/// <summary>
/// Applies a requirement to the value of the current property.
/// If it is not met, when the property's value is set, an exception
/// is thrown.
/// </summary>
/// <param name="condition"></param>
/// <param name="failureMessage"></param>
/// <returns></returns>
public PropertyBase <T> Require(Predicate <T> condition, string failureMessage)
{
var requirement = new LambdaRequirement <T>(condition, failureMessage, null);
AddRequirement(requirement);
return(this);
}
/// <summary>
/// Applies a requirement to the value of the current property.
/// If it is not met, when the property's value is set,
/// the value is coerced into an acceptable domain.
/// </summary>
/// <param name="condition"></param>
/// <param name="coercion"></param>
/// <param name="logMessage"></param>
/// <returns></returns>
public PropertyBase <T> Coerce(Func <T, T> coercion,
string logMessage = "")
{
if (coercion == null)
{
throw new ArgumentNullException("coercion");
}
//The condition is set to always false, because coercion must
//be run in all cases (for every value, even if it is correct).
var requirement = new LambdaRequirement <T>(v => false, logMessage, coercion);
AddRequirement(requirement);
return(this);
}
