/*
*get collaboration information based on organisation - returns a collaborationList.
*/
public HashMap<Integer, CollaborationList> getCollaborations_org(
String id, TreeMap<Integer, Collaborator> network) {
HashMap<Integer, CollaborationList> collaborations =
new java.util.HashMap<Integer, CollaborationList>();
// reset the iterator
Set<Integer> networkKeys = network.keySet();
Iterator<Integer> networkKeyIterator = networkKeys.iterator();
Integer networkKey = null;
CollaborationList collaborationList;
// loop through the list of keys
while (networkKeyIterator.hasNext()) {
// get the key
networkKey = (Integer) networkKeyIterator.next();
// get the list of collaborations for this user
collaborationList = getCollaborationList_org(id, networkKey.toString());
// add the collaborationList object to the list
collaborations.put(networkKey, collaborationList);
}
return collaborations;
}
/**
* Returns the string value of the first of the properties in the uriDescriptionList for the given
* resource (as an URI). In case the resource does not have any of the properties mentioned, its
* URI is returned. The value is obtained by querying the endpoint and the endpoint is queried
* repeatedly until it gives a response (value or the lack of it)
*
* <p>It is highly recommended that the list contains properties like labels or titles, with test
* values.
*
* @param uri - the URI for which a label is required
* @return a String value, either a label for the parameter or its value if no label is obtained
* from the endpoint
*/
private String getLabelForUri(String uri) {
String result;
if (uriLabelCache.containsKey(uri)) {
return uriLabelCache.get(uri);
}
for (String prop : uriDescriptionList) {
String innerQuery = "SELECT ?r WHERE {<" + uri + "> <" + prop + "> ?r } LIMIT 1";
try {
Query query = QueryFactory.create(innerQuery);
QueryExecution qExec = QueryExecutionFactory.sparqlService(rdfEndpoint, query);
boolean keepTrying = true;
while (keepTrying) {
keepTrying = false;
try {
ResultSet results = qExec.execSelect();
if (results.hasNext()) {
QuerySolution sol = results.nextSolution();
result = EEASettings.parseForJson(sol.getLiteral("r").getLexicalForm());
if (!result.isEmpty()) {
uriLabelCache.put(uri, result);
return result;
}
}
} catch (Exception e) {
keepTrying = true;
logger.warn("Could not get label for uri {}. Retrying.", uri);
} finally {
qExec.close();
}
}
} catch (QueryParseException qpe) {
logger.error("Exception for query {}. The label cannot be obtained", innerQuery);
}
}
return uri;
}
@SuppressWarnings("unchecked")
public Document toGraphMLDOM_org(Document egoDom, String id, int radius, String graphType) {
Collaborator collaborator = null;
if (db.connect() == false) {
throw new RuntimeException("Unable to connect to the database");
}
// add the graph element
Element rootElement = egoDom.getDocumentElement();
rootElement = createHeaderElements(egoDom, rootElement, graphType);
Element graph = egoDom.createElement("graph");
graph.setAttribute("id", "Contributor Network for organisation:" + " ( " + id + " )");
graph.setAttribute("edgedefault", graphType);
rootElement.appendChild(graph);
network = getRawCollaboratorData_org(id, radius);
if (network != null) {
// add some additional required information for contributors
collaborators = getCollaborators(network, "0");
// get collaboration List
collaborations = getCollaborations_org(id, network);
} else return egoDom;
// create node element in DOM
for (int i = 0; i < collaborators.size(); i++) {
Element node = createNodeElement(egoDom, i);
graph.appendChild(node);
}
// we have a list of collaborations.
// loop through the list, for each - create a collaboration
// - create edge.
// 1.iterate through the collaboration hashmap
Iterator contributorIter = collaborations.values().iterator();
int edgeIndex = 0;
// collabCheck used to ensure no doubling up of collaborations. (pretty quick hack, ideally this
// issue would be sorted before this point)
Vector collabCheck = new Vector();
while (contributorIter.hasNext()) {
CollaborationList list = (CollaborationList) contributorIter.next();
// get the actual collaborations
if (list != null) {
Iterator collaborationIter = list.getCollaborations().values().iterator();
// loop through the hashmap of collaborations
while (collaborationIter.hasNext()) {
Collaboration collaboration = (Collaboration) collaborationIter.next();
if (!collabCheck.contains(
collaboration.getPartner() + "-" + collaboration.getCollaborator())) {
// create an edge for each of them
Element edge =
createEdgeElement(
egoDom,
collaboration,
Integer.parseInt(collaboration.getCollaborator()),
Integer.parseInt(collaboration.getPartner()),
edgeIndex);
graph.appendChild(edge);
// add the collaboration to the list for checking.
collabCheck.add(collaboration.getCollaborator() + "-" + collaboration.getPartner());
edgeIndex++;
}
}
}
}
return egoDom;
}
