Map<String, PersistedData> mappedData = Maps.newLinkedHashMap();
for (Map.Entry<FieldMetadata<T, ?>, TypeHandler<?>> entry : mappedFields.entrySet()) {
Object val = entry.getKey().getValue(value);
if (val != null) {
TypeHandler handler = entry.getValue();
PersistedData fieldValue = handler.serialize(val, context);
if (fieldValue != null) {
mappedData.put(entry.getKey().getName(), fieldValue);
}
}
}