public void WriteAllRecordsWithMapping()
{
var records = new List<CustomObject>
{
new CustomObject
{
GuidColumn = new Guid("f96a1c66-4777-4642-86fa-703098065f5f"),
IntColumn = 1,
StringColumn = "one",
CustomTypeColumn = new CustomType
{
First = 1,
Second = 2,
Third = 3,
},
},
new CustomObject
{
GuidColumn = new Guid("06776ed9-d33f-470f-bd3f-8db842356330"),
IntColumn = 2,
StringColumn = "two",
CustomTypeColumn = new CustomType
{
First = 4,
Second = 5,
Third = 6,
},
},
};
Benchmark.This("CsvWriter.WriteRecords", () =>
{
using (var memoryStream = new MemoryStream())
using (var streamWriter = new StreamWriter(memoryStream))
using (var writer = new CsvWriter(streamWriter))
{
writer.Configuration.RegisterClassMap<CsvHelperMappingForCustomObject>();
writer.WriteRecords(records);
streamWriter.Flush();
}
})
.Against.This("FlatFileEngine.Write", () =>
{
var layout = new FlatFileMappingForCustomObject();
using (var stream = new MemoryStream())
{
var factory = new DelimitedFileEngineFactory();
var flatFile = factory.GetEngine(layout);
flatFile.Write(stream, records);
}
})
.WithWarmup(1000)
.For(10000)
.Iterations()
.PrintComparison();
}
public void WriteAllRecordsWithMapping()
{
var records = new List <CustomObject>
{
new CustomObject
{
GuidColumn = new Guid("f96a1c66-4777-4642-86fa-703098065f5f"),
IntColumn = 1,
StringColumn = "one",
CustomTypeColumn = new CustomType
{
First = 1,
Second = 2,
Third = 3,
},
},
new CustomObject
{
GuidColumn = new Guid("06776ed9-d33f-470f-bd3f-8db842356330"),
IntColumn = 2,
StringColumn = "two",
CustomTypeColumn = new CustomType
{
First = 4,
Second = 5,
Third = 6,
},
},
};
Benchmark.This("CsvWriter.WriteRecords", () =>
{
using (var memoryStream = new MemoryStream())
using (var streamWriter = new StreamWriter(memoryStream))
using (var writer = new CsvWriter(streamWriter))
{
writer.Configuration.RegisterClassMap <CsvHelperMappingForCustomObject>();
writer.WriteRecords(records);
streamWriter.Flush();
}
})
.Against.This("FlatFileEngine.Write", () =>
{
var layout = new FlatFileMappingForCustomObject();
using (var stream = new MemoryStream())
{
var factory = new DelimitedFileEngineFactory();
var flatFile = factory.GetEngine(layout);
flatFile.Write(stream, records);
}
})
.WithWarmup(1000)
.For(10000)
.Iterations()
.PrintComparison();
}
public void FlatFile()
{
var layout = new FlatFileMappingForCustomObject();
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(sampleText)))
{
var factory = new DelimitedFileEngineFactory();
var flatFile = factory.GetEngine(layout);
var objects = flatFile.Read <CustomObject>(stream).ToArray();
}
}
public void FlatFile()
{
var layout = new FlatFileMappingForCustomObject();
using (var stream = new MemoryStream())
{
var factory = new DelimitedFileEngineFactory();
var flatFile = factory.GetEngine(layout);
flatFile.Write(stream, records);
}
}
public void ReadAllRecordsWithMapping()
{
const string fileContent =
@"String Column,Int Column,Guid Column,Custom Type Column
one,1,f96a1c66-4777-4642-86fa-703098065f5f,1|2|3
two,2,06776ed9-d33f-470f-bd3f-8db842356330,4|5|6
";
Benchmark.This("CsvWriter.WriteRecords", () =>
{
using (var memoryStream = new MemoryStream(Encoding.UTF8.GetBytes(fileContent)))
using (var streamReader = new StreamReader(memoryStream))
using (var reader = new CsvReader(streamReader, CultureInfo.CurrentCulture))
{
var context = new CsvContext(reader);
context.RegisterClassMap <CsvHelperMappingForCustomObject>();
var objects = reader.GetRecords <CustomObject>().ToArray();
}
})
.Against.This("FlatFileEngine.Write", () =>
{
var layout = new FlatFileMappingForCustomObject();
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(fileContent)))
{
var factory = new DelimitedFileEngineFactory();
var flatFile = factory.GetEngine(layout);
var objects = flatFile.Read <CustomObject>(stream).ToArray();
}
})
.WithWarmup(1000)
.For(10000)
.Iterations()
.PrintComparison();
}
public void ReadAllRecordsWithMapping()
{
const string fileContent =
@"String Column,Int Column,Guid Column,Custom Type Column
one,1,f96a1c66-4777-4642-86fa-703098065f5f,1|2|3
two,2,06776ed9-d33f-470f-bd3f-8db842356330,4|5|6
";
Benchmark.This("CsvWriter.WriteRecords", () =>
{
using (var memoryStream = new MemoryStream(Encoding.UTF8.GetBytes(fileContent)))
using (var streamReader = new StreamReader(memoryStream))
using (var reader = new CsvReader(streamReader))
{
reader.Configuration.RegisterClassMap<CsvHelperMappingForCustomObject>();
var objects = reader.GetRecords<CustomObject>().ToArray();
}
})
.Against.This("FlatFileEngine.Write", () =>
{
var layout = new FlatFileMappingForCustomObject();
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(fileContent)))
{
var factory = new DelimitedFileEngineFactory();
var flatFile = factory.GetEngine(layout);
var objects = flatFile.Read<CustomObject>(stream).ToArray();
}
})
.WithWarmup(1000)
.For(10000)
.Iterations()
.PrintComparison();
}
