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Thu, 14 April 2016 08:45

Eclipse User

Hi,

for my project I need to generate my ecore and genmodel from an XSD file,

The generation is working fine and I can create my diagram without any problem but when I relaod my eclipse (close it and reopen it) I have a "Failed to create the part's controls" error

I tried a bit everything and the only way to get rid of that error is to define a targetNamespace in the XSD which is not something possible in my case.

So I was wondering : Can Sirius work with an XSD-based model ?

Here is for example an XSD Schema that is not working :

<?xml version="1.0" encoding="UTF-8" ?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" >
<xs:element name="shiporder">
  <xs:complexType>
    <xs:sequence>
      <xs:element name="orderperson" type="xs:string"/>
      <xs:element name="shipto">
        <xs:complexType>
          <xs:sequence>
            <xs:element name="name" type="xs:string"/>
            <xs:element name="address" type="xs:string"/>
            <xs:element name="city" type="xs:string"/>
            <xs:element name="country" type="xs:string"/>
          </xs:sequence>
        </xs:complexType>
      </xs:element>
      <xs:element name="item" maxOccurs="unbounded">
        <xs:complexType>
          <xs:sequence>
            <xs:element name="title" type="xs:string"/>
            <xs:element name="note" type="xs:string" minOccurs="0"/>
            <xs:element name="quantity" type="xs:positiveInteger"/>
            <xs:element name="price" type="xs:decimal"/>
          </xs:sequence>
        </xs:complexType>
      </xs:element>
    </xs:sequence>
    <xs:attribute name="orderid" type="xs:string" use="required"/>
  </xs:complexType>
</xs:element>
</xs:schema>

From that XSD Schema I've generated the following 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="MySimpleXSD" nsURI="platform:/resource/XSD/src/model/MySimpleXSD.xsd"
    nsPrefix="MySimpleXSD">
  <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
    <details key="qualified" value="false"/>
  </eAnnotations>
  <eClassifiers xsi:type="ecore:EClass" name="DocumentRoot">
    <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
      <details key="name" value=""/>
      <details key="kind" value="mixed"/>
    </eAnnotations>
    <eStructuralFeatures xsi:type="ecore:EAttribute" name="mixed" unique="false" upperBound="-1"
        eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EFeatureMapEntry">
      <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
        <details key="kind" value="elementWildcard"/>
        <details key="name" value=":mixed"/>
      </eAnnotations>
    </eStructuralFeatures>
    <eStructuralFeatures xsi:type="ecore:EReference" name="xMLNSPrefixMap" upperBound="-1"
        eType="ecore:EClass http://www.eclipse.org/emf/2002/Ecore#//EStringToStringMapEntry"
        transient="true" containment="true" resolveProxies="false">
      <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
        <details key="kind" value="attribute"/>
        <details key="name" value="xmlns:prefix"/>
      </eAnnotations>
    </eStructuralFeatures>
    <eStructuralFeatures xsi:type="ecore:EReference" name="xSISchemaLocation" upperBound="-1"
        eType="ecore:EClass http://www.eclipse.org/emf/2002/Ecore#//EStringToStringMapEntry"
        transient="true" containment="true" resolveProxies="false">
      <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
        <details key="kind" value="attribute"/>
        <details key="name" value="xsi:schemaLocation"/>
      </eAnnotations>
    </eStructuralFeatures>
    <eStructuralFeatures xsi:type="ecore:EReference" name="shiporder" upperBound="-2"
        eType="#//ShiporderType" volatile="true" transient="true" derived="true" containment="true"
        resolveProxies="false">
      <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
        <details key="kind" value="element"/>
        <details key="name" value="shiporder"/>
        <details key="namespace" value="##targetNamespace"/>
      </eAnnotations>
    </eStructuralFeatures>
  </eClassifiers>
  <eClassifiers xsi:type="ecore:EClass" name="ItemType">
    <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
      <details key="name" value="item_._type"/>
      <details key="kind" value="elementOnly"/>
    </eAnnotations>
    <eStructuralFeatures xsi:type="ecore:EAttribute" name="title" lowerBound="1" eType="ecore:EDataType http://www.eclipse.org/emf/2003/XMLType#//String">
      <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
        <details key="kind" value="element"/>
        <details key="name" value="title"/>
        <details key="namespace" value="##targetNamespace"/>
      </eAnnotations>
    </eStructuralFeatures>
    <eStructuralFeatures xsi:type="ecore:EAttribute" name="note" eType="ecore:EDataType http://www.eclipse.org/emf/2003/XMLType#//String">
      <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
        <details key="kind" value="element"/>
        <details key="name" value="note"/>
        <details key="namespace" value="##targetNamespace"/>
      </eAnnotations>
    </eStructuralFeatures>
    <eStructuralFeatures xsi:type="ecore:EAttribute" name="quantity" lowerBound="1"
        eType="ecore:EDataType http://www.eclipse.org/emf/2003/XMLType#//PositiveInteger">
      <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
        <details key="kind" value="element"/>
        <details key="name" value="quantity"/>
        <details key="namespace" value="##targetNamespace"/>
      </eAnnotations>
    </eStructuralFeatures>
    <eStructuralFeatures xsi:type="ecore:EAttribute" name="price" lowerBound="1" eType="ecore:EDataType http://www.eclipse.org/emf/2003/XMLType#//Decimal">
      <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
        <details key="kind" value="element"/>
        <details key="name" value="price"/>
        <details key="namespace" value="##targetNamespace"/>
      </eAnnotations>
    </eStructuralFeatures>
  </eClassifiers>
  <eClassifiers xsi:type="ecore:EClass" name="ShiporderType">
    <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
      <details key="name" value="shiporder_._type"/>
      <details key="kind" value="elementOnly"/>
    </eAnnotations>
    <eStructuralFeatures xsi:type="ecore:EAttribute" name="orderperson" lowerBound="1"
        eType="ecore:EDataType http://www.eclipse.org/emf/2003/XMLType#//String">
      <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
        <details key="kind" value="element"/>
        <details key="name" value="orderperson"/>
        <details key="namespace" value="##targetNamespace"/>
      </eAnnotations>
    </eStructuralFeatures>
    <eStructuralFeatures xsi:type="ecore:EReference" name="shipto" lowerBound="1"
        eType="#//ShiptoType" containment="true" resolveProxies="false">
      <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
        <details key="kind" value="element"/>
        <details key="name" value="shipto"/>
        <details key="namespace" value="##targetNamespace"/>
      </eAnnotations>
    </eStructuralFeatures>
    <eStructuralFeatures xsi:type="ecore:EReference" name="item" lowerBound="1" upperBound="-1"
        eType="#//ItemType" containment="true" resolveProxies="false">
      <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
        <details key="kind" value="element"/>
        <details key="name" value="item"/>
        <details key="namespace" value="##targetNamespace"/>
      </eAnnotations>
    </eStructuralFeatures>
    <eStructuralFeatures xsi:type="ecore:EAttribute" name="orderid" lowerBound="1"
        eType="ecore:EDataType http://www.eclipse.org/emf/2003/XMLType#//String">
      <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
        <details key="kind" value="attribute"/>
        <details key="name" value="orderid"/>
        <details key="namespace" value="##targetNamespace"/>
      </eAnnotations>
    </eStructuralFeatures>
  </eClassifiers>
  <eClassifiers xsi:type="ecore:EClass" name="ShiptoType">
    <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
      <details key="name" value="shipto_._type"/>
      <details key="kind" value="elementOnly"/>
    </eAnnotations>
    <eStructuralFeatures xsi:type="ecore:EAttribute" name="name" lowerBound="1" eType="ecore:EDataType http://www.eclipse.org/emf/2003/XMLType#//String">
      <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
        <details key="kind" value="element"/>
        <details key="name" value="name"/>
        <details key="namespace" value="##targetNamespace"/>
      </eAnnotations>
    </eStructuralFeatures>
    <eStructuralFeatures xsi:type="ecore:EAttribute" name="address" lowerBound="1"
        eType="ecore:EDataType http://www.eclipse.org/emf/2003/XMLType#//String">
      <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
        <details key="kind" value="element"/>
        <details key="name" value="address"/>
        <details key="namespace" value="##targetNamespace"/>
      </eAnnotations>
    </eStructuralFeatures>
    <eStructuralFeatures xsi:type="ecore:EAttribute" name="city" lowerBound="1" eType="ecore:EDataType http://www.eclipse.org/emf/2003/XMLType#//String">
      <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
        <details key="kind" value="element"/>
        <details key="name" value="city"/>
        <details key="namespace" value="##targetNamespace"/>
      </eAnnotations>
    </eStructuralFeatures>
    <eStructuralFeatures xsi:type="ecore:EAttribute" name="country" lowerBound="1"
        eType="ecore:EDataType http://www.eclipse.org/emf/2003/XMLType#//String">
      <eAnnotations source="http:///org/eclipse/emf/ecore/util/ExtendedMetaData">
        <details key="kind" value="element"/>
        <details key="name" value="country"/>
        <details key="namespace" value="##targetNamespace"/>
      </eAnnotations>
    </eStructuralFeatures>
  </eClassifiers>
</ecore:EPackage>

And then I generate my code with the genmodel related to that ecore.

Thanks, Alex

[Updated on: Thu, 14 April 2016 08:46] by Moderator

Re: XSD-based model bug [message #1729850 is a reply to message #1729475]

Tue, 19 April 2016 09:45

Eclipse User

Le 14/04/2016 14:46, Alx Hvx a écrit :
> Hi,

Hi.

> for my project I need to generate my ecore and genmodel from an XSD file,
> The generation is working fine and I can create my diagram without any
> problem but when I relaod my eclipse (close it and reopen it) I have a
> "Failed to create the part's controls" error
>
> I tried a bit everything and the only way to get rid of that error is to
> define a targetNamespace in the XSD which is not something possible in
> my case.
>
> So I was wondering : Can Sirius work with an XSD-based model ?

Not very well unfortunately. XSD-based models tend to make use of EMF
features like "feature maps" that we don't support well. It'd be nice if
we could, but it has never been a priority for us for now.

Feel free to open bugzilla issues with detailed information about the
issues you encounter, and we may have a look at them. I can't guarantee
we'll have the time though, unless you're willing to sponsor the devs
(see the URL in my signature for more info on this).

Regards,
Pierre-Charles

--
Pierre-Charles David - Obeo

Need training or professional services for Sirius?
http://www.obeodesigner.com/sirius

Re: XSD-based model bug [message #1729858 is a reply to message #1729850]

Tue, 19 April 2016 11:46

Eclipse User

Hello Pierre,

I've managed to make it work for me, the only thing I needed to do was to modify the <xsd:schema > tag in my xsd in order to define a targetNameSpace (which should be the same as the xmlns tag) and also add elementFormDefault="qualified".

For the moment everything is working fine.

Thanks

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