本文整理汇总了C#中FileHelperAsyncEngine.BeginReadFile方法的典型用法代码示例。如果您正苦于以下问题：C# FileHelperAsyncEngine.BeginReadFile方法的具体用法？C# FileHelperAsyncEngine.BeginReadFile怎么用？C# FileHelperAsyncEngine.BeginReadFile使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类FileHelperAsyncEngine的用法示例。
在下文中一共展示了FileHelperAsyncEngine.BeginReadFile方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Import
internal void Import()
{
var repo = new AddressRepository();
using (var engine = new FileHelperAsyncEngine<REDPostalAddressImport>())
{
engine.BeginReadFile(_fileName);
var swWrite = Stopwatch.StartNew();
var processed = 0L;
var postalAddresses = new List<PostalAddress>();
foreach (REDPostalAddressImport postalAddress in engine)
{
postalAddresses.Add(Convert(postalAddress));
if (postalAddresses.Count == 100000)
{
processed += postalAddresses.Count;
repo.Write(postalAddresses);
postalAddresses.Clear();
Console.WriteLine("Processed {0} in {1}", processed, swWrite.Elapsed);
swWrite.Restart();
}
}
if (postalAddresses.Count > 0)
{
repo.Write(postalAddresses);
processed += postalAddresses.Count;
Console.WriteLine("Processed {0} in {1}", processed, swWrite.Elapsed);
}
}
}示例2: Run
//-> /File
//-> Instantiate a FileHelperAsyncEngine and read or write files:
public override void Run()
{
//-> File:Example.cs
var engine = new FileHelperAsyncEngine<Customer>();
// Read
using(engine.BeginReadFile("Input.txt"))
{
// The engine is IEnumerable
foreach(Customer cust in engine)
{
// your code here
Console.WriteLine(cust.Name);
}
}
// Write
var arrayCustomers = new Customer[] {
new Customer { CustId = 1732, Name = "Juan Perez", Balance = 435.00m,
AddedDate = new DateTime (2020, 5, 11) },
new Customer { CustId = 554, Name = "Pedro Gomez", Balance = 12342.30m,
AddedDate = new DateTime (2004, 2, 6) },
};
using(engine.BeginWriteFile("TestOut.txt"))
{
foreach(Customer cust in arrayCustomers)
{
engine.WriteNext(cust);
}
}
//-> /File
}示例3: ReadWrite
/// <summary>
/// Process the delimited file twice,
/// once with the simple engine, once with Async
/// </summary>
/// <remarks>
/// This is a simple sample of using the Normal engine and the Async engine
/// </remarks>
public void ReadWrite()
{
var engine = new FileHelperEngine<Orders>();
// to Read use:
Orders[] res = engine.ReadFile(@"C:\TestIn.txt");
// to Write use:
engine.WriteFile(@"C:\TestOut.txt", res);
foreach (Orders order in res) {
Console.WriteLine("Order Info:");
Console.WriteLine(order.CustomerID + " - " +
order.OrderDate.ToString("dd/MM/yy"));
}
var asyncEngine = new FileHelperAsyncEngine<Orders>();
asyncEngine.BeginReadFile(@"C:\TestIn.txt");
Orders ord;
while (asyncEngine.ReadNext() != null) {
ord = asyncEngine.LastRecord;
// your code here
Console.WriteLine(ord.CustomerID);
}
}示例4: ImportGeonamesFrom
public void ImportGeonamesFrom(string fileName)
{
var geoNames = new FileHelperAsyncEngine(typeof(Geoname));
geoNames.BeginReadFile(fileName);
_geoDataStore.DeleteAll();
long cnt = 0;
foreach (Geoname geoName in geoNames)
{
//Store the name in a format suitable for case-insensitive searching:
geoName.Name = geoName.Name.ToUpper();
if (geoName.FeatureClass == "P")
{
SaveCity(geoName, cnt);
}
// Parks: http://127.0.0.1:28017/local/geonames/?filter_FeatureClass=L&filter_FeatureCode=PRK
if(geoName.FeatureClass.Equals("L") && geoName.FeatureCode.Equals("PRK"))
{
SavePark(geoName);
}
cnt++;
}
_geoDataStore.DoIndexing();
geoNames.Close();
}开发者ID:robertreppel，项目名称:Find-A-Park---Geospatial-searching-in-MongoDB，代码行数:31，代码来源:GeoDataImporter.cs
示例5: AsyncRead
public void AsyncRead()
{
var asyncEngine = new FileHelperAsyncEngine<SampleType>();
SampleType rec1, rec2;
asyncEngine.BeginReadFile(FileTest.Good.Test1.Path);
rec1 = asyncEngine.ReadNext();
Assert.IsNotNull(rec1);
rec2 = asyncEngine.ReadNext();
Assert.IsNotNull(rec1);
Assert.IsTrue(rec1 != rec2);
rec1 = asyncEngine.ReadNext();
Assert.IsNotNull(rec2);
rec1 = asyncEngine.ReadNext();
Assert.IsNotNull(rec2);
Assert.IsTrue(rec1 != rec2);
Assert.AreEqual(0, asyncEngine.ErrorManager.ErrorCount);
asyncEngine.Close();
}示例6: AsyncRead
public void AsyncRead()
{
FileHelperAsyncEngine<SampleType> asyncEngine = new FileHelperAsyncEngine<SampleType>();
SampleType rec1, rec2;
asyncEngine.BeginReadFile(Common.TestPath(@"Good\test1.txt"));
rec1 = asyncEngine.ReadNext();
Assert.IsNotNull(rec1);
rec2 = asyncEngine.ReadNext();
Assert.IsNotNull(rec1);
Assert.IsTrue(rec1 != rec2);
rec1 = asyncEngine.ReadNext();
Assert.IsNotNull(rec2);
rec1 = asyncEngine.ReadNext();
Assert.IsNotNull(rec2);
Assert.IsTrue(rec1 != rec2);
Assert.AreEqual(0, asyncEngine.ErrorManager.ErrorCount);
asyncEngine.Close();
}示例7: WriteNullAsync
public void WriteNullAsync()
{
asyncEngine = new FileHelperAsyncEngine(typeof (SampleType));
asyncEngine.BeginWriteFile("tempNull.txt");
asyncEngine.WriteNext(new SampleType());
asyncEngine.WriteNext(new SampleType());
asyncEngine.WriteNext(new SampleType());
asyncEngine.Close();
asyncEngine.BeginReadFile("tempNull.txt");
SampleType[] res = (SampleType[]) asyncEngine.ReadNexts(5000);
asyncEngine.Close();
Assert.AreEqual(3, res.Length);
Assert.AreEqual(3, asyncEngine.TotalRecords);
Assert.AreEqual(0, asyncEngine.ErrorManager.ErrorCount);
Assert.AreEqual(DateTime.MinValue, res[0].Field1);
Assert.AreEqual("", res[0].Field2);
Assert.AreEqual(0, res[0].Field3);
if (File.Exists("tempNull.txt")) File.Delete("tempNull.txt");
}示例8: ReadAllAsync
public static object[] ReadAllAsync(FileHelperAsyncEngine engine, string fileName)
{
ArrayList arr = new ArrayList();
engine.BeginReadFile(@"..\..\data\" + fileName);
while(engine.ReadNext() != null)
arr.Add(engine.LastRecord);
engine.Close();
return arr.ToArray();
}示例9: ReadAllAsync
public static object[] ReadAllAsync(FileHelperAsyncEngine engine, params string[] pathElements)
{
ArrayList arr = new ArrayList();
using (engine.BeginReadFile(GetPath(pathElements)))
{
while (engine.ReadNext() != null)
arr.Add(engine.LastRecord);
}
return arr.ToArray();
}示例10: Main
static void Main(string[] args)
{
FileHelperAsyncEngine engine = new FileHelperAsyncEngine (typeof(TestRecord));
engine.BeginReadFile(@"E:\_SVN\FileHelpers\test2.csv");
//string s;
while(engine.ReadNext() != null)
{
}
engine.Close();
}示例11: read
public void read()
{
var engine = new FileHelperAsyncEngine<Racer>();
engine.ErrorManager.ErrorMode = ErrorMode.IgnoreAndContinue;
using (engine.BeginReadFile(FileName))
{
foreach (Racer r in engine)
{
RaiseRacerParsed(r);
}
}
RaiseEndOfFileReached();
}示例12: ReadIncomingTable
/// <summary>
/// Reads rows from the IncomingEncounterTable into the RowsToImport List.
/// </summary>
protected override void ReadIncomingTable()
{
try
{
try
{
base.ReadIncomingTable();
// strip off any path saved in the database and look in the correct place
string fileToProcess = Path.Combine(SystemDataProvider.CurrentSettings.FileProcessingPath, Path.GetFileName(file.FileName));
log.DebugFormat("Looking for file {0}", fileToProcess);
if (!File.Exists(fileToProcess))
{
throw new FileNotFoundException(fileToProcess);
}
log.Debug("Loading File contents to Staging");
// use the async engine so that we can save to the staging database a row at a time.
using (FileHelperAsyncEngine<PatientEncounter> engine = new FileHelperAsyncEngine<PatientEncounter>())
{
engine.ErrorMode = ErrorMode.SaveAndContinue;
engine.BeginReadFile(fileToProcess);
foreach (PatientEncounter row in engine)
{
row.SaveToStaging(job, engine.LineNumber, engine.Options.RecordToString(row), SystemDataProvider.ClientDataProvider);
if (engine.LineNumber % ProgressIndicator == 0)
{
log.DebugFormat("{0:#,#} rows loaded", engine.LineNumber);
}
}
}
}
catch (Exception e)
{
log.ErrorFormat("Error in ReadIncomingTable() with exception: {0}", e.Message);
throw;
}
}
finally
{
log.InfoFormat("{0:#,#} Encounter rows loaded for processing from ImportedFileStatusID {1}.", RowsInFile, file.ImportedFileStatusID);
}
}示例13: ReadEventsCancelAfter
public void ReadEventsCancelAfter()
{
before = 0;
after = 0;
engine = new FileHelperAsyncEngine(typeof(SampleType));
engine.AfterReadRecord += new AfterReadRecordHandler(AfterEvent2);
engine.BeginReadFile(Common.TestPath(@"Good\test1.txt"));
int count = 0;
foreach (SampleType t in engine)
count++;
Assert.AreEqual(0, count);
Assert.AreEqual(4, engine.TotalRecords);
Assert.AreEqual(0, before);
Assert.AreEqual(4, after);
}示例14: AsyncReadMoreAndMore
public void AsyncReadMoreAndMore()
{
var asyncEngine = new FileHelperAsyncEngine<SampleType>();
SampleType rec1;
asyncEngine.BeginReadFile(FileTest.Good.Test1.Path);
rec1 = asyncEngine.ReadNext();
rec1 = asyncEngine.ReadNext();
rec1 = asyncEngine.ReadNext();
rec1 = asyncEngine.ReadNext();
rec1 = asyncEngine.ReadNext();
Assert.IsTrue(rec1 == null);
rec1 = (SampleType) asyncEngine.ReadNext();
Assert.AreEqual(0, asyncEngine.ErrorManager.ErrorCount);
asyncEngine.Close();
}示例15: AsyncReadEnumerable
public void AsyncReadEnumerable()
{
var asyncEngine = new FileHelperAsyncEngine<SampleType>();
asyncEngine.BeginReadFile(FileTest.Good.Test1.Path);
int lineAnt = asyncEngine.LineNumber;
foreach (var rec1 in asyncEngine)
{
Assert.IsNotNull(rec1);
Assert.AreEqual(lineAnt + 1, asyncEngine.LineNumber);
lineAnt = asyncEngine.LineNumber;
}
Assert.AreEqual(4, asyncEngine.TotalRecords);
Assert.AreEqual(0, asyncEngine.ErrorManager.ErrorCount);
asyncEngine.Close();
}