public override void RunTest()
{
_shuttleDomain.TryGetService(out _lifetimeService);
_shuttleDomain.TryGetService(out _singletonService);
_lifetimeService.Execute();
_singletonService.Execute();
}
static bool CallServicesDefinedInAnotherAssembly(ShuttleDomain shuttleDomain)
{
Console.WriteLine();
Console.WriteLine("=====================================");
var remoteDomain = AppDomain.CreateDomain(Guid.NewGuid().ToString(), null, null);
var currentDir = Path.GetDirectoryName(Assembly.GetEntryAssembly().Location);
var simpleServiceEndPath = Path.Combine(currentDir, SimpleServiceEndDll);
var asmName = AssemblyName.GetAssemblyName(simpleServiceEndPath);
var simpleRemoteServiceEnd = (SimpleRemoteServiceEnd)remoteDomain.CreateInstanceAndUnwrap
(asmName.FullName, SimpleRemoteServiceEndType);
simpleRemoteServiceEnd.CreateShuttleDomain();
simpleRemoteServiceEnd.RegisterServices();
ISimpleService2 service2;
if (shuttleDomain.TryGetService(out service2))
{
try
{
Console.WriteLine("Trying to call a remote serivce that defined in another library from AppDomain {0}...",
AppDomain.CurrentDomain.FriendlyName);
Console.WriteLine();
// 调用子 AppDomain 中注册的 ISimpleService2 服务实例的服务方法。
// Call the service method of ISimpleService2 service.
var output = service2.GetOutput("Duang");
Console.WriteLine(output);
Console.WriteLine();
}
catch
{
Console.WriteLine();
Console.WriteLine("Failed to invoke the remote service method...");
return(false);
}
}
else
{
Console.WriteLine();
Console.WriteLine("Failed to create remote service instance...");
return(false);
}
simpleRemoteServiceEnd.DisposeShuttleDomain();
return(true);
}
static bool CallServicesDefinedInThisAssembly(ShuttleDomain shuttleDomain)
{
Console.WriteLine();
Console.WriteLine("=====================================");
// 在默认 AppDomain 中创建一个子 AppDomain。
// Creating a child AppDomain in default AppDomain.
var serviceEnd1Domain = AppDomain.CreateDomain("ServiceEndDomain1", null, null);
// 创建一个 ServiceEnd 对象以用于操作该子 AppDomain。
// Creating a ServiceEnd instance for operating that child AppDomain.
var serviceEnd = (ServiceEnd)serviceEnd1Domain.CreateInstanceAndUnwrap
(typeof(Program).Assembly.FullName, "JoitCode.Shuttle.SimpleSample.ServiceEnd");
// 在子 AppDomain 中，创建一个 ShuttleDomain 实例。
// Creating a ShuttleDomain instance in the child AppDomain.
serviceEnd.CreateShuttleDomain();
// 在子 AppDomain 中，注册 ISimpleService 服务。
// Registering ISimpleService service in the child AppDomain.
serviceEnd.RegisterServices();
// 在默认 AppDomain 中，获取子 AppDomain 中注册的 ISimpleService 服务实例。
// 目前服务实例的默认生存期为 1 分钟。每次调用服务方法时，服务实例的生存期延长 30 秒。
// Get the ISimpleService service in default AppDomain, which is registered by the child AppDomain.
// The lifetime of service is default to 1 minute, every call to the service method extends that time for 30 seconds.
ISimpleService service;
if (shuttleDomain.TryGetService(out service))
{
try
{
Console.WriteLine("Currently, we are running in AppDomain {0}, " +
"and we are trying to call a remote serivce that defined in the same library...",
AppDomain.CurrentDomain.FriendlyName);
Console.WriteLine();
// 调用子 AppDomain 中注册的 ISimpleService 服务实例的服务方法。
// Call the service method of ISimpleService service.
var output = service.GetOutput("Bingo");
Console.WriteLine(output);
Console.WriteLine();
}
catch
{
Console.WriteLine();
Console.WriteLine("Failed to invoke the remote service method...");
return(false);
}
}
else
{
Console.WriteLine();
Console.WriteLine("Failed to create remote service instance...");
return(false);
}
// 通知子 AppDomain 立即释放 ISimpleService 服务实例，而不用等待其生存期结束。
// 此为可选操作，因为即使不手动释放 ISimpleService 服务实例，在其生命期结束之时系统也会自动释放该实例
//（如果 ISimpleService 实现了 IDisposable，还会调用其 Dispose 方法）
// Indicating the child AppDomain to release the ISimpleService service immediately, instead of waiting for its lifetime to end.
// This is optional, because even if we don't do this explicitly, the ISimpleService service will still get released in the
// child AppDomain automatically when its lifetime ends.
// And, if the ISimpleService derives from IDisposable, the Dispose method will also get called at that time.
shuttleDomain.ReleaseService(service);
// 在子 AppDomain 中，释放缓存的 ShuttleDomain 实例。这将会注销通过该实例注册的所有服务（在本示例中，即 ISimpleService 服务），
// 并切断该 AppDomain 与所有 AppDomain 的通信。
// Releasing the ShuttleDomain instance in the child AppDomain, this will unregister all services registered by that
// instance, and shut down all communications between that child AppDomain and all other AppDomains.
serviceEnd.DisposeShuttleDomain();
return(true);
}
