/// <summary>
/// Case where B navigates to A, A is mandatory but A cant navigate to B is not handled.
/// </summary>
public void CleanOrphans(Type pocoType, IAgrideaService service, bool cleanNonDependentPocos = false)
{
var instances = service.All(pocoType).ToList();
var cleantCount = 0;
foreach (var instance in instances)
{
var classHasRelationships = false;
var instanceHasLinks = false;
foreach (var referenceProperty in instance.GetType().GetReferenceProperties())
{
classHasRelationships = true;
var reference = referenceProperty.GetValue(instance) as IPocoBase;
if (reference != null)
{
instanceHasLinks = true;
break;
}
}
if (instanceHasLinks)
{
continue;
}
foreach (var collectionProperty in instance.GetType().GetCollectionProperties())
{
classHasRelationships = true;
var inputCollection = collectionProperty.GetValue(instance) as IList;
if (inputCollection.Count != 0)
{
instanceHasLinks = true;
break;
}
}
if (classHasRelationships && instanceHasLinks)
{
continue;
}
if (!classHasRelationships && !cleanNonDependentPocos)
{
continue;
}
service.RemoveItem(instance);
cleantCount++;
}
service.Save().Reset();
if (cleantCount > 0)
{
Log.Info("CloningHelper.CleanOrphans ({0}, cleanNonDependentPocos:{1} Total:{2} / Cleant:{3})", pocoType.Name, cleanNonDependentPocos, instances.Count, cleantCount);
}
}
/// <summary>
/// Removes a whole tree under input, this is the 'inverse' of Clone but this is too slow for a whole Canton...
/// </summary>
public void Remove(IPocoBase input, IAgrideaService service)
{
if (input == null)
{
return;
}
var pocoType = ObjectContext.GetObjectType(input.GetType());
var pocoTypeName = pocoType.Name;
if (excludedPocos_.Contains(pocoType))
{
return;
}
if (input.GetType().IsReferenceEntity())
{
return;
}
if (deleted_.ContainsKey(input))
{
return;
}
Log.Verbose("CloningHelper.Remove ({0})", input);
deleted_.Add(input, true);
foreach (var referenceProperty in input.GetType().GetReferenceProperties())
{
var reference = referenceProperty.GetValue(input) as IPocoBase;
if (reference == null)
{
continue;
}
Remove(reference, service);
}
foreach (var collectionProperty in input.GetType().GetCollectionProperties())
{
var inputCollection = collectionProperty.GetValue(input) as IList;
if (inputCollection.Count == 0)
{
continue;
}
foreach (IPocoBase inputItem in new ArrayList(inputCollection)) //to avoid collection change during iteration
{
Remove(inputItem, service);
}
}
service.RemoveItem(input); //Must be at the end otherwise all relationships are cleared
}