eclipse-esmf · atextor · Mar 13, 2025 · Mar 6, 2025 · Mar 6, 2025 · Mar 6, 2025
diff --git a/core/esmf-aspect-meta-model-java/src/main/java/org/eclipse/esmf/aspectmodel/RdfUtil.java b/core/esmf-aspect-meta-model-java/src/main/java/org/eclipse/esmf/aspectmodel/RdfUtil.java
@@ -118,6 +118,7 @@ public static void cleanPrefixes( final Model model ) {
             .map( Statement::getSubject )
             .filter( Resource::isURIResource )
             .map( Resource::getURI )
+            .map( uri -> uri.endsWith( "#" ) ? uri.replace( "#", "" ) : uri )
             .map( AspectModelUrn::fromUrn )
             .findAny()
             .ifPresent( urn -> model.setNsPrefix( "", urn.getUrnPrefix() ) );

diff --git a/...eta-model-java/src/main/java/org/eclipse/esmf/aspectmodel/loader/ModelElementFactory.java b/...eta-model-java/src/main/java/org/eclipse/esmf/aspectmodel/loader/ModelElementFactory.java
@@ -257,7 +257,9 @@ private static Optional<AspectModelUrn> getUrn( final Resource modelElement ) {
          }
          return Optional.empty();
       }
-      return Optional.of( AspectModelUrn.fromUrn( modelElement.getURI() ) );
+      return modelElement.getURI().endsWith( "#" )
+            ? Optional.of( AspectModelUrn.fromUrn( modelElement.getURI().replace( "#", "" ) ) )
+            : Optional.of( AspectModelUrn.fromUrn( modelElement.getURI() ) );
    }
 
    /**

diff --git a/...-meta-model-java/src/main/java/org/eclipse/esmf/aspectmodel/serializer/PrettyPrinter.java b/...-meta-model-java/src/main/java/org/eclipse/esmf/aspectmodel/serializer/PrettyPrinter.java
@@ -481,7 +481,9 @@ public Object visitLiteral( final Node_Literal it, final String lex, final Strin
       public Object visitURI( final Node_URI it, final String uri ) {
          final String suri = model.shortForm( uri );
          if ( uri.equals( suri ) ) {
-            return "<" + uri + ">";
+            return uri.startsWith( "urn:samm:" ) && !uri.contains( "#" )
+                  ? "<" + uri + "#>"
+                  : "<" + uri + ">";
          } else {
             return suri;
          }

diff --git a/...va/src/main/java/org/eclipse/esmf/aspectmodel/versionupdate/MetaModelVersionMigrator.java b/...va/src/main/java/org/eclipse/esmf/aspectmodel/versionupdate/MetaModelVersionMigrator.java
@@ -45,6 +45,7 @@ private MetaModelVersionMigrator() {
    }
 
    private final List<Migrator> migrators = ImmutableList.<Migrator> builder()
+         .add( new SammMetaModelVersionUriRewriter( KnownVersion.SAMM_2_1_0, KnownVersion.SAMM_2_2_0 ) )
          .add( new SammMetaModelVersionUriRewriter( KnownVersion.SAMM_2_0_0, KnownVersion.SAMM_2_1_0 ) )
          .add( new SammMetaModelVersionUriRewriter( KnownVersion.SAMM_1_0_0, KnownVersion.SAMM_2_0_0 ) )
          .add( new SammRemoveSammNameMigrator( KnownVersion.SAMM_1_0_0, KnownVersion.SAMM_2_0_0 ) )

diff --git a/core/esmf-aspect-meta-model-java/src/test-shared/java/org/eclipse/esmf/test/AssertTest.java b/core/esmf-aspect-meta-model-java/src/test-shared/java/org/eclipse/esmf/test/AssertTest.java
@@ -13,7 +13,7 @@
 
 package org.eclipse.esmf.test;
 
-import static org.eclipse.esmf.metamodel.DataTypes.xsd;
+import static org.eclipse.esmf.metamodel.DataTypes.*;
 import static org.eclipse.esmf.metamodel.Elements.*;
 import static org.eclipse.esmf.metamodel.builder.SammBuilder.*;
 import static org.eclipse.esmf.test.shared.AspectModelAsserts.assertThat;
@@ -32,6 +32,7 @@
 import org.eclipse.esmf.metamodel.Property;
 import org.eclipse.esmf.metamodel.constraint.RangeConstraint;
 import org.eclipse.esmf.metamodel.vocabulary.SammNs;
+import org.eclipse.esmf.samm.KnownVersion;
 
 import org.apache.jena.datatypes.xsd.XSDDatatype;
 import org.junit.jupiter.api.Test;
@@ -138,7 +139,7 @@ void testAssertionsWithBuilder() {
             .characteristic()
             .hasDataType( xsd.string )
             .sourceFile()
-            .hasLocation( "urn:samm:org.eclipse.esmf.samm:characteristic:2.1.0" );
+            .hasLocation( "urn:samm:org.eclipse.esmf.samm:characteristic:" + KnownVersion.getLatest().toVersionString() );
 
       final RangeConstraint rangeConstraint = rangeConstraint()
             .minValue( value( 5, xsd.integer ) )

diff --git a/...t-meta-model-java/src/test/resources/samm_2_2_0/invalid_aspect_meta_model_urn_element.ttl b/...t-meta-model-java/src/test/resources/samm_2_2_0/invalid_aspect_meta_model_urn_element.ttl
@@ -0,0 +1,17 @@
+# Copyright (c) 2023 Robert Bosch Manufacturing Solutions GmbH
+#
+# See the AUTHORS file(s) distributed with this work for additional
+# information regarding authorship.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# SPDX-License-Identifier: MPL-2.0
+
+@prefix samm: <urn:org.eclipse.esmf.samm:foo:1.0.0#> .
+
+<urn:samm:org.eclipse.esmf.samm:aspect-model:TestAspect:1.0.0> a samm:Aspect ;
+   samm:preferredName "Test Aspect"@en ;
+   samm:properties ( ) ;
+   samm:operations ( ) .
diff --git a/core/esmf-aspect-meta-model-java/src/test/resources/samm_2_2_0/invalid_aspect_urn.ttl b/core/esmf-aspect-meta-model-java/src/test/resources/samm_2_2_0/invalid_aspect_urn.ttl
@@ -0,0 +1,17 @@
+# Copyright (c) 2023 Robert Bosch Manufacturing Solutions GmbH
+#
+# See the AUTHORS file(s) distributed with this work for additional
+# information regarding authorship.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# SPDX-License-Identifier: MPL-2.0
+
+@prefix samm: <urn:samm:foo:something:else#> .
+
+<urn:samm:org.eclipse.esmf.samm:TestAspect:1.1.0> a samm:Aspect;
+	samm:preferredName "Test Aspect"@en;
+	samm:properties () ;
+	samm:operations () .
diff --git a/core/esmf-aspect-meta-model-java/src/test/resources/samm_2_2_0/invalid_aspect_urn_prefix.ttl b/core/esmf-aspect-meta-model-java/src/test/resources/samm_2_2_0/invalid_aspect_urn_prefix.ttl
@@ -0,0 +1,17 @@
+# Copyright (c) 2023 Robert Bosch Manufacturing Solutions GmbH
+#
+# See the AUTHORS file(s) distributed with this work for additional
+# information regarding authorship.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# SPDX-License-Identifier: MPL-2.0
+
+@prefix samm: <urn:foo:org.eclipse.esmf.samm:meta-model:2.0.0#> .
+
+<urn:samm:org.eclipse.esmf.samm:aspect-model:TestAspect:1.1.0> a samm:Aspect ;
+   samm:preferredName "Test Aspect"@en ;
+   samm:properties ( ) ;
+   samm:operations ( ) .
diff --git a/core/esmf-aspect-meta-model-java/src/test/resources/samm_2_2_0/invalid_multiple_aspects.ttl b/core/esmf-aspect-meta-model-java/src/test/resources/samm_2_2_0/invalid_multiple_aspects.ttl
@@ -0,0 +1,22 @@
+# Copyright (c) 2023 Robert Bosch Manufacturing Solutions GmbH
+#
+# See the AUTHORS file(s) distributed with this work for additional
+# information regarding authorship.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# SPDX-License-Identifier: MPL-2.0
+
+@prefix samm: <urn:samm:org.eclipse.esmf.samm:meta-model:2.2.0#> .
+
+<urn:samm:org.eclipse.esmf.samm:aspect-model:TestAspect:1.1.0> a samm:Aspect ;
+   samm:preferredName "Test Aspect"@en ;
+   samm:properties ( ) ;
+   samm:operations ( ) .
+
+<urn:samm:org.eclipse.esmf.samm:aspect-model:AnotherTestAspect:1.1.0> a samm:Aspect ;
+   samm:preferredName "Another Test Aspect"@en ;
+   samm:properties ( ) ;
+   samm:operations ( ) .
diff --git a/...meta-model-java/src/test/resources/samm_2_2_0/org.eclipse.esmf.test/1.0.0/AnotherTest.ttl b/...meta-model-java/src/test/resources/samm_2_2_0/org.eclipse.esmf.test/1.0.0/AnotherTest.ttl
@@ -0,0 +1,20 @@
+# Copyright (c) 2023 Robert Bosch Manufacturing Solutions GmbH
+#
+# See the AUTHORS file(s) distributed with this work for additional
+# information regarding authorship.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# SPDX-License-Identifier: MPL-2.0
+
+@prefix samm: <urn:samm:org.eclipse.esmf.samm:meta-model:2.2.0#> .
+@prefix samm-c: <urn:samm:org.eclipse.esmf.samm:characteristic:2.2.0#> .
+@prefix : <urn:samm:org.eclipse.esmf.test:1.0.0#> .
+
+:AnotherTest a samm:Aspect ;
+   samm:preferredName "Another Test"@en ;
+   samm:properties ( :foo ) ;
+   samm:operations ( ) .
+
diff --git a/...a/src/test/resources/samm_2_2_0/org.eclipse.esmf.test/1.0.0/AspectInPreviousNamespace.ttl b/...a/src/test/resources/samm_2_2_0/org.eclipse.esmf.test/1.0.0/AspectInPreviousNamespace.ttl
@@ -0,0 +1,21 @@
+# Copyright (c) 2023 Robert Bosch Manufacturing Solutions GmbH
+#
+# See the AUTHORS file(s) distributed with this work for additional
+# information regarding authorship.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# SPDX-License-Identifier: MPL-2.0
+
+@prefix samm: <urn:samm:org.eclipse.esmf.samm:meta-model:2.2.0#> .
+@prefix samm-c: <urn:samm:org.eclipse.esmf.samm:characteristic:2.2.0#> .
+@prefix : <urn:samm:org.eclipse.esmf.test:1.0.0#> .
+
+:AspectInPreviousNamespace a samm:Aspect ;
+   samm:properties ( :distinctProperty ) ;
+   samm:operations ( ) .
+
+:distinctProperty a samm:Property ;
+   samm:characteristic samm-c:Text .
diff --git a/...a/src/test/resources/samm_2_2_0/org.eclipse.esmf.test/1.0.0/BammAspectWithoutPrefixes.ttl b/...a/src/test/resources/samm_2_2_0/org.eclipse.esmf.test/1.0.0/BammAspectWithoutPrefixes.ttl
@@ -0,0 +1,122 @@
+@prefix aux: <urn:bamm:io.openmanufacturing:aspect-model:aux#> .
+@prefix ns:  <urn:bamm:org.eclipse.esmf.test:1.0.0#BammAspectWithoutPrefixes> .
+ns:     a       <urn:bamm:io.openmanufacturing:meta-model:1.0.0#Aspect> ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#description>
+                "Aspect for movement information"@en ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#name>
+                "BammAspectWithoutPrefixes" ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#operations>
+                () ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#preferredName>
+                "BammAspectWithoutPrefixes"@en ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#properties>
+                ( <urn:bamm:org.eclipse.esmf.test:1.0.0#moving> <urn:bamm:org.eclipse.esmf.test:1.0.0#speedLimitWarning> <urn:bamm:org.eclipse.esmf.test:1.0.0#position> ) .
+<urn:bamm:org.eclipse.esmf.test:1.0.0#moving>
+        a       <urn:bamm:io.openmanufacturing:meta-model:1.0.0#Property> ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#characteristic>
+                <urn:bamm:io.openmanufacturing:characteristic:1.0.0#Boolean> ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#description>
+                "Flag indicating if the position is changing"@en ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#name>
+                "moving" ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#preferredName>
+                "Moving"@en .
+<urn:bamm:org.eclipse.esmf.test:1.0.0#z>
+        a       <urn:bamm:io.openmanufacturing:meta-model:1.0.0#Property> ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#characteristic>
+                <urn:bamm:org.eclipse.esmf.test:1.0.0#Coordinate> ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#description>
+                "z coordinate in space"@en ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#name>
+                "z" ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#preferredName>
+                "z"@en .
+<urn:bamm:org.eclipse.esmf.test:1.0.0#y>
+        a       <urn:bamm:io.openmanufacturing:meta-model:1.0.0#Property> ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#characteristic>
+                <urn:bamm:org.eclipse.esmf.test:1.0.0#Coordinate> ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#description>
+                "y coordinate in space"@en ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#name>
+                "y" ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#preferredName>
+                "y"@en .
+<urn:bamm:org.eclipse.esmf.test:1.0.0#Coordinate>
+        a       <urn:bamm:io.openmanufacturing:characteristic:1.0.0#Measurement> ;
+        <urn:bamm:io.openmanufacturing:characteristic:1.0.0#unit>
+                <urn:bamm:io.openmanufacturing:unit:1.0.0#metre> ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#dataType>
+                <http://www.w3.org/2001/XMLSchema#float> ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#description>
+                "Represents a coordinate along an axis in space."@en ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#name>
+                "Coordinate" ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#preferredName>
+                "Coordinate"@en .
+<urn:bamm:org.eclipse.esmf.test:1.0.0#speedLimitWarning>
+        a       <urn:bamm:io.openmanufacturing:meta-model:1.0.0#Property> ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#characteristic>
+                <urn:bamm:org.eclipse.esmf.test:1.0.0#WarningLevel> ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#description>
+                "Indicats if speed limit is adhered to."@en ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#name>
+                "speedLimitWarning" ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#preferredName>
+                "Speed Limit Warning"@en .
+<urn:bamm:org.eclipse.esmf.test:1.0.0#SpatialPosition>
+        a       <urn:bamm:io.openmanufacturing:meta-model:1.0.0#Entity> ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#description>
+                "Position in space, described along three axis, with the third axis optional, if all positions are in a plane."@en ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#name>
+                "SpatialPosition" ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#preferredName>
+                "Spatial Position"@en ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#properties>
+                ( <urn:bamm:org.eclipse.esmf.test:1.0.0#x> <urn:bamm:org.eclipse.esmf.test:1.0.0#y>
+                  [ <urn:bamm:io.openmanufacturing:meta-model:1.0.0#optional>
+                            true ;
+                    <urn:bamm:io.openmanufacturing:meta-model:1.0.0#property>
+                            <urn:bamm:org.eclipse.esmf.test:1.0.0#z>
+                  ]
+                ) .
+<urn:bamm:org.eclipse.esmf.test:1.0.0#x>
+        a       <urn:bamm:io.openmanufacturing:meta-model:1.0.0#Property> ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#characteristic>
+                <urn:bamm:org.eclipse.esmf.test:1.0.0#Coordinate> ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#description>
+                "x coordinate in space"@en ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#name>
+                "x" ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#preferredName>
+                "x"@en .
+<urn:bamm:org.eclipse.esmf.test:1.0.0#position>
+        a       <urn:bamm:io.openmanufacturing:meta-model:1.0.0#Property> ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#characteristic>
+                [ a       <urn:bamm:io.openmanufacturing:characteristic:1.0.0#SingleEntity> ;
+                  <urn:bamm:io.openmanufacturing:meta-model:1.0.0#dataType>
+                          <urn:bamm:org.eclipse.esmf.test:1.0.0#SpatialPosition> ;
+                  <urn:bamm:io.openmanufacturing:meta-model:1.0.0#description>
+                          "Represents a single location in space."@en ;
+                  <urn:bamm:io.openmanufacturing:meta-model:1.0.0#name>
+                          "SpatialPositionCharacteristic" ;
+                  <urn:bamm:io.openmanufacturing:meta-model:1.0.0#preferredName>
+                          "Spatial Position Characteristic"@en
+                ] ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#description>
+                "Indicates a position"@en ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#name>
+                "position" ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#preferredName>
+                "Position"@en .
+<urn:bamm:org.eclipse.esmf.test:1.0.0#WarningLevel>
+        a       <urn:bamm:io.openmanufacturing:characteristic:1.0.0#Enumeration> ;
+        <urn:bamm:io.openmanufacturing:characteristic:1.0.0#values>
+                ( "green" "yellow" "red" ) ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#dataType>
+                <http://www.w3.org/2001/XMLSchema#string> ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#description>
+                "Represents if speed of position change is within specification (green), within tolerance (yellow), or outside specification (red)."@en ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#name>
+                "WarningLevel" ;
+        <urn:bamm:io.openmanufacturing:meta-model:1.0.0#preferredName>
+                "Warning Level"@en .
diff --git a/...meta-model-java/src/test/resources/samm_2_2_0/org.eclipse.esmf.test/1.0.0/FailingTest.ttl b/...meta-model-java/src/test/resources/samm_2_2_0/org.eclipse.esmf.test/1.0.0/FailingTest.ttl
@@ -0,0 +1,19 @@
+# Copyright (c) 2023 Robert Bosch Manufacturing Solutions GmbH
+#
+# See the AUTHORS file(s) distributed with this work for additional
+# information regarding authorship.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# SPDX-License-Identifier: MPL-2.0
+
+@prefix samm: <urn:samm:org.eclipse.esmf.samm:meta-model:2.2.0#> .
+@prefix samm-c: <urn:samm:org.eclipse.esmf.samm:characteristic:2.2.0#> .
+@prefix : <urn:samm:org.eclipse.esmf.test:1.0.0#> .
+
+:FailingTest a samm:Aspect ;
+   samm:preferredName "Failing Test"@en ;
+   samm:properties ( :notExisting ) ;
+   samm:operations ( ) .
diff --git a/...ct-meta-model-java/src/test/resources/samm_2_2_0/org.eclipse.esmf.test/1.0.0/ModelDef.ttl b/...ct-meta-model-java/src/test/resources/samm_2_2_0/org.eclipse.esmf.test/1.0.0/ModelDef.ttl
@@ -0,0 +1,27 @@
+# Copyright (c) 2023 Robert Bosch Manufacturing Solutions GmbH
+#
+# See the AUTHORS file(s) distributed with this work for additional
+# information regarding authorship.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# SPDX-License-Identifier: MPL-2.0
+
+@prefix samm: <urn:samm:org.eclipse.esmf.samm:meta-model:2.2.0#> .
+@prefix samm-c: <urn:samm:org.eclipse.esmf.samm:characteristic:2.2.0#> .
+@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
+@prefix : <urn:samm:org.eclipse.esmf.test:1.0.0#> .
+
+:ModelCode a samm-c:Code ;
+   samm:dataType xsd:string .
+
+:ModelYear a samm-c:Code ;
+   samm:dataType xsd:nonNegativeInteger .
+
+:SomeOtherNonRelatedEntity a samm:Entity ;
+   samm:properties ( :name ) .
+
+:name a samm:Property ;
+   samm:characteristic samm-c:Text .
diff --git a/...ta-model-java/src/test/resources/samm_2_2_0/org.eclipse.esmf.test/1.0.0/PrimaryAspect.ttl b/...ta-model-java/src/test/resources/samm_2_2_0/org.eclipse.esmf.test/1.0.0/PrimaryAspect.ttl
@@ -0,0 +1,20 @@
+@prefix samm: <urn:samm:org.eclipse.esmf.samm:meta-model:2.2.0#>.
+@prefix samm-c: <urn:samm:org.eclipse.esmf.samm:characteristic:2.2.0#>.
+@prefix samm-e: <urn:samm:org.eclipse.esmf.samm:entity:2.2.0#>.
+@prefix unit: <urn:samm:org.eclipse.esmf.samm:unit:2.2.0#>.
+@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
+@prefix xsd: <http://www.w3.org/2001/XMLSchema#>.
+@prefix : <urn:samm:org.eclipse.esmf.test:1.0.0#>.
+
+:PrimaryAspect a samm:Aspect ;
+    samm:properties ( :property1 ) ;
+    samm:operations () ;
+    samm:events () .
+
+:property1 a samm:Property ;
+    samm:characteristic :MyChar .
+
+:MyChar a samm-c:Enumeration ;
+    samm:dataType xsd:string ;
+    samm-c:values ( "true" "false" ) .
diff --git a/...src/test/resources/samm_2_2_0/org.eclipse.esmf.test/1.0.0/ReferenceCharacteristicTest.ttl b/...src/test/resources/samm_2_2_0/org.eclipse.esmf.test/1.0.0/ReferenceCharacteristicTest.ttl
@@ -0,0 +1,21 @@
+# Copyright (c) 2023 Robert Bosch Manufacturing Solutions GmbH
+#
+# See the AUTHORS file(s) distributed with this work for additional
+# information regarding authorship.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# SPDX-License-Identifier: MPL-2.0
+
+@prefix samm: <urn:samm:org.eclipse.esmf.samm:meta-model:2.2.0#> .
+@prefix samm-c: <urn:samm:org.eclipse.esmf.samm:characteristic:2.2.0#> .
+@prefix : <urn:samm:org.eclipse.esmf.test:1.0.0#> .
+
+:ReferenceCharacteristicTest a samm:Aspect ;
+   samm:properties ( :foo ) ;
+   samm:operations ( ) .
+
+:foo a samm:Property ;
+   samm:characteristic :TestCharacteristic .