protected override void InvokeInternal(CommandProcessorContext cpc)
{
// safety check, this should never be hit
Debug.Assert(ParentComplexType != null, "InvokeInternal is called when ParentComplexType is null.");
if (ParentComplexType == null)
{
throw new InvalidOperationException("InvokeInternal is called when ParentComplexType is null");
}
Debug.Assert(!(Type == null && ComplexType == null), "InvokeInternal is called when Type or ComplexType is null.");
if (Type == null
&& ComplexType == null)
{
throw new InvalidOperationException("InvokeInternal is called when Type and ComplexType is null");
}
// check for uniqueness
string msg;
if (!ModelHelper.ValidateComplexTypePropertyName(ParentComplexType, Name, true, out msg))
{
throw new CommandValidationFailedException(msg);
}
// check for ComplexType circular definition
if (ComplexType != null)
{
if (ModelHelper.ContainsCircularComplexTypeDefinition(ParentComplexType, ComplexType))
{
throw new CommandValidationFailedException(
String.Format(
CultureInfo.CurrentCulture, Resources.Error_CircularComplexTypeDefinitionOnAdd, ComplexType.LocalName.Value));
}
}
// create the property
Property property = null;
if (Type != null)
{
var conceptualProperty = new ConceptualProperty(ParentComplexType, null);
conceptualProperty.ChangePropertyType(Type);
property = conceptualProperty;
}
else
{
var complexProperty = new ComplexConceptualProperty(ParentComplexType, null);
complexProperty.ComplexType.SetRefName(ComplexType);
property = complexProperty;
}
Debug.Assert(property != null, "property should not be null");
if (property == null)
{
throw new ItemCreationFailureException();
}
// set the name and add to the parent entity
property.LocalName.Value = Name;
ParentComplexType.AddProperty(property);
// set other attributes of the property
if (Nullable != null)
{
property.Nullable.Value = (Nullable.Value ? BoolOrNone.TrueValue : BoolOrNone.FalseValue);
}
XmlModelHelper.NormalizeAndResolve(property);
_createdProperty = property;
}
private static Property CreateConceptualProperty(ConceptualEntityType parentEntity, string name, string type, InsertPropertyPosition insertPosition)
{
var property = new ConceptualProperty(parentEntity, null, insertPosition);
property.LocalName.Value = name;
property.ChangePropertyType(type);
return property;
}