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[CDO Hibernate] not-null property references a null or transient value [message #549684]

Tue, 27 July 2010 14:33

Friend

Messages: 44
Registered: March 2010

Member

Hi,
I am having problems when I try to commit a model.
When I manipulate it locally and as an EMF resource I don't have any problem so I presume it's valid.
However, when I try to commit it on my cdo server I have this error:

Quote:

[ERROR] not-null property referenceus a null or transient value: StringValue.vt_data
org.hibernate.PropertyValueException: not-null property references a null or transient value: StringValue.vt_data
at org.hibernate.engine.Nullability.checkNullability(Nullabilit y.java:95)
at org.hibernate.event.def.AbstractSaveEventListener.performSav eOrReplicate(AbstractSaveEventListener.java:313)
at org.hibernate.event.def.AbstractSaveEventListener.performSav e(AbstractSaveEventListener.java:204)
at org.hibernate.event.def.AbstractSaveEventListener.saveWithGe neratedId(AbstractSaveEventListener.java:130)

Here is the smallest model which reproduces the error:

<?xml version="1.0" encoding="ISO-8859-1"?>
<SpreadsheetMLSimplified:Workbook xmi:version="2.0"
    xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:SpreadsheetMLSimplified="http://SpreadsheetMLSimplified">
  <wb_worksheets name="Segments">
    <ws_table>
      <t_cols index="1" autoFitWidth="true" width="100.0"/>
      <t_rows index="1">
        <r_cells>
          <c_data>
            <value xsi:type="SpreadsheetMLSimplified:StringValue" value="Code"/>
          </c_data>
        </r_cells>
      </t_rows>
    </ws_table>
  </wb_worksheets>
</SpreadsheetMLSimplified:Workbook>

I can't provide you the metamodel because of the forum restrictions (no attachments).

What would be the cause of this exception ?
I'm using CDO check-out from cvs (R_3_0_GA branch) with hibernate 3.3.2

Regards,
Bastien.

[Updated on: Tue, 27 July 2010 14:40]

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Re: [CDO Hibernate] not-null property references a null or transient value [message #549750 is a reply to message #549684]

Tue, 27 July 2010 19:46

Martin Taal is currently offline

Friend

Messages: 5468
Registered: July 2009

Senior Member

Hi Bastien,
Apparently hibernate thinks that StringValue.vt_data is a mandatory feature and complaints that it is null.

Can you post the relevant part of your ecore model? And check the generated hibernate mapping if the mapped field is
indeed mandatory/required?

gr. Martin

On 07/27/2010 04:33 PM, Bastien wrote:
> Hi,
> I am having problems when I try to commit a model.
> When I manipulate it locally and as an EMF resource I don't have any
> problem so I presume it's valid.
> However, when I try to commit it on my cdo server I have this error:
>
> Quote:
>> [ERROR] not-null property referenceus a null or transient value:
>> StringValue.vt_data
>> org.hibernate.PropertyValueException: not-null property references a
>> null or transient value: StringValue.vt_data
>> at org.hibernate.engine.Nullability.checkNullability(Nullabilit
>> y.java:95)
>> at org.hibernate.event.def.AbstractSaveEventListener.performSav
>> eOrReplicate(AbstractSaveEventListener.java:313)
>> at org.hibernate.event.def.AbstractSaveEventListener.performSav
>> e(AbstractSaveEventListener.java:204)
>> at org.hibernate.event.def.AbstractSaveEventListener.saveWithGe
>> neratedId(AbstractSaveEventListener.java:130)
>
>
> What would be the cause of this exception ?
> I'm using CDO check-out from cvs (R_3_0_GA branch) with hibernate 3.3.2
>
> Regards,
> Bastien.

--

With Regards, Martin Taal

Springsite/Elver.org
Office: Hardwareweg 4, 3821 BV Amersfoort
Postal: Nassaulaan 7, 3941 EC Doorn
The Netherlands
Cell: +31 (0)6 288 48 943
Tel: +31 (0)84 420 2397
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Mail: mtaal@springsite.com - mtaal@elver.org
Web: www.springsite.com - www.elver.org

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Re: [CDO Hibernate] not-null property references a null or transient value [message #549813 is a reply to message #549684]

Wed, 28 July 2010 05:35

Eike Stepper is currently offline

Friend

Messages: 6683
Registered: July 2009

Senior Member

This is a multi-part message in MIME format.
--------------090604070506050001010105
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit

Hi Bastien,

"R_3_0_GA" is the *tag* of the 3.0 release version and it will never move. If you want to checkout from the maintenance *branch* please use "R3_0_maintenance".

Cheers
/Eike

Contact: http://www.esc-net.de Blogger <http://thegordian.blogspot.com>Twitter <http://twitter.com/eikestepper>Linkedin <http://de.linkedin.com/in/eikestepper>Xing <http://www.xing.com/profile/Eike_Stepper>
Article: What exactly is inside that p2 repository? < http://thegordian.blogspot.com/2010/05/what-exactly-is-insid e-that-p2.html>

I'm going to Eclipse Summit Europe 2010 <http://www.eclipsesummit.org/>

Am 27.07.2010 16:33, schrieb Bastien:
> Hi,
> I am having problems when I try to commit a model.
> When I manipulate it locally and as an EMF resource I don't have any problem so I presume it's valid.
> However, when I try to commit it on my cdo server I have this error:
>
> Quote:
>> [ERROR] not-null property referenceus a null or transient value: StringValue.vt_data
>> org.hibernate.PropertyValueException: not-null property references a null or transient value: StringValue.vt_data
>> at org.hibernate.engine.Nullability.checkNullability(Nullabilit y.java:95)
>> at org.hibernate.event.def.AbstractSaveEventListener.performSav eOrReplicate(AbstractSaveEventListener.java:313)
>> at org.hibernate.event.def.AbstractSaveEventListener.performSav e(AbstractSaveEventListener.java:204)
>> at org.hibernate.event.def.AbstractSaveEventListener.saveWithGe neratedId(AbstractSaveEventListener.java:130)
>
>
> What would be the cause of this exception ?
> I'm using CDO check-out from cvs (R_3_0_GA branch) with hibernate 3.3.2
>
> Regards,
> Bastien.

--------------090604070506050001010105
Content-Type: multipart/related;
boundary="------------080108030000070406030304"

--------------080108030000070406030304
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: 8bit

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
</head>
<body bgcolor="#ffffff" text="#000000">
Hi Bastien,<br>
<br>
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
"R_3_0_GA" is the *tag* of the 3.0 release version and it will never
move. If you want to checkout from the maintenance *branch* please
use "R3_0_maintenance".<br>
<br>
<span style="color: black;">
<div dir="ltr">
<div>Cheers<br>
/Eike<br>
<br>
</div>
<div style="padding: 5px 0pt; font-family: arial,sans-serif;
font-size: 13.3px;"><span style="color: gray;">Contact: <a
href="http://www.esc-net.de">http://www.esc-net.de</a></span>
<a href="http://thegordian.blogspot.com" style="padding: 0pt
2px; color: blue; font-size: 10pt;" _service=""><img
src="cid:part1.05000205.06060308@esc-net.de" alt="Blogger"
style="vertical-align: middle; padding-bottom: 5px;"
border="0" height="16" width="16"></a><a
href="http://twitter.com/eikestepper" style="padding: 0pt
2px; color: blue; font-size: 10pt;" _service=""><img
src="cid:part2.05030905.03000400@esc-net.de" alt="Twitter"
style="vertical-align: middle; padding-bottom: 5px;"
border="0" height="16" width="16"></a><a
href="http://de.linkedin.com/in/eikestepper" style="padding:
0pt 2px; color: blue; font-size: 10pt;" _service=""><img
src="cid:part3.07060906.07090805@esc-net.de"
alt="Linkedin" style="vertical-align: middle;
padding-bottom: 5px;" border="0" height="16" width="16"></a><a
href="http://www.xing.com/profile/Eike_Stepper"
style="padding: 0pt 2px; color: blue; font-size: 10pt;"
_service=""><img
src="cid:part4.02070907.07040108@esc-net.de" alt="Xing"
style="vertical-align: middle; padding-bottom: 5px;"
border="0" height="16" width="16"></a></div>
<div style="color: gray; font-size: 13.3px; padding-bottom:
5px;">Article: <span style="color: blue; text-decoration:
underline;"><a
href=" http://thegordian.blogspot.com/2010/05/what-exactly-is-insid e-that-p2.html"
undefined="">What exactly is inside that p2 repository?</a></span></div>
<div><br>
<a href="http://www.eclipsesummit.org/"><img
src="cid:part5.03030505.00000809@esc-net.de" alt="I'm
going to Eclipse Summit Europe 2010" border="0"
height="100" width="130"></a>
<br>
<br>
</div>
</div>
</span><br>
<br>
Am 27.07.2010 16:33, schrieb Bastien:
<blockquote cite="mid:i2mqo0$4fl$1@build.eclipse.org" type="cite">Hi,
<br>
I am having problems when I try to commit a model.
<br>
When I manipulate it locally and as an EMF resource I don't have
any problem so I presume it's valid.
<br>
However, when I try to commit it on my cdo server I have this
error:
<br>
<br>
Quote:
<br>
<blockquote type="cite">[ERROR] not-null property referenceus a
null or transient value: StringValue.vt_data
<br>
org.hibernate.PropertyValueException: not-null property
references a null or transient value: StringValue.vt_data
<br>
    at
org.hibernate.engine.Nullability.checkNullability(Nullabilit
y.java:95)
<br>
    at
org.hibernate.event.def.AbstractSaveEventListener.performSav
eOrReplicate(AbstractSaveEventListener.java:313)
<br>
    at
org.hibernate.event.def.AbstractSaveEventListener.performSav
e(AbstractSaveEventListener.java:204)
<br>
    at
org.hibernate.event.def.AbstractSaveEventListener.saveWithGe
neratedId(AbstractSaveEventListener.java:130)
<br>
</blockquote>
<br>
<br>
What would be the cause of this exception ?
<br>
I'm using CDO check-out from cvs (R_3_0_GA branch) with hibernate
3.3.2
<br>
<br>
Regards,
<br>
Bastien.
<br>
</blockquote>
</body>
</html>

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Bn7gCH7gEQCd7h0EADs=
--------------080108030000070406030304--

--------------090604070506050001010105--

Cheers
/Eike

----
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http://thegordian.blogspot.com
http://twitter.com/eikestepper

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Re: [CDO Hibernate] not-null property references a null or transient value [message #549844 is a reply to message #549750]

Wed, 28 July 2010 08:26

Friend

Messages: 44
Registered: March 2010

Member

Hi Martin and Eike,
thanks for your reply, here are the relevant part of my metamodel and generated mapping. I still have the problem even after I changed to "R3_0_maintenance" branch , following Eike's advice.

Regards,
Bastien.

 <eClassifiers xsi:type="ecore:EClass" name="ValueType" abstract="true"
    <eStructuralFeatures xsi:type="ecore:EReference" name="vt_data" ordered="false"
        lowerBound="1" eType="#//Data" eOpposite="#//Data/value"/>
  </eClassifiers>
  <eClassifiers xsi:type="ecore:EClass" name="StringValue" eSuperTypes="#//ValueType">
    <eStructuralFeatures xsi:type="ecore:EAttribute" name="value" ordered="false"
        lowerBound="1" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
  </eClassifiers>
<eClassifiers xsi:type="ecore:EClass" name="Data">
    <eStructuralFeatures xsi:type="ecore:EReference" name="d_cell" ordered="false"
        lowerBound="1" eType="#//Cell" eOpposite="#//Cell/c_data"/>
    <eStructuralFeatures xsi:type="ecore:EReference" name="value" ordered="false"
        lowerBound="1" eType="#//ValueType" containment="true" eOpposite="#//ValueType/vt_data"/>
  </eClassifiers>

	<class entity-name="ValueType" abstract="true" lazy="true" table="`valuetype`">
		<meta attribute="eclassName">ValueType</meta>
		<meta attribute="epackage">http://SpreadsheetMLSimplified</meta>
		<tuplizer entity-mode="pojo" class="org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDORevisionTuplizer"/>
		<tuplizer entity-mode="dynamic-map" class="org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDORevisionTuplizer"/>
		<id type="long" name="idcol" column="idcol" access="org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDOSyntheticIdPropertyHandler">
			<meta attribute="syntheticId">true</meta>
			<generator class="native"/>
		</id>
		<property name="resourceID" type="org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDOIDUserType">
			<column name="resource_id"/>
		</property>
		<property name="containerID" type="string">
			<column name="container_id"/>
		</property>
		<property name="version" type="java.lang.Integer">
			<meta attribute="version">true</meta>
			<column name="version"/>
		</property>
		<one-to-one name="vt_data" entity-name="Data" cascade="merge,persist,save-update,lock" lazy="false" property-ref="value" constrained="true"/>
	</class>
	<joined-subclass entity-name="StringValue" abstract="false" lazy="true" extends="ValueType" table="`stringvalue`">
		<meta attribute="eclassName">StringValue</meta>
		<meta attribute="epackage">http://SpreadsheetMLSimplified</meta>
		<tuplizer entity-mode="pojo" class="org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDORevisionTuplizer"/>
		<tuplizer entity-mode="dynamic-map" class="org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDORevisionTuplizer"/>
		<key>
			<column name="`valuetype_e_id`"/>
		</key>
		<property name="value" lazy="false" insert="true" update="true" not-null="true" unique="false" type="java.lang.String">
			<column not-null="true" unique="false" name="`value`"/>
		</property>
	</joined-subclass>
	<class entity-name="Data" abstract="false" lazy="true" table="`data`">
		<meta attribute="eclassName">Data</meta>
		<meta attribute="epackage">http://SpreadsheetMLSimplified</meta>
		<tuplizer entity-mode="pojo" class="org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDORevisionTuplizer"/>
		<tuplizer entity-mode="dynamic-map" class="org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDORevisionTuplizer"/>
		<id type="long" name="idcol" column="idcol" access="org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDOSyntheticIdPropertyHandler">
			<meta attribute="syntheticId">true</meta>
			<generator class="native"/>
		</id>
		<property name="resourceID" type="org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDOIDUserType">
			<column name="resource_id"/>
		</property>
		<property name="containerID" type="string">
			<column name="container_id"/>
		</property>
		<property name="version" type="java.lang.Integer">
			<meta attribute="version">true</meta>
			<column name="version"/>
		</property>
		<one-to-one name="d_cell" entity-name="Cell" cascade="merge,persist,save-update,lock" lazy="false" property-ref="c_data" constrained="true"/>
		<many-to-one name="value" entity-name="ValueType" cascade="all" not-null="true" lazy="false" insert="true" update="true" unique="true"/>
	</class>

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Re: [CDO Hibernate] not-null property references a null or transient value [message #549879 is a reply to message #549844]

Wed, 28 July 2010 10:01

Eike Stepper is currently offline

Friend

Messages: 6683
Registered: July 2009

Senior Member

Am 28.07.2010 10:26, schrieb Bastien:
> Hi Martin and Eike,
> thanks for your reply, here are the relevant part of my metamodel and generated mapping. I still have the problem even after I changed to "R3_0_maintenance" branch , following Eike's advice.
Well, 3.0 maintenance has just begun and there are just a handful of fixes between 3.0GA and R3_0_maintenance. It was more a general hint ;-)

Cheers
/Eike

>
> Regards,
> Bastien.
>
> <eClassifiers xsi:type="ecore:EClass" name="ValueType" abstract="true"
> <eStructuralFeatures xsi:type="ecore:EReference" name="vt_data" ordered="false"
> lowerBound="1" eType="#//Data" eOpposite="#//Data/value"/>
> </eClassifiers>
> <eClassifiers xsi:type="ecore:EClass" name="StringValue" eSuperTypes="#//ValueType">
> <eStructuralFeatures xsi:type="ecore:EAttribute" name="value" ordered="false"
> lowerBound="1" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
> </eClassifiers>
> <eClassifiers xsi:type="ecore:EClass" name="Data">
> <eStructuralFeatures xsi:type="ecore:EReference" name="d_cell" ordered="false"
> lowerBound="1" eType="#//Cell" eOpposite="#//Cell/c_data"/>
> <eStructuralFeatures xsi:type="ecore:EReference" name="value" ordered="false"
> lowerBound="1" eType="#//ValueType" containment="true" eOpposite="#//ValueType/vt_data"/>
> </eClassifiers>
>
>
>
> <class entity-name="ValueType" abstract="true" lazy="true" table="`valuetype`">
> <meta attribute="eclassName">ValueType</meta>
> <meta attribute="epackage">http://SpreadsheetMLSimplified</meta>
> <tuplizer entity-mode="pojo" class=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDORe visionTuplizer "/>
> <tuplizer entity-mode="dynamic-map" class=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDORe visionTuplizer "/>
> <id type="long" name="idcol" column="idcol" access=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDOSy ntheticIdPropertyHandler ">
> <meta attribute="syntheticId">true</meta>
> <generator class="native"/>
> </id>
> <property name="resourceID" type=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDOID UserType ">
> <column name="resource_id"/>
> </property>
> <property name="containerID" type="string">
> <column name="container_id"/>
> </property>
> <property name="version" type="java.lang.Integer">
> <meta attribute="version">true</meta>
> <column name="version"/>
> </property>
> <one-to-one name="vt_data" entity-name="Data" cascade="merge,persist,save-update,lock" lazy="false" property-ref="value" constrained="true"/>
> </class>
> <joined-subclass entity-name="StringValue" abstract="false" lazy="true" extends="ValueType" table="`stringvalue`">
> <meta attribute="eclassName">StringValue</meta>
> <meta attribute="epackage">http://SpreadsheetMLSimplified</meta>
> <tuplizer entity-mode="pojo" class=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDORe visionTuplizer "/>
> <tuplizer entity-mode="dynamic-map" class=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDORe visionTuplizer "/>
> <key>
> <column name="`valuetype_e_id`"/>
> </key>
> <property name="value" lazy="false" insert="true" update="true" not-null="true" unique="false" type="java.lang.String">
> <column not-null="true" unique="false" name="`value`"/>
> </property>
> </joined-subclass>
> <class entity-name="Data" abstract="false" lazy="true" table="`data`">
> <meta attribute="eclassName">Data</meta>
> <meta attribute="epackage">http://SpreadsheetMLSimplified</meta>
> <tuplizer entity-mode="pojo" class=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDORe visionTuplizer "/>
> <tuplizer entity-mode="dynamic-map" class=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDORe visionTuplizer "/>
> <id type="long" name="idcol" column="idcol" access=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDOSy ntheticIdPropertyHandler ">
> <meta attribute="syntheticId">true</meta>
> <generator class="native"/>
> </id>
> <property name="resourceID" type=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDOID UserType ">
> <column name="resource_id"/>
> </property>
> <property name="containerID" type="string">
> <column name="container_id"/>
> </property>
> <property name="version" type="java.lang.Integer">
> <meta attribute="version">true</meta>
> <column name="version"/>
> </property>
> <one-to-one name="d_cell" entity-name="Cell" cascade="merge,persist,save-update,lock" lazy="false" property-ref="c_data" constrained="true"/>
> <many-to-one name="value" entity-name="ValueType" cascade="all" not-null="true" lazy="false" insert="true" update="true" unique="true"/>
> </class>
>
>

Cheers
/Eike

----
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http://thegordian.blogspot.com
http://twitter.com/eikestepper

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Re: [CDO Hibernate] not-null property references a null or transient value [message #549885 is a reply to message #549844]

Wed, 28 July 2010 10:40

Martin Taal is currently offline

Friend

Messages: 5468
Registered: July 2009

Senior Member

Hi Bastien,
The vt_data is mapped as a one-to-one which makes it a mandatory field for hibernate I guess. This is caused by the
lowerBound="1" and the opposite is set.

To confirm, in your case the vt_data is null? So Hibernate sees the null value, or is it not null and does Hibernate see
a wrong value?

gr. Martin

On 07/28/2010 10:26 AM, Bastien wrote:
> Hi Martin and Eike,
> thanks for your reply, here are the relevant part of my metamodel and
> generated mapping. I still have the problem even after I changed to
> "R3_0_maintenance" branch , following Eike's advice.
>
> Regards,
> Bastien.
>
> <eClassifiers xsi:type="ecore:EClass" name="ValueType" abstract="true"
> <eStructuralFeatures xsi:type="ecore:EReference" name="vt_data"
> ordered="false"
> lowerBound="1" eType="#//Data" eOpposite="#//Data/value"/>
> </eClassifiers>
> <eClassifiers xsi:type="ecore:EClass" name="StringValue"
> eSuperTypes="#//ValueType">
> <eStructuralFeatures xsi:type="ecore:EAttribute" name="value"
> ordered="false"
> lowerBound="1" eType="ecore:EDataType
> http://www.eclipse.org/emf/2002/Ecore#//EString"/>
> </eClassifiers>
> <eClassifiers xsi:type="ecore:EClass" name="Data">
> <eStructuralFeatures xsi:type="ecore:EReference" name="d_cell"
> ordered="false"
> lowerBound="1" eType="#//Cell" eOpposite="#//Cell/c_data"/>
> <eStructuralFeatures xsi:type="ecore:EReference" name="value"
> ordered="false"
> lowerBound="1" eType="#//ValueType" containment="true"
> eOpposite="#//ValueType/vt_data"/>
> </eClassifiers>
>
>
>
> <class entity-name="ValueType" abstract="true" lazy="true"
> table="`valuetype`">
> <meta attribute="eclassName">ValueType</meta>
> <meta attribute="epackage">http://SpreadsheetMLSimplified</meta>
> <tuplizer entity-mode="pojo"
> class=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDORe visionTuplizer "/>
>
> <tuplizer entity-mode="dynamic-map"
> class=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDORe visionTuplizer "/>
>
> <id type="long" name="idcol" column="idcol"
> access=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDOSy ntheticIdPropertyHandler ">
>
> <meta attribute="syntheticId">true</meta>
> <generator class="native"/>
> </id>
> <property name="resourceID"
> type=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDOID UserType ">
>
> <column name="resource_id"/>
> </property>
> <property name="containerID" type="string">
> <column name="container_id"/>
> </property>
> <property name="version" type="java.lang.Integer">
> <meta attribute="version">true</meta>
> <column name="version"/>
> </property>
> <one-to-one name="vt_data" entity-name="Data"
> cascade="merge,persist,save-update,lock" lazy="false"
> property-ref="value" constrained="true"/>
> </class>
> <joined-subclass entity-name="StringValue" abstract="false" lazy="true"
> extends="ValueType" table="`stringvalue`">
> <meta attribute="eclassName">StringValue</meta>
> <meta attribute="epackage">http://SpreadsheetMLSimplified</meta>
> <tuplizer entity-mode="pojo"
> class=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDORe visionTuplizer "/>
>
> <tuplizer entity-mode="dynamic-map"
> class=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDORe visionTuplizer "/>
>
> <key>
> <column name="`valuetype_e_id`"/>
> </key>
> <property name="value" lazy="false" insert="true" update="true"
> not-null="true" unique="false" type="java.lang.String">
> <column not-null="true" unique="false" name="`value`"/>
> </property>
> </joined-subclass>
> <class entity-name="Data" abstract="false" lazy="true" table="`data`">
> <meta attribute="eclassName">Data</meta>
> <meta attribute="epackage">http://SpreadsheetMLSimplified</meta>
> <tuplizer entity-mode="pojo"
> class=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDORe visionTuplizer "/>
>
> <tuplizer entity-mode="dynamic-map"
> class=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDORe visionTuplizer "/>
>
> <id type="long" name="idcol" column="idcol"
> access=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDOSy ntheticIdPropertyHandler ">
>
> <meta attribute="syntheticId">true</meta>
> <generator class="native"/>
> </id>
> <property name="resourceID"
> type=" org.eclipse.emf.cdo.server.internal.hibernate.tuplizer.CDOID UserType ">
>
> <column name="resource_id"/>
> </property>
> <property name="containerID" type="string">
> <column name="container_id"/>
> </property>
> <property name="version" type="java.lang.Integer">
> <meta attribute="version">true</meta>
> <column name="version"/>
> </property>
> <one-to-one name="d_cell" entity-name="Cell"
> cascade="merge,persist,save-update,lock" lazy="false"
> property-ref="c_data" constrained="true"/>
> <many-to-one name="value" entity-name="ValueType" cascade="all"
> not-null="true" lazy="false" insert="true" update="true" unique="true"/>
> </class>
>
>

--

With Regards, Martin Taal

Springsite/Elver.org
Office: Hardwareweg 4, 3821 BV Amersfoort
Postal: Nassaulaan 7, 3941 EC Doorn
The Netherlands
Cell: +31 (0)6 288 48 943
Tel: +31 (0)84 420 2397
Fax: +31 (0)84 225 9307
Mail: mtaal@springsite.com - mtaal@elver.org
Web: www.springsite.com - www.elver.org

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Re: [CDO Hibernate] not-null property references a null or transient value [message #550009 is a reply to message #549885]

Wed, 28 July 2010 17:33

Hans Meier is currently offline

Friend

Messages: 8
Registered: July 2009

Junior Member

Hi,

I am having the exact same issue. I step debugged the code and Hibernate does receive a null value. Since I am using Teneo 1.1.2 without CDO I guess the problem is not releated to CDO but Teneo only. When setting the lowerbound in the ECore Model of the bidirectional reference to 0 Hibernate does allow saving. But now the model itself is wrong.

Regards,
Hans

[Updated on: Wed, 28 July 2010 17:34]

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Re: [CDO Hibernate] not-null property references a null or transient value [message #550011 is a reply to message #550009]

Wed, 28 July 2010 17:51

Hans Meier is currently offline

Friend

Messages: 8
Registered: July 2009

Junior Member

Here is an example ecore model:

<?xml version="1.0" encoding="UTF-8"?>
<ecore:EPackage xmi:version="2.0"
    xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="demo"
    nsURI="http://demo" nsPrefix="demo">
  <eClassifiers xsi:type="ecore:EClass" name="Animal">
    <eStructuralFeatures xsi:type="ecore:EReference" name="head" lowerBound="1" eType="#//Head"
        containment="true" eOpposite="#//Head/animal"/>
  </eClassifiers>
  <eClassifiers xsi:type="ecore:EClass" name="Head">
    <eStructuralFeatures xsi:type="ecore:EReference" name="animal" lowerBound="1"
        eType="#//Animal" eOpposite="#//Animal/head"/>
  </eClassifiers>
</ecore:EPackage>

I generated the java classes and then just try to instantiate and save the objects:

//...configure Teneo etc....
Session session = sessionFactory.openSession();
session.beginTransaction();
Animal a = DemoFactory.eINSTANCE.createAnimal();
Head h = DemoFactory.eINSTANCE.createHead();
a.setHead(h);
assert a.getHead() != null && h.getAnimal() != null;
session.save(a);
session.getTransaction().commit();
session.close();

This results in:

org.hibernate.PropertyValueException: not-null property references a null or transient value: Head.animal
	at org.hibernate.engine.Nullability.checkNullability(Nullability.java:101)
	at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:313)
	at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:204)
	at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:130)
	at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:210)
	at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:195)
	at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:117)
	at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
	at org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl.java:677)
	at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:669)
	at org.hibernate.engine.CascadingAction$5.cascade(CascadingAction.java:252)
	at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:392)
	at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:335)
	at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:204)
	at org.hibernate.engine.Cascade.cascade(Cascade.java:161)
	at org.hibernate.event.def.AbstractSaveEventListener.cascadeBeforeSave(AbstractSaveEventListener.java:451)
	at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:288)
	at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:204)
	at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:130)
	at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:210)
	at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:56)
	at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:195)
	at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:50)
	at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
	at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:705)
	at org.hibernate.impl.SessionImpl.save(SessionImpl.java:693)
	at org.hibernate.impl.SessionImpl.save(SessionImpl.java:689)
	at test.DemoTest.testTeneo(DemoTest.java:38)

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Re: [CDO Hibernate] not-null property references a null or transient value [message #550109 is a reply to message #550011]

Thu, 29 July 2010 07:41

Friend

Messages: 44
Registered: March 2010

Member

Hi Hans,
I solved my problem by removing the vt_data eOpposite reference

<eStructuralFeatures xsi:type="ecore:EReference" name="vt_data" ordered="false"
lowerBound="1" eType="#//Data" eOpposite="#//Data/value"/>

because its eOpposite reference is a containment one:

<eStructuralFeatures xsi:type="ecore:EReference" name="value" ordered="false"
lowerBound="1" eType="#//ValueType" containment="true" eOpposite="#//ValueType/vt_data"/>

the first one doesn't bring any information to my model. I am pretty sure of that because after removing this eOpposite reference, the model I used is still conform to the "eOpposite less" metamodel.

Regards,
Bastien.

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Re: [CDO Hibernate] not-null property references a null or transient value [message #550132 is a reply to message #550011]

Thu, 29 July 2010 08:59

Martin Taal is currently offline

Friend

Messages: 5468
Registered: July 2009

Senior Member

Hi Hans,
Thanks for adding your experience to the thread also!

If the lowerbound is 1 then according to EMF the efeature is required. That's why the hibernate mapping has a not-null
constraint. Btw, you can override this by using an annotation appropriate for the efeature (for example @Basic or
@ManyToOne).

Then to your issue Hans. This is related to a bi-directional association where Hibernate will probably try to do first
an insert of both Head and Animal (with their referencing efeatures set to null) and then an update to set the
association between the two. This is the only way for Hibernate to store that info (it first needs to save the records
on both sides before it can create the association), so a bi-directional non-many association can not be mandatory (for
hibernate).
You can enter a feature request for this btw, as Teneo could detect this automatically and make the association
non-mandatory (on both or one side) for hibernate.

gr. Martin

On 07/28/2010 07:51 PM, Hans Meier wrote:
> Here is an example ecore model:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <ecore:EPackage xmi:version="2.0"
> xmlns:xmi="http://www.omg.org/XMI"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="demo"
> nsURI="http://demo" nsPrefix="demo">
> <eClassifiers xsi:type="ecore:EClass" name="Animal">
> <eStructuralFeatures xsi:type="ecore:EReference" name="head"
> lowerBound="1" eType="#//Head"
> containment="true" eOpposite="#//Head/animal"/>
> </eClassifiers>
> <eClassifiers xsi:type="ecore:EClass" name="Head">
> <eStructuralFeatures xsi:type="ecore:EReference" name="animal"
> lowerBound="1"
> eType="#//Animal" eOpposite="#//Animal/head"/>
> </eClassifiers>
> </ecore:EPackage>
>
>
> I generated the java classes and then just try to instantiate and save
> the objects:
>
>
> //...configure Teneo etc....
> Session session = sessionFactory.openSession();
> session.beginTransaction();
> Animal a = DemoFactory.eINSTANCE.createAnimal();
> Head h = DemoFactory.eINSTANCE.createHead();
> a.setHead(h);
> assert a.getHead() != null && h.getAnimal() != null;
> session.save(a);
> session.getTransaction().commit();
> session.close();
>
>
> This results in:
>
> org.hibernate.PropertyValueException: not-null property references a
> null or transient value: Head.animal
> at org.hibernate.engine.Nullability.checkNullability(Nullabilit y.java:101)
> at
> org.hibernate.event.def.AbstractSaveEventListener.performSav eOrReplicate(AbstractSaveEventListener.java:313)
>
> at
> org.hibernate.event.def.AbstractSaveEventListener.performSav e(AbstractSaveEventListener.java:204)
>
> at
> org.hibernate.event.def.AbstractSaveEventListener.saveWithGe neratedId(AbstractSaveEventListener.java:130)
>
> at
> org.hibernate.event.def.DefaultSaveOrUpdateEventListener.sav eWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener .java:210)
>
> at
> org.hibernate.event.def.DefaultSaveOrUpdateEventListener.ent ityIsTransient(DefaultSaveOrUpdateEventListener.java:195)
>
> at
> org.hibernate.event.def.DefaultSaveOrUpdateEventListener.per formSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:117)
>
> at
> org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onS aveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
>
> at org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl. java:677)
> at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java :669)
> at org.hibernate.engine.CascadingAction$5.cascade(CascadingActi on.java:252)
> at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:392)
> at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java :335)
> at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:20 4)
> at org.hibernate.engine.Cascade.cascade(Cascade.java:161)
> at
> org.hibernate.event.def.AbstractSaveEventListener.cascadeBef oreSave(AbstractSaveEventListener.java:451)
>
> at
> org.hibernate.event.def.AbstractSaveEventListener.performSav eOrReplicate(AbstractSaveEventListener.java:288)
>
> at
> org.hibernate.event.def.AbstractSaveEventListener.performSav e(AbstractSaveEventListener.java:204)
>
> at
> org.hibernate.event.def.AbstractSaveEventListener.saveWithGe neratedId(AbstractSaveEventListener.java:130)
>
> at
> org.hibernate.event.def.DefaultSaveOrUpdateEventListener.sav eWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener .java:210)
>
> at
> org.hibernate.event.def.DefaultSaveEventListener.saveWithGen eratedOrRequestedId(DefaultSaveEventListener.java:56)
>
> at
> org.hibernate.event.def.DefaultSaveOrUpdateEventListener.ent ityIsTransient(DefaultSaveOrUpdateEventListener.java:195)
>
> at
> org.hibernate.event.def.DefaultSaveEventListener.performSave OrUpdate(DefaultSaveEventListener.java:50)
>
> at
> org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onS aveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
>
> at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:705 )
> at org.hibernate.impl.SessionImpl.save(SessionImpl.java:693)
> at org.hibernate.impl.SessionImpl.save(SessionImpl.java:689)
> at test.DemoTest.testTeneo(DemoTest.java:38)
>

--

With Regards, Martin Taal

Springsite/Elver.org
Office: Hardwareweg 4, 3821 BV Amersfoort
Postal: Nassaulaan 7, 3941 EC Doorn
The Netherlands
Cell: +31 (0)6 288 48 943
Tel: +31 (0)84 420 2397
Fax: +31 (0)84 225 9307
Mail: mtaal@springsite.com - mtaal@elver.org
Web: www.springsite.com - www.elver.org

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Re: [CDO Hibernate] not-null property references a null or transient value [message #550133 is a reply to message #550109]

Thu, 29 July 2010 09:00

Hans Meier is currently offline

Friend

Messages: 8
Registered: July 2009

Junior Member

Hi Bastien,

the problem with your workaround is, if I change the model from:

<?xml version="1.0" encoding="UTF-8"?>
<ecore:EPackage xmi:version="2.0"
    xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="demo"
    nsURI="http://demo" nsPrefix="demo">
  <eClassifiers xsi:type="ecore:EClass" name="Animal">
    <eStructuralFeatures xsi:type="ecore:EReference" name="head" lowerBound="1" eType="#//Head"
        containment="true" eOpposite="#//Head/animal"/>
  </eClassifiers>
  <eClassifiers xsi:type="ecore:EClass" name="Head">
    <eStructuralFeatures xsi:type="ecore:EReference" name="animal" lowerBound="1"
        eType="#//Animal" eOpposite="#//Animal/head"/>
  </eClassifiers>
</ecore:EPackage>

to

<?xml version="1.0" encoding="UTF-8"?>
<ecore:EPackage xmi:version="2.0"
    xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="demo"
    nsURI="http://demo" nsPrefix="demo">
  <eClassifiers xsi:type="ecore:EClass" name="Animal">
    <eStructuralFeatures xsi:type="ecore:EReference" name="head" lowerBound="1" eType="#//Head"
        containment="true"/>
  </eClassifiers>
  <eClassifiers xsi:type="ecore:EClass" name="Head"/>
</ecore:EPackage>

the generated interface "Head" misses the typed container getter getAnimal() and
I have to use the untyped eContainer() method of the Head implementation class.

Since XMI serialization also works without the workaround I still think it's a bug in Teneo, but I'd like to hear Martin's opinion on this.

Regards,
Hans

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Re: [CDO Hibernate] not-null property references a null or transient value [message #550136 is a reply to message #550133]

Thu, 29 July 2010 09:18

Martin Taal is currently offline

Friend

Messages: 5468
Registered: July 2009

Senior Member

Hi Hans,
See my reply one minute before yours!

gr. Martin

On 07/29/2010 11:00 AM, Hans Meier wrote:
> Hi Bastien,
>
> the problem with your workaround is, if I change the model from:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <ecore:EPackage xmi:version="2.0"
> xmlns:xmi="http://www.omg.org/XMI"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="demo"
> nsURI="http://demo" nsPrefix="demo">
> <eClassifiers xsi:type="ecore:EClass" name="Animal">
> <eStructuralFeatures xsi:type="ecore:EReference" name="head"
> lowerBound="1" eType="#//Head"
> containment="true" eOpposite="#//Head/animal"/>
> </eClassifiers>
> <eClassifiers xsi:type="ecore:EClass" name="Head">
> <eStructuralFeatures xsi:type="ecore:EReference" name="animal"
> lowerBound="1"
> eType="#//Animal" eOpposite="#//Animal/head"/>
> </eClassifiers>
> </ecore:EPackage>
>
> to
>
> <?xml version="1.0" encoding="UTF-8"?>
> <ecore:EPackage xmi:version="2.0"
> xmlns:xmi="http://www.omg.org/XMI"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="demo"
> nsURI="http://demo" nsPrefix="demo">
> <eClassifiers xsi:type="ecore:EClass" name="Animal">
> <eStructuralFeatures xsi:type="ecore:EReference" name="head"
> lowerBound="1" eType="#//Head"
> containment="true"/>
> </eClassifiers>
> <eClassifiers xsi:type="ecore:EClass" name="Head"/>
> </ecore:EPackage>
>
> the generated interface "Head" misses the typed container getter
> getAnimal() and I have to use the untyped eContainer() method of the
> Head implementation class.
>
> Since XMI serialization also works without the workaround I still think
> it's a bug in Teneo, but I'd like to hear Martin's opinion on this.
>
> Regards,
> Hans

--

With Regards, Martin Taal

Springsite/Elver.org
Office: Hardwareweg 4, 3821 BV Amersfoort
Postal: Nassaulaan 7, 3941 EC Doorn
The Netherlands
Cell: +31 (0)6 288 48 943
Tel: +31 (0)84 420 2397
Fax: +31 (0)84 225 9307
Mail: mtaal@springsite.com - mtaal@elver.org
Web: www.springsite.com - www.elver.org

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Re: [CDO Hibernate] not-null property references a null or transient value [message #550140 is a reply to message #550132]

Thu, 29 July 2010 09:29

Hans Meier is currently offline

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Messages: 8
Registered: July 2009

Junior Member

Hi Martin,

thanks for your response. I just filed bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=321197

Regards,
Hans

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Re: [CDO Hibernate] not-null property references a null or transient value [message #550309 is a reply to message #550132]

Thu, 29 July 2010 20:58

Hans Meier is currently offline

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Messages: 8
Registered: July 2009

Junior Member

I solved the problem temporarly by patching the org.eclipse.emf.teneo.hibernate.mapper.OneToOneMapper class and changing:

if (addConstrained) associationElement.addAttribute("constrained", "true");

to

if (addConstrained && !eref.isContainment()) associationElement.addAttribute("constrained", "true");

and registering a custom SaveOrUpdateEvent listener with Hibernate, that validates EObject incl. the mandatory 1-1 reference.

	public static final class MyValidator implements SaveOrUpdateEventListener
	{
		public void onSaveOrUpdate(SaveOrUpdateEvent event) throws HibernateException
		{
			Object obj = event.getObject();
			if (obj instanceof EObject)
			{
				EObject eObject = (EObject) obj;
				Diagnostic diag = Diagnostician.INSTANCE.validate(eObject);
				if (diag.getSeverity() == Diagnostic.ERROR) throw new InvalidModelException(diag);
			}
		}
	}

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Re: [CDO Hibernate] not-null property references a null or transient value [message #550327 is a reply to message #550309]

Thu, 29 July 2010 22:32

Martin Taal is currently offline

Friend

Messages: 5468
Registered: July 2009

Senior Member

Hi Hans,
Instead of patching the OneToOneMapper you can also replace it using the Teneo extension mechanism with your own
implementation of the OneToOneMapper. See here for more info:
http://wiki.eclipse.org/Teneo/Hibernate/Extensions

gr. Martin

On 07/29/2010 10:58 PM, Hans Meier wrote:
> I solved the problem temporarly by patching the
> org.eclipse.emf.teneo.hibernate.mapper.OneToOneMapper class and changing:
>
> if (addConstrained) associationElement.addAttribute("constrained", "true");
>
> to
>
> if (addConstrained && !eref.isContainment())
> associationElement.addAttribute("constrained", "true");
>
>
> and registering a custom SaveOrUpdateEvent listener with Hibernate, that
> validates EObject incl. the mandatory 1-1 reference.
>
>
> public static final class MyValidator implements SaveOrUpdateEventListener
> {
> public void onSaveOrUpdate(SaveOrUpdateEvent event) throws
> HibernateException
> {
> Object obj = event.getObject();
> if (obj instanceof EObject)
> {
> EObject eObject = (EObject) obj;
> Diagnostic diag = Diagnostician.INSTANCE.validate(eObject);
> if (diag.getSeverity() == Diagnostic.ERROR) throw new
> InvalidModelException(diag);
> }
> }
> }
>

--

With Regards, Martin Taal

Springsite/Elver.org
Office: Hardwareweg 4, 3821 BV Amersfoort
Postal: Nassaulaan 7, 3941 EC Doorn
The Netherlands
Cell: +31 (0)6 288 48 943
Tel: +31 (0)84 420 2397
Fax: +31 (0)84 225 9307
Mail: mtaal@springsite.com - mtaal@elver.org
Web: www.springsite.com - www.elver.org

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Re: [CDO Hibernate] not-null property references a null or transient value [message #550386 is a reply to message #550327]

Fri, 30 July 2010 08:32

Hans Meier is currently offline

Friend

Messages: 8
Registered: July 2009

Junior Member

Hi Martin,

that is very cool and solves the problem with the signed jars Smile

Smile

I now did:

dataStore.getExtensionManager().registerExtension(org.eclipse.emf.teneo.hibernate.mapper.OneToOneMapper.class.getName(), ImprovedOneToOneMapper.class.getName());

Regards,

Hans

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