private void tagFrontLoadLargeTopics() {
List<Topic> sortedTopicList = new ArrayList<Topic>(examination.getTopicList());
Collections.sort(
sortedTopicList,
new Comparator<Topic>() {
public int compare(Topic a, Topic b) {
return new CompareToBuilder()
.append(a.getStudentSize(), b.getStudentSize()) // Ascending
.append(b.getId(), a.getId()) // Descending (according to spec)
.toComparison();
}
});
int frontLoadLargeTopicSize =
examination.getInstitutionParametrization().getFrontLoadLargeTopicSize();
if (frontLoadLargeTopicSize == 0) {
return;
}
int minimumTopicId = sortedTopicList.size() - frontLoadLargeTopicSize;
if (minimumTopicId < 0) {
logger.warn(
"The frontLoadLargeTopicSize ("
+ frontLoadLargeTopicSize
+ ") is bigger than topicListSize ("
+ sortedTopicList.size()
+ "). Tagging all topic as frontLoadLarge...");
minimumTopicId = 0;
}
for (Topic topic : sortedTopicList.subList(minimumTopicId, sortedTopicList.size())) {
topic.setFrontLoadLarge(true);
}
}
private void readTopicListAndStudentList() throws IOException {
coincidenceMap = new LinkedHashMap<Topic, Set<Topic>>();
exclusionMap = new LinkedHashMap<Topic, Set<Topic>>();
afterMap = new LinkedHashMap<Topic, Set<Topic>>();
Map<Integer, Student> studentMap = new HashMap<Integer, Student>();
int examSize = readHeaderWithNumber("Exams");
List<Topic> topicList = new ArrayList<Topic>(examSize);
for (int i = 0; i < examSize; i++) {
Topic topic = new Topic();
topic.setId((long) i);
String line = bufferedReader.readLine();
String[] lineTokens = line.split(SPLIT_REGEX);
topic.setDuration(Integer.parseInt(lineTokens[0]));
List<Student> topicStudentList = new ArrayList<Student>(lineTokens.length - 1);
for (int j = 1; j < lineTokens.length; j++) {
topicStudentList.add(findOrCreateStudent(studentMap, Integer.parseInt(lineTokens[j])));
}
topic.setStudentList(topicStudentList);
topic.setFrontLoadLarge(false);
topicList.add(topic);
coincidenceMap.put(topic, new HashSet<Topic>());
exclusionMap.put(topic, new HashSet<Topic>());
afterMap.put(topic, new HashSet<Topic>());
}
examination.setTopicList(topicList);
List<Student> studentList = new ArrayList<Student>(studentMap.values());
examination.setStudentList(studentList);
}