/// <summary>
/// 派发服务命令
/// </summary>
/// <param name="commandType">命令类型</param>
/// <param name="commandResultType">命令响应类型</param>
/// <param name="commandData">命令实例</param>
/// <returns>命令响应实例</returns>
public IServiceCommandResult DispatchCommand(Type commandType, Type commandResultType, IServiceCommand commandData)
{
var commandName = new ServiceUniqueNameInfo(commandType);
ServiceCommandTypeInfo commandTypeInfo;
bool isLocalCommandFound = this.registry.IsLocalServiceCommand(commandName, out commandTypeInfo);
if (!isLocalCommandFound)
{
throw new WindServiceBusLocalServiceNotFoundException(commandName.FullServiceUniqueName);
}
//从本地容器找
IServiceCommandHandlerFactory handlerFactory = commandTypeInfo.CommandHandlerFactory;
IServiceCommandHandler commandHandler = handlerFactory.CreateHandler(); //服务实例（命令处理者）
try
{
Type commandHandlerType = typeof(IServiceCommandHandler <,>).MakeGenericType(commandType, commandResultType);
MethodInfo method = commandHandlerType.GetMethod("HandlerCommand", new[] { commandType });
var result = (IServiceCommandResult)method.Invoke(commandHandler, new object[] { commandData });
return(result);
}
catch (Exception ex)
{
//TODO: 异常处理
if (ex.InnerException != null)
{
throw ex.InnerException;
}
throw ex;
}
finally
{
//清理服务
handlerFactory.ReleaseHandler(commandHandler);
}
}
public void ReleaseHandler(IServiceCommandHandler handler)
{
//单件对象不会被释放
iocResolver.Release(handler);
}
