public static boolean isNativeConstraint(RDFNode node) {
if (node != null && node.isAnon()) {
if (((Resource) node).hasProperty(RDF.type, SH.NativeConstraint)) {
return true;
}
if (!((Resource) node).hasProperty(RDF.type)) {
return SH.NativeConstraint.equals(SHACLUtil.getDefaultTemplateType((Resource) node));
}
}
return false;
}
private static void init(Personality<RDFNode> p) {
p.add(
SHACLArgument.class,
new SimpleImplementation(SH.Argument.asNode(), SHACLArgumentImpl.class));
p.add(
SHACLConstraintViolation.class,
new SimpleImplementation(
SH.ConstraintViolation.asNode(), SHACLConstraintViolationImpl.class));
p.add(
SHACLFunction.class,
new SimpleImplementation(SH.Function.asNode(), SHACLFunctionImpl.class));
p.add(
SHACLPropertyConstraint.class,
new SimpleImplementation(
SH.PropertyConstraint.asNode(), SHACLPropertyConstraintImpl.class));
p.add(
SHACLDerivedPropertyConstraint.class,
new SimpleImplementation(
SH.DerivedPropertyConstraint.asNode(), SHACLDerivedPropertyConstraintImpl.class));
p.add(SHACLShape.class, new SimpleImplementation(SH.Shape.asNode(), SHACLShapeImpl.class));
p.add(
SHACLNativeConstraint.class,
new SimpleImplementation(SH.NativeConstraint.asNode(), SHACLNativeConstraintImpl.class));
p.add(
SHACLNativeRule.class,
new SimpleImplementation(SH.NativeRule.asNode(), SHACLNativeRuleImpl.class));
p.add(
SHACLNativeScope.class,
new SimpleImplementation(SH.NativeScope.asNode(), SHACLNativeScopeImpl.class));
p.add(
SHACLTemplate.class,
new SimpleImplementation(SH.Template.asNode(), SHACLTemplateImpl.class));
p.add(
SHACLTemplateCall.class,
new SimpleImplementation(SH.Templates.asNode(), SHACLTemplateCallImpl.class));
p.add(
SHACLTemplateConstraint.class,
new SimpleImplementation(
SH.TemplateConstraint.asNode(), SHACLTemplateConstraintImpl.class));
p.add(
SHACLTemplateRule.class,
new SimpleImplementation(SH.TemplateRule.asNode(), SHACLTemplateRuleImpl.class));
p.add(
SHACLTemplateScope.class,
new SimpleImplementation(SH.TemplateScope.asNode(), SHACLTemplateScopeImpl.class));
FunctionRegistry.get().put(SH.hasShape.getURI(), HasShapeFunction.class);
PropertyFunctionRegistry.get().put(ScopeContainsPFunction.URI, ScopeContainsPFunction.class);
}
/**
* Checks if a given RDFNode represents a template call. It either needs to be an instance of an
* instance of sh:Template, or be a typeless blank node that has an incoming edge via a property
* such as sh:property, that has a declared sh:defaultType.
*
* @param node the node to check
* @return true if node is a template call
*/
public static boolean isTemplateCall(RDFNode node) {
if (node != null && node.isResource()) {
Resource resource = (Resource) node;
// Return true if this has sh:Template as its metaclass
for (Resource type : JenaUtil.getTypes(resource)) {
if (JenaUtil.hasIndirectType(type, SH.Template)) {
return true;
}
}
// If this is a typeless blank node, check for defaultType of incoming references
if (resource.isAnon() && !resource.hasProperty(RDF.type)) {
Resource dt = SHACLUtil.getDefaultTemplateType(resource);
if (dt != null
&& !SH.NativeConstraint.equals(dt)
&& !SH.NativeScope.equals(dt)
&& !SH.NativeRule.equals(dt)) {
return true;
}
}
}
return false;
}