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));
}
public IEnumerable <AggregationResult> Remove(AggregationContext context, ITuple tuple, IEnumerable <IFact> facts)
{
var results = new List <AggregationResult>();
foreach (var fact in facts)
{
var oldValue = _sourceToValue[fact];
_sourceToValue.Remove(fact);
results.Add(AggregationResult.Removed(oldValue));
}
return(results);
}
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> Remove(ITuple tuple, IEnumerable <IFact> facts)
{
var results = new List <AggregationResult>();
foreach (var fact in facts)
{
var source = (TSource)fact.Value;
var oldValue = _sourceToValue[source];
_sourceToValue.Remove(source);
results.Add(AggregationResult.Removed(oldValue));
}
return(results);
}
public IEnumerable <AggregationResult> Remove(ITuple tuple, IEnumerable <IFact> facts)
{
var results = new List <AggregationResult>();
foreach (var fact in facts)
{
var source = (TSource)fact.Value;
var oldList = _sourceToList[source];
_sourceToList.Remove(source);
foreach (var item in oldList)
{
results.Add(AggregationResult.Removed(item));
}
}
return(results);
}
public IEnumerable <AggregationResult> Remove(ITuple tuple, IEnumerable <IFact> facts)
{
var results = new List <AggregationResult>();
foreach (var fact in facts)
{
var oldList = _sourceToList[fact];
_sourceToList.Remove(fact);
foreach (var item in oldList)
{
if (RemoveRef(item) == 0)
{
results.Add(AggregationResult.Removed(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 = (IEnumerable <TResult>)_selector.Invoke(tuple, fact);
var list = new List <TResult>(value);
var oldList = _sourceToList[source];
_sourceToList[source] = list;
foreach (var item in oldList)
{
results.Add(AggregationResult.Removed(item));
}
foreach (var item in list)
{
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 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);
}
