/// <summary>
/// Creates a <see cref="IStumpRule"/> from a <see cref="RuleContract"/>.
/// </summary>
/// <param name="contract">The <see cref="RuleContract"/> used to create the <see cref="IStumpRule"/>.</param>
/// <returns>A <see cref="IStumpRule"/> object created from the specified <paramref name="contract"/>.</returns>
/// <exception cref="ArgumentNullException"><paramref name="contract"/> is <c>null</c>.</exception>
public static IStumpRule CreateRuleFromContract(RuleContract contract)
{
contract = contract ?? throw new ArgumentNullException(nameof(contract));
var type = KnownRules[contract.RuleName];
var rule = Activator.CreateInstance(type) as IStumpRule;
rule.InitializeFromSettings(contract.GetRuleSettings());
return(rule);
}
/// <summary>
/// Creates an object based on an <see cref="IStumpRule"/> from a <see cref="RuleContract"/>.
/// </summary>
/// <typeparam name="T">The concrete implementation of the <see cref="IStumpRule"/> rule to create.</typeparam>
/// <param name="contract">The <see cref="RuleContract"/> used to create the <see cref="IStumpRule"/>.</param>
/// <returns>A <see cref="IStumpRule"/> object created from the specified <paramref name="contract"/>.</returns>
/// <exception cref="ArgumentNullException"><paramref name="contract"/> is <c>null</c>.</exception>
public static T CreateRuleFromContract <T>(RuleContract contract) where T : IStumpRule, new()
{
contract = contract ?? throw new ArgumentNullException(nameof(contract));
var type = KnownRules[contract.RuleName];
var rule = Activator.CreateInstance(type) as IStumpRule;
if (rule is T)
{
rule.InitializeFromSettings(contract.GetRuleSettings());
}
else
{
return((T)Activator.CreateInstance(typeof(T)));
}
return((T)rule);
}
