private ReadItem ResolveRecord(RecordSchema schema)
{
ReadItem recordReader;
if (!_recordReaders.TryGetValue(schema, out recordReader))
{
lock (_recordReaders)
{
if (!_recordReaders.TryGetValue(schema, out recordReader))
{
RecordAccess recordAccess = GetRecordAccess(schema);
var fieldReaders = new List <FieldReader>();
recordReader = (r, d) => ReadRecord(r, d, recordAccess, fieldReaders);
_recordReaders.Add(schema, recordReader);
foreach (Field f in schema)
{
Field field = f;
ReadItem readItem = ResolveReader(field.Schema);
if (IsReusable(field.Schema.Type))
{
fieldReaders.Add((rec, d) => recordAccess.AddField(rec, field.Name, field.Pos,
readItem(recordAccess.GetField(rec, field.Name, field.Pos), d)));
}
else
{
fieldReaders.Add((rec, d) => recordAccess.AddField(rec, field.Name, field.Pos,
readItem(null, d)));
}
}
}
}
}
return(recordReader);
}