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Olingo 2 OData JPA Дълбоко вмъкване в JSON - json, jpa, odata, olingo

с коли-СПА-архетип например, мога да извърша дълбоко вмъкване (Carи Driver) в XML, но не и JSON. С моя JSON 1 или 2 в по-долу, само Car е вмъкнат и Шофьорът е null. Всеки може да хвърли светлина върху моите JSON входове? Нямам проблем с входа на JSON, ако използвам пояснения на Olingo (@EdmEntityType и т.н.).

<?xml version="1.0" encoding="utf-8"?>
<entry xmlns="http://www.w3.org/2005/Atom" xmlns:d="
http://schemas.microsoft.com/ado/2007/08/dataservices" xmlns:m="
http://schemas.microsoft.com/ado/2007/08/dataservices/metadata" xml:base="
http://localhost:8080/example/MyFormula.svc/">
<category term="MyFormula.Car" scheme="
http://schemas.microsoft.com/ado/2007/08/dataservices/scheme" />
<link href="Cars(Id=553,IdL=554L)" rel="edit" title="Car" />
<link href="Cars(Id=553,IdL=554L)/DriverDetails" rel="
http://schemas.microsoft.com/ado/2007/08/dataservices/related/DriverDetails"
title="DriverDetails" type="application/atom+xml;type=entry">
<m:inline>
<entry xml:base="http://localhost:8080/example/MyFormula.svc/">
<category term="MyFormula.Driver" scheme="
http://schemas.microsoft.com/ado/2007/08/dataservices/scheme" />
<link href="Drivers(10L)" rel="edit" title="Driver" />
<link href="Drivers(10L)/CarDetails" rel="
http://schemas.microsoft.com/ado/2007/08/dataservices/related/CarDetails"
title="CarDetails" type="application/atom+xml;type=entry" />
<content type="application/xml">
<m:properties>
<d:Birthday>2014-12-05T14:35:11.141</d:Birthday>
<d:Id>10</d:Id>
<d:Lastname>Super</d:Lastname>
<d:Name>Speeder</d:Name>
<d:Nickname>TN</d:Nickname>
</m:properties>
</content>
</entry>
</m:inline>
</link>
<content type="application/xml">
<m:properties>
<d:Id>553</d:Id>
<d:IdL>554</d:IdL>
<d:Model>M1</d:Model>
<d:ModelYear>2014</d:ModelYear>
<d:Price>20000.0</d:Price>
<d:Updated>2014-03-20T14:35:17.075</d:Updated>
</m:properties>
</content>
</entry>

// JSON 1

{
"Id":677,
"IdL":"678",
"Model":"M1",
"ModelYear":2014,
"Price":"20000.0",
"Updated":"/Date(1395326117075)/",
"DriverDetails":{
"Birthday":"/Date(1417790111141)/",
"Id":"3",
"Lastname":"Super",
"Name":"Speeder",
"Nickname":"YZ",
"CarDetails": {
"__deferred": {
"uri": "
http://localhost:8080/example/MyFormula.svc/Drivers(3)/CarDetails"
}
}
}
}

// JSON 2

{
"d": {
"__metadata": {
"type": "MyFormula.Car"
},
"Id": 601,
"IdL": "602",
"Model": "M1",
"ModelYear": 2014,
"Price": "20000.0",
"Updated": "/Date(1395244800000)/",
"DriverDetails": {
"__metadata": {
"id": "http://localhost:8080/example/MyFormula.svc/Drivers(11L)",
"uri": "http://localhost:8080/example/MyFormula.svc/Drivers(11L)",
"type": "MyFormula.Driver"
},
"Birthday": "/Date(1417795200000)/",
"Id": "11",
"Lastname": "Super",
"Name": "Speeder",
"Nickname": "Bolt",
"CarDetails": {
"__deferred": {
"uri": "
http://localhost:8080/example/MyFormula.svc/Drivers(11L)/CarDetails"
}
}
}
}
}

Съжалявам за кръстосаното публикуване тук тъй като няма отговор от форума на Olingo.