private static void ReportOwnerException(PropertyInfoEx propEx, IStateObject newValue, string old_Uid)
{
var stackTrace = new System.Diagnostics.StackTrace(4, true);
var ownerInfo = " Not owner info available";
var ownerObject = StateManager.Current.GetParentEx(newValue);
if (ownerObject != null)
{
var format =
" The owner of the object is an instance of class {0}, it is {1}. Look for property {2}. It could have been set during a Build call that is still of process or during an Initialize.Init which is the WebMap equivalent of a constructor. If it is used as parent reference reimplement the property as a non virtual, [StateManagement(None)] calculated property using ViewManager.GetParent(), you can also use [Reference] attribute or disable interception by removing virtual from the property";
if (StateManager.AllBranchesAttached(ownerObject))
{
ownerInfo = string.Format(format,
TypeCacheUtils.GetOriginalTypeName(ownerObject.GetType()), " ATTACHED ",
StateManager.GetLastPartOfUniqueID(newValue));
}
else
{
ownerInfo = string.Format(format, "NOT ATTACHED",
TypeCacheUtils.GetOriginalTypeName(ownerObject.GetType()),
StateManager.GetLastPartOfUniqueID(newValue));
}
}
throw new InvalidOperationException(
"LazyBehaviour::ProcessSetter object has already an Owner." + ownerInfo + "\r\n" +
"UniqueID: " + old_Uid + "\r\n" +
"Additional Info: \r\n" +
"ViewModel Type: " + newValue.GetType().FullName + "\r\n" +
"Property Type: " + propEx.prop.PropertyType.FullName + "\r\n" +
"Error Location: " + stackTrace.ToString());
}
/// <summary>
/// Watchers can not be applied on IStateObjects. So we need to validate that
/// </summary>
/// <param name="type"></param>
private static void ValidateWatcherType(MemberInfo memInfo)
{
Type type = null;
string elementName = memInfo.Name;
if (memInfo is FieldInfo)
{
var finfo = (FieldInfo)memInfo;
type = finfo.FieldType;
#if DEBUG
Debug.Assert(!typeof(IStateObject).IsAssignableFrom(type),
string.Format("DeltaTracker::ValidateWatcherType Error: The watcher attribute on {0}.{1} is wrong " +
"because watcher attributes are meant to be used on fields that have a FieldType is not an IStateObject",
TypeCacheUtils.GetOriginalTypeName(finfo.DeclaringType), elementName));
#endif
}
else if (memInfo is PropertyInfo)
{
var pinfo = (PropertyInfo)memInfo;
type = pinfo.PropertyType;
var isVirtual = pinfo.GetGetMethod().IsVirtual;
Debug.Assert(!typeof(IStateObject).IsAssignableFrom(type) && !isVirtual,
string.Format("DeltaTracker::ValidateWatcherType Error: The watcher attribute on {0}.{1} is wrong because watcher attributes are meant to be used on non-virtual properties of types that are not an IStateObject",
TypeCacheUtils.GetOriginalTypeName(pinfo.DeclaringType), elementName));
}
}
private void ProcessIfOrphan()
{
if (!StateManager.AllBranchesAttached(_current.UniqueID))
{
//If we enter here we are Orphans :(
//We asumme we got here because we are inside a surrogate and
//that means that there is an StateObjectSurrogate associated with the parentObject
if (parentCandidate == null)
{
var typeName = TypeCacheUtils.GetOriginalTypeName(_current.GetType());
throw new NotSupportedException("The wrapped stated of type " + typeName + "object with ID" + _current.UniqueID + " does not have a valid parent reference");
}
var parentSurrogate = StateManager.Current.surrogateManager.GetSurrogateFor(parentCandidate, generateIfNotFound: false);
if (parentSurrogate == null)
{
var typeName = TypeCacheUtils.GetOriginalTypeName(_current.GetType());
throw new NotSupportedException("The wrapped stated of type " + typeName + "object with ID" + _current.UniqueID + " does not have a valid parent SURROGATE reference");
}
AdoptionInformation.StaticAdopt(parentSurrogate, _current);
}
}
