@Override
protected void serialize(Person p) {
ArrayList<String> arguments = new ArrayList<String>();
arguments.add(Long.toString(p.accountId()));
arguments.add(p.firstName() + " " + p.lastName());
writers[FileNames.PERSON.ordinal()].writeEntry(arguments);
}
@Override
protected void serialize(Person p, Knows knows) {
ArrayList<String> arguments = new ArrayList<String>();
arguments.add(Long.toString(p.accountId()));
arguments.add(Long.toString(knows.to().accountId()));
writers[FileNames.PERSON_KNOWS_PERSON.ordinal()].writeEntry(arguments);
}