:

@ManyToOne(fetch = EAGER, optional = false)
@BatchFetch(JOIN)
@NotNull
@JoinColumn(name = "PARENT_ID", nullable = false)
@JsonProperty(PARENT_DETAILS)
@JsonSerialize(using = ODataDeferredSerializer.class)
private Parent parent;

$metadata contains Parent property as well as referential constraint for association:
 

...
<EntityType Name="Child">
 <Key>
  <PropertyRef Name="Id"/>
 </Key>
 <Property Name="Parent" Type="Edm.Int64" Nullable="false"/>
 <NavigationProperty Name="ParentDetails" Relationship="myProject.Child_Parent_Many_One0" FromRole="Child" ToRole="Parent"/>
</EntityType>
...
<Association Name="Child_Parent_Many_One0">   <End Type="myProject.Child" Multiplicity="*" Role="Child"/>  <End Type="myProject.Parent" Multiplicity="1" Role="Parent"/>  <ReferentialConstraint>
  <Principal Role="Parent">
   <PropertyRef Name="Id"/>
  </Principal>
  <Dependent Role="Child">
   <PropertyRef Name="Parent"/> 
  </Dependent> 
 </ReferentialConstraint> 
</Association> 
...

When I set 

@ManyToOne(fetch = LAZY, optional = false)

 

then $metadata contains neither Parent property nor referential constraint for the association:

...
<EntityType Name="Child">
 <Key>
  <PropertyRef Name="Id"/>
 </Key>
 <NavigationProperty Name="ParentDetails" Relationship="myProject.Child_Parent_Many_One0" FromRole="Child" ToRole="Parent"/>
</EntityType>
...
<Association Name="Child_Parent_Many_One0">   <End Type="myProject.Child" Multiplicity="*" Role="Child"/>  <End Type="myProject.Parent" Multiplicity="1" Role="Parent"/>
</Association> 
...

ManyToOne.optional, NonNull, JoinColumn.nullable annotation values have no effect