if (lineTokens.length != 3) {
throw new IllegalArgumentException("Read line (" + line + ") is expected to contain 3 tokens.");
}
Topic leftTopic = topicList.get(Integer.parseInt(lineTokens[0]));
periodPenalty.setLeftSideTopic(leftTopic);
PeriodPenaltyType periodPenaltyType = PeriodPenaltyType.valueOf(lineTokens[1]);
periodPenalty.setPeriodPenaltyType(periodPenaltyType);
Topic rightTopic = topicList.get(Integer.parseInt(lineTokens[2]));
periodPenalty.setRightSideTopic(rightTopic);
if (periodPenaltyType == PeriodPenaltyType.EXAM_COINCIDENCE) {
// It's not specified what happens