// Load the review file from disk.
Unmarshaller unmarshaller = new Unmarshaller();
CommentsDocument document = null;
synchronized(project){
document = unmarshaller.unmarshall(project);
List<Comment> commentList = document.getCommentList();
reviewHash = new Hashtable<String, Comment>();
for (Comment comment : commentList) {
reviewHash.put(comment.getId(), comment);