public RuleValidator(T parameterValue, CompiledRule <T> rule) : this(parameterValue, new List <CompiledRule <T> > {
rule
})
{
if (rule == null)
{
throw new ArgumentNullException("rule");
}
}
private ValidationResult _InvokeRule(CompiledRule <T> rule, ValidationResult result)
{
var isPassed = rule.Rule.Invoke(_parameterValue);
result.Passed = isPassed;
result.ValidationMessageSummary = isPassed ? string.Empty : rule.ValidationMessage;
result.ValidationDetails.Add(new ValidationDetail
{
ValidationMessage = rule.ValidationMessage,
Field = rule.Field,
Passed = isPassed
});
return(result);
}
public CompiledRule <T> CompileRules <T>(IRule rule)
{
if (rule == null)
{
throw new ArgumentNullException("rule");
}
var param = Expression.Parameter(typeof(T));
IRuleBuilder builder = new ConditionalRuleBuilder <T>(rule, param);
var expression = builder.Build();
if (expression == null)
{
throw new Exception("Cannot construct rule.");
}
var func = ((Expression <Func <T, bool> >)expression).Compile();
var compiledRule = new CompiledRule <T> {
Rule = func, Field = rule.LeftNode.ToString(), ValidationMessage = rule.ValidationMessage
};
return(compiledRule);
}
public ValidationResult Validate <T>(T value, CompiledRule <T> rule)
{
return(Validate(value, new List <CompiledRule <T> > {
rule
}));
}