internal static IExceptionLogger CreateLogger(ServicesContainer services)
{
Contract.Requires(services != null);
IEnumerable<IExceptionLogger> loggers = services.GetExceptionLoggers();
Contract.Assume(loggers != null);
return new CompositeExceptionLogger(loggers);
}
public ActionInvoker(EventHandlerContext context, CancellationToken cancellationToken, ServicesContainer services)
{
Contract.Requires(services != null);
this.context = context;
this.cancellationToken = cancellationToken;
this.services = services;
}
/// <summary>
/// Initializes a new instance of the <see cref="HandlerServices"/> class.
/// </summary>
/// <param name="parent">
/// The parent container.
/// </param>
/// <exception cref="ArgumentNullException">
/// The <paramref name="parent"/> is null.
/// </exception>
public HandlerServices(ServicesContainer parent)
{
if (parent == null)
{
throw Error.ArgumentNull("parent");
}
this.parent = parent;
}
public EventHandlerFilterResult(EventHandlerContext context, ServicesContainer services, IEventHandlerFilter[] filters)
{
Contract.Requires(context != null);
Contract.Requires(services != null);
Contract.Requires(filters != null);
this.context = context;
this.services = services;
this.filters = filters;
}
/// <summary>
/// Gets an exception handler that calls the registered handler service, if any, and ensures exceptions do not
/// accidentally propagate to the host.
/// </summary>
/// <param name="services">The services container.</param>
/// <returns>
/// An exception handler that calls any registered handler and ensures exceptions do not accidentally propagate
/// to the host.
/// </returns>
public static IExceptionHandler GetHandler(ServicesContainer services)
{
if (services == null)
{
throw new ArgumentNullException("services");
}
Lazy<IExceptionHandler> exceptionServicesHandler = services.ExceptionServicesHandler;
Contract.Assume(exceptionServicesHandler != null);
return exceptionServicesHandler.Value;
}
/// <summary>Gets an exception logger that calls all registered logger services.</summary>
/// <param name="services">The services container.</param>
/// <returns>A composite logger.</returns>
public static IExceptionLogger GetLogger(ServicesContainer services)
{
if (services == null)
{
throw Error.ArgumentNull("services");
}
Lazy<IExceptionLogger> exceptionServicesLogger = services.ExceptionServicesLogger;
Contract.Assert(exceptionServicesLogger != null);
return exceptionServicesLogger.Value;
}
internal static IExceptionHandler CreateHandler(ServicesContainer services)
{
Contract.Requires(services != null);
IExceptionHandler innerHandler = services.GetExceptionHandler() ?? new EmptyExceptionHandler();
return new LastChanceExceptionHandler(innerHandler);
}