public void AddClass(OntologyClass oClass)
{
String classNameStr = oClass.GetNameString(false); // get the full name of the class and do not strip the uri info
this.connHash.Clear();
this.classHash.Add(classNameStr, oClass);
// store info on the related subclasses
List <String> superClassNames = oClass.GetParentNameStrings(false); // get the parents. there may be several.
// spin through the list and find the ones that need to be added
foreach (String scn in superClassNames)
{
if (!(this.subclassHash.ContainsKey(scn)))
{ // this superclass was not previously added.
List <OntologyClass> scList = new List <OntologyClass>();
scList.Add(oClass);
this.subclassHash.Add(scn, scList);
}
else
{ // just add this one
this.subclassHash[scn].Add(oClass);
}
}
}
/** for a given class, return all parent classes **/
public List <OntologyClass> GetClassParents(OntologyClass currentClass)
{
List <OntologyClass> retval = new List <OntologyClass>();
// add each parent
foreach (String parentNameString in currentClass.GetParentNameStrings(false))
{
retval.Add(this.GetClass(parentNameString));
}
// return the collection
return(retval);
}
// -------------------------------------------------------------------------------------- serialize and deserialize json representation.
/* the To and From json methods are adapted from the java code in oInfo. the operative mechanism is different as this code does not
* have to be compatible with the loading from sparql methods. instead this goes further, taking advantage of the one-hop information
* and the sub-class/super-class info buried in the exported json.
*/
public JsonObject ToJson()
{
// based on th advanced client json in the java version.
// return the advanced client Json format...
JsonObject retval = new JsonObject();
// create all the prefix information...
Dictionary <String, String> prefixes = new Dictionary <String, String>();
// create the enumeration information
JsonArray enumerations = new JsonArray();
foreach (String key in this.enumerationHash.Keys)
{ // find each and add them as needed.
String uri = Utility.Utility.PrefixUri(key, prefixes);
JsonObject currEnumeration = new JsonObject();
JsonArray values = new JsonArray(); // get all the values.
foreach (String k in this.enumerationHash[key]) // get eh enumerations we care about.
{
String kUri = Utility.Utility.PrefixUri(k, prefixes);
values.Add(JsonValue.CreateStringValue(kUri));
}
currEnumeration.Add("fullUri", JsonValue.CreateStringValue(uri));
currEnumeration.Add("enumeration", values);
enumerations.Add(currEnumeration);
}
// create the propertyList information:
JsonArray propertyList = new JsonArray();
foreach (String key in this.propertyHash.Keys)
{
String uri = Utility.Utility.PrefixUri(key, prefixes);
JsonObject currProperty = new JsonObject();
JsonArray domain = new JsonArray();
JsonArray range = new JsonArray();
JsonArray labels = new JsonArray();
JsonArray comments = new JsonArray();
OntologyProperty currProp = this.propertyHash[key];
// get the domain:
foreach (String oClassKey in this.classHash.Keys)
{ // get the classes which are in the domain
OntologyClass oClass = this.classHash[oClassKey];
if (oClass.GetProperty(key) != null)
{ // we found one. as a result, this will be prefixed and added.
OntologyProperty currPropInstance = oClass.GetProperty(key);
String classId = Utility.Utility.PrefixUri(oClassKey, prefixes);
domain.Add(JsonValue.CreateStringValue(classId));
}
}
// get the range. right now, SemTK core only supports a single value for a range, so it may seems silly/wasteful/stupid
// to support these as an array but we intend on changing this limitation one day, so better to be prepared.
String rangeId = Utility.Utility.PrefixUri(currProp.GetRange().GetFullName(), prefixes);
range.Add(JsonValue.CreateStringValue(rangeId));
// add the labels.
foreach (String label in currProp.GetAnnotationLabels())
{
labels.Add(JsonValue.CreateStringValue(label));
}
// add the comments
foreach (String comment in currProp.GetAnnotationComments())
{
comments.Add(JsonValue.CreateStringValue(comment));
}
// add all the subcomponents of the current property
currProperty.Add("fullUri", JsonValue.CreateStringValue(uri));
currProperty.Add("domain", domain);
currProperty.Add("range", range);
currProperty.Add("labels", labels);
currProperty.Add("comments", comments);
// add to the outgoing list
propertyList.Add(currProperty);
}
// create the classList information.
JsonArray classList = new JsonArray();
foreach (String key in this.classHash.Keys)
{
String uri = Utility.Utility.PrefixUri(key, prefixes);
JsonObject currClass = new JsonObject();
OntologyClass oClass = this.classHash[key];
JsonArray labels = new JsonArray();
JsonArray comments = new JsonArray();
JsonArray superClasses = new JsonArray();
JsonArray subClasses = new JsonArray();
JsonArray directConnections = new JsonArray();
// labels
foreach (String label in oClass.GetAnnotationLabels())
{
labels.Add(JsonValue.CreateStringValue(label));
}
// comments
foreach (String comment in oClass.GetAnnotationComments())
{
comments.Add(JsonValue.CreateStringValue(comment));
}
// superclasses
foreach (String parent in oClass.GetParentNameStrings(false))
{
String prefixedParent = Utility.Utility.PrefixUri(parent, prefixes);
superClasses.Add(JsonValue.CreateStringValue(prefixedParent));
}
// subclasses
if (this.subclassHash.ContainsKey(key))
{ // only do this if any exist.
List <OntologyClass> myChildren = this.subclassHash[key];
foreach (OntologyClass currChild in myChildren)
{
String childId = Utility.Utility.PrefixUri(currChild.GetNameString(false), prefixes);
subClasses.Add(JsonValue.CreateStringValue(childId));
}
}
// direct connections -- generate the connections.
foreach (OntologyPath currPath in this.GetConnList(key))
{
JsonObject pathJsonObject = new JsonObject();
pathJsonObject.Add("startClass", JsonValue.CreateStringValue(Utility.Utility.PrefixUri(currPath.GetTriple(0).GetSubject(), prefixes)));
pathJsonObject.Add("predicate", JsonValue.CreateStringValue(Utility.Utility.PrefixUri(currPath.GetTriple(0).GetPredicate(), prefixes)));
pathJsonObject.Add("destinationClass", JsonValue.CreateStringValue(Utility.Utility.PrefixUri(currPath.GetTriple(0).GetObject(), prefixes)));
directConnections.Add(pathJsonObject);
}
// full uri information
currClass.Add("fullUri", JsonValue.CreateStringValue(uri));
// add everything else to the outgoing structure.
currClass.Add("superClasses", superClasses);
currClass.Add("subClasses", subClasses);
currClass.Add("comments", comments);
currClass.Add("labels", labels);
currClass.Add("directConnections", directConnections);
classList.Add(currClass);
}
// create the prefix array
JsonArray prefixList = new JsonArray();
foreach (String k in prefixes.Keys)
{
JsonObject pref = new JsonObject();
pref.Add("prefixId", JsonValue.CreateStringValue(prefixes[k]));
pref.Add("prefix", JsonValue.CreateStringValue(k));
}
String creationTime = DateTime.Now.ToString("yyyyMMdd_HHmmss");
retval.Add("version", JsonValue.CreateNumberValue(OntologyInfo.JSON_VERSION));
retval.Add("generated", JsonValue.CreateStringValue(creationTime));
if (this.modelConnnection != null)
{
retval.Add("sparqlConn", this.modelConnnection.ToJson());
}
JsonObject jsonOInfo = new JsonObject();
jsonOInfo.Add("prefixes", prefixList);
jsonOInfo.Add("enumerations", enumerations);
jsonOInfo.Add("propertyList", propertyList);
jsonOInfo.Add("classList", classList);
// add the oInfo serialization to the outgoing object.
retval.Add("ontologyInfo", jsonOInfo);
// ship it out.
return(retval);
}