/// <summary>
/// If this property is a ComplexProperty, this method will visit all scalar properties within a complex property,
/// leaving the actions performed on that scalar property up to the caller.
/// </summary>
/// <param name="property">Complex Property</param>
/// <param name="visitorDelegate">ScalarInComplexPropertyVisitorDelegate which defines how the user wants to react to the scalar property</param>
/// <param name="delimiter">Defines the naming convention for the resulting scalar property (for example, if delimiter = '_', then the scalar property would be: 'complexProp_scalarProp'</param>
/// <param name="recursive">Boolean to define whether to step into complex properties contained within the complex property (true) or only visit the declared scalar properties (false)</param>
internal static void VisitComplexProperty(
this EdmProperty property, ScalarInComplexPropertyVisitorDelegate visitorDelegate, string delimiter, bool recursive)
{
var visitedProperties = new HashSet <EdmProperty>();
VisitComplexPropertyInternal(property, visitorDelegate, property.Name, delimiter, recursive, visitedProperties);
}
private static void VisitComplexPropertyInternal(
this EdmProperty property, ScalarInComplexPropertyVisitorDelegate visitorDelegate, string namePrefix, string delimiter,
bool recursive, HashSet <EdmProperty> visitedProperties)
{
var complexType = property.TypeUsage.EdmType as ComplexType;
if (complexType != null)
{
foreach (var subProperty in complexType.Properties)
{
var newNamePrefix = String.Format(
CultureInfo.CurrentCulture,
"{0}{1}{2}", namePrefix, delimiter, subProperty.Name);
if (subProperty.IsComplexProperty() && recursive)
{
if (visitedProperties.Contains(subProperty))
{
if (subProperty != null &&
subProperty.TypeUsage != null &&
subProperty.TypeUsage.EdmType.Name != null)
{
throw new InvalidOperationException(
String.Format(
CultureInfo.CurrentCulture, Resources.ErrorComplexTypeCycle, subProperty.Name,
subProperty.TypeUsage.EdmType.Name));
}
else
{
throw new InvalidOperationException(
String.Format(CultureInfo.CurrentCulture, Resources.ErrorNonSpecificComplexTypeCycle, subProperty.Name));
}
}
visitedProperties.Add(subProperty);
subProperty.VisitComplexPropertyInternal(
visitorDelegate,
newNamePrefix,
delimiter,
recursive,
visitedProperties);
visitedProperties.Remove(subProperty);
}
else
{
visitorDelegate(newNamePrefix, subProperty);
}
}
}
}
private static void VisitComplexPropertyInternal(
this EdmProperty property, ScalarInComplexPropertyVisitorDelegate visitorDelegate, string namePrefix, string delimiter,
bool recursive, HashSet<EdmProperty> visitedProperties)
{
var complexType = property.TypeUsage.EdmType as ComplexType;
if (complexType != null)
{
foreach (var subProperty in complexType.Properties)
{
var newNamePrefix = String.Format(
CultureInfo.CurrentCulture,
"{0}{1}{2}", namePrefix, delimiter, subProperty.Name);
if (subProperty.IsComplexProperty() && recursive)
{
if (visitedProperties.Contains(subProperty))
{
if (subProperty != null
&& subProperty.TypeUsage != null
&& subProperty.TypeUsage.EdmType.Name != null)
{
throw new InvalidOperationException(
String.Format(
CultureInfo.CurrentCulture, Resources.ErrorComplexTypeCycle, subProperty.Name,
subProperty.TypeUsage.EdmType.Name));
}
else
{
throw new InvalidOperationException(
String.Format(CultureInfo.CurrentCulture, Resources.ErrorNonSpecificComplexTypeCycle, subProperty.Name));
}
}
visitedProperties.Add(subProperty);
subProperty.VisitComplexPropertyInternal(
visitorDelegate,
newNamePrefix,
delimiter,
recursive,
visitedProperties);
visitedProperties.Remove(subProperty);
}
else
{
visitorDelegate(newNamePrefix, subProperty);
}
}
}
}
// <summary>
// If this property is a ComplexProperty, this method will visit all scalar properties within a complex property,
// leaving the actions performed on that scalar property up to the caller.
// </summary>
// <param name="property">Complex Property</param>
// <param name="visitorDelegate">ScalarInComplexPropertyVisitorDelegate which defines how the user wants to react to the scalar property</param>
// <param name="delimiter">Defines the naming convention for the resulting scalar property (for example, if delimiter = '_', then the scalar property would be: 'complexProp_scalarProp'</param>
// <param name="recursive">Boolean to define whether to step into complex properties contained within the complex property (true) or only visit the declared scalar properties (false)</param>
internal static void VisitComplexProperty(
this EdmProperty property, ScalarInComplexPropertyVisitorDelegate visitorDelegate, string delimiter, bool recursive)
{
var visitedProperties = new HashSet<EdmProperty>();
VisitComplexPropertyInternal(property, visitorDelegate, property.Name, delimiter, recursive, visitedProperties);
}
