protected override void FillObject(FillObjectRequest req)
{
XmlNode valuesNode = req.Descriptor.Element.SelectSingleNode(RuleConstants.ValuesNodeName);
if (valuesNode?.HasChildNodes == true)
{
foreach (XmlNode valueNode in valuesNode.ChildNodes)
{
RuleExpression valueElement = SerializerRoot.Container <RuleExpression>()
.Deserialize(new XmlDescriptor()
{
Element = valueNode
}, req.Parent);
(req.Element as Case).ValuesElements.Add(valueElement);
}
}
XmlNode actionNode = req.Descriptor.Element.SelectSingleNode(RuleConstants.ActionNodeName);
if (actionNode != null)
{
(req.Element as Case).ActionElement = SerializerRoot.Container <ExecContainer>()
.Deserialize(new XmlDescriptor()
{
Element = actionNode
}, req.Parent);
}
}
public virtual bool ValueExpressionEquals(RuleExpression entity)
{
return((entity != null)
//&& entity is RuleExpression
&& ValueExpression.Equals(entity.ValueExpression));
//&& this == (RuleExpression<ExpType>)entity;
}
protected override void Validate()
{
if (ChildElements.Count == 0)
{
AddBrokenConstraint(LogicalExpressionBusinessConstraint.ChildrenRequired, ElementName);
}
if (ChildElements.Count < 2)
{
AddBrokenConstraint(LogicalExpressionBusinessConstraint.NotEnoughChildren, ElementName);
}
RuleExpression exp1 = null;
RuleExpression exp2 = null;
for (int i = 0; i < ChildElements.Count; i++)
{
exp2 = ChildElements[i];
if (exp2 == null)
{
AddBrokenConstraint(LogicalExpressionBusinessConstraint.InvalidChild, ElementName);
}
else
{
//Проверяем, элемент с каким выходным типом значения
//сравниваем ExpressionType элементов
if (exp1?.ExpressionTypeEquals(exp2) == false)
{
AddBrokenConstraint(LogicalExpressionBusinessConstraint.TypeMismatch, ElementName);
}
}
exp1 = exp2;
}
}
protected override void Validate()
{
if (ValuesElements.Count == 0)
{
AddBrokenConstraint(CaseBusinessConstraint.ValuesRequired, ElementName);
}
RuleExpression prevValueElement = null;
foreach (RuleExpression valueElement in ValuesElements)
{
//проверяем, одного ли типа элементы
if (prevValueElement != null)
{
if (prevValueElement.ExpressionType != valueElement.ExpressionType)
{
AddBrokenConstraint(CaseBusinessConstraint.ValuesTypeMismatch, ElementName);
}
}
prevValueElement = valueElement;
}
if (ActionElement == null)
{
AddBrokenConstraint(CaseBusinessConstraint.ActionsRequired, ElementName);
}
}
protected override bool Operate(RuleExpression exp1, RuleExpression exp2, bool?previousValue)
{
int compared = ((RuleComparableExpression)exp1).CompareTo((RuleComparableExpression)exp2);
bool result = (compared >= 0);
return((previousValue != null) ? (result && (bool)previousValue) : result);
}
public override bool ExpressionTypeEquals(RuleExpression entity)
{
if (IsValid)
{
return(ValuesElements.First().ExpressionTypeEquals(entity));
}
return(false);
}
public override bool ValueCalculatedEquals(RuleExpression entity)
{
foreach (RuleExpression valueElement in ValuesElements)
{
if (valueElement.ValueCalculatedEquals(entity))
{
return(true);
}
}
return(false);
}
protected override void InnerInterpret(IRuleHandler handler)
{
RuleExpression exp1 = null;
RuleExpression exp2 = null;
bool?expValue = null;
for (int i = 0; i < ChildElements.Count; i++)
{
exp2 = ChildElements[i];
exp2.Interpret(handler);
if (exp1 != null)
{
expValue = Operate(exp1, exp2, expValue);
}
exp1 = exp2;
}
ValueCalculated = expValue;
}
protected override bool Operate(RuleExpression exp1, RuleExpression exp2, bool?previousValue)
{
return((previousValue != null) ? ((bool)exp1.ValueCalculated && (bool)exp2.ValueCalculated && (bool)previousValue)
: ((bool)exp1.ValueCalculated && (bool)exp2.ValueCalculated));
}
//public virtual bool ValueCalculatedEquals(RuleExpression exp)
//{
// return (exp?.ValueCalculatedEquals(this) == true);
//}
/// <summary>
/// Метод сравнивает типы выражений объектов
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public bool ExpressionTypeEquals(RuleExpression obj)
{
return((obj != null) &&
ExpressionType.Equals(obj.ExpressionType));
}
protected override bool Operate(RuleExpression exp1, RuleExpression exp2, bool?previousValue)
{
bool result = (int)exp1.ValueCalculated <= (int)exp2.ValueCalculated;
return((previousValue != null) ? (result && (bool)previousValue) : result);
}
/// <summary> /// Метод должен быть реализован во всех наследниках. Используется в методе InnerInterpret /// </summary> /// <param name="previousValue">предыдущее значение в цепочке</param> /// <returns></returns> protected abstract bool Operate(RuleExpression exp1, RuleExpression exp2, bool?previousValue);
public abstract bool ValueCalculatedEquals(RuleExpression entity);
public abstract bool ExpressionTypeEquals(RuleExpression entity);
