internal void Replay(Core.EntityCollectionBase collection)
{
foreach (RelationshipAction action in actions)
{
action.ExecuteInMemory(collection);
}
}
protected override void InMemoryLogic(EntityCollectionBase target)
{
bool wasUpdated = false;
int[] indexes = target.IndexOf(target.ForeignItem(this) !);
foreach (int index in indexes)
{
CollectionItem?item = target.GetItem(index);
if (item is not null)
{
if (item.IsAfter(Moment))
{
target.RemoveAt(index);
}
else if (item.OverlapsOrIsAttached(Moment))
{
target.SetItem(index, target.NewCollectionItem(target.Parent, item.Item, item.StartDate, null));
wasUpdated = true;
}
}
}
if (!wasUpdated)
{
target.Add(target.NewCollectionItem(target.Parent, target.ForeignItem(this) !, Moment, null));
}
}
protected override void InMemoryLogic(EntityCollectionBase target)
{
DateTime minStartDate = Moment;
DateTime maxEndDate = EndDate;
int[] indexes = target.IndexOf(target.ForeignItem(this) !);
foreach (int index in indexes)
{
CollectionItem?item = target.GetItem(index);
if (item is not null)
{
if (item.Overlaps(Moment))
{
if (minStartDate > item.StartDate)
{
minStartDate = item.StartDate;
}
if (maxEndDate < item.EndDate)
{
maxEndDate = item.EndDate;
}
target.RemoveAt(index);
}
}
}
target.Add(target.NewCollectionItem(target.Parent, target.ForeignItem(this) !, minStartDate, maxEndDate));
}
protected override void InMemoryLogic(EntityCollectionBase target)
{
DateTime minStartDate = Moment;
DateTime maxEndDate = EndDate;
target.ForEach(delegate(int index, CollectionItem item)
{
if (item.Item.Equals(target.ForeignItem(this)))
{
if (item.Overlaps(Moment))
{
if (minStartDate > item.StartDate)
{
minStartDate = item.StartDate ?? DateTime.MinValue;
}
if (maxEndDate < item.EndDate)
{
maxEndDate = item.EndDate ?? DateTime.MaxValue;
}
target.RemoveAt(index);
}
}
});
target.Add(target.NewCollectionItem(target.Parent, target.ForeignItem(this), minStartDate, maxEndDate));
}
protected override void InMemoryLogic(EntityCollectionBase target)
{
OGM?foreignItem = target.ForeignItem(this);
if (foreignItem is null)
{
target.ForEach((index, item) =>
{
if (item is not null)
{
target.RemoveAt(index);
}
});
}
else
{
int[] indexes = target.IndexOf(foreignItem);
foreach (int index in indexes)
{
CollectionItem?item = target.GetItem(index);
if (item is not null)
{
target.RemoveAt(index);
}
}
}
}
internal void LoadAll(Core.EntityCollectionBase collection)
{
if (collection == null)
{
return;
}
string relationshipName = collection.Relationship.Name;
Dictionary <string, HashSet <Core.EntityCollectionBase> >?properties;
if (!registeredCollections.TryGetValue(relationshipName, out properties))
{
properties = new Dictionary <string, HashSet <Core.EntityCollectionBase> >();
registeredCollections.Add(relationshipName, properties);
}
string propertyName = string.Concat(collection.Parent.GetEntity().Name, ".", collection.ParentProperty?.Name ?? "NonExisting");
HashSet <Core.EntityCollectionBase>?values;
if (!properties.TryGetValue(propertyName, out values))
{
return;
}
List <Core.EntityCollectionBase> collections = values.Where(item => !item.IsLoaded).ToList();
const int chunkSize = 10000;
int initialSize = Math.Min(chunkSize, collections.Count);
foreach (var chunk in collections.Chunks(chunkSize))
{
List <OGM> parents = new List <OGM>(initialSize);
foreach (Core.EntityCollectionBase item in chunk)
{
if (item.Parent.PersistenceState != PersistenceState.New && item.Parent.PersistenceState != PersistenceState.NewAndChanged)
{
parents.Add(item.Parent);
}
}
Dictionary <OGM, CollectionItemList> allItems = RelationshipPersistenceProvider.Load(parents, collection);
foreach (Core.EntityCollectionBase item in chunk)
{
CollectionItemList?items = null;
if (allItems.TryGetValue(item.Parent, out items))
{
item.InitialLoad(items.Items);
}
else
{
item.InitialLoad(new List <CollectionItem>());
}
}
}
}
protected override void InMemoryLogic(EntityCollectionBase target)
{
bool contains = target.IndexOf(target.ForeignItem(this) !).Length != 0;
if (!contains)
{
target.Add(target.NewCollectionItem(target.Parent, target.ForeignItem(this) !, null, null));
}
}
protected override void InMemoryLogic(EntityCollectionBase target)
{
target.ForEach(delegate(int index, CollectionItem item)
{
if (item.Item.Equals(target.ForeignItem(this)))
{
target.RemoveAt(index);
}
});
}
protected override void InMemoryLogic(EntityCollectionBase target)
{
int[] indexes = target.IndexOf(target.ForeignItem(this) !);
foreach (int index in indexes)
{
CollectionItem?item = target.GetItem(index);
if (item is not null)
{
if (item.StartDate == Moment)
{
target.RemoveAt(index);
}
}
}
}
protected override void InMemoryLogic(EntityCollectionBase target)
{
bool contains = false;
target.ForEach(delegate(int index, CollectionItem item)
{
if (item.Item.Equals(target.ForeignItem(this)))
{
contains = true;
}
});
if (!contains)
{
target.Add(target.NewCollectionItem(target.Parent, target.ForeignItem(this), null, null));
}
}
protected override void InMemoryLogic(EntityCollectionBase target)
{
target.ForEach(delegate(int index, CollectionItem item)
{
if (item.Item.Equals(target.ForeignItem(this)))
{
if (item.IsAfter(Moment))
{
target.RemoveAt(index);
}
else if (item.Overlaps(Moment))
{
target.SetItem(index, target.NewCollectionItem(target.Parent, item.Item, item.StartDate, Moment));
}
}
});
}
private protected void ExecuteAction(ClearRelationshipsAction action)
{
if (DbTransaction != null)
{
DbTransaction?.Register(action);
}
else
{
foreach (Property property in GetEntity().Properties.Where(item => item.PropertyType != PropertyType.Attribute))
{
if (property.ForeignProperty == null)
{
continue;
}
IEnumerable <OGM> instances;
object value = property.GetValue(this, null);
if (property.PropertyType == PropertyType.Lookup)
{
instances = new OGM[] { (OGM)value }
}
;
else
{
instances = (IEnumerable <OGM>)value;
}
foreach (OGM instance in instances)
{
if (property.ForeignProperty.PropertyType == PropertyType.Lookup)
{
property.ForeignProperty.SetValue(instance, null);
}
else
{
EntityCollectionBase collection = (EntityCollectionBase)property.ForeignProperty.GetValue(instance, null);
action.ExecuteInMemory(collection);
}
}
property.SetValue(this, null);
}
}
}
protected override void InMemoryLogic(EntityCollectionBase target)
{
OGM?foreignItem = target.ForeignItem(this);
if (foreignItem is null)
{
target.ForEach((index, item) =>
{
if (item is not null)
{
if (item.IsAfter(Moment))
{
target.RemoveAt(index);
}
else if (item.Overlaps(Moment))
{
target.SetItem(index, target.NewCollectionItem(target.Parent, item.Item, item.StartDate, Moment));
}
}
});
}
else
{
int[] indexes = target.IndexOf(foreignItem);
foreach (int index in indexes)
{
CollectionItem?item = target.GetItem(index);
if (item is not null)
{
if (item.IsAfter(Moment))
{
target.RemoveAt(index);
}
else if (item.Overlaps(Moment))
{
target.SetItem(index, target.NewCollectionItem(target.Parent, item.Item, item.StartDate, Moment));
}
}
}
}
}
internal void Register(Core.EntityCollectionBase item)
{
if (item == null)
{
return;
}
item.DbTransaction = this;
string relationshipName = item.Relationship.Name;
Dictionary <string, HashSet <Core.EntityCollectionBase> >?properties;
if (!registeredCollections.TryGetValue(relationshipName, out properties))
{
properties = new Dictionary <string, HashSet <Core.EntityCollectionBase> >();
registeredCollections.Add(relationshipName, properties);
}
string propertyName = string.Concat(item.Parent.GetEntity().Name, ".", item.ParentProperty?.Name ?? "NonExisting");
HashSet <Core.EntityCollectionBase>?values;
if (!properties.TryGetValue(propertyName, out values))
{
values = new HashSet <Core.EntityCollectionBase>();
values.SetCapacity(1000);
properties.Add(propertyName, values);
}
if (values.Contains(item))
{
throw new InvalidOperationException("You cannot register an already loaded collection.");
}
values.Add(item);
}
protected override void InMemoryLogic(EntityCollectionBase target)
{
target.ForEach(delegate(int index, CollectionItem item)
{
if (target.Direction == DirectionEnum.Out)
{
if ((OutItem is not null && item.Parent.Equals(OutItem)) || (InItem is not null && item.Item.Equals(InItem)))
{
Remove();
}
}
else if (target.Direction == DirectionEnum.In)
{
if ((InItem is not null && item.Parent.Equals(InItem)) || (OutItem is not null && item.Item.Equals(OutItem)))
{
Remove();
}
}
else
{
throw new NotSupportedException("Please contact developer.");
}
void Remove()
{
if (item.IsAfter(Moment))
{
target.RemoveAt(index);
}
else if (item.Overlaps(Moment))
{
target.SetItem(index, target.NewCollectionItem(target.Parent, item.Item, item.StartDate, Moment));
}
}
});
}
protected override void InMemoryLogic(EntityCollectionBase target)
{
target.ForEach(delegate(int index, CollectionItem item)
{
if (target.Direction == DirectionEnum.Out)
{
if ((OutItem is not null && item.Parent.Equals(OutItem)) || (InItem is not null && item.Item.Equals(InItem)))
{
target.RemoveAt(index);
}
}
else if (target.Direction == DirectionEnum.In)
{
if ((InItem is not null && item.Parent.Equals(InItem)) || (OutItem is not null && item.Item.Equals(OutItem)))
{
target.RemoveAt(index);
}
}
else
{
throw new NotSupportedException("Please contact developer.");
}
});
}
public abstract IEnumerable <CollectionItem> Load(OGM parent, EntityCollectionBase target);
