internal static IEnumerator <object> LoadText(Type recType, string inputText, ChoFixedLengthRecordConfiguration configuration, Encoding encoding, int bufferSize, TraceSwitch traceSwitch = null)
{
ChoFixedLengthRecordReader rr = new ChoFixedLengthRecordReader(recType, configuration);
rr.TraceSwitch = traceSwitch == null ? ChoETLFramework.TraceSwitchOff : traceSwitch;
return(rr.AsEnumerable(new StreamReader(inputText.ToStream(), encoding, false, bufferSize)).GetEnumerator());
}
public IEnumerator <T> GetEnumerator()
{
ChoFixedLengthRecordReader reader = new ChoFixedLengthRecordReader(typeof(T), Configuration);
var e = reader.AsEnumerable(_streamReader).GetEnumerator();
return(ChoEnumeratorWrapper.BuildEnumerable <T>(() => e.MoveNext(), () => (T)ChoConvert.ChangeType <ChoRecordFieldAttribute>(e.Current, typeof(T))).GetEnumerator());
}
public IDataReader AsDataReader()
{
ChoFixedLengthRecordReader reader = new ChoFixedLengthRecordReader(typeof(T), Configuration);
reader.LoadSchema(_streamReader);
var dr = new ChoEnumerableDataReader(GetEnumerator().ToEnumerable(), Configuration.FixedLengthRecordFieldConfigurations.Select(i => new KeyValuePair <string, Type>(i.Name, i.FieldType)).ToArray());
return(dr);
}
public IDataReader AsDataReader()
{
ChoFixedLengthRecordReader rr = new ChoFixedLengthRecordReader(typeof(T), Configuration);
rr.Reader = this;
rr.TraceSwitch = TraceSwitch;
rr.RowsLoaded += NotifyRowsLoaded;
var dr = new ChoEnumerableDataReader(rr.AsEnumerable(_textReader), rr);
return(dr);
}
public IEnumerator <T> GetEnumerator()
{
ChoFixedLengthRecordReader rr = new ChoFixedLengthRecordReader(typeof(T), Configuration);
rr.Reader = this;
rr.TraceSwitch = TraceSwitch;
rr.RowsLoaded += NotifyRowsLoaded;
var e = rr.AsEnumerable(_textReader).GetEnumerator();
return(ChoEnumeratorWrapper.BuildEnumerable <T>(() => e.MoveNext(), () => (T)ChoConvert.ChangeType <ChoRecordFieldAttribute>(e.Current, typeof(T))).GetEnumerator());
}
private IDataReader AsDataReader(Action <IDictionary <string, Type> > membersDiscovered)
{
ChoFixedLengthRecordReader rr = new ChoFixedLengthRecordReader(typeof(T), Configuration);
rr.Reader = this;
rr.TraceSwitch = TraceSwitch;
rr.RowsLoaded += NotifyRowsLoaded;
rr.MembersDiscovered += membersDiscovered != null ? (o, e) => membersDiscovered(e.Value) : MembersDiscovered;
var dr = new ChoEnumerableDataReader(_lines != null ? rr.AsEnumerable(_lines) : rr.AsEnumerable(_textReader), rr);
return(dr);
}
public IEnumerator <T> GetEnumerator()
{
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).GetEnumerator();
return(ChoEnumeratorWrapper.BuildEnumerable <T>(() => e.MoveNext(), () => (T)ChoConvert.ChangeType <ChoRecordFieldAttribute>(e.Current, typeof(T)), () => Dispose()).GetEnumerator());
}