Re: [Geoserver-users] AppSchema plugin, mapping simpleFeature with element having 0...N cardinality

[aquentin]

Hi,

In order to better understand the problem, many details added : 


I'm trying to use app schema to expose a simple feature that have attributes
with cardinality 0...N.
The xsd is here and concern modelview=>
https://forge.brgm.fr/svnrepository/epos/trunk/schemas/epos-lite.xsd

for example : 
 

element name="individualName" type="string" maxOccurs="unbounded">
<annotation>
<documentation>Name of the author(s).</documentation>
</annotation>
</element>



In database, I create one table "modelview" with foreign key to another
table "individualname", to respect multiplicity.

I tried to use feature link but an error raised "No top level element found
in schemas". It shouldn't be the good manner to do mapping.

I tried FEATURE LINK as is : 

in modelview mapping : 

...
        <includedTypes>
                <Include>mapping_individualname.xml</Include>
        </includedTypes>
...

<FeatureTypeMapping>
                        <isDenormalised>false</isDenormalised>
                        <sourceDataStore>datastore</sourceDataStore>
                        <sourceType>modelview</sourceType>
                        <targetElement>gsmlp:ModelView</targetElement>          
        
                        <attributeMappings>
                                <AttributeMapping>
                                        
<targetAttribute>gsmlp:ModelView</targetAttribute>
                                        <idExpression>
                                                <OCQL>modelid</OCQL>
                                        </idExpression>
                                </AttributeMapping>
                                <AttributeMapping>
                                        
<targetAttribute>gsmlp:individualName</targetAttribute>
                                        <sourceExpression>
                                                <OCQL>modelid</OCQL>
                                                
<linkElement>individualNameType</linkElement>
                                                
<linkField>FEATURE_LINK</linkField>
                                        </sourceExpression>
                                        <isMultiple>true</isMultiple>
                                </AttributeMapping>

and in mapping_individualname.xml file : 

<typeMappings>
                <FeatureTypeMapping>
                        <isDenormalised>false</isDenormalised>
                        <sourceDataStore>datastore</sourceDataStore>
                        <sourceType>modelview_individualname</sourceType>
                        <targetElement>gsmlp:ModelView</targetElement>  
                        <mappingName>individualNameType</mappingName>
                        <attributeMappings>
                                <AttributeMapping>
                                        
<targetAttribute>gsmlp:individualName</targetAttribute>
                                        <sourceExpression>
                                                <OCQL>individualname</OCQL>
                                        </sourceExpression>     
                                </AttributeMapping>
                                <AttributeMapping>
                                        
<targetAttribute>FEATURE_LINK</targetAttribute>
                                        <sourceExpression>
                                                <OCQL>modelid</OCQL>
                                        </sourceExpression>
                                </AttributeMapping>
                        </attributeMappings>
                </FeatureTypeMapping>
        </typeMappings>

but the output here
(https://epos.brgm-rec.fr/geoserver/ows?service=wfs&version=2.0.0&request=GetFeature&typenames=gsmlp:ModelView&OUTPUTFORMAT=GML3)
is not really what I'm waiting for : 

<gsmlp:individualName>
FeatureImpl:ModelView<ModelViewType
id=modelview_individualname.fid--57ce97cc_15e846f8924_-7fd6>=[AttributeImpl:individualName<string>=G.
Courrioux]
</gsmlp:individualName>
<gsmlp:individualName>
FeatureImpl:ModelView<ModelViewType
id=modelview_individualname.fid--57ce97cc_15e846f8924_-7fd5>=[AttributeImpl:individualName<string>=S.
Gabalda]
</gsmlp:individualName>
<gsmlp:individualName>
FeatureImpl:ModelView<ModelViewType
id=modelview_individualname.fid--57ce97cc_15e846f8924_-7fd4>=[AttributeImpl:individualName<string>=C.
Allanic]
</gsmlp:individualName>
<gsmlp:individualName>
FeatureImpl:ModelView<ModelViewType
id=modelview_individualname.fid--57ce97cc_15e846f8924_-7fd3>=[AttributeImpl:individualName<string>=K.
Schulmann]
</gsmlp:individualName>
<gsmlp:individualName>
FeatureImpl:ModelView<ModelViewType
id=modelview_individualname.fid--57ce97cc_15e846f8924_-7fd2>=[AttributeImpl:individualName<string>=E.
Skrzypek]
</gsmlp:individualName>
<gsmlp:individualName>
FeatureImpl:ModelView<ModelViewType
id=modelview_individualname.fid--57ce97cc_15e846f8924_-7fd1>=[AttributeImpl:individualName<string>=A.
Guillen]
</gsmlp:individualName>


thank you
Regards.



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