唯一的原因是我可以看到城堡吃掉異常,如果會話被注入爲一個屬性,這使得Castle認爲它是可選的。
以下是我固定它...我創建拋出失敗時設置一個屬性值的異常活化劑:
public class StrictComponentActivator : DefaultComponentActivator
{
public StrictComponentActivator(ComponentModel model, IKernelInternal kernel,
ComponentInstanceDelegate onCreation,
ComponentInstanceDelegate onDestruction)
: base(model, kernel, onCreation, onDestruction) { }
protected override void SetUpProperties(object instance, CreationContext context)
{
instance = ProxyUtil.GetUnproxiedInstance(instance);
var resolver = Kernel.Resolver;
foreach(var property in Model.Properties)
{
var value = ObtainPropertyValue(context, property, resolver);
if(value != null)
{
var setMethod = property.Property.GetSetMethod();
try
{
setMethod.Invoke(instance, new[] { value });
}
catch(Exception ex)
{
throw new ComponentActivatorException(
string.Format(
"Error setting property {1}.{0} " +
"in component {2}. " +
"See inner exception for more information. " +
"If you don't want Windsor to set this property " +
"you can do it by either decorating it with " +
"DoNotWireAttribute or via registration API.",
property.Property.Name,
instance.GetType().Name,
Model.Name),
ex, Model);
}
}
}
}
private object ObtainPropertyValue(CreationContext context, PropertySet property, IDependencyResolver resolver)
{
if(property.Dependency.IsOptional == false ||
resolver.CanResolve(context, context.Handler, Model, property.Dependency))
{
try
{
return resolver.Resolve(context, context.Handler, Model, property.Dependency);
}
catch(Exception e)
{
if(property.Dependency.IsOptional == false)
{
throw;
}
Kernel.Logger.Warn(
string.Format("Exception when resolving optional dependency {0} on component {1}.",
property.Dependency, Model.Name), e);
}
}
return null;
}
}
然後我配置了我的大部分組件與.Activator<StrictComponentActivator>()
我我也在尋找這個......在此期間,我能夠在日誌文件中發現異常情況,以便更好地瞭解Windsor發生了什麼事情:http://stackoverflow.com/a/21007268/114029 – 2014-01-08 22:02:57