///<summary>
///Assigns all fields an id if possible. Fields are grouped by name and for each group, if there
///is a single id, all fields in the group are assigned this id. If the group has multiple ids,
///an error is reported.
///</summary>
protected ISet <String> InferThriftFieldIds()
{
ISet <String> fieldsWithConflictingIds = new HashSet <String>();
// group fields by explicit name or by name extracted from field, method or property
var fieldsByExplicitOrExtractedName = this._fields.GroupBy(FieldMetadata.GetOrExtractThriftFieldName());
InferThriftFieldIds(fieldsByExplicitOrExtractedName, fieldsWithConflictingIds);
// group fields by name extracted from field, method or property
// this allows thrift name to be set explicitly without having to duplicate the name on getters and setters
// todo should this be the only way this works?
var fieldsByExtractedName = _fields.GroupBy(FieldMetadata.ExtractThriftFieldName());
InferThriftFieldIds(fieldsByExtractedName, fieldsWithConflictingIds);
return(fieldsWithConflictingIds);
}
protected String ExtractFieldName(short id, IEnumerable <FieldMetadata> fields)
{
// get the names used by these fields
var names = fields.Select(FieldMetadata.ExtractThriftFieldName()).Where(n => !String.IsNullOrWhiteSpace(n)).Distinct();
String name;
if (names.Any())
{
if (names.Count() > 1)
{
_metadataErrors.AddWarning($"Thrift class {this.StructName} field {id} has multiple names {String.Join(", ", names)}");
}
name = names.First();
}
else
{
throw new ThriftyException("cant get name from FieldMetadata collection");
}
return(name);
}
