public static boolean isNativeRule(RDFNode node) {
if (node != null && node.isAnon()) {
if (((Resource) node).hasProperty(RDF.type, SH.NativeRule)) {
return true;
}
if (!((Resource) node).hasProperty(RDF.type)) {
return SH.NativeRule.equals(SHACLUtil.getDefaultTemplateType((Resource) node));
}
}
return false;
}
/**
* 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;
}