Added helper method ToEntity<T>

Author: Marco De Salvo

OWLSharp.Test/Validator/OWLValidatorTest.cs

@@ -208,7 +208,7 @@ public async Task ShouldAnalyzeTopBottomAsync()
 
         Assert.IsNotNull(issues);
         Assert.HasCount(1, issues);
-        Assert.IsTrue(issues.TrueForAll(iss => iss.Severity == OWLEnums.OWLIssueSeverity.Warning));
+        Assert.IsTrue(issues.TrueForAll(iss => iss.Severity == OWLEnums.OWLIssueSeverity.Error));
         Assert.IsTrue(issues.TrueForAll(iss => string.Equals(iss.RuleName, OWLTopBottomAnalysisRule.rulename)));
         Assert.IsTrue(issues.TrueForAll(iss => string.Equals(iss.Description, "Detected object property axioms causing reserved owl:topObjectProperty property to not be the root object property of the ontology")));
         Assert.IsTrue(issues.TrueForAll(iss => string.Equals(iss.Suggestion, OWLTopBottomAnalysisRule.rulesuggT1)));

OWLSharp.Test/Validator/RuleSet/OWLTopBottomAnalysisRuleTest.cs

@@ -48,7 +48,7 @@ public void ShouldAnalyzeTopBottomT1Case()
 
         Assert.IsNotNull(issues);
         Assert.HasCount(1, issues);
-        Assert.IsTrue(issues.TrueForAll(iss => iss.Severity == OWLEnums.OWLIssueSeverity.Warning));
+        Assert.IsTrue(issues.TrueForAll(iss => iss.Severity == OWLEnums.OWLIssueSeverity.Error));
         Assert.IsTrue(issues.TrueForAll(iss => string.Equals(iss.RuleName, OWLTopBottomAnalysisRule.rulename)));
         Assert.IsTrue(issues.TrueForAll(iss => string.Equals(iss.Description, "Detected object property axioms causing reserved owl:topObjectProperty property to not be the root object property of the ontology")));
         Assert.IsTrue(issues.TrueForAll(iss => string.Equals(iss.Suggestion, OWLTopBottomAnalysisRule.rulesuggT1)));
@@ -79,7 +79,7 @@ public void ShouldAnalyzeTopBottomT2Case()
 
         Assert.IsNotNull(issues);
         Assert.HasCount(1, issues);
-        Assert.IsTrue(issues.TrueForAll(iss => iss.Severity == OWLEnums.OWLIssueSeverity.Warning));
+        Assert.IsTrue(issues.TrueForAll(iss => iss.Severity == OWLEnums.OWLIssueSeverity.Error));
         Assert.IsTrue(issues.TrueForAll(iss => string.Equals(iss.RuleName, OWLTopBottomAnalysisRule.rulename)));
         Assert.IsTrue(issues.TrueForAll(iss => string.Equals(iss.Description, "Detected data property axioms causing reserved owl:topDataProperty property to not be the root data property of the ontology")));
         Assert.IsTrue(issues.TrueForAll(iss => string.Equals(iss.Suggestion, OWLTopBottomAnalysisRule.rulesuggT2)));
@@ -110,7 +110,7 @@ public void ShouldAnalyzeTopBottomB1Case()
 
         Assert.IsNotNull(issues);
         Assert.HasCount(1, issues);
-        Assert.IsTrue(issues.TrueForAll(iss => iss.Severity == OWLEnums.OWLIssueSeverity.Warning));
+        Assert.IsTrue(issues.TrueForAll(iss => iss.Severity == OWLEnums.OWLIssueSeverity.Error));
         Assert.IsTrue(issues.TrueForAll(iss => string.Equals(iss.RuleName, OWLTopBottomAnalysisRule.rulename)));
         Assert.IsTrue(issues.TrueForAll(iss => string.Equals(iss.Description, "Detected object property axioms causing reserved owl:bottomObjectProperty property to not be the bottom object property of the ontology")));
         Assert.IsTrue(issues.TrueForAll(iss => string.Equals(iss.Suggestion, OWLTopBottomAnalysisRule.rulesuggB1)));
@@ -141,7 +141,7 @@ public void ShouldAnalyzeTopBottomB2Case()
 
         Assert.IsNotNull(issues);
         Assert.HasCount(1, issues);
-        Assert.IsTrue(issues.TrueForAll(iss => iss.Severity == OWLEnums.OWLIssueSeverity.Warning));
+        Assert.IsTrue(issues.TrueForAll(iss => iss.Severity == OWLEnums.OWLIssueSeverity.Error));
         Assert.IsTrue(issues.TrueForAll(iss => string.Equals(iss.RuleName, OWLTopBottomAnalysisRule.rulename)));
         Assert.IsTrue(issues.TrueForAll(iss => string.Equals(iss.Description, "Detected data property axioms causing reserved owl:bottomDataProperty property to not be the bottom data property of the ontology")));
         Assert.IsTrue(issues.TrueForAll(iss => string.Equals(iss.Suggestion, OWLTopBottomAnalysisRule.rulesuggB2)));

OWLSharp/Ontology/Helpers/OWLExpressionHelper.cs

@@ -14,16 +14,47 @@ You may obtain a copy of the License at
    limitations under the License.
 */
 
+using RDFSharp.Model;
 using System.Collections.Generic;
 
 namespace OWLSharp.Ontology
 {
     /// <summary>
     /// OWLExpressionHelper simplifies expression modeling with a set of facilities
     /// </summary>
-    internal static class OWLExpressionHelper
+    public static class OWLExpressionHelper
     {
         #region Methods
+        /// <summary>
+        /// Gets an entity of the given type from the given RDF resource
+        /// </summary>
+        public static T ToEntity<T>(this RDFResource iri) where T : IOWLEntity
+        {
+            object entity = null;
+            switch (typeof(T).Name)
+            {
+                case nameof(OWLClass):
+                    entity = new OWLClass(iri);
+                    break;
+                case nameof(OWLDatatype):
+                    entity = new OWLDatatype(iri);
+                    break;
+                case nameof(OWLNamedIndividual):
+                    entity = new OWLNamedIndividual(iri);
+                    break;
+                case nameof(OWLAnnotationProperty):
+                    entity = new OWLAnnotationProperty(iri);
+                    break;
+                case nameof(OWLDataProperty):
+                    entity = new OWLDataProperty(iri);
+                    break;
+                case nameof(OWLObjectProperty):
+                    entity = new OWLObjectProperty(iri);
+                    break;
+            }
+            return (T)entity;
+        }
+
         /// <summary>
         /// Removes the duplicate expressions from the given list
         /// </summary>