Add fluent builder API and custom AssertJ assertions

Author: atextor

core/esmf-aspect-meta-model-interface/src/main/java/org/eclipse/esmf/metamodel/Aspect.java

@@ -14,6 +14,9 @@
 package org.eclipse.esmf.metamodel;
 
 import java.util.List;
+import java.util.Optional;
+
+import org.eclipse.esmf.metamodel.characteristic.Collection;
 
 /**
  * An Aspect encapsulates a number of properties and operations that define one functional facet of a Digital Twin.
@@ -31,4 +34,11 @@ public interface Aspect extends StructureElement {
     * @since SAMM 2.0.0
     */
    List<Event> getEvents();
+
+   default boolean isCollectionAspect() {
+      return getProperties().stream()
+            .map( Property::getCharacteristic )
+            .flatMap( Optional::stream )
+            .filter( Collection.class::isInstance ).count() == 1;
+   }
 }

core/esmf-aspect-meta-model-interface/src/main/java/org/eclipse/esmf/metamodel/ComplexType.java

@@ -17,14 +17,13 @@
 import java.util.Collections;
 import java.util.List;
 import java.util.Optional;
-import java.util.stream.Collectors;
+import java.util.function.Function;
 import java.util.stream.Stream;
 
 /**
  * Defines the data type of a {@link Characteristic} as being a complex value.
  */
 public interface ComplexType extends Type, StructureElement {
-
    /**
     * @return a {@link java.util.List} of {@link ComplexType}s which extend this Entity
     */
@@ -41,12 +40,18 @@ default boolean isAbstractEntity() {
     */
    default List<Property> getAllProperties() {
       if ( getExtends().isPresent() ) {
-         return Stream.of( getProperties(), getExtends().get().getAllProperties() ).flatMap( Collection::stream )
-               .collect( Collectors.toList() );
+         return Stream.of( getProperties(), getExtends().get().getAllProperties() ).flatMap( Collection::stream ).toList();
       }
       return List.copyOf( getProperties() );
    }
 
+   default List<ComplexType> getAllSuperTypes() {
+      if ( getExtends().isPresent() ) {
+         return Stream.of( getExtends().stream(), getExtends().get().getAllSuperTypes().stream() ).flatMap( Function.identity() ).toList();
+      }
+      return List.of();
+   }
+
    @Override
    default String getUrn() {
       return urn().toString();
@@ -63,4 +68,15 @@ default Optional<ComplexType> getExtends() {
    default boolean isComplexType() {
       return true;
    }
+
+   @Override
+   default boolean isTypeOrSubtypeOf( final Type other ) {
+      if ( equals( other ) ) {
+         return true;
+      }
+      if ( !other.isComplexType() ) {
+         return false;
+      }
+      return ( (ComplexType) other ).getAllSuperTypes().contains( this );
+   }
 }

core/esmf-aspect-meta-model-interface/src/main/java/org/eclipse/esmf/metamodel/Scalar.java

@@ -13,6 +13,15 @@
 
 package org.eclipse.esmf.metamodel;
 
+import java.util.Map;
+
+import org.eclipse.esmf.metamodel.vocabulary.SammNs;
+
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableMap;
+import org.apache.jena.vocabulary.RDF;
+import org.apache.jena.vocabulary.XSD;
+
 /**
  * Defines the data type of a {@link Characteristic} as being a scalar value.
  */
@@ -21,4 +30,62 @@ public interface Scalar extends Type {
    default boolean isScalar() {
       return true;
    }
+
+   private boolean transitivelyCastable( final String from, final String to ) {
+      final Map<String, String> castable = ImmutableMap.<String, String> builder()
+            .put( XSD.xbyte.getURI(), XSD.xshort.getURI() )
+            .put( XSD.xshort.getURI(), XSD.xint.getURI() )
+            .put( XSD.xint.getURI(), XSD.xlong.getURI() )
+            .put( XSD.xlong.getURI(), XSD.integer.getURI() )
+            .put( XSD.integer.getURI(), XSD.decimal.getURI() )
+            .put( XSD.unsignedByte.getURI(), XSD.unsignedShort.getURI() )
+            .put( XSD.unsignedShort.getURI(), XSD.unsignedInt.getURI() )
+            .put( XSD.unsignedInt.getURI(), XSD.unsignedLong.getURI() )
+            .put( XSD.unsignedLong.getURI(), XSD.nonNegativeInteger.getURI() )
+            .put( XSD.positiveInteger.getURI(), XSD.nonNegativeInteger.getURI() )
+            .put( XSD.nonNegativeInteger.getURI(), XSD.integer.getURI() )
+            .put( XSD.negativeInteger.getURI(), XSD.nonPositiveInteger.getURI() )
+            .put( XSD.nonPositiveInteger.getURI(), XSD.integer.getURI() )
+            .put( XSD.dateTimeStamp.getURI(), XSD.dateTime.getURI() )
+            .put( XSD.yearMonthDuration.getURI(), XSD.duration.getURI() )
+            .put( XSD.dayTimeDuration.getURI(), XSD.duration.getURI() )
+            .build();
+
+      final String entry = castable.get( from );
+      if ( entry == null ) {
+         return false;
+      } else if ( entry.equals( to ) ) {
+         return true;
+      }
+      return transitivelyCastable( entry, to );
+   }
+
+   @Override
+   default boolean isTypeOrSubtypeOf( final Type other ) {
+      return transitivelyCastable( getUrn(), other.getUrn() );
+   }
+
+   default boolean hasStringLikeValueSpace() {
+      return ImmutableList.<String> builder()
+            .add( XSD.xstring.getURI() )
+            .add( XSD.date.getURI() )
+            .add( XSD.time.getURI() )
+            .add( XSD.dateTime.getURI() )
+            .add( XSD.dateTimeStamp.getURI() )
+            .add( XSD.gYear.getURI() )
+            .add( XSD.gMonth.getURI() )
+            .add( XSD.gDay.getURI() )
+            .add( XSD.gYearMonth.getURI() )
+            .add( XSD.gMonthDay.getURI() )
+            .add( XSD.duration.getURI() )
+            .add( XSD.yearMonthDuration.getURI() )
+            .add( XSD.dayTimeDuration.getURI() )
+            .add( XSD.hexBinary.getURI() )
+            .add( XSD.base64Binary.getURI() )
+            .add( XSD.anyURI.getURI() )
+            .add( SammNs.SAMM.curie().getURI() )
+            .add( RDF.langString.getURI() )
+            .build()
+            .contains( getUrn() );
+   }
 }

core/esmf-aspect-meta-model-interface/src/main/java/org/eclipse/esmf/metamodel/Type.java

@@ -29,6 +29,8 @@ default boolean isScalar() {
    default boolean isComplexType() {
       return false;
    }
+
+   boolean isTypeOrSubtypeOf( Type other );
 }
 
 

core/esmf-aspect-meta-model-interface/src/main/java/org/eclipse/esmf/metamodel/characteristic/Collection.java

@@ -24,20 +24,26 @@
  * @since SAMM 1.0.0
  */
 public interface Collection extends Characteristic {
-
    /**
     * @return a {@link boolean} which determines whether the elements in the collection are ordered.
     */
    boolean isOrdered();
 
+   /**
+    * @deprecated Use {@link #allowsDuplicates()} instead
+    */
+   @Deprecated( forRemoval = true )
+   default boolean isAllowDuplicates() {
+      return allowsDuplicates();
+   }
+
    /**
     * @return a {@link boolean} which determines whether the collection may contain duplicate values.
     */
-   boolean isAllowDuplicates();
+   boolean allowsDuplicates();
 
    /**
     * @return {@link Optional} containing the {@link Characteristic} describing the elements of the Collection
-    *
     * @since SAMM 1.0.0
     */
    default Optional<Characteristic> getElementCharacteristic() {

core/esmf-aspect-meta-model-interface/src/main/java/org/eclipse/esmf/metamodel/characteristic/StructuredValue.java

@@ -16,6 +16,7 @@
 import java.util.List;
 
 import org.eclipse.esmf.metamodel.Characteristic;
+import org.eclipse.esmf.metamodel.Property;
 
 /**
  * @since SAMM 1.0.0

core/esmf-aspect-meta-model-interface/src/main/java/org/eclipse/esmf/metamodel/constraint/RangeConstraint.java

@@ -28,29 +28,27 @@
 public interface RangeConstraint extends Constraint {
 
    /**
-    * @return the lower bound of the range. The type of the values is determined by the {@link Type} returned by
-    *       {@link RangeConstraint#getDataType()}.
+    * @return the lower bound of the range. The type of the values is determined by the {@link Type} of the Trait that the Constraint
+    * is used with.
     */
    Optional<ScalarValue> getMinValue();
 
    /**
-    * @return the upper bound of the range. The type of the values is determined by the {@link Type} returned by
-    *       {@link RangeConstraint#getDataType()}.
+    * @return the upper bound of the range. The type of the values is determined by the {@link Type} of the Trait that the Constraint
+    * is used with.
     */
    Optional<ScalarValue> getMaxValue();
 
    /**
     * @return the definition of how the lower bound of the range is to be interpreted. Possible values are
-    *       'OPEN', 'AT_LEAST' and 'GREATER_THAN'
-    *
+    * 'OPEN', 'AT_LEAST' and 'GREATER_THAN'
     * @since SAMM 1.0.0
     */
    BoundDefinition getLowerBoundDefinition();
 
    /**
     * @return the definition of how the upper bound of the range is to be interpreted. Possible values are
-    *       'OPEN', 'AT_MOST' and 'LESS_THAN'
-    *
+    * 'OPEN', 'AT_MOST' and 'LESS_THAN'
     * @since SAMM 1.0.0
     */
    BoundDefinition getUpperBoundDefinition();

core/esmf-aspect-meta-model-interface/src/main/java/org/eclipse/esmf/metamodel/datatype/SammXsdType.java

@@ -245,6 +245,10 @@ private SammXsdType( final Resource dataTypeResource, final XSSimpleType xstype,
          value -> URI.create( (String) XSDDatatype.XSDanyURI.parse( value ) ),
          URI::toString, XSDDatatype.XSDanyURI::isValid );
 
+   @SuppressWarnings( "checkstyle:LambdaParameterName" )
+   public static final SammXsdType<String> STRING = new SammXsdType<>(
+         org.apache.jena.vocabulary.XSD.xstring, String.class, Function.identity(), Function.identity(), __ -> true );
+
    public static final List<RDFDatatype> ALL_TYPES = List
          .of( XSDDatatype.XSDstring, BOOLEAN, DECIMAL, INTEGER, DOUBLE, FLOAT, DATE, TIME, DATE_TIME, DATE_TIME_STAMP,
                G_YEAR, G_MONTH, G_YEAR_MONTH, G_DAY, G_MONTH_DAY, DURATION, YEAR_MONTH_DURATION, DAY_TIME_DURATION,

core/esmf-aspect-meta-model-interface/src/main/java/org/eclipse/esmf/metamodel/vocabulary/RdfNamespace.java

@@ -53,10 +53,12 @@ default Resource resource( final String name ) {
    static Map<String, String> createPrefixMap( final KnownVersion metaModelVersion ) {
       final Map<String, String> result = new LinkedHashMap<>();
       final SAMM samm = new SAMM( metaModelVersion );
-      result.put( "samm", samm.getNamespace() );
-      result.put( "samm-c", new SAMMC( metaModelVersion ).getNamespace() );
+      result.put( samm.getShortForm(), samm.getNamespace() );
+      final SAMMC sammc = new SAMMC( metaModelVersion );
+      result.put( sammc.getShortForm(), sammc.getNamespace() );
       result.put( "samm-e", new SAMME( metaModelVersion, samm ).getNamespace() );
-      result.put( "unit", new UNIT( metaModelVersion, samm ).getNamespace() );
+      final UNIT unit = new UNIT( metaModelVersion, samm );
+      result.put( unit.getShortForm(), unit.getNamespace() );
       result.put( "rdf", RDF.getURI() );
       result.put( "rdfs", RDFS.getURI() );
       result.put( "xsd", XSD.getURI() );
@@ -65,10 +67,10 @@ static Map<String, String> createPrefixMap( final KnownVersion metaModelVersion
 
    static Map<String, String> createPrefixMap() {
       final Map<String, String> result = new LinkedHashMap<>();
-      result.put( "samm", SammNs.SAMM.getNamespace() );
-      result.put( "samm-c", SammNs.SAMMC.getNamespace() );
-      result.put( "samm-e", SammNs.SAMME.getNamespace() );
-      result.put( "unit", SammNs.UNIT.getNamespace() );
+      result.put( SammNs.SAMM.getShortForm(), SammNs.SAMM.getNamespace() );
+      result.put( SammNs.SAMMC.getShortForm(), SammNs.SAMMC.getNamespace() );
+      result.put( SammNs.SAMME.getShortForm(), SammNs.SAMME.getNamespace() );
+      result.put( SammNs.UNIT.getShortForm(), SammNs.UNIT.getNamespace() );
       result.put( "rdf", RDF.getURI() );
       result.put( "rdfs", RDFS.getURI() );
       result.put( "xsd", XSD.getURI() );

core/esmf-aspect-meta-model-interface/src/main/java/org/eclipse/esmf/metamodel/vocabulary/SAMM.java

@@ -12,8 +12,11 @@
  */
 package org.eclipse.esmf.metamodel.vocabulary;
 
+import java.util.List;
+
 import org.eclipse.esmf.samm.KnownVersion;
 
+import com.google.common.collect.ImmutableList;
 import org.apache.jena.rdf.model.Property;
 import org.apache.jena.rdf.model.Resource;