/**
* generate class elements from the set of class uris
*
* @param classes
* @return
*/
List<OntologyElement> returnClassElements(Set<String> classes) throws Exception {
List<OntologyElement> elements = new ArrayList<OntologyElement>();
for (String euri : classes) {
SerializableURI elementUri = null;
try {
elementUri = new SerializableURI(euri, false);
} catch (Exception e) {
e.printStackTrace();
}
OntologyElement e = new ClassElement();
e.setData(elementUri);
elements.add(e);
}
return elements;
}
/**
* finds elements which are the top most in the ontology...
*
* @return
*/
private List<OntologyElement> findGenericOntologyElements(Integer max) throws Exception {
List<OntologyElement> elements = new ArrayList<OntologyElement>();
Set<String> suggestions = luceneAnnotator.findPropertyURIs(max);
// now remove all that are after max
List<String> list = new ArrayList<String>(suggestions);
if (suggestions != null && suggestions.size() > max) {
for (int i = max; i < suggestions.size(); i++) {
String prop = list.get(i);
suggestions.remove(prop);
}
}
elements.addAll(returnPropertyElements(suggestions));
long start = System.currentTimeMillis();
Set<String> classUris = luceneAnnotator.findTopClasses();
long end = System.currentTimeMillis();
logger.info("Finished searching lucene for top classes for:" + (end - start) + "ms.");
if (classUris == null) classUris = new HashSet();
logger.info("Found " + classUris.size() + " top classes.");
// now remove all that are after max
List<String> newList = new ArrayList<String>(classUris);
if (newList.size() > max) {
for (int i = max; i < newList.size(); i++) {
String classUri = newList.get(i);
classUris.remove(classUri);
}
}
for (String euri : classUris) {
SerializableURI elementUri = null;
try {
elementUri = new SerializableURI(euri, false);
} catch (Exception e) {
e.printStackTrace();
}
OntologyElement e = new ClassElement();
e.setData(elementUri);
elements.add(e);
}
return elements;
}
/**
* generate property elements from the set of property uris, and check whether these properties
* are datatype so that additional flag can be added to the property elements
*
* @param classes
* @return
*/
List<OntologyElement> returnPropertyElements(Set<String> properties) throws Exception {
if (properties == null) return new ArrayList();
List<OntologyElement> elements = new ArrayList<OntologyElement>();
for (String euri : properties) {
// logger.info("Checking if datatypeproperty=true for: " + euri);
SerializableURI elementUri = null;
try {
elementUri = new SerializableURI(euri, false);
} catch (Exception e) {
e.printStackTrace();
}
OntologyElement e = new PropertyElement();
// so that later we can distinguish property elements if they refer
// to datatypes
if (luceneAnnotator.isItDatatypeProperty(euri)) {
((PropertyElement) e).setDatatypeProperty(true);
}
e.setData(elementUri);
elements.add(((PropertyElement) e));
}
return elements;
}