private static void ProcessChildrenConstraints(object item, IList<ValidationConstraint> constraints, ValidationConstraint parentConstraint, out string message)
{
StringBuilder sb = new StringBuilder();
message = null;
var parentConstraintIsRespected = ProcessConstraint(item, parentConstraint);
if (!parentConstraintIsRespected) return;
foreach (var source in constraints)
{
var constraintIsRespected = ProcessConstraint(item, source);
var childConstraints = SessionManagement.Db.GetAllValidationConstraints().Where(c => c.ParentConstraint == source).ToList();
if (constraintIsRespected && childConstraints.Any())
{
//Go down the tree
string subMessage;
ProcessChildrenConstraints(item, childConstraints, source, out subMessage);
if (!string.IsNullOrEmpty(subMessage)) sb.AppendLine(subMessage);
}
else if (!constraintIsRespected && !childConstraints.Any())
{
//if all parents are true and the final child is false, the constraint is not respected.
sb.AppendLine(string.Format("{0} is not respected", source));
}
}
message = sb.ToString();
}
public ValidationConstraint SaveOrUpdateInstance(ValidationConstraint validationConstraint)
{
var oldItem = _cachedValidationConstraints.FirstOrDefault(vc => vc.Equals(validationConstraint));
if (oldItem == null)
_cachedValidationConstraints.Add(validationConstraint);
else
{
_cachedValidationConstraints.Remove(oldItem);
_cachedValidationConstraints.Add(validationConstraint);
}
return validationConstraint;
}
public void ValidationConstraints_CheckThatArgumentsProperlyParsed()
{
var newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Equal,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfInt,
MainArgument = "1"
};
TrySaveAndSucceed(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Equal,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfInt,
MainArgument = "NotAnInt"
};
TrySaveAndFail(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Between,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfInt,
MainArgument = "1",
SecondaryArgument = "2"
};
TrySaveAndSucceed(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Between,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfInt,
MainArgument = "1",
SecondaryArgument = "NotAnInt"
};
TrySaveAndFail(newConstraint);
}
public void ValidationConstraints_Validate()
{
const string errorMessage = "The object should not have been saved given its constraints";
//var transac = SessionManagement.Db.StartTransaction();
IList<ValidationConstraint> testConstraints = new List<ValidationConstraint>();
try
{
var accor = SessionManagement.Db.GetAllAssets().SingleOrDefault(a => a.Name == "ACCOR");
var total = SessionManagement.Db.GetAllAssets().SingleOrDefault(a => a.Name == "TOTAL");
Assert.IsNotNull(total);
var nameConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Equal,
ObjectType = _typeOfAssetEditable,
Property = "Name",
PropertyType = _typeOfString,
MainArgument = "ACCOR"
};
testConstraints.Add(nameConstraint);
var savedNameConstraint = ValidationConstraintService.Instance.SaveOrUpdateList(testConstraints).SingleOrDefault();
//Should succeed
ValidationConstraintService.Instance.ValidateObject(accor);
//Should fail
try
{
ValidationConstraintService.Instance.ValidateObject(total);
Assert.Fail(errorMessage);
}
catch (Exception e)
{
Console.WriteLine(e);
}
//Second Level
var idConstraint1 = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Greater,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfString,
MainArgument = "0",
ParentConstraint = savedNameConstraint
};
testConstraints.Add(idConstraint1);
ValidationConstraintService.Instance.SaveOrUpdateList(testConstraints);
//Should succeed
ValidationConstraintService.Instance.ValidateObject(accor);
//Should Fail (Id = 122)
var idConstraint2 = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Lower,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfString,
MainArgument = "30",
ParentConstraint = savedNameConstraint
};
testConstraints.Add(idConstraint2);
testConstraints = ValidationConstraintService.Instance.SaveOrUpdateList(testConstraints);
try
{
ValidationConstraintService.Instance.ValidateObject(accor);
}
catch (Exception e)
{
Console.WriteLine(e);
}
//Remove it now that it has been tested
testConstraints.ToList().ForEach(c =>
{
if (c == idConstraint2)
c.RequiresDeletion = true;
});
var handlingQuotesConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.True,
ObjectType = _typeOfAssetEditable,
Property = "HandlingQuotes",
PropertyType = _typeOfBool,
ParentConstraint = savedNameConstraint
};
testConstraints.Add(handlingQuotesConstraint);
var thirdLevel = ValidationConstraintService.Instance.SaveOrUpdateList(testConstraints).SingleOrDefault(c => c.ToString() == handlingQuotesConstraint.ToString());
//Should succeed
ValidationConstraintService.Instance.ValidateObject(accor);
var betweenConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Between,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfInt,
MainArgument = "0",
SecondaryArgument = "100000000",
ParentConstraint = thirdLevel
};
testConstraints.Add(betweenConstraint);
ValidationConstraintService.Instance.SaveOrUpdateList(testConstraints);
//Should succeed
ValidationConstraintService.Instance.ValidateObject(accor);
var notNullConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.NotNull,
ObjectType = _typeOfAssetEditable,
Property = "Status",
PropertyType = _typeOfAssetStatus,
ParentConstraint = thirdLevel
};
testConstraints.Add(notNullConstraint);
ValidationConstraintService.Instance.SaveOrUpdateList(testConstraints);
//Should succeed
ValidationConstraintService.Instance.ValidateObject(accor);
var differentConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Different,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfInt,
MainArgument = "1",
ParentConstraint = thirdLevel
};
testConstraints.Add(differentConstraint);
ValidationConstraintService.Instance.SaveOrUpdateList(testConstraints);
//Should succeed
ValidationConstraintService.Instance.ValidateObject(accor);
var nullConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Null,
ObjectType = _typeOfAssetEditable,
Property = "AssetType",
PropertyType = _typeOfAssetType,
ParentConstraint = thirdLevel
};
testConstraints.Add(nullConstraint);
ValidationConstraintService.Instance.SaveOrUpdateList(testConstraints);
try
{
//Should fail.
ValidationConstraintService.Instance.ValidateObject(accor);
Assert.Fail(errorMessage);
}
catch (Exception e)
{
Console.WriteLine(e);
}
//If you want to add constraint remove the top one from the list.
}
finally
{
//SessionManagement.Db.RollbackTrans(transac);
}
}
public void ValidationConstraints_Update()
{
var constraintsToSave = new List<ValidationConstraint>();
var newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.False,
ObjectType = _typeOfAssetEditable,
Property = "HandlingQuotes",
PropertyType = _typeOfBool,
};
constraintsToSave.Add(newConstraint);
var savedItem = ValidationConstraintService.Instance.SaveOrUpdateList(constraintsToSave).Single();
constraintsToSave.Clear();
savedItem.ConstraintType = trkValidationConstraintType.True;
constraintsToSave.Add(savedItem);
savedItem = ValidationConstraintService.Instance.SaveOrUpdateList(constraintsToSave).Single();
constraintsToSave.Clear();
Assert.AreEqual(savedItem.ConstraintType, trkValidationConstraintType.True);
savedItem.RequiresDeletion = true;
constraintsToSave.Add(newConstraint);
ValidationConstraintService.Instance.SaveOrUpdateList(constraintsToSave);
var supposedToHaveBeenErased = ValidationConstraintService.Instance.GetValidationConstraintById(savedItem.ToString());
if (supposedToHaveBeenErased != null)
{
Assert.Fail(supposedToHaveBeenErased.ToString());
}
}
public void ValidationConstraints_SecondGreaterThanMainArgument()
{
var newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Between,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfInt,
MainArgument = "1",
SecondaryArgument = "2"
};
TrySaveAndSucceed(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Between,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfInt,
MainArgument = "1",
SecondaryArgument = "0"
};
TrySaveAndFail(newConstraint);
}
public void ValidationConstraints_SaveSomeConstraints()
{
var portfolioType = new PortfolioEditable().GetType().AssemblyQualifiedName;
var userInfoType = new UserInfo().GetType().AssemblyQualifiedName;
var newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.NotNull,
ObjectType = portfolioType,
Property = "Comment",
PropertyType = portfolioType
};
var newConstraint2 = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.NotNull,
ObjectType = portfolioType,
Property = "Manager",
PropertyType = userInfoType
};
var constraintsToSave = new List<ValidationConstraint> { newConstraint, newConstraint2 };
ValidationConstraintService.Instance.SaveOrUpdateList(constraintsToSave);
}
public void ValidationConstraints_Save()
{
var newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.NotNull,
ObjectType = _typeOfAssetEditable,
Property = "Code",
PropertyType = _typeOfString
};
TrySaveAndSucceed(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Null,
ObjectType = _typeOfAssetEditable,
Property = "Code",
PropertyType = _typeOfString
};
TrySaveAndSucceed(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.NotNull,
ObjectType = _typeOfAssetEditable,
Property = "Status",
PropertyType = _typeOfAssetStatus
};
TrySaveAndSucceed(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Null,
ObjectType = _typeOfAssetEditable,
Property = "Status",
PropertyType = _typeOfAssetStatus
};
TrySaveAndSucceed(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Equal,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfInt,
MainArgument = "1"
};
TrySaveAndSucceed(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Different,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfInt,
MainArgument = "1"
};
TrySaveAndSucceed(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Greater,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfInt,
MainArgument = "1"
};
TrySaveAndSucceed(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Lower,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfInt,
MainArgument = "1"
};
TrySaveAndSucceed(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.True,
ObjectType = _typeOfAssetEditable,
Property = "HandlingQuotes",
PropertyType = _typeOfBool,
};
TrySaveAndSucceed(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.False,
ObjectType = _typeOfAssetEditable,
Property = "HandlingQuotes",
PropertyType = _typeOfBool,
};
TrySaveAndSucceed(newConstraint);
}
/*override*/
protected ValidationConstraint SaveOrUpdateObject(ValidationConstraint validationConstraint)
{
//return validationConstraint.IsNew ? SessionManagement.Db.SaveNew(validationConstraint) : SessionManagement.Db.Update(validationConstraint);
return SessionManagement.Db.SaveOrUpdateInstance(validationConstraint);
}
public void ValidationConstraints_DeleteParentFails()
{
//var transaction = SessionManagement.Db.StartTransaction();
try
{
//Check that a validation constraint cannot reference itself
var parentConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.NotNull,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfInt,
};
var childConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.NotNull,
ObjectType = _typeOfAssetEditable,
Property = "Code",
PropertyType = _typeOfString,
};
var constraintsToSave = new List<ValidationConstraint> { parentConstraint, childConstraint };
var savedConstraints = ValidationConstraintService.Instance.SaveOrUpdateList(constraintsToSave);
Assert.IsNotNull(savedConstraints);
savedConstraints[1].ParentConstraint = savedConstraints[0];
savedConstraints = ValidationConstraintService.Instance.SaveOrUpdateList(constraintsToSave);
savedConstraints[0].RequiresDeletion = true;
TrySaveAndFail(savedConstraints);
}
finally
{
//SessionManagement.Db.RollbackTrans(transaction);
}
}
/*override*/
protected void DeleteObject(ValidationConstraint obj)
{
string message;
if (CanBeDeleted(obj, out message))
SessionManagement.Db.Delete(obj);
else
throw new Exception(message);
}
/*override*/
protected bool CanBeSaved(ValidationConstraint constraint, out string message)
{
StringBuilder sb = new StringBuilder();
if (constraint.ParentConstraint != null && Equals(constraint, constraint.ParentConstraint))
sb.AppendLine("A constraint cannot reference itself as parent");
var test = Type.GetType(constraint.PropertyType);
if (test == null)
sb.AppendLine("The Object Type associated to the constraint could not be found");
if (test != null && test.IsSubclassOf(typeof(ObjectBase)))
switch (constraint.ConstraintType)
{
case trkValidationConstraintType.False:
case trkValidationConstraintType.True:
case trkValidationConstraintType.Greater:
case trkValidationConstraintType.Lower:
case trkValidationConstraintType.Between:
case trkValidationConstraintType.Equal:
sb.AppendLine(string.Format("The constraint type specified cannot be applied to the selected parameter {0}", constraint));
break;
}
if (string.IsNullOrEmpty(sb.ToString()) && constraint.MainArgument != null || constraint.SecondaryArgument != null)
{
switch (constraint.ConstraintType)
{
case trkValidationConstraintType.Null:
case trkValidationConstraintType.NotNull:
sb.AppendLine(string.Format(string.Format("The arguments you specified are incompatible with the constraint type {0}"),constraint));
break;
case trkValidationConstraintType.Between:
if (!(constraint.MainArgument != null && constraint.SecondaryArgument != null))
sb.AppendLine("Both arguments must be specified");
break;
}
try
{
Object mainArgument = null;
Object secondArgument = null;
if (constraint.MainArgument != null)
{
MethodInfo m = test.GetMethod("Parse", new[] { typeof(string) });
if (m != null)
{
mainArgument = m.Invoke(null, new[] { constraint.MainArgument });
if (mainArgument == null) throw new Exception();
}
}
if (constraint.SecondaryArgument != null && constraint.ConstraintType == trkValidationConstraintType.Between)
{
MethodInfo m = test.GetMethod("Parse", new[] { typeof(string) });
if (m != null)
{
secondArgument = m.Invoke(null, new[] { constraint.SecondaryArgument });
if (secondArgument == null) throw new Exception();
}
// MainArgument < SecondArgument when it is a between constraint.
if (ValidationConstraintHelper.IsGreater(secondArgument, mainArgument))
sb.AppendLine("The second argument must be greater than the first");
}
else if (constraint.SecondaryArgument != null)
sb.AppendLine("The second argument is only used in the Between constraint and will therefore be ignored");
}
catch (Exception)
{
throw new Exception();
//throw new FunctionalException(string.Format(ExceptionDictionary.The_value_of_the_argument_could_not_be_correctly_translated_into_the_specified_type, constraint));
}
}
if ((constraint.ConstraintType == trkValidationConstraintType.True || constraint.ConstraintType == trkValidationConstraintType.False) && constraint.PropertyType != typeof(bool).AssemblyQualifiedName)
{
sb.AppendLine(string.Format("{0} is not a boolean and_therefore not compatible with_a {1} constraint", constraint.Property, constraint.ConstraintType));
//sb.AppendLine(string.Format(ExceptionDictionary._0__is_not_a_boolean_and_therefore_not_compatible_with_a__1__constraint, constraint.Property, constraint.ConstraintType));
}
message = sb.ToString();
return string.IsNullOrEmpty(message);
}
/*override*/
protected bool CanBeDeleted(ValidationConstraint obj, out string message)
{
message = string.Empty;
StringBuilder sb = new StringBuilder();
var children = SessionManagement.Db.GetAllValidationConstraints().Where(c => Equals(c.ParentConstraint, obj)).ToList();
if (children.Any())
sb.AppendLine(string.Format("The constraint {0} cannot be deleted because it is linked to child constraints", obj));
message = sb.ToString();
return string.IsNullOrEmpty(message);
}
public void ValidationConstraints_ValidateDeepTree()
{
var asset = SessionManagement.Db.GetAllAssets().FirstOrDefault(a => a.Name == "ACCOR");
var firstConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Equal,
ObjectType = _typeOfAssetEditable,
Property = "Name",
PropertyType = _typeOfString,
MainArgument = "ACCOR"
};
var secondConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Equal,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfInt,
ParentConstraint = firstConstraint,
MainArgument = "124"
};
var thirdConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.NotNull,
ObjectType = _typeOfAssetEditable,
Property = "Code",
ParentConstraint = secondConstraint,
PropertyType = _typeOfString,
};
ValidationConstraintService.Instance.SaveOrUpdateList(new List<ValidationConstraint>{firstConstraint, secondConstraint, thirdConstraint});
ValidationConstraintService.Instance.ValidateObject(asset);
}
public void ValidationConstraints_SaveFailed()
{
var newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.False,
ObjectType = _typeOfAssetEditable,
Property = "Status",
PropertyType = _typeOfAssetStatus
};
TrySaveAndFail(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.True,
ObjectType = _typeOfAssetEditable,
Property = "Status",
PropertyType = _typeOfAssetStatus
};
TrySaveAndFail(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Greater,
ObjectType = _typeOfAssetEditable,
Property = "Status",
PropertyType = _typeOfAssetStatus
};
TrySaveAndFail(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Lower,
ObjectType = _typeOfAssetEditable,
Property = "Status",
PropertyType = _typeOfAssetStatus
};
TrySaveAndFail(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Between,
ObjectType = _typeOfAssetEditable,
Property = "Status",
PropertyType = _typeOfAssetStatus
};
TrySaveAndFail(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Equal,
ObjectType = _typeOfAssetEditable,
Property = "Status",
PropertyType = _typeOfAssetStatus
};
TrySaveAndFail(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.True,
ObjectType = _typeOfAssetEditable,
Property = "Code",
PropertyType = _typeOfString
};
TrySaveAndFail(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.False,
ObjectType = _typeOfAssetEditable,
Property = "Code",
PropertyType = _typeOfString
};
TrySaveAndFail(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.False,
ObjectType = _typeOfAssetEditable,
Property = "UnknownProperty",
PropertyType = _typeOfString
};
TrySaveAndFail(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Between,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfInt,
MainArgument = "1"
};
TrySaveAndFail(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Between,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfInt,
SecondaryArgument = "1"
};
TrySaveAndFail(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.NotNull,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfInt,
SecondaryArgument = "1"
};
TrySaveAndFail(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.Null,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfInt,
SecondaryArgument = "1"
};
TrySaveAndFail(newConstraint);
newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.NotNull,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = "RandomTypeThatDoesNotExist",
};
TrySaveAndFail(newConstraint);
}
private static void TrySaveAndSucceed(ValidationConstraint constraintsToSave)
{
var constraintsList = new List<ValidationConstraint> { constraintsToSave };
TrySaveAndSucceed(constraintsList);
}
public void ValidationConstraints_SaveItselfAsParentFails()
{
//Check that a validation constraint cannot reference itself
var newConstraint = new ValidationConstraint
{
ConstraintType = trkValidationConstraintType.NotNull,
ObjectType = _typeOfAssetEditable,
Property = "Id",
PropertyType = _typeOfInt,
};
var constraintsToSave = new List<ValidationConstraint> { newConstraint };
var savedConstraint = ValidationConstraintService.Instance.SaveOrUpdateList(constraintsToSave).SingleOrDefault();
Assert.IsNotNull(savedConstraint);
constraintsToSave.Clear();
savedConstraint.ParentConstraint = savedConstraint;
TrySaveAndFail(newConstraint);
////Finally delete the constraint that had to be saved.
//savedConstraint.RequiresDeletion = true;
//constraintsToSave.Add(newConstraint);
//ValidationConstraintService.Instance.SaveOrUpdateList(constraintsToSave);
//Assert.IsNull(ValidationConstraintService.Instance.GetValidationConstraintById(savedConstraint.ToString()));
//constraintsToSave.Clear();
}
private static bool ProcessConstraint(object item, ValidationConstraint constraint)
{
var argumentType = item.GetType();
object mainArgument = null;
object secondArgument = null;
if (constraint.ObjectType == argumentType.AssemblyQualifiedName)
{
var evaluator = new ExpressionEvaluator();
var propertyValue = evaluator.GetValue(item, constraint.Property);
if (constraint.MainArgument != null) mainArgument = GetValue(constraint.MainArgument, propertyValue.GetType());
if (constraint.SecondaryArgument != null) secondArgument = GetValue(constraint.SecondaryArgument, propertyValue.GetType());
switch (constraint.ConstraintType)
{
case trkValidationConstraintType.Null:
if (propertyValue is string)
return string.IsNullOrEmpty(propertyValue.ToString());
return (propertyValue == null);
case trkValidationConstraintType.NotNull:
if (propertyValue is string)
return !string.IsNullOrEmpty((string)propertyValue.ToString());
return (propertyValue != null);
case trkValidationConstraintType.Greater:
if (mainArgument == null) return false;
return IsGreater(mainArgument, propertyValue);
case trkValidationConstraintType.Lower:
if (mainArgument == null) return false;
return IsGreater(propertyValue, mainArgument);
case trkValidationConstraintType.Equal:
if (mainArgument == null) return false;
return AreEqual(propertyValue, mainArgument);
case trkValidationConstraintType.Between:
if (mainArgument == null) return false;
if (secondArgument == null) return false;
return (IsGreater(mainArgument, propertyValue) && IsGreater(propertyValue, secondArgument));
case trkValidationConstraintType.Different:
return !AreEqual(propertyValue, mainArgument);
case trkValidationConstraintType.False:
return !((bool)propertyValue);
case trkValidationConstraintType.True:
return ((bool)propertyValue);
default:
throw new ArgumentOutOfRangeException();
}
}
return false;
}
public void Delete(ValidationConstraint validationConstraint)
{
if (_cachedValidationConstraints.FirstOrDefault(vc => vc.Equals(validationConstraint)) != null)
_cachedValidationConstraints.Remove(validationConstraint);
}
