internal static Type FindTarget(Type consumer)
{
foreach (object attribute in consumer.GetCustomAttributes(typeof(TargetTypeAttribute), true))
{
TargetTypeAttribute targetAttribute = attribute as TargetTypeAttribute;
if (targetAttribute != null)
{
return(targetAttribute.target);
}
}
throw new InvalidOperationException("No constraint Target is defined for the consumer Type :" + consumer);
}
public List <Type> CheckConstraints(Type t)
{
List <Type> types = new List <Type>();
foreach (PropertyDescriptor prop in DiscoverableInputHelper.GetInputProperties(t))
{
Trace.WriteLine(String.Format("[ConstraintsTable] Checking Property Constraint {0} on {1}.", prop.Name, t));
Type inputType = prop.PropertyType;
if (prop.Attributes.Contains(InputAttribute.CreateFromConstraints))
{
ConstrainedDataSource datasource = Get(TargetTypeAttribute.FindTarget(t), prop.Name);
if (null == datasource)
{
throw new InvalidOperationException("Missing constraint entry for" + t + " property: " + prop.Name);
}
else
{
datasource.Validate();
}
}
}
return(types);
}