/// <summary>
/// Iterates on the dependencies queue expanding all calculated dependendies inside
/// this same queue
/// </summary>
/// <param name="queue"></param>
private void ExpandDependencies(DependenciesQueue queue)
{
//Process all generated dependencies.
while (queue.PendingCount != 0)
{
var resolutionInfo = queue.Pop();
var objectValue = resolutionInfo.value;
var dependencyValues = SurrogatesDirectory.GetObjectDependencies(objectValue, _stateManager, _stateManager.surrogateManager, this);
foreach (var dependencyValue in dependencyValues)
{
if (dependencyValue != null)
{
DependencyResolutionInfo resolutionInfoForDependency;
if (!queue.TryGetValue(dependencyValue, out resolutionInfoForDependency))
{
queue.Add(dependencyValue, resolutionInfoForDependency = new DependencyResolutionInfo());
}
queue.RegisterParentDependency(new DependencyParentInfo()
{
child = resolutionInfoForDependency, ParentValue = objectValue, ParentSurrogate = resolutionInfo.ResolvedSurrogate
});
}
else
{
queue.RegisterParentDependency(new DependencyParentInfo()
{
child = null, ParentValue = objectValue, ParentSurrogate = resolutionInfo.ResolvedSurrogate
});
}
}
}
}
private void GetResolvedValueEx(DependencyResolutionInfo dependency)
{
var surrogateManager = _stateManager.surrogateManager;
var value = dependency.value;
var istateObjectValue = dependency.value as IStateObject;
if (istateObjectValue != null)
{
//The value is an state object
if (_stateManager.IsInElementsToRemove(istateObjectValue.UniqueID))
{
//If the object is present in the elements it is detached from so its UniqueID
//is changed to a temporal one.
//The current in the session must be removed
_stateManager.DettachObject(istateObjectValue);
}
dependency.canBeAnOrphan = !StateManager.AllBranchesAttached(istateObjectValue);
dependency.ResolvedValue = istateObjectValue;
dependency.IsStateObject = true;
}
else if (value is ISurrogateEventsInfo)
{
dependency.ResolvedValue = value;
dependency.isEventsInfo = true;
}
else
{
//if (surrogateManager.IsSurrogateRegistered(value.GetType())) Commented for performance
StateObjectSurrogate currentSurrogate = null;
//Get the surrogate instance from the surrogates that are already loaded in memory or create one
dependency.ResolvedValue = currentSurrogate = dependency.ResolvedSurrogate = surrogateManager.GetSurrogateFor(value, generateIfNotFound: true);
if (currentSurrogate == null)
{
throw new ArgumentException("A surrogate could not be gotten for value of type " + value.GetType().FullName);
}
if (_stateManager.IsInElementsToRemove(currentSurrogate.UniqueID))
{
//If the object is present in the elements it is restored,
//since it is a top element no adoption needs to be performed
_stateManager.UndoRemove(currentSurrogate.UniqueID);
//We must unremove the Value surrogate
var valueUniqueID = UniqueIDGenerator.GetRelativeUniqueID(currentSurrogate, StateObjectSurrogate.VALUE_PREFIX);
_stateManager.UndoRemove(valueUniqueID);
}
else
{
//OK
}
}
}
