static void Main(string[] args)
{
NorthwindModel.NorthwindEntities entities = new NorthwindModel.NorthwindEntities(new Uri("https://services.odata.org/V3/Northwind/Northwind.svc"));
var customers = entities.Customers.ToArray();
Console.WriteLine("{0} customers in the service found.", customers.Length);
}
static void Main(string[] args)
{
const string serviceUri = "https://services.odata.org/V3/Northwind/Northwind.svc/";
var entities = new NorthwindModel.NorthwindEntities(new Uri(serviceUri)); // breakpoint #1.1
ManualResetEventSlim mre = new ManualResetEventSlim(); // (1) - Инициализация примитива синхронизации "событие".
IAsyncResult asyncResult = entities.Employees.BeginExecute((ar) =>
{
Console.WriteLine("Employees in Northwind service:");
var employees = entities.Employees.EndExecute(ar);
foreach (var person in employees)
{
Console.WriteLine("\t{0} {1}", person.FirstName, person.LastName);
}
mre.Set(); // (2) - Отправить сигнал методу WaitAll.
}, null);
WaitHandle.WaitAny(new[] { mre.WaitHandle }); // (3) - Блокировать поток выполнения, пока не будет получен сигнал.
Console.WriteLine("Press any key to continue.");
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine(".NET Core console app.");
const string serviceUri = "https://services.odata.org/V3/Northwind/Northwind.svc/";
var entities = new NorthwindModel.NorthwindEntities(new Uri(serviceUri));
ManualResetEventSlim mre = new ManualResetEventSlim();
IAsyncResult asyncResult = entities.Employees.BeginExecute((ar) =>
{
var employees = entities.Employees.EndExecute(ar);
Console.WriteLine("Employees in Northwind service:");
foreach (var person in employees)
{
Console.WriteLine("\t{0} {1}", person.FirstName, person.LastName);
}
mre.Set();
}, null);
WaitHandle.WaitAny(new[] { mre.WaitHandle });
Console.WriteLine("Press any key to continue.");
Console.ReadLine();
}
static async Task Main(string[] args)
{
NorthwindModel.NorthwindEntities entities = new NorthwindModel.NorthwindEntities(new Uri("https://services.odata.org/V3/Northwind/Northwind.svc"));
var taskFactory = new TaskFactory <IEnumerable <NorthwindModel.Customer> >();
var customers = (await taskFactory.FromAsync(entities.Customers.BeginExecute(null, null), (iar) => // breakpoint #2.1
{
return(entities.Customers.EndExecute(iar)); // breakpoint #2.2
})).ToArray();
Console.WriteLine("{0} customers in the service found.", customers.Length);
Console.ReadLine(); // breakpoint #2.3
}
static async Task Main(string[] args)
{
//1
//NorthwindModel.NorthwindEntities entities = new NorthwindModel.NorthwindEntities(new Uri("https://services.odata.org/V3/Northwind/Northwind.svc"));
//IAsyncResult asyncResult;
//asyncResult = entities.Customers.BeginExecute((ar) =>
//{
// var customers = entities.Customers.EndExecute(ar).ToArray();
// Console.WriteLine("{0} customers in the service found.", customers.Length);
//}, null);
//WaitHandle.WaitAny(new[] { asyncResult.AsyncWaitHandle });
//Console.ReadLine();
//2
//NorthwindModel.NorthwindEntities entities = new NorthwindModel.NorthwindEntities(new Uri("https://services.odata.org/V3/Northwind/Northwind.svc"));
//var taskFactory = new TaskFactory<IEnumerable<NorthwindModel.Customer>>();
//var customers = (await taskFactory.FromAsync(entities.Customers.BeginExecute(null, null), iar => entities.Customers.EndExecute(iar))).ToArray();
//Console.WriteLine("{0} customers in the service found.", customers.Length);
//Console.ReadLine();
//3
NorthwindModel.NorthwindEntities entities = new NorthwindModel.NorthwindEntities(new Uri("https://services.odata.org/V3/Northwind/Northwind.svc"));
IAsyncResult asyncResult;
asyncResult = entities.Customers.BeginExecute((ar) => // breakpoint #1.1
{
var customers = entities.Customers.EndExecute(ar).ToArray(); // breakpoint #1.2
Console.WriteLine("{0} customers in the service found.", customers.Length);
}, null);
WaitHandle.WaitAny(new[] { asyncResult.AsyncWaitHandle });
Console.ReadLine(); // breakpoint #1.3
//4
//NorthwindModel.NorthwindEntities entities = new NorthwindModel.NorthwindEntities(new Uri("https://services.odata.org/V3/Northwind/Northwind.svc"));
//var taskFactory = new TaskFactory<IEnumerable<NorthwindModel.Customer>>();
//var customers = (await taskFactory.FromAsync(entities.Customers.BeginExecute(null, null), (iar) => // breakpoint #2.1
//{
// return entities.Customers.EndExecute(iar); // breakpoint #2.2
//})).ToArray();
//Console.WriteLine("{0} customers in the service found.", customers.Length);
//Console.ReadLine(); // breakpoint #2.3
}
static void Main(string[] args)
{
const string serviceUri = "https://services.odata.org/V3/Northwind/Northwind.svc/";
var entities = new NorthwindModel.NorthwindEntities(new Uri(serviceUri));
var employees = entities.Employees;
Console.WriteLine("Employees in Northwind service:");
foreach (var person in employees)
{
Console.WriteLine("\t{0} {1}", person.FirstName, person.LastName);
}
Console.WriteLine("Press any key to continue.");
Console.ReadLine();
}
static async Task Main(string[] args)
{
Console.WriteLine(".NET Core async console app.");
const string serviceUri = "https://services.odata.org/V3/Northwind/Northwind.svc/";
var entities = new NorthwindModel.NorthwindEntities(new Uri(serviceUri));
var employees = await Task <IEnumerable <NorthwindModel.Employee> > .Factory.FromAsync(entities.Employees.BeginExecute(null, null), (iar) => entities.Employees.EndExecute(iar));
Console.WriteLine("Employees in Northwind service:");
foreach (var person in employees)
{
Console.WriteLine("\t{0} {1}", person.FirstName, person.LastName);
}
Console.WriteLine("Press any key to continue.");
Console.ReadLine();
}
public OrderService()
{
_entities = new NorthwindModel.NorthwindEntities(new Uri("https://services.odata.org/V3/Northwind/Northwind.svc"));
}
public OrderService(IOptions <Configuration.NorthwindServiceConfiguration> northwindServiceConfiguration, ILogger <OrderService> logger)
{
this.uri = northwindServiceConfiguration == null ? throw new ArgumentNullException(nameof(northwindServiceConfiguration)) : northwindServiceConfiguration.Value.Uri;
this.entities = new NorthwindModel.NorthwindEntities(uri);
this.logger = logger ?? throw new ArgumentNullException(nameof(logger));
}
/// <summary>
/// Initializes a new instance of the <see cref="ProductReportService"/> class.
/// </summary>
/// <param name="northwindServiceUri">An URL to Northwind OData service.</param>
public ProductReportService(Uri northwindServiceUri)
{
this.entities = new NorthwindModel.NorthwindEntities(northwindServiceUri ?? throw new ArgumentNullException(nameof(northwindServiceUri)));
}
public OrderService(IOptions <Configuration.NorthwindServiceConfiguration> northwindServiceConfiguration)
{
var uri = northwindServiceConfiguration == null ? throw new ArgumentNullException(nameof(northwindServiceConfiguration)) : northwindServiceConfiguration.Value.Uri;
this.entities = new NorthwindModel.NorthwindEntities(uri);
}