public static CollectionEqualityRule <TProperty, TKey> Create <T>(Expression <Func <T, IEnumerable <TProperty> > > expression, Expression <Func <TProperty, TKey> > keyExpression, Func <CascadeMode> cascadeModeThunk)
{
var member = expression.GetMember();
var compiled = AccessorCache <T> .GetCachedAccessor(member, expression);
return(new CollectionEqualityRule <TProperty, TKey>(keyExpression, member, compiled.CoerceToNonGeneric(), expression, cascadeModeThunk, typeof(TProperty), typeof(T)));
}
private static Tuple <string, TProperty> GetPropertyTuple3 <T, TProperty>(
T entity, Expression <Func <T, TProperty> > expression)
{
var member = expression.GetMember();
var propertyValue = AccessorCache <T> .GetCachedAccessor(member, expression)(entity);
return(Tuple.Create(member.Name, propertyValue));
}
public void No_error_when_accessing_same_property_via_different_collection_type_when_using_different_cache_prefix()
{
Expression <Func <Person, IEnumerable <Order> > > expr1 = x => x.Orders;
Expression <Func <Person, IList <Order> > > expr2 = x => x.Orders;
var accessor1 = AccessorCache <Person> .GetCachedAccessor(typeof(Person).GetProperty("Orders"), expr1, false, "Prefix1");
var accessor2 = AccessorCache <Person> .GetCachedAccessor(typeof(Person).GetProperty("Orders"), expr2, false, "Prefix2");
Assert.NotEqual(accessor1, accessor2);
}
public CollectionEqualityRule(Expression <Func <TProperty, TKey> > keyExpression, MemberInfo member, Func <object, object> propertyFunc, LambdaExpression expression, Func <CascadeMode> cascadeModeThunk, Type typeToValidate, Type containerType) : base(member, propertyFunc, expression, cascadeModeThunk, typeToValidate, containerType)
{
if (keyExpression == null)
{
throw new ArgumentNullException(nameof(keyExpression));
}
var keyMember = keyExpression.GetMember();
_keyMemberName = keyMember.Name;
_keyExpressionCompiled = AccessorCache <TProperty> .GetCachedAccessor(member, keyExpression);
}
public void Gets_accessor()
{
Expression <Func <Person, int> > expr1 = x => 1;
var compiled1 = expr1.Compile();
var compiled2 = expr1.Compile();
Assert.NotEqual(compiled1, compiled2);
var compiled3 = AccessorCache <Person> .GetCachedAccessor(typeof(Person).GetProperty("Id"), expr1);
var compiled4 = AccessorCache <Person> .GetCachedAccessor(typeof(Person).GetProperty("Id"), expr1);
Assert.Equal(compiled3, compiled4);
}
/// <summary>
/// When using the ValidatableProperty type, use this method to avoid needing to supply the ".Value"
/// which is needed when using RuleForProp.
/// </summary>
/// <typeparam name="TType"></typeparam>
/// <param name="expression"></param>
/// <returns></returns>
public IRuleBuilderInitial <T, TType> RuleForProp <TType>(Expression <Func <T, ValidatableProperty <TType> > > expression, CascadeMode cascadeMode = CascadeMode.Continue)
{
var lambdaExpression = (MemberExpression)expression.Body;
var propName = lambdaExpression.Member.Name;
var originalPropertyType = typeof(T).GetRuntimeProperty(propName);
var actualPropertyToValidate = typeof(ValidatableProperty <TType>).GetRuntimeProperty("Value");
var generatedExpression = Expression.Parameter(typeof(T), "a");
var navigationPropertyAccess = Expression.MakeMemberAccess(generatedExpression, originalPropertyType);
var lambdaNameMemberAccess = Expression.MakeMemberAccess(navigationPropertyAccess, actualPropertyToValidate);
var lambdaAccess = Expression.Lambda <Func <T, TType> >(lambdaNameMemberAccess, new List <ParameterExpression>()
{
generatedExpression
});
var generatedMember = lambdaAccess.GetMember();
var compiled = generatedMember == null || ValidatorOptions.DisableAccessorCache ? lambdaAccess.Compile() : AccessorCache <T> .GetCachedAccessor(generatedMember, lambdaAccess);
var rule = new PropertyRule(generatedMember, compiled.CoerceToNonGeneric(), lambdaAccess, () => cascadeMode, typeof(TType), typeof(T));
AddRule(rule);
IRuleBuilderOptions <T, TType> ruleBuilder = new RuleBuilder <T, TType>(rule, this);
ruleBuilder = ruleBuilder.WithName(propName);
return((IRuleBuilderInitial <T, TType>)ruleBuilder);
}
public IRuleBuilderInitial <T, TType> RuleForProp <TType>(Expression <Func <T, ValidatableProperty <TType> > > expression)
{
var propName = expression.Body.ToString().Split(new char[] { '.' })[1];
var param = Expression.Parameter(typeof(T), "a");
var navigationProperty = typeof(T).GetRuntimeProperty(propName);
var name = typeof(ValidatableProperty <TType>).GetRuntimeProperty("Value");
var navigationPropertyAccess = Expression.MakeMemberAccess(param, navigationProperty);
var nameAccess = Expression.MakeMemberAccess(navigationPropertyAccess, name);
var lambdaAccess = Expression.Lambda <Func <T, TType> >(nameAccess, new List <ParameterExpression>()
{
param
});
var member = lambdaAccess.GetMember();
var compiled = member == null || ValidatorOptions.DisableAccessorCache ? lambdaAccess.Compile() : AccessorCache <T> .GetCachedAccessor(member, lambdaAccess);
var rule = new PropertyRule(member, compiled.CoerceToNonGeneric(), lambdaAccess, () => CascadeMode.Continue, typeof(TType), typeof(T));
AddRule(rule);
IRuleBuilderOptions <T, TType> ruleBuilder = new RuleBuilder <T, TType>(rule);
ruleBuilder = ruleBuilder.WithName(propName);
return((IRuleBuilderInitial <T, TType>)ruleBuilder);
}