/// <summary>
/// Use to ensure certain aspect is used when method is intercepted.
/// </summary>
/// <param name="aspectType"></param>
/// <param name="missingAspectOption"></param>
/// <param name="constructorArgs"></param>
public RequiredAspectAttribute(Type aspectType, WhenRequiredAspectIsMissing missingAspectOption, params object[] constructorArgs)
{
if(aspectType == null)
throw new ArgumentNullException("aspectType");
if(!aspectType.IsSubclassOf(typeof(Aspect)))
throw new ArgumentException("aspectType must be a subclass of the Aspect class.");
this.AspectClassType = aspectType;
if(missingAspectOption != WhenRequiredAspectIsMissing.DontInstantiate)
{
// Need to instantiate missing aspect
Func<object> rawActivator = aspectType.GetFastActivatorWithEmbeddedArgs(constructorArgs);
if(rawActivator != null)
{
this.activator = () => (Aspect)rawActivator();
} else
{
// No activator found
string strErrorMsg = "Unable to find {0}({1}) constructor necessary to instantiate required missing aspect {0}."
.SmartFormat(aspectType.FormatCSharp(),
string.Join(", ", constructorArgs.Select(arg => arg == null ? "[ANY]" : arg.GetType().FormatCSharp()))
);
throw new ArgumentException(strErrorMsg, "aspectType");
}
}
this.InstantiateIfMissing = missingAspectOption;
}
/// <summary>
/// Use to ensure certain aspect is used when method is intercepted.
/// </summary>
/// <param name="aspectType"></param>
/// <param name="missingAspectOption"></param>
/// <param name="constructorArgs"></param>
public RequiredAspectAttribute(Type aspectType, WhenRequiredAspectIsMissing missingAspectOption, params object[] constructorArgs)
{
if (aspectType == null)
{
throw new ArgumentNullException("aspectType");
}
if (!aspectType.IsSubclassOf(typeof(Aspect)))
{
throw new ArgumentException("aspectType must be a subclass of the Aspect class.");
}
this.AspectClassType = aspectType;
if (missingAspectOption != WhenRequiredAspectIsMissing.DontInstantiate)
{
// Need to instantiate missing aspect
Func <object> rawActivator = aspectType.GetFastActivatorWithEmbeddedArgs(constructorArgs);
if (rawActivator != null)
{
this.activator = () => (Aspect)rawActivator();
}
else
{
// No activator found
string strErrorMsg = "Unable to find {0}({1}) constructor necessary to instantiate required missing aspect {0}."
.SmartFormat(aspectType.FormatCSharp(),
string.Join(", ", constructorArgs.Select(arg => arg == null ? "[ANY]" : arg.GetType().FormatCSharp()))
);
throw new ArgumentException(strErrorMsg, "aspectType");
}
}
this.InstantiateIfMissing = missingAspectOption;
}
