private void CreateNewItems(IUpdateImplementer <T> updater)
{
foreach (var entity in updater.GetNextFilteredItem())
{
T val;
var exist = _entitiesAsDict.TryGetValue(entity, out val);
if (!exist)
{
var crResult = updater.Factory(entity);
if (crResult.IsCreated)
{
_entities.Add(new KeyValuePair <uint, T>(entity, crResult.Result));
_entitiesAsDict.Add(entity, crResult.Result);
val = crResult.Result;
exist = true;
}
}
if (exist)
{
updater.Update(entity, val);
}
}
}
public void Dispose(IUpdateImplementer <T> updater)
{
for (var index = 0; index < _entities.Count; index++)
{
var item = _entities[index];
updater.Dispose(item.Key, item.Value);
}
_entities.Clear();
_entitiesAsDict.Clear();
}
private void RemoveDeletedItems(IUpdateImplementer <T> updater)
{
for (var index = 0; index < _entities.Count; index++)
{
var kvpCreated = _entities[index];
if (!updater.HasEntityWithId(kvpCreated.Key))
{
var item = _entities[index];
updater.Dispose(item.Key, item.Value);
_entities.RemoveAt(index);
_entitiesAsDict.Remove(kvpCreated.Key);
index--;
}
}
}
public void ProcessUpdate(IUpdateImplementer <T> updater)
{
RemoveDeletedItems(updater);
CreateNewItems(updater);
}
