public static bool Contains(string key)
{
ChoGuard.ArgumentNotNullOrEmpty(key, "Key");
return(Configuation.AppSettings.Settings.AllKeys.Contains(key));
}
public override IEnumerable <object> WriteTo(object writer, IEnumerable <object> records, Func <object, bool> predicate = null)
{
TextWriter sw = writer as TextWriter;
ChoGuard.ArgumentNotNull(sw, "TextWriter");
if (records == null)
{
yield break;
}
CultureInfo prevCultureInfo = System.Threading.Thread.CurrentThread.CurrentCulture;
System.Threading.Thread.CurrentThread.CurrentCulture = Configuration.Culture;
_se = new Lazy <XmlSerializer>(() => Configuration.XmlSerializer == null ? null : Configuration.XmlSerializer);
string recText = String.Empty;
if (!Configuration.OmitXmlDeclaration)
{
sw.Write("{0}{1}", GetXmlDeclaration(), Configuration.EOLDelimiter);
}
try
{
foreach (object record in records)
{
_index++;
if (TraceSwitch.TraceVerbose)
{
if (record is IChoETLNameableObject)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Writing [{0}] object...".FormatString(((IChoETLNameableObject)record).Name));
}
else
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Writing [{0}] object...".FormatString(_index));
}
}
recText = String.Empty;
if (predicate == null || predicate(record))
{
//Discover and load Xml columns from first record
if (!_configCheckDone)
{
if (record == null)
{
continue;
}
string[] fieldNames = null;
Type recordType = ElementType == null?record.GetType() : ElementType;
if (typeof(ICollection).IsAssignableFrom(recordType))
{
recordType = recordType.GetEnumerableItemType().GetUnderlyingType();
}
else
{
recordType = recordType.GetUnderlyingType();
}
Configuration.IsDynamicObject = recordType.IsDynamicType();
if (!Configuration.IsDynamicObject)
{
if (recordType.IsSimple())
{
Configuration.RecordType = typeof(ChoScalarObject <>).MakeGenericType(recordType);
}
else
{
Configuration.RecordType = recordType;
}
}
if (Configuration.IsDynamicObject)
{
var dict = record.ToDynamicObject() as IDictionary <string, Object>;
fieldNames = dict.Keys.ToArray();
}
else
{
fieldNames = ChoTypeDescriptor.GetProperties <ChoXmlNodeRecordFieldAttribute>(Configuration.RecordType).Select(pd => pd.Name).ToArray();
if (fieldNames.Length == 0)
{
fieldNames = ChoType.GetProperties(Configuration.RecordType).Select(p => p.Name).ToArray();
}
}
Configuration.Validate(fieldNames);
_configCheckDone = true;
if (!RaiseBeginWrite(sw))
{
yield break;
}
sw.Write("<{0}{1}>".FormatString(Configuration.RootName, GetNamespaceText()));
}
if (!RaiseBeforeRecordWrite(record, _index, ref recText))
{
yield break;
}
if (recText == null)
{
continue;
}
try
{
if (!Configuration.UseXmlSerialization)
{
if ((Configuration.ObjectValidationMode & ChoObjectValidationMode.ObjectLevel) == ChoObjectValidationMode.ObjectLevel)
{
record.DoObjectLevelValidation(Configuration, Configuration.XmlRecordFieldConfigurations);
}
if (ToText(_index, record, out recText))
{
if (!recText.IsNullOrEmpty())
{
sw.Write("{1}{0}", recText, Configuration.EOLDelimiter);
}
if (!RaiseAfterRecordWrite(record, _index, recText))
{
yield break;
}
}
}
else
{
if ((Configuration.ObjectValidationMode & ChoObjectValidationMode.Off) != ChoObjectValidationMode.Off)
{
record.DoObjectLevelValidation(Configuration, Configuration.XmlRecordFieldConfigurations);
}
if (record != null)
{
if (_se.Value != null)
{
_se.Value.Serialize(sw, record);
}
else
{
sw.Write("{1}{0}", ChoUtility.XmlSerialize(record).Indent(2, Configuration.IndentChar.ToString()), Configuration.EOLDelimiter);
}
if (!RaiseAfterRecordWrite(record, _index, null))
{
yield break;
}
}
}
}
//catch (ChoParserException)
//{
// throw;
//}
catch (Exception ex)
{
ChoETLFramework.HandleException(ref ex);
if (Configuration.ErrorMode == ChoErrorMode.IgnoreAndContinue)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Error [{0}] found. Ignoring record...".FormatString(ex.Message));
}
else if (Configuration.ErrorMode == ChoErrorMode.ReportAndContinue)
{
if (!RaiseRecordWriteError(record, _index, recText, ex))
{
throw;
}
else
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Error [{0}] found. Ignoring record...".FormatString(ex.Message));
}
}
else
{
throw;
}
}
}
yield return(record);
if (Configuration.NotifyAfter > 0 && _index % Configuration.NotifyAfter == 0)
{
if (RaisedRowsWritten(_index))
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Abort requested.");
yield break;
}
}
}
}
finally
{
System.Threading.Thread.CurrentThread.CurrentCulture = prevCultureInfo;
}
}
public static object ConvertFrom(object value, PropertyInfo propertyInfo, object sourceObject = null, CultureInfo culture = null)
{
ChoGuard.ArgumentNotNull(propertyInfo, "PropertyInfo");
return(ChoConvert.ConvertFrom(value, propertyInfo.PropertyType, sourceObject, ChoTypeDescriptor.GetTypeConverters(propertyInfo), ChoTypeDescriptor.GetTypeConverterParams(propertyInfo), culture));
}
internal ChoParquetRecordFieldConfigurationMap(ChoParquetRecordFieldConfiguration config)
{
ChoGuard.ArgumentNotNull(config, nameof(config));
_config = config;
}
private IEnumerable <object> AsEnumerable(object source, TraceSwitch traceSwitch, Func <object, bool?> filterFunc = null)
{
TraceSwitch = traceSwitch;
TextReader sr = source as TextReader;
ChoGuard.ArgumentNotNull(sr, "TextReader");
if (sr is StreamReader)
{
((StreamReader)sr).Seek(0, SeekOrigin.Begin);
}
if (!RaiseBeginLoad(sr))
{
yield break;
}
string[] commentTokens = Configuration.Comments;
bool? skip = false;
bool abortRequested = false;
long runningCount = 0;
using (ChoPeekEnumerator <Tuple <long, string> > e = new ChoPeekEnumerator <Tuple <long, string> >(
new ChoIndexedEnumerator <string>(sr.ReadLines(Configuration.EOLDelimiter, Configuration.QuoteChar, Configuration.MayContainEOLInData)).ToEnumerable(),
(pair) =>
{
//bool isStateAvail = IsStateAvail();
skip = false;
//if (isStateAvail)
//{
// if (!IsStateMatches(item))
// {
// skip = filterFunc != null ? filterFunc(item) : false;
// }
// else
// skip = true;
//}
//else
// skip = filterFunc != null ? filterFunc(item) : false;
if (skip == null)
{
return(null);
}
if (TraceSwitch.TraceVerbose)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, Environment.NewLine);
if (!skip.Value)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Loading line [{0}]...".FormatString(pair.Item1));
}
else
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Skipping line [{0}]...".FormatString(pair.Item1));
}
}
if (skip.Value)
{
return(skip);
}
//if (!(sr.BaseStream is MemoryStream))
// ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, ChoETLFramework.Switch.TraceVerbose, "Loading line [{0}]...".FormatString(item.Item1));
//if (Task != null)
// return !IsStateNOTExistsOrNOTMatch(item);
if (pair.Item2.IsNullOrWhiteSpace())
{
if (!Configuration.IgnoreEmptyLine)
{
throw new ChoParserException("Empty line found at [{0}] location.".FormatString(pair.Item1));
}
else
{
if (TraceSwitch.TraceVerbose)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Ignoring empty line found at [{0}].".FormatString(pair.Item1));
}
return(true);
}
}
//LoadExcelSeparator if any
if (pair.Item1 == 1 &&
!_excelSeparatorFound)
{
if (TraceSwitch.TraceVerbose)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Inspecting for excel separator at [{0}]...".FormatString(pair.Item1));
}
bool retVal = LoadExcelSeperatorIfAny(pair);
_excelSeparatorFound = true;
if (Configuration.HasExcelSeparator.HasValue &&
Configuration.HasExcelSeparator.Value &&
!retVal)
{
throw new ChoParserException("Missing excel separator header line in the file.");
}
if (retVal)
{
return(true);
}
}
if (commentTokens != null && commentTokens.Length > 0)
{
foreach (string comment in commentTokens)
{
if (!pair.Item2.IsNull() && pair.Item2.StartsWith(comment, StringComparison.Ordinal)) //, true, Configuration.Culture))
{
if (TraceSwitch.TraceVerbose)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Comment line found at [{0}]...".FormatString(pair.Item1));
}
return(true);
}
}
}
if (!_configCheckDone)
{
Configuration.Validate(GetHeaders(pair.Item2));
RaiseMembersDiscovered(Configuration.CSVRecordFieldConfigurations.Select(i => new KeyValuePair <string, Type>(i.Name, i.FieldType == null ? typeof(string) : i.FieldType)).ToArray());
_configCheckDone = true;
}
//LoadHeader if any
if (Configuration.FileHeaderConfiguration.HasHeaderRecord &&
!_headerFound)
{
if (Configuration.FileHeaderConfiguration.IgnoreHeader)
{
if (TraceSwitch.TraceVerbose)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Ignoring header line at [{0}]...".FormatString(pair.Item1));
}
}
else
{
if (TraceSwitch.TraceVerbose)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Loading header line at [{0}]...".FormatString(pair.Item1));
}
LoadHeaderLine(pair);
}
_headerFound = true;
return(true);
}
return(false);
}))
{
while (true)
{
Tuple <long, string> pair = e.Peek;
if (pair == null)
{
if (!abortRequested)
{
RaisedRowsLoaded(runningCount);
}
RaiseEndLoad(sr);
yield break;
}
runningCount = pair.Item1;
object rec = Activator.CreateInstance(RecordType);
if (!LoadLine(pair, ref rec))
{
yield break;
}
//StoreState(e.Current, rec != null);
e.MoveNext();
if (rec == null)
{
continue;
}
yield return(rec);
if (Configuration.NotifyAfter > 0 && pair.Item1 % Configuration.NotifyAfter == 0)
{
if (RaisedRowsLoaded(pair.Item1))
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Abort requested.");
abortRequested = true;
yield break;
}
}
}
}
}
public bool Contains(string key)
{
ChoGuard.ArgumentNotNullOrEmpty(key, "Key");
return(_keyValues.ContainsKey(key));
}
public override IEnumerable <object> WriteTo(object writer, IEnumerable <object> records, Func <object, bool> predicate = null)
{
TextWriter sw = writer as TextWriter;
ChoGuard.ArgumentNotNull(sw, "TextWriter");
if (records == null)
{
yield break;
}
if (!RaiseBeginWrite(sw))
{
yield break;
}
CultureInfo prevCultureInfo = System.Threading.Thread.CurrentThread.CurrentCulture;
System.Threading.Thread.CurrentThread.CurrentCulture = Configuration.Culture;
string recText = String.Empty;
long recCount = 0;
var recEnum = records.GetEnumerator();
try
{
object notNullRecord = GetFirstNotNullRecord(recEnum);
if (notNullRecord == null)
{
yield break;
}
if (Configuration.IsDynamicObject)
{
if (Configuration.MaxScanRows > 0)
{
List <string> fns = new List <string>();
foreach (object record1 in GetRecords(recEnum))
{
recCount++;
if (record1 != null)
{
if (recCount <= Configuration.MaxScanRows)
{
if (!record1.GetType().IsDynamicType())
{
throw new ChoParserException("Invalid record found.");
}
_recBuffer.Value.Add(record1);
fns = fns.Union(GetFields(record1)).ToList();
if (recCount == Configuration.MaxScanRows)
{
Configuration.Validate(fns.ToArray());
WriteHeaderLine(sw);
_configCheckDone = true;
break;
}
}
}
}
}
}
foreach (object record in GetRecords(recEnum))
{
_index++;
if (TraceSwitch.TraceVerbose)
{
if (record is IChoETLNameableObject)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Writing [{0}] object...".FormatString(((IChoETLNameableObject)record).Name));
}
else
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Writing [{0}] object...".FormatString(_index));
}
}
recText = String.Empty;
if (record != null)
{
if (predicate == null || predicate(record))
{
//Discover and load FixedLength columns from first record
if (!_configCheckDone)
{
if (notNullRecord != null)
{
string[] fieldNames = GetFields(notNullRecord);
Configuration.Validate(fieldNames);
WriteHeaderLine(sw);
_configCheckDone = true;
}
}
//Check record
if (record != null)
{
Type rt = record.GetType().ResolveType();
if (Configuration.IsDynamicObject)
{
if (ElementType != null)
{
}
else if (!rt.IsDynamicType())
{
throw new ChoWriterException("Invalid record found.");
}
}
else
{
if (rt != Configuration.RecordType)
{
throw new ChoWriterException("Invalid record found.");
}
}
}
if (!RaiseBeforeRecordWrite(record, _index, ref recText))
{
yield break;
}
if (recText == null)
{
continue;
}
else if (recText.Length > 0)
{
sw.Write("{1}{0}", recText, _hadHeaderWritten ? Configuration.EOLDelimiter : "");
continue;
}
try
{
if ((Configuration.ObjectValidationMode & ChoObjectValidationMode.ObjectLevel) == ChoObjectValidationMode.ObjectLevel)
{
record.DoObjectLevelValidation(Configuration, Configuration.FixedLengthRecordFieldConfigurations);
}
if (ToText(_index, record, out recText))
{
if (_index == 1)
{
sw.Write("{1}{0}", recText, _hadHeaderWritten ? Configuration.EOLDelimiter : "");
}
else
{
sw.Write("{1}{0}", recText, Configuration.EOLDelimiter);
}
if (!RaiseAfterRecordWrite(record, _index, recText))
{
yield break;
}
}
}
//catch (ChoParserException)
//{
// throw;
//}
catch (Exception ex)
{
ChoETLFramework.HandleException(ref ex);
if (Configuration.ErrorMode == ChoErrorMode.IgnoreAndContinue)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Error [{0}] found. Ignoring record...".FormatString(ex.Message));
}
else if (Configuration.ErrorMode == ChoErrorMode.ReportAndContinue)
{
if (!RaiseRecordWriteError(record, _index, recText, ex))
{
throw;
}
else
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Error [{0}] found. Ignoring record...".FormatString(ex.Message));
}
}
else
{
throw;
}
}
}
}
yield return(record);
if (Configuration.NotifyAfter > 0 && _index % Configuration.NotifyAfter == 0)
{
if (RaisedRowsWritten(_index))
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Abort requested.");
yield break;
}
}
}
}
finally
{
System.Threading.Thread.CurrentThread.CurrentCulture = prevCultureInfo;
}
RaiseEndWrite(sw);
}
public static bool ContainsAssembly(Assembly assembly)
{
ChoGuard.ArgumentNotNull(assembly, "Assembly");
return(_assemblyCache.ContainsKey(assembly.FullName));
}
public override IEnumerable <object> WriteTo(object writer, IEnumerable <object> records, Func <object, bool> predicate = null)
{
TextWriter sw = writer as TextWriter;
ChoGuard.ArgumentNotNull(sw, "TextWriter");
if (records == null)
{
yield break;
}
if (!RaiseBeginWrite(sw))
{
yield break;
}
CultureInfo prevCultureInfo = System.Threading.Thread.CurrentThread.CurrentCulture;
System.Threading.Thread.CurrentThread.CurrentCulture = Configuration.Culture;
string recText = String.Empty;
Type recType;
try
{
foreach (object record in records)
{
_index++;
recType = record.GetType();
if (record is IChoETLNameableObject)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Writing [{0}] object...".FormatString(((IChoETLNameableObject)record).Name));
}
else
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Writing [{0}] object...".FormatString(_index));
}
recText = String.Empty;
if (record != null)
{
if (predicate == null || predicate(record))
{
//Discover and load Manifold columns from first record
if (!_configCheckDone)
{
//string[] fieldNames = null;
//if (record is ExpandoObject)
//{
// var dict = record as IDictionary<string, Object>;
// fieldNames = dict.Keys.ToArray();
//}
//else
//{
// fieldNames = ChoTypeDescriptor.GetProperties<ChoManifoldRecordFieldAttribute>(record.GetType()).Select(pd => pd.Name).ToArray();
// if (fieldNames.Length == 0)
// {
// fieldNames = ChoType.GetProperties(record.GetType()).Select(p => p.Name).ToArray();
// }
//}
//Configuration.Validate(fieldNames);
//WriteHeaderLine(sw);
_configCheckDone = true;
}
if (!RaiseBeforeRecordWrite(record, _index, ref recText))
{
yield break;
}
if (recText == null)
{
continue;
}
else if (recText.Length > 0)
{
sw.Write("{1}{0}", recText, Configuration.FileHeaderConfiguration.HasHeaderRecord ? Configuration.EOLDelimiter : "");
continue;
}
try
{
var config = GetConfiguration(record.GetType());
if (config == null)
{
throw new ChoParserException("No writer found to write record.");
}
if (config.GetType() == typeof(ChoCSVRecordConfiguration))
{
recText = ChoCSVWriter.ToText(record, config as ChoCSVRecordConfiguration, Configuration.Encoding, Configuration.BufferSize, _offSwitch);
}
else if (config.GetType() == typeof(ChoFixedLengthRecordConfiguration))
{
recText = ChoFixedLengthWriter.ToText(record, config as ChoFixedLengthRecordConfiguration, Configuration.Encoding, Configuration.BufferSize, _offSwitch);
}
else
{
throw new ChoParserException("Unsupported record found to write.");
}
if (recText != null)
{
if (_index == 1)
{
sw.Write("{1}{0}", recText, Configuration.FileHeaderConfiguration.HasHeaderRecord ? Configuration.EOLDelimiter : "");
}
else
{
sw.Write("{1}{0}", recText, Configuration.EOLDelimiter);
}
if (!RaiseAfterRecordWrite(record, _index, recText))
{
yield break;
}
}
}
//catch (ChoParserException pEx)
//{
// throw new ChoParserException($"Failed to write line for '{recType}' object.", pEx);
//}
catch (Exception ex)
{
ChoETLFramework.HandleException(ref ex);
if (Configuration.ErrorMode == ChoErrorMode.IgnoreAndContinue)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Error [{0}] found. Ignoring record...".FormatString(ex.Message));
}
else if (Configuration.ErrorMode == ChoErrorMode.ReportAndContinue)
{
if (!RaiseRecordWriteError(record, _index, recText, ex))
{
throw new ChoWriterException($"Failed to write line for '{recType}' object.", ex);
}
else
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Error [{0}] found. Ignoring record...".FormatString(ex.Message));
}
}
else
{
throw new ChoWriterException($"Failed to write line for '{recType}' object.", ex);
}
}
}
}
yield return(record);
if (Configuration.NotifyAfter > 0 && _index % Configuration.NotifyAfter == 0)
{
if (RaisedRowsWritten(_index))
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Abort requested.");
yield break;
}
}
}
}
finally
{
System.Threading.Thread.CurrentThread.CurrentCulture = prevCultureInfo;
}
RaiseEndWrite(sw);
}
public static object ConvertTo(object value, MemberInfo memberInfo, Type targetType, object sourceObject = null, CultureInfo culture = null)
{
ChoGuard.ArgumentNotNull((object)memberInfo, "MemberInfo");
return(ChoConvert.ConvertTo(value, targetType, sourceObject, ChoTypeDescriptor.GetTypeConverters(memberInfo), ChoTypeDescriptor.GetTypeConverterParams(memberInfo), culture,
memberInfo.Name));
}
public ChoManifoldRecordWriter(ChoManifoldRecordConfiguration configuration) : base(typeof(object))
{
ChoGuard.ArgumentNotNull(configuration, "Configuration");
Configuration = configuration;
}
public ChoPeekEnumerator(IEnumerable <T> enumerable)
{
ChoGuard.ArgumentNotNull(enumerable, "enumerable");
_enumerable = enumerable;
Reset();
}
private IEnumerable <object> AsEnumerable(object source, TraceSwitch traceSwitch, Func <object, bool?> filterFunc = null)
{
TraceSwitch = traceSwitch;
TextReader sr = source as TextReader;
ChoGuard.ArgumentNotNull(sr, "TextReader");
if (sr is StreamReader)
{
((StreamReader)sr).Seek(0, SeekOrigin.Begin);
}
if (!RaiseBeginLoad(sr))
{
yield break;
}
string[] commentTokens = Configuration.Comments;
bool? skip = false;
bool isRecordStartFound = false;
bool isRecordEndFound = false;
long seekOriginPos = sr is StreamReader ? ((StreamReader)sr).BaseStream.Position : 0;
List <string> headers = new List <string>();
Tuple <long, string> lastLine = null;
List <Tuple <long, string> > recLines = new List <Tuple <long, string> >();
long recNo = 0;
int loopCount = Configuration.AutoDiscoverColumns && Configuration.KVPRecordFieldConfigurations.Count == 0 ? 2 : 1;
bool isHeaderFound = loopCount == 1;
bool IsHeaderLoaded = false;
Tuple <long, string> pairIn;
bool abortRequested = false;
for (int i = 0; i < loopCount; i++)
{
if (i == 1)
{
if (sr is StreamReader)
{
((StreamReader)sr).Seek(seekOriginPos, SeekOrigin.Begin);
}
TraceSwitch = traceSwitch;
}
else
{
TraceSwitch = ChoETLFramework.TraceSwitchOff;
}
lastLine = null;
recLines.Clear();
isRecordEndFound = false;
isRecordStartFound = false;
using (ChoPeekEnumerator <Tuple <long, string> > e = new ChoPeekEnumerator <Tuple <long, string> >(
new ChoIndexedEnumerator <string>(sr.ReadLines(Configuration.EOLDelimiter, Configuration.QuoteChar, Configuration.MayContainEOLInData)).ToEnumerable(),
(pair) =>
{
//bool isStateAvail = IsStateAvail();
skip = false;
//if (isStateAvail)
//{
// if (!IsStateMatches(item))
// {
// skip = filterFunc != null ? filterFunc(item) : false;
// }
// else
// skip = true;
//}
//else
// skip = filterFunc != null ? filterFunc(item) : false;
if (skip == null)
{
return(null);
}
if (TraceSwitch.TraceVerbose)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, Environment.NewLine);
if (!skip.Value)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Loading line [{0}]...".FormatString(pair.Item1));
}
else
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Skipping line [{0}]...".FormatString(pair.Item1));
}
}
if (skip.Value)
{
return(skip);
}
//if (!(sr.BaseStream is MemoryStream))
// ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, ChoETLFramework.Switch.TraceVerbose, "Loading line [{0}]...".FormatString(item.Item1));
//if (Task != null)
// return !IsStateNOTExistsOrNOTMatch(item);
if (pair.Item2.IsNullOrWhiteSpace())
{
if (!Configuration.IgnoreEmptyLine)
{
throw new ChoParserException("Empty line found at [{0}] location.".FormatString(pair.Item1));
}
else
{
if (TraceSwitch.TraceVerbose)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Ignoring empty line found at [{0}].".FormatString(pair.Item1));
}
return(true);
}
}
if (commentTokens != null && commentTokens.Length > 0)
{
foreach (string comment in commentTokens)
{
if (!pair.Item2.IsNull() && pair.Item2.StartsWith(comment, StringComparison.Ordinal)) //, true, Configuration.Culture))
{
if (TraceSwitch.TraceVerbose)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Comment line found at [{0}]...".FormatString(pair.Item1));
}
return(true);
}
}
}
if (!_configCheckDone)
{
Configuration.Validate(null);
var dict = Configuration.KVPRecordFieldConfigurations.ToDictionary(i1 => i1.Name, i1 => i1.FieldType == null ? null : i1.FieldType);
RaiseMembersDiscovered(dict);
Configuration.UpdateFieldTypesIfAny(dict);
_configCheckDone = true;
}
return(false);
}))
{
while (true)
{
pairIn = e.Peek;
if (!isRecordStartFound)
{
if (pairIn == null)
{
break;
}
lastLine = null;
recLines.Clear();
isRecordEndFound = false;
isRecordStartFound = true;
if (!Configuration.RecordStart.IsNullOrWhiteSpace())
{
//Move to record start
while (!(Configuration.IsRecordStartMatch(e.Peek.Item2)))
{
e.MoveNext();
if (e.Peek == null)
{
break;
}
}
}
if (e.Peek != null)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Record start found at [{0}] line...".FormatString(e.Peek.Item1));
}
e.MoveNext();
continue;
}
else
{
string recordEnd = !Configuration.RecordEnd.IsNullOrWhiteSpace() ? Configuration.RecordEnd : Configuration.RecordStart;
if (!recordEnd.IsNullOrWhiteSpace())
{
if (e.Peek == null)
{
if (Configuration.RecordEnd.IsNullOrWhiteSpace())
{
isRecordEndFound = true;
}
else
{
break;
}
}
else
{
//Move to record start
if (Configuration.IsRecordEndMatch(e.Peek.Item2))
{
isRecordEndFound = true;
isRecordStartFound = false;
if (e.Peek != null)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Record end found at [{0}] line...".FormatString(e.Peek.Item1));
}
}
}
}
else if (e.Peek == null)
{
isRecordEndFound = true;
}
if (!isHeaderFound)
{
//if (isRecordEndFound && headers.Count == 0)
//{
// //throw new ChoParserException("Unexpected EOF found.");
//}
if (!isRecordEndFound)
{
e.MoveNext();
if (e.Peek != null)
{
//If line empty or line continuation, skip
if (pairIn.Item2.IsNullOrWhiteSpace() || IsLineContinuationCharFound(pairIn.Item2)) //.Item2[0] == ' ' || pairIn.Item2[0] == '\t')
{
}
else
{
string header = ToKVP(pairIn.Item1, pairIn.Item2).Key;
if (!header.IsNullOrWhiteSpace())
{
headers.Add(header);
}
}
}
}
else
{
Configuration.Validate(headers.ToArray());
isHeaderFound = true;
isRecordEndFound = false;
IsHeaderLoaded = true;
break;
}
}
else
{
if (!IsHeaderLoaded)
{
Configuration.Validate(new string[] { });
IsHeaderLoaded = true;
}
if (isRecordEndFound && recLines.Count == 0)
{
//throw new ChoParserException("Unexpected EOF found.");
}
else if (!isRecordEndFound)
{
e.MoveNext();
if (e.Peek != null)
{
//If line empty or line continuation, skip
if (pairIn.Item2.IsNullOrWhiteSpace())
{
if (!Configuration.IgnoreEmptyLine)
{
throw new ChoParserException("Empty line found at [{0}] location.".FormatString(pairIn.Item1));
}
else
{
Tuple <long, string> t = new Tuple <long, string>(lastLine.Item1, lastLine.Item2 + Configuration.EOLDelimiter);
recLines.RemoveAt(recLines.Count - 1);
recLines.Add(t);
}
}
else if (IsLineContinuationCharFound(pairIn.Item2)) //pairIn.Item2[0] == ' ' || pairIn.Item2[0] == '\t')
{
if (lastLine == null)
{
throw new ChoParserException("Unexpected line continuation found at {0} location.".FormatString(pairIn.Item1));
}
else
{
Tuple <long, string> t = new Tuple <long, string>(lastLine.Item1, lastLine.Item2 + Configuration.EOLDelimiter + pairIn.Item2);
recLines.RemoveAt(recLines.Count - 1);
recLines.Add(t);
}
}
else
{
lastLine = pairIn;
recLines.Add(pairIn);
}
}
}
else
{
object rec = Configuration.IsDynamicObject ? new ChoDynamicObject(new Dictionary <string, object>(Configuration.FileHeaderConfiguration.StringComparer))
{
ThrowExceptionIfPropNotExists = true,
AlternativeKeys = Configuration.AlternativeKeys
} : Activator.CreateInstance(RecordType);
if (!LoadLines(new Tuple <long, List <Tuple <long, string> > >(++recNo, recLines), ref rec))
{
yield break;
}
isRecordStartFound = false;
//StoreState(e.Current, rec != null);
if (!Configuration.RecordEnd.IsNullOrWhiteSpace())
{
e.MoveNext();
}
if (rec == null)
{
continue;
}
yield return(rec);
if (Configuration.NotifyAfter > 0 && recNo % Configuration.NotifyAfter == 0)
{
if (RaisedRowsLoaded(recNo))
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Abort requested.");
abortRequested = true;
yield break;
}
}
if (e.Peek == null)
{
break;
}
}
}
}
}
}
}
if (!abortRequested)
{
RaisedRowsLoaded(recNo, true);
}
RaiseEndLoad(sr);
}
public IEnumerable <T> WriteTo <T>(object writer, IEnumerable <object> records, Func <object, bool> predicate = null)
{
_sw = writer;
IAvroWriter <T> sw1 = writer as IAvroWriter <T>;
ChoGuard.ArgumentNotNull(sw1, "AvroWriter");
using (SequentialWriter <T> sw = new SequentialWriter <T>(sw1, 24))
{
if (records == null)
{
yield break;
}
if (!BeginWrite.Value)
{
yield break;
}
CultureInfo prevCultureInfo = System.Threading.Thread.CurrentThread.CurrentCulture;
System.Threading.Thread.CurrentThread.CurrentCulture = Configuration.Culture;
object recOutput = null;
var recEnum = records.GetEnumerator();
try
{
object notNullRecord = GetFirstNotNullRecord(recEnum);
if (notNullRecord == null)
{
yield break;
}
foreach (object record in GetRecords(recEnum))
{
_index++;
if (TraceSwitch.TraceVerbose)
{
if (record is IChoETLNameableObject)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Writing [{0}] object...".FormatString(((IChoETLNameableObject)record).Name));
}
else
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Writing [{0}] object...".FormatString(_index));
}
}
recOutput = record;
if (record != null)
{
if (predicate == null || predicate(record))
{
if (!RaiseBeforeRecordWrite(record, _index, ref recOutput))
{
yield break;
}
if (recOutput == null)
{
continue;
}
else if (!(recOutput is T))
{
continue;
}
try
{
if ((Configuration.ObjectValidationMode & ChoObjectValidationMode.ObjectLevel) == ChoObjectValidationMode.ObjectLevel)
{
record.DoObjectLevelValidation(Configuration, Configuration.AvroRecordFieldConfigurations);
}
if (recOutput is T)
{
sw.Write((T)recOutput);
if (!RaiseAfterRecordWrite(record, _index, recOutput))
{
yield break;
}
}
}
catch (Exception ex)
{
ChoETLFramework.HandleException(ref ex);
if (Configuration.ErrorMode == ChoErrorMode.IgnoreAndContinue)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceError, "Error [{0}] found. Ignoring record...".FormatString(ex.Message));
}
else if (Configuration.ErrorMode == ChoErrorMode.ReportAndContinue)
{
if (!RaiseRecordWriteError(record, _index, recOutput, ex))
{
throw;
}
else
{
//ChoETLFramework.WriteLog(TraceSwitch.TraceError, "Error [{0}] found. Ignoring record...".FormatString(ex.Message));
}
}
else
{
throw;
}
}
}
}
yield return((T)recOutput);
if (Configuration.NotifyAfter > 0 && _index % Configuration.NotifyAfter == 0)
{
if (RaisedRowsWritten(_index))
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Abort requested.");
yield break;
}
}
}
}
finally
{
System.Threading.Thread.CurrentThread.CurrentCulture = prevCultureInfo;
}
}
}
private IEnumerable <object> AsEnumerable(object source, TraceSwitch traceSwitch, Func <object, bool?> filterFunc = null)
{
TraceSwitch = traceSwitch;
TextReader sr = source as TextReader;
ChoGuard.ArgumentNotNull(sr, "TextReader");
if (sr is StreamReader)
{
((StreamReader)sr).Seek(0, SeekOrigin.Begin);
}
if (!RaiseBeginLoad(sr))
{
yield break;
}
string[] commentTokens = Configuration.Comments;
bool? skip = false;
bool abortRequested = false;
long runningCount = 0;
long recCount = 0;
bool headerLineLoaded = false;
List <object> buffer = new List <object>();
IDictionary <string, Type> recFieldTypes = null;
using (ChoPeekEnumerator <Tuple <long, string> > e = new ChoPeekEnumerator <Tuple <long, string> >(
new ChoIndexedEnumerator <string>(sr.ReadLines(Configuration.EOLDelimiter, Configuration.QuoteChar, false /*Configuration.MayContainEOLInData*/)).ToEnumerable(),
(pair) =>
{
//bool isStateAvail = IsStateAvail();
skip = false;
//if (isStateAvail)
//{
// if (!IsStateMatches(item))
// {
// skip = filterFunc != null ? filterFunc(item) : false;
// }
// else
// skip = true;
//}
//else
// skip = filterFunc != null ? filterFunc(item) : false;
if (skip == null)
{
return(null);
}
if (TraceSwitch.TraceVerbose)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, Environment.NewLine);
if (!skip.Value)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Loading line [{0}]...".FormatString(pair.Item1));
}
else
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Skipping line [{0}]...".FormatString(pair.Item1));
}
}
if (skip.Value)
{
return(skip);
}
//if (!(sr.BaseStream is MemoryStream))
// ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, ChoETLFramework.Switch.TraceVerbose, "Loading line [{0}]...".FormatString(item.Item1));
//if (Task != null)
// return !IsStateNOTExistsOrNOTMatch(item);
if (pair.Item2.IsNullOrWhiteSpace())
{
if (!Configuration.IgnoreEmptyLine)
{
throw new ChoParserException("Empty line found at [{0}] location.".FormatString(pair.Item1));
}
else
{
if (TraceSwitch.TraceVerbose)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Ignoring empty line found at [{0}].".FormatString(pair.Item1));
}
return(true);
}
}
if (commentTokens != null && commentTokens.Length > 0)
{
foreach (string comment in commentTokens)
{
if (!pair.Item2.IsNull() && pair.Item2.StartsWith(comment, StringComparison.Ordinal)) //, true, Configuration.Culture))
{
if (TraceSwitch.TraceVerbose)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Comment line found at [{0}]...".FormatString(pair.Item1));
}
return(true);
}
}
}
if (Configuration.FileHeaderConfiguration.HeaderLineAt > 0)
{
if (pair.Item1 < Configuration.FileHeaderConfiguration.HeaderLineAt)
{
if (TraceSwitch.TraceVerbose)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Header line at {1}. Skipping [{0}] line...".FormatString(pair.Item1, Configuration.FileHeaderConfiguration.HeaderLineAt));
}
return(true);
}
}
if (!_configCheckDone)
{
Configuration.Validate(pair); // GetHeaders(pair.Item2));
var dict = recFieldTypes = Configuration.FixedLengthRecordFieldConfigurations.ToDictionary(i => i.Name, i => i.FieldType == null ? null : i.FieldType);
RaiseMembersDiscovered(dict);
Configuration.UpdateFieldTypesIfAny(dict);
_configCheckDone = true;
}
//LoadHeader if any
if ((Configuration.FileHeaderConfiguration.HasHeaderRecord ||
Configuration.FileHeaderConfiguration.HeaderLineAt > 0) &&
!_headerFound)
{
if (Configuration.FileHeaderConfiguration.IgnoreHeader)
{
if (TraceSwitch.TraceVerbose)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Ignoring header line at [{0}]...".FormatString(pair.Item1));
}
}
else
{
if (TraceSwitch.TraceVerbose)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Loading header line at [{0}]...".FormatString(pair.Item1));
}
headerLineLoaded = true;
LoadHeaderLine(pair);
}
_headerFound = true;
return(true);
}
return(false);
}))
{
while (true)
{
recCount++;
Tuple <long, string> pair = e.Peek;
if (pair == null)
{
if (!abortRequested)
{
RaisedRowsLoaded(runningCount);
}
RaiseEndLoad(sr);
yield break;
}
runningCount = pair.Item1;
object rec = Configuration.IsDynamicObject ? new ChoDynamicObject(new Dictionary <string, object>(Configuration.FileHeaderConfiguration.StringComparer))
{
ThrowExceptionIfPropNotExists = true,
AlternativeKeys = Configuration.AlternativeKeys
} : Activator.CreateInstance(RecordType);
if (!LoadLine(pair, ref rec))
{
yield break;
}
//StoreState(e.Current, rec != null);
e.MoveNext();
if (rec == null)
{
continue;
}
if (Configuration.IsDynamicObject)
{
if (Configuration.AreAllFieldTypesNull && Configuration.MaxScanRows > 0 && recCount <= Configuration.MaxScanRows)
{
buffer.Add(rec);
RaiseRecordFieldTypeAssessment(recFieldTypes, (IDictionary <string, object>)rec, recCount == Configuration.MaxScanRows);
if (recCount == Configuration.MaxScanRows)
{
Configuration.UpdateFieldTypesIfAny(recFieldTypes);
var dict = recFieldTypes = Configuration.FixedLengthRecordFieldConfigurations.ToDictionary(i => i.Name, i => i.FieldType == null ? null : i.FieldType);
RaiseMembersDiscovered(dict);
foreach (object rec1 in buffer)
{
yield return(ConvertToNestedObjectIfApplicable(new ChoDynamicObject(MigrateToNewSchema(rec1 as IDictionary <string, object>, recFieldTypes)) as object, headerLineLoaded));
}
}
}
else
{
yield return(ConvertToNestedObjectIfApplicable(rec, headerLineLoaded));
}
}
else
{
yield return(rec);
}
if (Configuration.NotifyAfter > 0 && pair.Item1 % Configuration.NotifyAfter == 0)
{
if (RaisedRowsLoaded(pair.Item1))
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Abort requested.");
yield break;
}
}
}
}
}
public static bool ContainsAssembly(string assemblyName)
{
ChoGuard.ArgumentNotNullOrEmpty(assemblyName, "AssemblyName");
return(_assemblyCache.ContainsKey(assemblyName));
}
internal void WithField(string name, string yamlPath = null, Type fieldType = null, ChoFieldValueTrimOption fieldValueTrimOption = ChoFieldValueTrimOption.Trim, string fieldName = null, Func <object, object> valueConverter = null,
Func <object, object> itemConverter = null,
Func <object, object> customSerializer = null,
object defaultValue = null, object fallbackValue = null, string fullyQualifiedMemberName = null,
string formatText = null, bool isArray = true, string nullValue = null, Type recordType = null,
Type subRecordType = null, Func <IDictionary <string, object>, Type> fieldTypeSelector = null)
{
ChoGuard.ArgumentNotNull(recordType, nameof(recordType));
if (!name.IsNullOrEmpty())
{
if (subRecordType != null)
{
MapRecordFieldsForType(subRecordType);
}
string fnTrim = name.NTrim();
ChoYamlRecordFieldConfiguration fc = null;
PropertyDescriptor pd = null;
if (YamlRecordFieldConfigurations.Any(o => o.Name == fnTrim))
{
fc = YamlRecordFieldConfigurations.Where(o => o.Name == fnTrim).First();
YamlRecordFieldConfigurations.Remove(fc);
}
else if (subRecordType != null)
{
pd = ChoTypeDescriptor.GetNestedProperty(subRecordType, fullyQualifiedMemberName.IsNullOrWhiteSpace() ? name : fullyQualifiedMemberName);
}
else
{
pd = ChoTypeDescriptor.GetNestedProperty(recordType, fullyQualifiedMemberName.IsNullOrWhiteSpace() ? name : fullyQualifiedMemberName);
}
var nfc = new ChoYamlRecordFieldConfiguration(fnTrim, yamlPath)
{
FieldType = fieldType,
FieldValueTrimOption = fieldValueTrimOption,
FieldName = fieldName.IsNullOrWhiteSpace() ? name : fieldName,
ValueConverter = valueConverter,
CustomSerializer = customSerializer,
DefaultValue = defaultValue,
FallbackValue = fallbackValue,
FormatText = formatText,
ItemConverter = itemConverter,
IsArray = isArray,
NullValue = nullValue,
FieldTypeSelector = fieldTypeSelector,
};
if (fullyQualifiedMemberName.IsNullOrWhiteSpace())
{
nfc.PropertyDescriptor = fc != null ? fc.PropertyDescriptor : pd;
nfc.DeclaringMember = fc != null ? fc.DeclaringMember : fullyQualifiedMemberName;
}
else
{
if (subRecordType == null)
{
pd = ChoTypeDescriptor.GetNestedProperty(recordType, fullyQualifiedMemberName);
}
else
{
pd = ChoTypeDescriptor.GetNestedProperty(subRecordType, fullyQualifiedMemberName);
}
nfc.PropertyDescriptor = pd;
nfc.DeclaringMember = fullyQualifiedMemberName;
}
if (pd != null)
{
if (nfc.FieldType == null)
{
nfc.FieldType = pd.PropertyType;
}
}
if (subRecordType == null)
{
YamlRecordFieldConfigurations.Add(nfc);
}
else
{
AddFieldForType(subRecordType, nfc);
}
}
}
public static Assembly GetAssemblyFromCache(string assemblyFileName)
{
ChoGuard.ArgumentNotNullOrEmpty(assemblyFileName, "AssemblyFileName");
return(_assemblyCache[assemblyFileName]);
}
private IEnumerable <object> AsEnumerable(object source, TraceSwitch traceSwitch, Func <object, bool?> filterFunc = null)
{
TraceSwitch = traceSwitch;
StreamReader sr = source as StreamReader;
ChoGuard.ArgumentNotNull(sr, "StreamReader");
sr.Seek(0, SeekOrigin.Begin);
if (!RaiseBeginLoad(sr))
{
yield break;
}
string[] commentTokens = Configuration.Comments;
using (ChoPeekEnumerator <Tuple <int, string> > e = new ChoPeekEnumerator <Tuple <int, string> >(
new ChoIndexedEnumerator <string>(sr.ReadLines(Configuration.EOLDelimiter, Configuration.QuoteChar)).ToEnumerable(),
(pair) =>
{
//bool isStateAvail = IsStateAvail();
bool?skip = false;
//if (isStateAvail)
//{
// if (!IsStateMatches(item))
// {
// skip = filterFunc != null ? filterFunc(item) : false;
// }
// else
// skip = true;
//}
//else
// skip = filterFunc != null ? filterFunc(item) : false;
if (skip == null)
{
return(null);
}
//if (!(sr.BaseStream is MemoryStream))
//{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, Environment.NewLine);
if (!skip.Value)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Loading line [{0}]...".FormatString(pair.Item1));
}
else
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Skipping line [{0}]...".FormatString(pair.Item1));
}
//}
if (skip.Value)
{
return(skip);
}
//if (!(sr.BaseStream is MemoryStream))
// ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, ChoETLFramework.Switch.TraceVerbose, "Loading line [{0}]...".FormatString(item.Item1));
//if (Task != null)
// return !IsStateNOTExistsOrNOTMatch(item);
if (pair.Item2.IsNullOrWhiteSpace())
{
if (!Configuration.IgnoreEmptyLine)
{
throw new ChoParserException("Empty line found at {0} location.".FormatString(pair.Item1));
}
else
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Ignoring empty line found at [{0}].".FormatString(pair.Item1));
return(true);
}
}
//LoadExcelSeparator if any
if (pair.Item1 == 1 &&
!_excelSeparatorFound)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Inspecting for excel separator at [{0}]...".FormatString(pair.Item1));
bool retVal = LoadExcelSeperatorIfAny(pair);
_excelSeparatorFound = true;
if (Configuration.HasExcelSeparator.HasValue &&
Configuration.HasExcelSeparator.Value &&
!retVal)
{
throw new ChoParserException("Missing excel separator header line in the file.");
}
if (retVal)
{
return(true);
}
}
if (commentTokens == null)
{
return(false);
}
else
{
var x = (from comment in commentTokens
where !pair.Item2.IsNull() && pair.Item2.StartsWith(comment, true, Configuration.Culture)
select comment).FirstOrDefault();
if (x != null)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Comment line found at [{0}]...".FormatString(pair.Item1));
return(true);
}
}
if (!_configCheckDone)
{
Configuration.Validate(GetHeaders(pair.Item2));
_configCheckDone = true;
}
//LoadHeader if any
if (Configuration.FileHeaderConfiguration.HasHeaderRecord &&
!_headerFound)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Loading header line at [{0}]...".FormatString(pair.Item1));
LoadHeaderLine(pair);
_headerFound = true;
return(true);
}
return(false);
}))
{
while (true)
{
Tuple <int, string> pair = e.Peek;
if (pair == null)
{
RaiseEndLoad(sr);
yield break;
}
object rec = ChoActivator.CreateInstance(RecordType);
if (!LoadLine(pair, ref rec))
{
yield break;
}
//StoreState(e.Current, rec != null);
e.MoveNext();
if (rec == null)
{
continue;
}
yield return(rec);
}
}
}
public override IEnumerable <object> WriteTo(object writer, IEnumerable <object> records, Func <object, bool> predicate = null)
{
TextWriter sw = writer as TextWriter;
ChoGuard.ArgumentNotNull(sw, "TextWriter");
if (records == null)
{
yield break;
}
if (!RaiseBeginWrite(sw))
{
yield break;
}
CultureInfo prevCultureInfo = System.Threading.Thread.CurrentThread.CurrentCulture;
System.Threading.Thread.CurrentThread.CurrentCulture = Configuration.Culture;
string recText = String.Empty;
try
{
foreach (object record in records)
{
_index++;
if (TraceSwitch.TraceVerbose)
{
if (record is IChoETLNameableObject)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Writing [{0}] object...".FormatString(((IChoETLNameableObject)record).Name));
}
else
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Writing [{0}] object...".FormatString(_index));
}
}
recText = String.Empty;
if (record != null)
{
if (predicate == null || predicate(record))
{
//Discover and load Xml columns from first record
if (!_configCheckDone)
{
string[] fieldNames = null;
if (record is ExpandoObject)
{
var dict = record as IDictionary <string, Object>;
fieldNames = dict.Keys.ToArray();
}
else
{
fieldNames = ChoTypeDescriptor.GetProperties <ChoXmlNodeRecordFieldAttribute>(record.GetType()).Select(pd => pd.Name).ToArray();
if (fieldNames.Length == 0)
{
fieldNames = ChoType.GetProperties(record.GetType()).Select(p => p.Name).ToArray();
}
}
Configuration.Validate(fieldNames);
_configCheckDone = true;
sw.Write("<{0}{1}>".FormatString(Configuration.RootName, GetNamespaceText()));
}
if (!RaiseBeforeRecordWrite(record, _index, ref recText))
{
yield break;
}
if (recText == null)
{
continue;
}
try
{
if ((Configuration.ObjectValidationMode & ChoObjectValidationMode.ObjectLevel) == ChoObjectValidationMode.ObjectLevel)
{
record.DoObjectLevelValidation(Configuration, Configuration.XmlRecordFieldConfigurations);
}
if (ToText(_index, record, out recText))
{
sw.Write("{1}{0}", recText, Configuration.EOLDelimiter);
if (!RaiseAfterRecordWrite(record, _index, recText))
{
yield break;
}
}
}
catch (ChoParserException)
{
throw;
}
catch (Exception ex)
{
ChoETLFramework.HandleException(ex);
if (Configuration.ErrorMode == ChoErrorMode.IgnoreAndContinue)
{
}
else if (Configuration.ErrorMode == ChoErrorMode.ReportAndContinue)
{
if (!RaiseRecordWriteError(record, _index, recText, ex))
{
throw;
}
}
else
{
throw;
}
}
}
}
yield return(record);
if (Configuration.NotifyAfter > 0 && _index % Configuration.NotifyAfter == 0)
{
if (RaisedRowsWritten(_index))
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Abort requested.");
yield break;
}
}
}
if (_configCheckDone)
{
sw.Write("{1}</{0}>".FormatString(Configuration.RootName, Configuration.EOLDelimiter));
}
}
finally
{
System.Threading.Thread.CurrentThread.CurrentCulture = prevCultureInfo;
}
RaiseEndWrite(sw);
}
public ChoManifoldRecordReader(ChoManifoldRecordConfiguration configuration) : base(typeof(object))
{
ChoGuard.ArgumentNotNull(configuration, "Configuration");
Configuration = configuration;
//Configuration.Validate();
}
public static object ConvertFrom(object value, MemberInfo memberInfo, object sourceObject = null, CultureInfo culture = null)
{
ChoGuard.ArgumentNotNull(memberInfo, "MemberInfo");
return(ChoConvert.ConvertFrom(value, ChoType.GetMemberType(memberInfo), sourceObject, ChoTypeDescriptor.GetTypeConverters(memberInfo), ChoTypeDescriptor.GetTypeConverterParams(memberInfo), culture));
}
public override IEnumerable <object> WriteTo(object writer, IEnumerable <object> records, Func <object, bool> predicate = null)
{
_sw = writer;
TextWriter sw = writer as TextWriter;
ChoGuard.ArgumentNotNull(sw, "TextWriter");
if (Configuration.JsonSerializerSettings.ContractResolver is ChoPropertyRenameAndIgnoreSerializerContractResolver)
{
ChoPropertyRenameAndIgnoreSerializerContractResolver cr = Configuration.JsonSerializerSettings.ContractResolver as ChoPropertyRenameAndIgnoreSerializerContractResolver;
cr.CallbackRecordFieldWrite = _callbackRecordFieldWrite;
cr.Writer = Writer;
}
if (records == null)
{
yield break;
}
if (Configuration.SingleDocument == null)
{
Configuration.SingleDocument = false;
}
CultureInfo prevCultureInfo = System.Threading.Thread.CurrentThread.CurrentCulture;
System.Threading.Thread.CurrentThread.CurrentCulture = Configuration.Culture;
string recText = String.Empty;
bool recordIgnored = false;
try
{
foreach (object record in records)
{
_index++;
//if (!isFirstRec)
//{
// if (!recordIgnored)
// sw.Write(",");
// else
// recordIgnored = false;
//}
if (TraceSwitch.TraceVerbose)
{
if (record is IChoETLNameableObject)
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Writing [{0}] object...".FormatString(((IChoETLNameableObject)record).Name));
}
else
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Writing [{0}] object...".FormatString(_index));
}
}
recText = String.Empty;
if (predicate == null || predicate(record))
{
//Discover and load Xml columns from first record
if (!Configuration.IsInitialized)
{
if (record == null)
{
continue;
}
string[] fieldNames = null;
if (Configuration.RecordType == typeof(object))
{
Type recordType = ElementType == null?record.GetType() : ElementType;
RecordType = Configuration.RecordType = recordType.GetUnderlyingType(); //.ResolveType();
Configuration.IsDynamicObject = recordType.IsDynamicType();
}
if (typeof(IDictionary).IsAssignableFrom(Configuration.RecordType) ||
typeof(IList).IsAssignableFrom(Configuration.RecordType))
{
Configuration.UseYamlSerialization = true;
}
if (!Configuration.IsDynamicObject)
{
if (Configuration.YamlRecordFieldConfigurations.Count == 0)
{
Configuration.MapRecordFields(Configuration.RecordType);
}
}
if (Configuration.IsDynamicObject)
{
var dict = record.ToDynamicObject() as IDictionary <string, Object>;
fieldNames = dict.Keys.ToArray();
}
else
{
fieldNames = ChoTypeDescriptor.GetProperties <ChoYamlRecordFieldAttribute>(Configuration.RecordType).Select(pd => pd.Name).ToArray();
if (fieldNames.Length == 0)
{
fieldNames = ChoType.GetProperties(Configuration.RecordType).Select(p => p.Name).ToArray();
}
}
Configuration.Validate(fieldNames);
Configuration.IsInitialized = true;
if (!BeginWrite.Value)
{
yield break;
}
}
if (!RaiseBeforeRecordWrite(record, _index, ref recText))
{
yield break;
}
if (recText == null)
{
continue;
}
try
{
if ((Configuration.ObjectValidationMode & ChoObjectValidationMode.ObjectLevel) == ChoObjectValidationMode.ObjectLevel)
{
record.DoObjectLevelValidation(Configuration, Configuration.YamlRecordFieldConfigurations);
}
if (ToText(_index, record, out recText))
{
if (recText.EndsWith("..."))
{
recText = recText.Left(recText.Length - 3);
}
if (recText.EndsWith($"...{Environment.NewLine}"))
{
recText = recText.Left(recText.Length - $"...{Environment.NewLine}".Length);
}
if (!Configuration.SingleDocument.Value)
{
sw.Write($"---{EOLDelimiter}");
}
sw.Write("{0}", recText);
if (!Configuration.SingleDocument.Value)
{
sw.Write($"...{EOLDelimiter}");
}
if (!RaiseAfterRecordWrite(record, _index, recText))
{
yield break;
}
}
}
//catch (ChoParserException)
//{
// throw;
//}
catch (Exception ex)
{
ChoETLFramework.HandleException(ref ex);
if (Configuration.ErrorMode == ChoErrorMode.IgnoreAndContinue)
{
recordIgnored = true;
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Error [{0}] found. Ignoring record...".FormatString(ex.Message));
}
else if (Configuration.ErrorMode == ChoErrorMode.ReportAndContinue)
{
if (!RaiseRecordWriteError(record, _index, recText, ex))
{
throw;
}
else
{
recordIgnored = true;
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Error [{0}] found. Ignoring record...".FormatString(ex.Message));
}
}
else
{
throw;
}
}
}
yield return(record);
if (Configuration.NotifyAfter > 0 && _index % Configuration.NotifyAfter == 0)
{
if (RaisedRowsWritten(_index))
{
ChoETLFramework.WriteLog(TraceSwitch.TraceVerbose, "Abort requested.");
yield break;
}
}
}
}
finally
{
System.Threading.Thread.CurrentThread.CurrentCulture = prevCultureInfo;
}
}
public static IEnumerable <string> ReadLines(this TextReader reader, string EOLDelimiter = null, char quoteChar = ChoCharEx.NUL, bool mayContainEOLInData = false, int maxLineSize = 32768)
{
ChoGuard.ArgumentNotNull(reader, "TextReader");
EOLDelimiter = EOLDelimiter ?? Environment.NewLine;
if (!mayContainEOLInData &&
(EOLDelimiter == Environment.NewLine ||
(EOLDelimiter.Length == 1 && EOLDelimiter[0] == '\r') ||
(EOLDelimiter.Length == 1 && EOLDelimiter[0] == '\n')
))
{
string line;
while ((line = reader.ReadLine()) != null)
{
yield return(line);
}
}
bool isPrevEscape = false;
bool inQuote = false;
List <char> buffer = new List <char>();
char c = ChoCharEx.NUL;
CircularBuffer <char> delim_buffer = new CircularBuffer <char>(EOLDelimiter.Length);
while (reader.Peek() >= 0)
{
isPrevEscape = c == ChoCharEx.Backslash;
c = (char)reader.Read();
delim_buffer.Enqueue(c);
if (quoteChar != ChoCharEx.NUL && quoteChar == c)
{
if (!isPrevEscape)
{
inQuote = !inQuote;
}
else if (reader.Peek() == quoteChar)
{
inQuote = false;
}
}
if (!inQuote)
{
if (delim_buffer.ToString() == EOLDelimiter)
{
if (buffer.Count > 0)
{
string x = new String(buffer.ToArray());
yield return(x.Substring(0, x.Length - (EOLDelimiter.Length - 1)));
buffer.Clear();
}
continue;
}
}
buffer.Add(c);
if (buffer.Count > maxLineSize)
{
throw new ApplicationException("Large line found. Check and correct the end of line delimiter.");
}
}
if (buffer.Count > 0)
{
yield return(new String(buffer.ToArray()));
}
else
{
yield break;
}
}
public static T JsonDeserialize <T>(string JsonString, Encoding encoding = null)
{
ChoGuard.ArgumentNotNullOrEmpty(JsonString, "JsonString");
return((T)JsonDeserialize(JsonString, typeof(T), encoding));
}
