@Override
public User readFrom(ProtoStreamReader reader) throws IOException {
int id = reader.readInt("id");
Set<Integer> accountIds = reader.readCollection("accountIds", new HashSet<>(), Integer.class);
// Read them out of order. It still works but logs a warning!
String surname = reader.readString("surname");
String name = reader.readString("name");
List<Address> addresses = reader.readCollection("addresses", new ArrayList<>(), Address.class);
Integer age = reader.readInt("age");
User.Gender gender = reader.readEnum("gender", User.Gender.class);
String notes = reader.readString("notes");
User user = new User();
user.setId(id);
user.setAccountIds(accountIds);
user.setName(name);
user.setSurname(surname);
user.setAge(age);
user.setGender(gender);
user.setAddresses(addresses);
user.setNotes(notes);
return user;
}
@Override
public void writeTo(ProtoStreamWriter writer, User user) throws IOException {
writer.writeInt("id", user.getId());
writer.writeCollection("accountIds", user.getAccountIds(), Integer.class);
writer.writeString("name", user.getName());
writer.writeString("surname", user.getSurname());
writer.writeCollection("addresses", user.getAddresses(), Address.class);
writer.writeInt("age", user.getAge());
writer.writeEnum("gender", user.getGender(), User.Gender.class);
writer.writeString("notes", user.getNotes());
}
@Test
public void testMarshallUser() throws Exception {
SerializationContext ctx = createContext();
User user = new User();
user.setId(1);
user.setName("John");
user.setSurname("Batman");
user.setGender(User.Gender.MALE);
user.setAccountIds(new HashSet<Integer>(Arrays.asList(1, 3)));
user.setAddresses(Collections.singletonList(new Address("Old Street", "XYZ42")));
byte[] bytes = ProtobufUtil.toByteArray(ctx, user);
User decoded = ProtobufUtil.fromByteArray(ctx, bytes, User.class);
assertEquals(1, decoded.getId());
assertEquals("John", decoded.getName());
assertEquals("Batman", decoded.getSurname());
assertEquals(User.Gender.MALE, decoded.getGender());
assertNotNull(decoded.getAddresses());
assertEquals(1, decoded.getAddresses().size());
assertEquals("Old Street", decoded.getAddresses().get(0).getStreet());
assertEquals("XYZ42", decoded.getAddresses().get(0).getPostCode());
assertNotNull(decoded.getAccountIds());
assertEquals(2, decoded.getAccountIds().size());
assertTrue(decoded.getAccountIds().contains(1));
assertTrue(decoded.getAccountIds().contains(3));
}