private static void ParseShapeTargets(DataRow shapesRow, RDFShape shape)
{
//sh:targetClass
if (!shapesRow.IsNull("?TARGETCLASS"))
{
shape.AddTarget(new RDFTargetClass(new RDFResource(shapesRow.Field <string>("?TARGETCLASS"))));
}
//sh:targetNode
if (!shapesRow.IsNull("?TARGETNODE"))
{
shape.AddTarget(new RDFTargetNode(new RDFResource(shapesRow.Field <string>("?TARGETNODE"))));
}
//sh:targetSubjectsOf
if (!shapesRow.IsNull("?TARGETSUBJECTSOF"))
{
shape.AddTarget(new RDFTargetSubjectsOf(new RDFResource(shapesRow.Field <string>("?TARGETSUBJECTSOF"))));
}
//sh:targetObjectsOf
if (!shapesRow.IsNull("?TARGETOBJECTSOF"))
{
shape.AddTarget(new RDFTargetObjectsOf(new RDFResource(shapesRow.Field <string>("?TARGETOBJECTSOF"))));
}
}
/// <summary>
/// Evaluates this constraint against the given data graph
/// </summary>
internal override RDFValidationReport ValidateConstraint(RDFShapesGraph shapesGraph, RDFGraph dataGraph, RDFShape shape, RDFPatternMember focusNode, List <RDFPatternMember> valueNodes)
{
RDFValidationReport report = new RDFValidationReport();
//Search for given not shape
RDFShape notShape = shapesGraph.SelectShape(this.NotShape.ToString());
if (notShape == null)
{
return(report);
}
#region Evaluation
foreach (RDFPatternMember valueNode in valueNodes)
{
RDFValidationReport notShapeReport = RDFValidationEngine.ValidateShape(shapesGraph, dataGraph, notShape, new List <RDFPatternMember>()
{
valueNode
});
if (notShapeReport.Conforms)
{
report.AddResult(new RDFValidationResult(shape,
RDFVocabulary.SHACL.NOT_CONSTRAINT_COMPONENT,
focusNode,
shape is RDFPropertyShape ? ((RDFPropertyShape)shape).Path : null,
valueNode,
shape.Messages,
shape.Severity));
}
}
#endregion
return(report);
}
internal static RDFShapesGraph FromRDFGraph(RDFGraph graph)
{
if (graph != null)
{
RDFShapesGraph result = new RDFShapesGraph(new RDFResource(graph.Context.ToString()));
RDFSelectQueryResult shapesResult = GetShapeQuery().ApplyToGraph(graph);
foreach (DataRow shapesRow in shapesResult.SelectResults.AsEnumerable())
{
RDFShape shape = ParseShapeType(shapesRow);
if (shape == null)
{
continue;
}
//Targets
ParseShapeTargets(shapesRow, shape);
//Attributes
ParseShapeAttributes(shapesRow, shape);
//Constraints
ParseShapeConstraints(shapesRow, graph, shape);
//Merge
MergeShape(result, shape);
}
return(result);
}
return(null);
}
/// <summary>
/// Gets a graph representation of this constraint
/// </summary>
internal override RDFGraph ToRDFGraph(RDFShape shape)
{
RDFGraph result = new RDFGraph();
if (shape != null)
{
//Get collection from inValues
RDFCollection inValues = new RDFCollection(this.ItemType)
{
InternalReificationSubject = this
};
foreach (RDFPatternMember inValue in this.InValues.Values)
{
if (this.ItemType == RDFModelEnums.RDFItemTypes.Literal)
{
inValues.AddItem((RDFLiteral)inValue);
}
else
{
inValues.AddItem((RDFResource)inValue);
}
}
result.AddCollection(inValues);
//sh:in
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.IN, inValues.ReificationSubject));
}
return(result);
}
/// <summary>
/// Gets a graph representation of this constraint
/// </summary>
internal override RDFGraph ToRDFGraph(RDFShape shape)
{
RDFGraph result = new RDFGraph();
if (shape != null)
{
//sh:closed
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.CLOSED, new RDFTypedLiteral(this.Closed.ToString(), RDFModelEnums.RDFDatatypes.XSD_BOOLEAN)));
//Get collection from ignored properties
RDFCollection ignoredProperties = new RDFCollection(RDFModelEnums.RDFItemTypes.Resource)
{
InternalReificationSubject = this
};
foreach (RDFResource ignoredProperty in this.IgnoredProperties.Values)
{
ignoredProperties.AddItem(ignoredProperty);
}
result.AddCollection(ignoredProperties);
//sh:ignoredProperties
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.IGNORED_PROPERTIES, ignoredProperties.ReificationSubject));
}
return(result);
}
/// <summary>
/// Gets a graph representation of this constraint
/// </summary>
internal override RDFGraph ToRDFGraph(RDFShape shape)
{
RDFGraph result = new RDFGraph();
if (shape != null)
{
//sh:pattern
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.PATTERN, new RDFTypedLiteral(this.RegEx.ToString(), RDFModelEnums.RDFDatatypes.XSD_STRING)));
//sh:flags
StringBuilder regexFlags = new StringBuilder();
if (this.RegEx.Options.HasFlag(RegexOptions.IgnoreCase))
{
regexFlags.Append("i");
}
if (this.RegEx.Options.HasFlag(RegexOptions.Singleline))
{
regexFlags.Append("s");
}
if (this.RegEx.Options.HasFlag(RegexOptions.Multiline))
{
regexFlags.Append("m");
}
if (this.RegEx.Options.HasFlag(RegexOptions.IgnorePatternWhitespace))
{
regexFlags.Append("x");
}
if (regexFlags.ToString() != string.Empty)
{
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.FLAGS, new RDFTypedLiteral(regexFlags.ToString(), RDFModelEnums.RDFDatatypes.XSD_STRING)));
}
}
return(result);
}
private static RDFShape ParseShapeType(DataRow shapesRow)
{
RDFShape shape = null;
//sh:NodeShape
if (!shapesRow.IsNull("?NSHAPE"))
{
shape = new RDFNodeShape(new RDFResource(shapesRow.Field <string>("?NSHAPE")));
}
//sh:PropertyShape
else if (!shapesRow.IsNull("?PSHAPE") && !shapesRow.IsNull("?PATH"))
{
shape = new RDFPropertyShape(new RDFResource(shapesRow.Field <string>("?PSHAPE")), new RDFResource(shapesRow.Field <string>("?PATH")));
//sh:description
if (!shapesRow.IsNull("?DESCRIPTION"))
{
RDFPatternMember description = RDFQueryUtilities.ParseRDFPatternMember(shapesRow.Field <string>("?DESCRIPTION"));
if (description is RDFLiteral)
{
((RDFPropertyShape)shape).AddDescription((RDFLiteral)description);
}
}
//sh:name
if (!shapesRow.IsNull("?NAME"))
{
RDFPatternMember name = RDFQueryUtilities.ParseRDFPatternMember(shapesRow.Field <string>("?NAME"));
if (name is RDFLiteral)
{
((RDFPropertyShape)shape).AddName((RDFLiteral)name);
}
}
//sh:group
if (!shapesRow.IsNull("?GROUP"))
{
RDFPatternMember group = RDFQueryUtilities.ParseRDFPatternMember(shapesRow.Field <string>("?GROUP"));
if (group is RDFResource)
{
((RDFPropertyShape)shape).SetGroup((RDFResource)group);
}
}
//sh:order
if (!shapesRow.IsNull("?ORDER"))
{
RDFPatternMember order = RDFQueryUtilities.ParseRDFPatternMember(shapesRow.Field <string>("?ORDER"));
if (order is RDFTypedLiteral && ((RDFTypedLiteral)order).Datatype.Equals(RDFModelEnums.RDFDatatypes.XSD_INTEGER))
{
((RDFPropertyShape)shape).SetOrder(int.Parse(((RDFTypedLiteral)order).Value));
}
}
}
return(shape);
}
/// <summary>
/// Gets a graph representation of this constraint
/// </summary>
internal override RDFGraph ToRDFGraph(RDFShape shape)
{
RDFGraph result = new RDFGraph();
if (shape != null)
{
//sh:disjoint
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.DISJOINT, this.DisjointPredicate));
}
return(result);
}
/// <summary>
/// Gets a graph representation of this constraint
/// </summary>
internal override RDFGraph ToRDFGraph(RDFShape shape)
{
RDFGraph result = new RDFGraph();
if (shape != null)
{
//sh:equals
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.EQUALS, this.EqualsPredicate));
}
return(result);
}
/// <summary>
/// Gets a graph representation of this constraint
/// </summary>
internal override RDFGraph ToRDFGraph(RDFShape shape)
{
RDFGraph result = new RDFGraph();
if (shape != null)
{
//sh:uniqueLang
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.UNIQUE_LANG, this.UniqueLang ? RDFTypedLiteral.True : RDFTypedLiteral.False));
}
return(result);
}
/// <summary>
/// Evaluates this constraint against the given data graph
/// </summary>
internal override RDFValidationReport ValidateConstraint(RDFShapesGraph shapesGraph, RDFGraph dataGraph, RDFShape shape, RDFPatternMember focusNode, List <RDFPatternMember> valueNodes)
{
RDFValidationReport report = new RDFValidationReport();
//Search for given qualified value shape
RDFShape qualifiedValueShape = shapesGraph.SelectShape(this.QualifiedValueShapeUri.ToString());
if (qualifiedValueShape == null)
{
return(report);
}
#region Evaluation
if (this.QualifiedValueMinCount.HasValue || this.QualifiedValueMaxCount.HasValue)
{
int conformingValues = 0;
foreach (RDFPatternMember valueNode in valueNodes)
{
RDFValidationReport qualifiedValueShapeReport = RDFValidationEngine.ValidateShape(shapesGraph, dataGraph, qualifiedValueShape, new List <RDFPatternMember>()
{
valueNode
});
if (qualifiedValueShapeReport.Conforms)
{
conformingValues++;
}
}
if (this.QualifiedValueMinCount.HasValue && conformingValues < this.QualifiedValueMinCount)
{
report.AddResult(new RDFValidationResult(shape,
RDFVocabulary.SHACL.QUALIFIED_MIN_COUNT_CONSTRAINT_COMPONENT,
focusNode,
shape is RDFPropertyShape ? ((RDFPropertyShape)shape).Path : null,
null,
shape.Messages,
shape.Severity));
}
if (this.QualifiedValueMaxCount.HasValue && conformingValues > this.QualifiedValueMaxCount)
{
report.AddResult(new RDFValidationResult(shape,
RDFVocabulary.SHACL.QUALIFIED_MAX_COUNT_CONSTRAINT_COMPONENT,
focusNode,
shape is RDFPropertyShape ? ((RDFPropertyShape)shape).Path : null,
null,
shape.Messages,
shape.Severity));
}
}
#endregion
return(report);
}
/// <summary>
/// Gets a graph representation of this constraint
/// </summary>
internal override RDFGraph ToRDFGraph(RDFShape shape)
{
RDFGraph result = new RDFGraph();
if (shape != null)
{
//sh:datatype
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.DATATYPE, new RDFResource(RDFModelUtilities.GetDatatypeFromEnum(this.Datatype))));
}
return(result);
}
/// <summary>
/// Gets a graph representation of this constraint
/// </summary>
internal override RDFGraph ToRDFGraph(RDFShape shape)
{
RDFGraph result = new RDFGraph();
if (shape != null)
{
//sh:uniqueLang
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.UNIQUE_LANG, new RDFTypedLiteral(this.UniqueLang.ToString(), RDFModelEnums.RDFDatatypes.XSD_BOOLEAN)));
}
return(result);
}
/// <summary>
/// Gets a graph representation of this constraint
/// </summary>
internal override RDFGraph ToRDFGraph(RDFShape shape)
{
RDFGraph result = new RDFGraph();
if (shape != null)
{
//sh:property
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.PROPERTY, this.PropertyShapeUri));
}
return(result);
}
/// <summary>
/// Gets a graph representation of this constraint
/// </summary>
internal override RDFGraph ToRDFGraph(RDFShape shape)
{
RDFGraph result = new RDFGraph();
if (shape != null)
{
//sh:maxCount
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.MAX_COUNT, new RDFTypedLiteral(this.MaxCount.ToString(), RDFModelEnums.RDFDatatypes.XSD_INTEGER)));
}
return(result);
}
/// <summary>
/// Gets a graph representation of this constraint
/// </summary>
internal override RDFGraph ToRDFGraph(RDFShape shape)
{
RDFGraph result = new RDFGraph();
if (shape != null)
{
//sh:lessThan
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.LESS_THAN, this.LessThanPredicate));
}
return(result);
}
/// <summary>
/// Gets a graph representation of this constraint
/// </summary>
internal override RDFGraph ToRDFGraph(RDFShape shape)
{
RDFGraph result = new RDFGraph();
if (shape != null)
{
//sh:class
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.CLASS, this.ClassType));
}
return(result);
}
/// <summary>
/// Gets a graph representation of this constraint
/// </summary>
internal override RDFGraph ToRDFGraph(RDFShape shape)
{
RDFGraph result = new RDFGraph();
if (shape != null)
{
//sh:node
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.NODE, this.NodeShapeUri));
}
return(result);
}
/// <summary>
/// Gets a graph representation of this constraint
/// </summary>
internal override RDFGraph ToRDFGraph(RDFShape shape)
{
RDFGraph result = new RDFGraph();
if (shape != null) {
//sh:hasValue
if (this.Value is RDFResource)
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.HAS_VALUE, (RDFResource)this.Value));
else
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.HAS_VALUE, (RDFLiteral)this.Value));
}
return result;
}
/// <summary>
/// Evaluates this constraint against the given data graph
/// </summary>
internal override RDFValidationReport ValidateConstraint(RDFShapesGraph shapesGraph, RDFGraph dataGraph, RDFShape shape, RDFPatternMember focusNode, List <RDFPatternMember> valueNodes)
{
RDFValidationReport report = new RDFValidationReport();
//Search for given and shapes
List <RDFShape> andShapes = new List <RDFShape>();
foreach (RDFResource andShapeUri in this.AndShapes.Values)
{
RDFShape andShape = shapesGraph.SelectShape(andShapeUri.ToString());
if (andShape != null)
{
andShapes.Add(andShape);
}
}
#region Evaluation
foreach (RDFPatternMember valueNode in valueNodes)
{
bool valueNodeConforms = true;
foreach (RDFShape andShape in andShapes)
{
RDFValidationReport andShapeReport = RDFValidationEngine.ValidateShape(shapesGraph, dataGraph, andShape, new List <RDFPatternMember>()
{
valueNode
});
if (!andShapeReport.Conforms)
{
valueNodeConforms = false;
break;
}
}
if (!valueNodeConforms)
{
report.AddResult(new RDFValidationResult(shape,
RDFVocabulary.SHACL.AND_CONSTRAINT_COMPONENT,
focusNode,
shape is RDFPropertyShape ? ((RDFPropertyShape)shape).Path : null,
valueNode,
shape.Messages,
shape.Severity));
}
}
#endregion
return(report);
}
/// <summary>
/// Evaluates this constraint against the given data graph
/// </summary>
internal override RDFValidationReport ValidateConstraint(RDFShapesGraph shapesGraph, RDFGraph dataGraph, RDFShape shape, RDFPatternMember focusNode, List <RDFPatternMember> valueNodes)
{
RDFValidationReport report = new RDFValidationReport();
//Search for given xone shapes
List <RDFShape> xoneShapes = new List <RDFShape>();
foreach (RDFResource xoneShapeUri in this.XoneShapes.Values)
{
RDFShape xoneShape = shapesGraph.SelectShape(xoneShapeUri.ToString());
if (xoneShape != null)
{
xoneShapes.Add(xoneShape);
}
}
#region Evaluation
foreach (RDFPatternMember valueNode in valueNodes)
{
int valueNodeConformsCounter = 0;
foreach (RDFShape xoneShape in xoneShapes)
{
RDFValidationReport xoneShapeReport = RDFValidationEngine.ValidateShape(shapesGraph, dataGraph, xoneShape, new List <RDFPatternMember>()
{
valueNode
});
if (xoneShapeReport.Conforms)
{
valueNodeConformsCounter++;
}
}
if (valueNodeConformsCounter != 1)
{
report.AddResult(new RDFValidationResult(shape,
RDFVocabulary.SHACL.XONE_CONSTRAINT_COMPONENT,
focusNode,
shape is RDFPropertyShape ? ((RDFPropertyShape)shape).Path : null,
valueNode,
shape.Messages,
shape.Severity));
}
}
#endregion
return(report);
}
/// <summary>
/// Gets a graph representation of this constraint
/// </summary>
internal override RDFGraph ToRDFGraph(RDFShape shape)
{
RDFGraph result = new RDFGraph();
if (shape != null)
{
//sh:maxExclusive
if (this.Value is RDFResource)
{
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.MAX_EXCLUSIVE, (RDFResource)this.Value));
}
else
{
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.MAX_EXCLUSIVE, (RDFLiteral)this.Value));
}
}
return(result);
}
/// <summary>
/// Gets a graph representation of this constraint
/// </summary>
internal override RDFGraph ToRDFGraph(RDFShape shape)
{
RDFGraph result = new RDFGraph();
if (shape != null)
{
//Get collection from language tags
RDFCollection languageTags = new RDFCollection(RDFModelEnums.RDFItemTypes.Literal)
{
InternalReificationSubject = this
};
foreach (string languageTag in this.LanguageTags)
{
languageTags.AddItem(new RDFPlainLiteral(languageTag));
}
result.AddCollection(languageTags);
//sh:languageIn
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.LANGUAGE_IN, languageTags.ReificationSubject));
}
return(result);
}
/// <summary>
/// Detects the attributes of the given shape
/// </summary>
private static void DetectShapeAttributes(RDFGraph graph, RDFShape shape)
{
RDFGraph shapeDefinition = graph.SelectTriplesBySubject(shape);
//sh:severity (accepted occurrences: 1)
RDFTriple shapeSeverity = shapeDefinition.SelectTriplesByPredicate(RDFVocabulary.SHACL.SEVERITY_PROPERTY).FirstOrDefault();
if (shapeSeverity != null)
{
if (shapeSeverity.Object.Equals(RDFVocabulary.SHACL.INFO))
{
shape.SetSeverity(RDFValidationEnums.RDFShapeSeverity.Info);
}
else if (shapeSeverity.Object.Equals(RDFVocabulary.SHACL.WARNING))
{
shape.SetSeverity(RDFValidationEnums.RDFShapeSeverity.Warning);
}
}
//sh:deactivated (accepted occurrences: 1)
RDFTriple shapeDeactivated = shapeDefinition.SelectTriplesByPredicate(RDFVocabulary.SHACL.DEACTIVATED).FirstOrDefault();
if (shapeDeactivated != null)
{
if (shapeDeactivated.Object is RDFTypedLiteral shapeDeactivatedLiteral &&
shapeDeactivatedLiteral.HasBooleanDatatype() && bool.Parse(shapeDeactivatedLiteral.Value))
{
shape.Deactivate();
}
}
//sh:message (accepted occurrences: N)
RDFGraph shapeMessages = shapeDefinition.SelectTriplesByPredicate(RDFVocabulary.SHACL.MESSAGE);
foreach (RDFTriple shapeMessage in shapeMessages.Where(t => t.TripleFlavor == RDFModelEnums.RDFTripleFlavors.SPL))
{
shape.AddMessage((RDFLiteral)shapeMessage.Object);
}
}
/// <summary>
/// Gets a graph representation of this constraint
/// </summary>
internal override RDFGraph ToRDFGraph(RDFShape shape)
{
RDFGraph result = new RDFGraph();
if (shape != null)
{
//Get collection from xoneShapes
RDFCollection xoneShapes = new RDFCollection(RDFModelEnums.RDFItemTypes.Resource)
{
InternalReificationSubject = this
};
foreach (RDFResource xoneShape in this.XoneShapes.Values)
{
xoneShapes.AddItem(xoneShape);
}
result.AddCollection(xoneShapes);
//sh:xone
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.XONE, xoneShapes.ReificationSubject));
}
return(result);
}
private static void MergeShape(RDFShapesGraph result, RDFShape shape)
{
RDFShape existingShape = result.SelectShape(shape.ToString());
if (existingShape == null)
{
result.AddShape(shape);
}
else
{
existingShape.Targets.AddRange(shape.Targets);
existingShape.Constraints.AddRange(shape.Constraints);
existingShape.Messages.AddRange(shape.Messages);
if (existingShape is RDFPropertyShape && shape is RDFPropertyShape)
{
((RDFPropertyShape)existingShape).Descriptions.AddRange(((RDFPropertyShape)shape).Descriptions);
((RDFPropertyShape)existingShape).Names.AddRange(((RDFPropertyShape)shape).Names);
}
result.RemoveShape(existingShape);
result.AddShape(existingShape);
}
}
/// <summary>
/// Gets a graph representation of this constraint
/// </summary>
internal override RDFGraph ToRDFGraph(RDFShape shape)
{
RDFGraph result = new RDFGraph();
if (shape != null)
{
//sh:qualifiedValueShape
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.QUALIFIED_VALUE_SHAPE, this.QualifiedValueShapeUri));
//sh:qualifiedMinCount
if (this.QualifiedValueMinCount.HasValue)
{
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.QUALIFIED_MIN_COUNT, new RDFTypedLiteral(this.QualifiedValueMinCount.ToString(), RDFModelEnums.RDFDatatypes.XSD_INTEGER)));
}
//sh:qualifiedMaxCount
if (this.QualifiedValueMaxCount.HasValue)
{
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.QUALIFIED_MAX_COUNT, new RDFTypedLiteral(this.QualifiedValueMaxCount.ToString(), RDFModelEnums.RDFDatatypes.XSD_INTEGER)));
}
}
return(result);
}
private static void ParseShapeAttributes(DataRow shapesRow, RDFShape shape)
{
//sh:severity
if (!shapesRow.IsNull("?SEVERITY"))
{
if (shapesRow.Field <string>("?SEVERITY").Equals(RDFVocabulary.SHACL.INFO.ToString()))
{
shape.SetSeverity(RDFValidationEnums.RDFShapeSeverity.Info);
}
else if (shapesRow.Field <string>("?SEVERITY").Equals(RDFVocabulary.SHACL.WARNING.ToString()))
{
shape.SetSeverity(RDFValidationEnums.RDFShapeSeverity.Warning);
}
}
//sh:deactivated
if (!shapesRow.IsNull("?DEACTIVATED"))
{
RDFPatternMember deactivated = RDFQueryUtilities.ParseRDFPatternMember(shapesRow.Field <string>("?DEACTIVATED"));
if (deactivated is RDFTypedLiteral &&
((RDFTypedLiteral)deactivated).HasBooleanDatatype() &&
Boolean.Parse(((RDFTypedLiteral)deactivated).Value))
{
shape.Deactivate();
}
}
//sh:message
if (!shapesRow.IsNull("?MESSAGE"))
{
RDFPatternMember message = RDFQueryUtilities.ParseRDFPatternMember(shapesRow.Field <string>("?MESSAGE"));
if (message is RDFLiteral)
{
shape.AddMessage((RDFLiteral)message);
}
}
}
/// <summary>
/// Detects the targets of the given shape
/// </summary>
private static void DetectShapeTargets(RDFGraph graph, RDFShape shape)
{
RDFGraph shapeDefinition = graph.SelectTriplesBySubject(shape);
//sh:TargetClass (accepted occurrences: N)
RDFGraph targetClasses = shapeDefinition.SelectTriplesByPredicate(RDFVocabulary.SHACL.TARGET_CLASS);
foreach (RDFTriple targetClass in targetClasses.Where(t => t.TripleFlavor == RDFModelEnums.RDFTripleFlavors.SPO))
{
shape.AddTarget(new RDFTargetClass((RDFResource)targetClass.Object));
}
//sh:TargetNode (accepted occurrences: N)
RDFGraph targetNodes = shapeDefinition.SelectTriplesByPredicate(RDFVocabulary.SHACL.TARGET_NODE);
foreach (RDFTriple targetNode in targetNodes.Where(t => t.TripleFlavor == RDFModelEnums.RDFTripleFlavors.SPO))
{
shape.AddTarget(new RDFTargetNode((RDFResource)targetNode.Object));
}
//sh:TargetSubjectsOf (accepted occurrences: N)
RDFGraph targetSubjectsOf = shapeDefinition.SelectTriplesByPredicate(RDFVocabulary.SHACL.TARGET_SUBJECTS_OF);
foreach (RDFTriple targetSubjectOf in targetSubjectsOf.Where(t => t.TripleFlavor == RDFModelEnums.RDFTripleFlavors.SPO))
{
shape.AddTarget(new RDFTargetSubjectsOf((RDFResource)targetSubjectOf.Object));
}
//sh:TargetObjectsOf (accepted occurrences: N)
RDFGraph targetObjectsOf = shapeDefinition.SelectTriplesByPredicate(RDFVocabulary.SHACL.TARGET_OBJECTS_OF);
foreach (RDFTriple targetObjectOf in targetObjectsOf.Where(t => t.TripleFlavor == RDFModelEnums.RDFTripleFlavors.SPO))
{
shape.AddTarget(new RDFTargetObjectsOf((RDFResource)targetObjectOf.Object));
}
}
/// <summary>
/// Gets a graph representation of this constraint
/// </summary>
internal override RDFGraph ToRDFGraph(RDFShape shape)
{
RDFGraph result = new RDFGraph();
if (shape != null)
{
//sh:nodeKind
switch (this.NodeKind)
{
case RDFValidationEnums.RDFNodeKinds.BlankNode:
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.NODE_KIND, RDFVocabulary.SHACL.BLANK_NODE));
break;
case RDFValidationEnums.RDFNodeKinds.BlankNodeOrIRI:
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.NODE_KIND, RDFVocabulary.SHACL.BLANK_NODE_OR_IRI));
break;
case RDFValidationEnums.RDFNodeKinds.BlankNodeOrLiteral:
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.NODE_KIND, RDFVocabulary.SHACL.BLANK_NODE_OR_LITERAL));
break;
case RDFValidationEnums.RDFNodeKinds.IRI:
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.NODE_KIND, RDFVocabulary.SHACL.IRI));
break;
case RDFValidationEnums.RDFNodeKinds.IRIOrLiteral:
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.NODE_KIND, RDFVocabulary.SHACL.IRI_OR_LITERAL));
break;
case RDFValidationEnums.RDFNodeKinds.Literal:
result.AddTriple(new RDFTriple(shape, RDFVocabulary.SHACL.NODE_KIND, RDFVocabulary.SHACL.LITERAL));
break;
}
}
return(result);
}
