public IEnumerator <T> GetEnumerator()
{
CheckDisposed();
ChoFixedLengthRecordReader rr = new ChoFixedLengthRecordReader(typeof(T), Configuration);
rr.Reader = this;
rr.TraceSwitch = TraceSwitch;
rr.RowsLoaded += NotifyRowsLoaded;
rr.MembersDiscovered += MembersDiscovered;
rr.RecordFieldTypeAssessment += RecordFieldTypeAssessment;
var e = _lines != null?rr.AsEnumerable(_lines).GetEnumerator() : rr.AsEnumerable(_textReader.Value).GetEnumerator();
return(ChoEnumeratorWrapper.BuildEnumerable <T>(() => {
++_recordNumber;
return e.MoveNext();
}, () => (T)ChoConvert.ChangeType <ChoRecordFieldAttribute>(e.Current, typeof(T)), () => Dispose()).GetEnumerator());
}
public IEnumerator <T> GetEnumerator()
{
ChoParquetRecordReader rr = new ChoParquetRecordReader(typeof(T), Configuration);
if (_sr != null)
{
_parquetReader = Create(_sr);
}
rr.Reader = this;
rr.TraceSwitch = TraceSwitch;
rr.RowsLoaded += NotifyRowsLoaded;
rr.MembersDiscovered += MembersDiscovered;
rr.RecordFieldTypeAssessment += RecordFieldTypeAssessment;
var e = rr.AsEnumerable(_parquetReader).GetEnumerator();
return(ChoEnumeratorWrapper.BuildEnumerable <T>(() => e.MoveNext(), () => (T)ChoConvert.ChangeType <ChoRecordFieldAttribute>(e.Current, typeof(T)), () => Dispose()).GetEnumerator());
}
public IEnumerator <T> GetEnumerator()
{
CheckDisposed();
if (_jObjects == null)
{
ChoJSONRecordReader rr = new ChoJSONRecordReader(typeof(T), Configuration);
if (_textReader != null)
{
_JSONReader = Create(_textReader.Value);
}
rr.Reader = this;
rr.TraceSwitch = TraceSwitch;
rr.RowsLoaded += NotifyRowsLoaded;
rr.MembersDiscovered += MembersDiscovered;
rr.RecordFieldTypeAssessment += RecordFieldTypeAssessment;
var e = rr.AsEnumerable(_JSONReader).GetEnumerator();
return(ChoEnumeratorWrapper.BuildEnumerable <T>(() => {
++_recordNumber;
return e.MoveNext();
}, () => (T)ChoConvert.ChangeType <ChoRecordFieldAttribute>(e.Current, typeof(T)), () => Dispose()).GetEnumerator());
}
else
{
ChoJSONRecordReader rr = new ChoJSONRecordReader(typeof(T), Configuration);
rr.Reader = this;
rr.TraceSwitch = TraceSwitch;
rr.RowsLoaded += NotifyRowsLoaded;
rr.MembersDiscovered += MembersDiscovered;
rr.RecordFieldTypeAssessment += RecordFieldTypeAssessment;
var e = rr.AsEnumerable(_jObjects).GetEnumerator();
return(ChoEnumeratorWrapper.BuildEnumerable <T>(() =>
{
++_recordNumber;
return e.MoveNext();
}, () => (T)ChoConvert.ChangeType <ChoRecordFieldAttribute>(e.Current, typeof(T)), () => Dispose()).GetEnumerator());
}
}
public IEnumerator <T> GetEnumerator()
{
ChoAvroRecordReader rr = new ChoAvroRecordReader(typeof(T), Configuration);
rr.Reader = this;
rr.TraceSwitch = TraceSwitch;
rr.RowsLoaded += NotifyRowsLoaded;
rr.MembersDiscovered += MembersDiscovered;
rr.RecordFieldTypeAssessment += RecordFieldTypeAssessment;
if (typeof(T) == typeof(object))
{
IEnumerator <object> e = _avroReader != null?rr.AsEnumerable <Dictionary <string, object> >(_avroReader).GetEnumerator() : rr.AsEnumerable <Dictionary <string, object> >(_sr).GetEnumerator();
return(ChoEnumeratorWrapper.BuildEnumerable <T>(() => e.MoveNext(), () => (T)((object)e.Current), () => Dispose()).GetEnumerator());
}
else
{
IEnumerator <object> e = _avroReader != null?rr.AsEnumerable <T>(_avroReader).GetEnumerator() : rr.AsEnumerable <T>(_sr).GetEnumerator();
return(ChoEnumeratorWrapper.BuildEnumerable <T>(() => e.MoveNext(), () => (T)ChoConvert.ChangeType <ChoRecordFieldAttribute>(e.Current, typeof(T)), () => Dispose()).GetEnumerator());
}
}
public static IEnumerable <IDataReader> AsEnumerable(this IDataReader source)
{
return(ChoEnumeratorWrapper.BuildEnumerable(source.Read, () => source));
}
public ChoChunkedEnumerable(ChoEnumeratorWrapper <T> wrapper, int chunkSize, int start)
{
this.wrapper = wrapper;
this.chunkSize = chunkSize;
this.start = start;
}
