public static string AbstractValidationMessage <TAttribute>(TypeAttribute <TAttribute> attribute, string prefix = null)
where TAttribute : Attribute
=> GetTypePropertyValidationString(prefix, attribute.Type.FullName, $"{(attribute.Type.IsAbstract ? "not " : "")} be abstract");
public static string GenericValidationMessage <TAttribute>(TypeAttribute <TAttribute> attribute, string prefix = null)
where TAttribute : Attribute
=> GetTypePropertyValidationString(prefix, attribute.Type.FullName, $"{(attribute.Type.IsGenericType ? "not " : "")}be generic");
/// <summary>
/// Checks whether the type is an abstract type.
/// </summary>
/// <param name="typeAttribute">The <see cref="TypeAttribute{TAttribute}"/> instance to check<./param>
/// <returns>True if the type satisfies the constraint, false otherwise.</returns>
public bool SatisfiesConstraint(TypeAttribute <TAttribute> typeAttribute)
=> typeAttribute.Type.IsAbstract;
/// <summary>
/// Checks whether the type is not a generic type.
/// </summary>
/// <param name="typeAttribute">The <see cref="TypeAttribute{TAttribute}"/> instance to check.</param>
/// <returns>True if the type satisfies the constraint, false otherwise.</returns>
public bool SatisfiesConstraint(TypeAttribute <TAttribute> typeAttribute)
=> !typeAttribute.Type.IsGenericType;
/// <summary>
/// Checks whether the type is a non-static type.
/// </summary>
/// <param name="typeAttribute">The <see cref="TypeAttribute{TAttribute}"/> instance to check.</param>
/// <returns>True if the type satisfies the constraint, false otherwise.</returns>
public bool SatisfiesConstraint(TypeAttribute <TAttribute> typeAttribute)
=> !(typeAttribute.Type.IsSealed && typeAttribute.Type.IsAbstract);
/// <summary>
/// Checks whether the type is a subclass of the provided type.
/// </summary>
/// <param name="typeAttribute">The <see cref="TypeAttribute{TAttribute}"/> instance to check.</param>
/// <param name="parentType"></param>
/// <returns>True if the type satisfies the constraint, false otherwise.</returns>
public bool SatisfiesConstraint(TypeAttribute <TAttribute> typeAttribute, Type parentType)
{
return(typeAttribute.Type.IsSubclassOf(parentType));
}