public static IDictionary <PropertyInfo, PropertyInfo> GetSelectedProperty(Expression exp)
{
PropertyPairSelectorVisitor visitor = new PropertyPairSelectorVisitor();
visitor.Visit(exp);
return(visitor.Properties);
}
public NavigationPropertyConfiguration HasRequired <TTargetEntity>(
Expression <Func <TStructuralType, TTargetEntity> > navigationPropertyExpression,
Expression <Func <TStructuralType, TTargetEntity, bool> > referentialConstraintExpression) where TTargetEntity : class
{
NavigationPropertyConfiguration navigation =
GetOrCreateNavigationProperty(navigationPropertyExpression, EdmMultiplicity.One);
IDictionary <PropertyInfo, PropertyInfo> referentialConstraints =
PropertyPairSelectorVisitor.GetSelectedProperty(referentialConstraintExpression);
foreach (KeyValuePair <PropertyInfo, PropertyInfo> constraint in referentialConstraints)
{
navigation.HasConstraint(constraint);
}
return(navigation);
}