private void InitConstraintItems(DataRow root)
{
DataRow folderRow = null;
foreach (var node in GetTypeAttributes(_modelType, IsConstraint).Select(CreateNode).Where(x => x != null))
{
if (folderRow == null)
{
folderRow = AddRow(root, new FolderNode(UserMessages.FolderName_Constraint));
}
AddRow(folderRow, node);
}
bool IsConstraint(AttributeData attribute)
{
return(IsCheckConstraint(attribute) || IsUniqueConstraint(attribute));
}
bool IsCheckConstraint(AttributeData attribute)
{
return(Compilation.GetKnownType(KnownTypes.CheckConstraintAttribute).Equals(attribute.AttributeClass));
}
Node CreateNode((INamedTypeSymbol Type, AttributeData Attribute) info)
{
if (IsCheckConstraint(info.Attribute))
{
return(AttributeNode.CreateCheckConstraint(this, info));
}
else
{
Debug.Assert(IsUniqueConstraint(info.Attribute));
return(AttributeNode.CreateUniqueConstraint(this, info));
}
}
}