private AggregationResult Modify(IFact fact, TKey key, TElement element)
{
var group = _groups[key];
group.Modify(fact, element);
group.Key = key;
return(AggregationResult.Modified(group));
}
public IEnumerable <AggregationResult> Add(AggregationContext context, ITuple tuple, IEnumerable <IFact> facts)
{
AddFacts(context, tuple, facts);
if (!_created)
{
_created = true;
return(new[] { AggregationResult.Added(_sortedFactCollection, _sortedFactCollection.GetFactEnumerable()) });
}
return(new[] { AggregationResult.Modified(_sortedFactCollection, _sortedFactCollection, _sortedFactCollection.GetFactEnumerable()) });
}
public IEnumerable <AggregationResult> Add(AggregationContext context, ITuple tuple, IEnumerable <IFact> facts)
{
AddFacts(facts);
if (!_created)
{
_created = true;
return(new[] { AggregationResult.Added(_items, _items.Facts) });
}
return(new[] { AggregationResult.Modified(_items, _items, _items.Facts) });
}
private AggregationResult RemoveElementOnly(IFact fact, TKey key, TElement element)
{
var group = _groups[key];
group.Remove(fact, element);
if (group.Count == 0)
{
return(AggregationResult.Removed(group));
}
return(AggregationResult.Modified(group, group, group.Facts));
}
private AggregationResult Remove(TKey key, TElement element)
{
var group = _groups[key];
group.Remove(element);
if (group.Count == 0)
{
_groups.Remove(key);
return(AggregationResult.Removed(group));
}
return(AggregationResult.Modified(group));
}
public IEnumerable <AggregationResult> Modify(AggregationContext context, ITuple tuple, IEnumerable <IFact> facts)
{
var results = new List <AggregationResult>();
foreach (var fact in facts)
{
var value = _selector.Invoke(context, tuple, fact);
var oldValue = (TResult)_sourceToValue[fact];
_sourceToValue[fact] = value;
results.Add(AggregationResult.Modified(value, oldValue, Enumerable.Repeat(fact, 1)));
}
return(results);
}
public IEnumerable <AggregationResult> Modify(ITuple tuple, IEnumerable <IFact> facts)
{
var keys = new List <TKey>();
var resultLookup = new DefaultKeyMap <TKey, AggregationResult>();
foreach (var fact in facts)
{
var source = (TSource)fact.Value;
var key = (TKey)_keySelector.Invoke(tuple, fact);
var element = (TElement)_elementSelector.Invoke(tuple, fact);
var oldKey = _sourceToKey[source];
var oldElement = _sourceToElement[source];
_sourceToKey[source] = key;
_sourceToElement[source] = element;
if (Equals(key, oldKey))
{
var result = Modify(key, oldElement, element);
if (!resultLookup.ContainsKey(key))
{
keys.Add(key);
resultLookup[key] = result;
}
}
else
{
var result1 = Remove(oldKey, oldElement);
if (!resultLookup.ContainsKey(oldKey))
{
keys.Add(oldKey);
}
resultLookup[oldKey] = result1;
var result2 = Add(key, element);
AggregationResult previousResult;
if (!resultLookup.TryGetValue(key, out previousResult))
{
keys.Add(key);
resultLookup[key] = result2;
}
else if (previousResult.Action == AggregationAction.Removed ||
result2.Action == AggregationAction.Added)
{
resultLookup[key] = AggregationResult.Modified(previousResult.Aggregate);
}
}
}
var results = GetResults(keys, resultLookup);
return(results);
}
private AggregationResult Add(IFact fact, TKey key, TElement element)
{
if (!_groups.TryGetValue(key, out var group))
{
group = new Grouping(key);
_groups[key] = group;
group.Add(fact, element);
return(AggregationResult.Added(group));
}
group.Add(fact, element);
group.Key = key;
return(AggregationResult.Modified(group));
}
private AggregationResult Modify(TKey key, TElement oldElement, TElement element)
{
var group = _groups[key];
if (Equals(oldElement, element))
{
group.Modify(element);
}
else
{
group.Remove(oldElement);
group.Add(element);
}
return(AggregationResult.Modified(group));
}
private AggregationResult Add(TKey key, TElement element)
{
Grouping group;
if (!_groups.TryGetValue(key, out group))
{
group = new Grouping(key);
_groups[key] = group;
group.Add(element);
return(AggregationResult.Added(group));
}
group.Add(element);
return(AggregationResult.Modified(group));
}
public IEnumerable <AggregationResult> Modify(ITuple tuple, IEnumerable <IFact> facts)
{
var results = new List <AggregationResult>();
foreach (var fact in facts)
{
var list = new OrderedHashSet <TResult>();
var oldList = _sourceToList[fact];
_sourceToList[fact] = list;
var value = (IEnumerable <TResult>)_selector.Invoke(tuple, fact);
foreach (var item in value)
{
list.Add(item);
}
foreach (var item in oldList)
{
if (!list.Contains(item) &&
RemoveRef(item) == 0)
{
results.Add(AggregationResult.Removed(item));
}
}
foreach (var item in list)
{
if (oldList.Contains(item))
{
results.Add(AggregationResult.Modified(item));
}
else if (AddRef(item) == 1)
{
results.Add(AggregationResult.Added(item));
}
}
}
return(results);
}
public IEnumerable <AggregationResult> Modify(ITuple tuple, IEnumerable <IFact> facts)
{
var results = new List <AggregationResult>();
foreach (var fact in facts)
{
var source = (TSource)fact.Value;
var value = _selector.Invoke(tuple, fact);
var oldValue = (TResult)_sourceToValue[source];
_sourceToValue[source] = value;
if (Equals(oldValue, value))
{
results.Add(AggregationResult.Modified(value));
}
else
{
results.Add(AggregationResult.Removed(oldValue));
results.Add(AggregationResult.Added(value));
}
}
return(results);
}
public IEnumerable <AggregationResult> Remove(AggregationContext context, ITuple tuple, IEnumerable <IFact> facts)
{
RemoveFacts(context, tuple, facts);
return(new[] { AggregationResult.Modified(_sortedFactCollection, _sortedFactCollection, _sortedFactCollection.GetFactEnumerable()) });
}
public IEnumerable <AggregationResult> Remove(AggregationContext context, ITuple tuple, IEnumerable <IFact> facts)
{
RemoveFacts(facts);
return(new[] { AggregationResult.Modified(_items, _items, _items.Facts) });
}
public IEnumerable <AggregationResult> Modify(ITuple tuple, IEnumerable <IFact> facts)
{
ModifyFacts(facts);
return(new[] { AggregationResult.Modified(_items) });
}