/*
* add some of the additional required information for collaborator
*/
public ArrayList<Collaborator> getCollaborators(
TreeMap<Integer, Collaborator> network, String id) {
// declare helper variables
java.util.ArrayList<Collaborator> collaborators = new java.util.ArrayList<Collaborator>();
// define a SPARQL query to get details about a collaborator
String sparqlQuery =
"PREFIX foaf: <"
+ FOAF.NS
+ ">"
+ "PREFIX ausestage: <"
+ AuseStage.NS
+ "> "
+ "SELECT ?collabName ?function ?gender ?nationality "
+ "WHERE { "
+ " @ a foaf:Person ; "
+ " foaf:name ?collabName. "
+ "OPTIONAL {@ ausestage:function ?function} "
+ "OPTIONAL {@ foaf:gender ?gender} "
+ "OPTIONAL {@ ausestage:nationality ?nationality} "
+ "} ";
String queryToExecute = null;
ResultSet results = null;
QuerySolution row = null;
Collaborator collaborator = null;
// loop through the list of collaborators and get additional information
Collection networkKeys = network.keySet();
Iterator networkKeyIterator = networkKeys.iterator();
Integer networkKey = null;
Integer centreId = Integer.parseInt(id);
// loop through the list of keys
while (networkKeyIterator.hasNext()) {
// get the key for this collaborator
networkKey = (Integer) networkKeyIterator.next();
// create a new collaborator object
collaborator = new Collaborator(networkKey.toString());
// build the query
queryToExecute =
sparqlQuery.replaceAll(
"@", "<" + AusStageURI.getContributorURI(collaborator.getId()) + ">");
// execute the query
results = rdf.executeSparqlQuery(queryToExecute);
// add details to this contributor
while (results.hasNext()) {
// loop though the resulset
// get a new row of data
row = results.nextSolution();
// add the data to the collaborator
collaborator.setName(row.get("collabName").toString());
if (row.get("function") != null) {
collaborator.setFunction(row.get("function").toString());
}
if (row.get("gender") != null) {
collaborator.setGender(row.get("gender").toString());
}
if (row.get("nationality") != null) {
collaborator.setNationality(row.get("nationality").toString());
}
collaborator.setUrl(AusStageURI.getContributorURL(collaborator.getId()));
}
// play nice and tidy
rdf.tidyUp();
results = null;
// add the collaborator to the list
collaborators.add(collaborator);
}
return collaborators;
}
