tbox: v1.2 - physicalizedIn devient storedIn, hasSource ramene a un seul sens (systeme detenant la donnee faisant autorite) et interdit sur les Business Concepts. Table supprime, MaterializedView / constrainsRelation / approximateRowCount / hasVendor deprecies. shapes: controle que la source d'une metrique correspond a celle de ses elements, unite multiple sur Metric et unique sur DataElement, hasProductOwner en avertissement. instances: Data Product SODH avec contrat et deux interfaces, 6 proprietaires de domaine nommes, Sell Out Distribution devient Retail Distribution. generated: les deux viewers partagent desormais le meme moteur

shapes/pr_metamodel_shapes.ttl

@@ -40,7 +40,7 @@
 
 <https://ontology.pernod-ricard.com/metamodel/shapes/>
     dcterms:title "PR Data Meta Model - SHACL Shapes" ;
-    dcterms:modified "2026-07-26"^^xsd:date ;
+    dcterms:modified "2026-07-27"^^xsd:date ;
     rdfs:comment "Executable form of the rulebook. Validated by scripts/run_shacl_validation.py." .
 
 
@@ -231,7 +231,12 @@ prs:BusinessConceptShape a sh:NodeShape ;
     sh:property [
         sh:path pr:hasFormula ; sh:maxCount 0 ;
         sh:severity sh:Violation ;
-        sh:message "BR-003 -- the presence of a formula is what makes something a Metric. A Concept with a formula is a misclassified Metric." ] .
+        sh:message "BR-003 -- the presence of a formula is what makes something a Metric. A Concept with a formula is a misclassified Metric." ] ;
+
+    sh:property [
+        sh:path pr:hasSource ; sh:maxCount 0 ;
+        sh:severity sh:Violation ;
+        sh:message "A Business Concept has no source of truth. Its authority is its owning domain and its definition belongs in the glossary. Naming a system here would ask which of the systems that USE the concept defines it -- a question with no answer." ] .
 
 
 prs:MetricShape a sh:NodeShape ;
@@ -244,9 +249,9 @@ prs:MetricShape a sh:NodeShape ;
         sh:message "BR-003 -- a Metric is a measurement with a calculation rule. No formula, no Metric." ] ;
 
     sh:property [
-        sh:path pr:hasUnit ; sh:minCount 1 ; sh:maxCount 1 ;
+        sh:path pr:hasUnit ; sh:minCount 1 ;
         sh:severity sh:Violation ;
-        sh:message "A Metric states its unit." ] ;
+        sh:message "A Metric states every unit its variants are expressed in. NOT capped at one: Sell Out Volume is computed in 9L and in L, Sell Out Value in EUR, USD and local currency. The single-unit rule belongs on the Data Element, where it holds -- see DataElementShape." ] ;
 
     sh:property [
         sh:path pr:measures ; sh:class pr:BusinessConcept ;
@@ -265,6 +270,38 @@ prs:MetricShape a sh:NodeShape ;
         sh:message "A Metric must not carry a physical name -- that is a layer leak. Under BR-013 the physical name belongs on the Data Element." ] .
 
 
+#  The source of truth of a Metric is asserted by exception, then checked.
+#  "Where can I get this metric" is a first-order question and the derivation
+#  chain will have gaps before harvesting, so the assertion stands on its own --
+#  but it must agree with the elements that implement the metric, or the two
+#  will drift the day an element moves.
+prs:MetricSourceShape a sh:NodeShape ;
+    sh:targetClass pr:Metric ;
+    sh:sparql [
+        sh:severity sh:Violation ;
+        sh:message "A Metric's source of truth must match the source of at least one element that computes it. If they disagree, either the metric points at the wrong system or an element has moved." ;
+        sh:select """
+            PREFIX pr: <https://ontology.pernod-ricard.com/metamodel/>
+            SELECT $this WHERE {
+              $this pr:hasSource ?src ; pr:computedBy ?de .
+              FILTER NOT EXISTS {
+                $this pr:computedBy ?any .
+                ?any pr:hasSource ?src .
+              }
+            }""" ] ;
+    sh:sparql [
+        sh:severity sh:Warning ;
+        sh:message "Elements computing one Metric come from several systems of truth. Legitimate for a metric blending sources, worth a look otherwise." ;
+        sh:select """
+            PREFIX pr: <https://ontology.pernod-ricard.com/metamodel/>
+            SELECT $this WHERE {
+              $this pr:computedBy ?a , ?b .
+              ?a pr:hasSource ?sa .
+              ?b pr:hasSource ?sb .
+              FILTER(?sa != ?sb)
+            }""" ] .
+
+
 #  BR-013, finally executable. v0.1.1 declared it BLOCKING with no shape.
 prs:MotherMetricShape a sh:NodeShape ;
     sh:targetClass pr:Metric ;
@@ -306,7 +343,13 @@ prs:DataObjectShape a sh:NodeShape ;
     sh:property [
         sh:path pr:monitoredBy ; sh:maxCount 0 ;
         sh:severity sh:Warning ;
-        sh:message "Stewardship is declared on the Business Object and inherited through represents. Declaring it here allows two answers to the same question." ] .
+        sh:message "Stewardship is declared on the Business Object and inherited through represents. Declaring it here allows two answers to the same question." ] ;
+
+    sh:property [
+        sh:path pr:hasSource ; sh:maxCount 1 ;
+        sh:not [ sh:pattern "/" ] ;
+        sh:severity sh:Warning ;
+        sh:message "hasSource names the SYSTEM of origin, nothing else. A value like 'SODH Gold / F_SELL_OUT' packs a system and a physical relation into one string -- the physical relation belongs in physicalName." ] .
 
 
 #  A declared grain element must actually belong to the object it grains.
@@ -340,6 +383,11 @@ prs:DataElementShape a sh:NodeShape ;
         sh:path pr:fullyQualifiedName ; sh:maxCount 1 ;
         sh:severity sh:Info ] ;
 
+    sh:property [
+        sh:path pr:hasUnit ; sh:maxCount 1 ;
+        sh:severity sh:Violation ;
+        sh:message "A Data Element carries exactly one unit. This is the counterpart of the Metric rule: the mother metric lists the units its variants use, each variant states the single unit it is actually expressed in. An element with two units is two elements." ] ;
+
     sh:property [
         sh:path pr:represents ; sh:class pr:BusinessConcept ;
         sh:maxCount 1 ;
@@ -381,9 +429,9 @@ prs:DataProductShape a sh:NodeShape ;
 
     sh:property [
         sh:path pr:hasProductOwner ; sh:class pr:DataProductOwner ;
-        sh:minCount 1 ; sh:maxCount 1 ;
-        sh:severity sh:Violation ;
-        sh:message "A Data Product has exactly one Product Owner." ] ;
+        sh:maxCount 1 ;
+        sh:severity sh:Warning ;
+        sh:message "A Data Product should name exactly one Product Owner. A warning rather than a block: the SODH owner is genuinely not appointed, and a blocking rule that cannot be satisfied truthfully is how BR-004 produced padding." ] ;
 
     sh:property [
         sh:path pr:packages ; sh:class pr:DataObject ;