/// <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 node shape
RDFNodeShape nodeShape = shapesGraph.SelectShape(this.NodeShapeUri.ToString()) as RDFNodeShape;
if (nodeShape == null)
{
return(report);
}
#region Evaluation
foreach (RDFPatternMember valueNode in valueNodes)
{
RDFValidationReport nodeShapeReport = RDFValidationEngine.ValidateShape(shapesGraph, dataGraph, nodeShape, new List <RDFPatternMember>()
{
valueNode
});
if (!nodeShapeReport.Conforms)
{
report.AddResult(new RDFValidationResult(shape,
RDFVocabulary.SHACL.NODE_CONSTRAINT_COMPONENT,
focusNode,
shape is RDFPropertyShape ? ((RDFPropertyShape)shape).Path : null,
valueNode,
shape.Messages,
shape.Severity));
}
}
#endregion
return(report);
}
/// <summary>
/// Detects the inline instances of shacl:PropertyShape and populates the shapes graph with their definition
/// </summary>
private static void DetectInlinePropertyShapes(RDFGraph graph, RDFShapesGraph shapesGraph)
{
RDFGraph inlinePropertyShapes = graph.SelectTriplesByPredicate(RDFVocabulary.SHACL.PROPERTY);
foreach (RDFTriple inlinePropertyShape in inlinePropertyShapes)
{
//Inline property shapes are blank objects of "sh:property" constraints:
//we wont find their explicit shape definition within the shapes graph.
if (inlinePropertyShape.Object is RDFResource inlinePropertyShapeResource &&
inlinePropertyShapeResource.IsBlank &&
shapesGraph.SelectShape(inlinePropertyShapeResource.ToString()) == null)
{
RDFTriple inlinePropertyShapePath = graph.SelectTriplesBySubject(inlinePropertyShapeResource)
.SelectTriplesByPredicate(RDFVocabulary.SHACL.PATH)
.FirstOrDefault();
if (inlinePropertyShapePath != null &&
inlinePropertyShapePath.Object is RDFResource)
{
RDFPropertyShape propertyShape = new RDFPropertyShape(inlinePropertyShapeResource, (RDFResource)inlinePropertyShapePath.Object);
DetectShapeTargets(graph, propertyShape);
DetectShapeAttributes(graph, propertyShape);
DetectShapeNonValidatingAttributes(graph, propertyShape);
DetectShapeConstraints(graph, propertyShape);
shapesGraph.AddShape(propertyShape);
}
}
}
}
/// <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>
/// 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>
/// 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();
#region Evaluation
if (this.Closed)
{
//Extend ignored properties with paths of property constraints
List <RDFResource> allowedProperties = new List <RDFResource>(this.IgnoredProperties.Values);
IEnumerable <RDFPropertyConstraint> propertyConstraints = shape.Constraints.OfType <RDFPropertyConstraint>();
foreach (RDFPropertyConstraint propertyConstraint in propertyConstraints)
{
RDFPropertyShape propertyShape = shapesGraph.SelectShape(propertyConstraint.PropertyShapeUri.ToString()) as RDFPropertyShape;
if (propertyShape != null)
{
allowedProperties.Add(propertyShape.Path);
}
}
//Detect unallowed predicates
foreach (RDFPatternMember valueNode in valueNodes)
{
if (valueNode is RDFResource valueNodeResource)
{
RDFGraph valuenodeResourceGraph = dataGraph.SelectTriplesBySubject(valueNodeResource);
IEnumerable <RDFTriple> unallowedTriples = valuenodeResourceGraph.Where(t => !allowedProperties.Any(p => p.Equals(t.Predicate)));
foreach (RDFTriple unallowedTriple in unallowedTriples)
{
report.AddResult(new RDFValidationResult(shape,
RDFVocabulary.SHACL.CLOSED_CONSTRAINT_COMPONENT,
valueNodeResource,
unallowedTriple.Predicate as RDFResource,
unallowedTriple.Object,
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 property shape
RDFPropertyShape propertyShape = shapesGraph.SelectShape(this.PropertyShapeUri.ToString()) as RDFPropertyShape;
if (propertyShape == null)
{
return(report);
}
#region Evaluation
RDFValidationReport propertyShapeReport = RDFValidationEngine.ValidateShape(shapesGraph, dataGraph, propertyShape, valueNodes);
if (!propertyShapeReport.Conforms)
{
report.MergeResults(propertyShapeReport);
}
#endregion
return(report);
}
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);
}
}
