@Override
protected int doHashCode() {
final OtpErlangObject.Hash hash = new OtpErlangObject.Hash(1);
hash.combine(pid.hashCode(), module.hashCode());
hash.combine(arity);
if (md5 != null) {
hash.combine(md5);
}
hash.combine(index);
hash.combine(uniq);
if (freeVars != null) {
for (final OtpErlangObject o : freeVars) {
hash.combine(o.hashCode(), 1);
}
}
return hash.valueOf();
}
private String parse(OtpErlangObject otpObj) {
if (otpObj instanceof OtpErlangAtom) {
OtpErlangAtom atom = (OtpErlangAtom) otpObj;
if (atom.atomValue().equals("null")) return null;
else throw new IllegalArgumentException("Only atom null is supported");
} else if (otpObj instanceof OtpErlangString) {
OtpErlangString str = (OtpErlangString) otpObj;
return str.stringValue();
}
throw new IllegalArgumentException("Unexpected type " + otpObj.getClass().getName());
}