public IEnumerable <AggregationResult> Modify(AggregationContext context, ITuple tuple, IEnumerable <IFact> facts)
{
var results = new List <AggregationResult>();
foreach (var fact in facts)
{
var collection = (IEnumerable <TElement>)fact.Value;
foreach (var value in collection)
{
if (_firstElements.TryGetValue(fact, out var oldFirst))
{
if (Equals(oldFirst, value))
{
results.Add(AggregationResult.Modified(value, value, Enumerable.Repeat(fact, 1)));
}
else
{
results.Add(AggregationResult.Removed(oldFirst));
results.Add(AggregationResult.Added(value, Enumerable.Repeat(fact, 1)));
}
}
else
{
results.Add(AggregationResult.Added(value, Enumerable.Repeat(fact, 1)));
}
_firstElements[fact] = value;
break;
}
}
return(results);
}
public IEnumerable <AggregationResult> Remove(object fact)
{
var source = (TSource)fact;
var oldList = _sourceToList[source];
_sourceToList.Remove(source);
return(oldList.Select(x => AggregationResult.Removed(x)).ToArray());
}
public IEnumerable <AggregationResult> Remove(object fact)
{
var source = (TSource)fact;
var oldValue = _sourceToValue[source];
_sourceToValue.Remove(source);
return(new[] { AggregationResult.Removed(oldValue) });
}
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(object fact)
{
var source = (TSource)fact;
var value = _selector(source);
var list = value.ToList();
var oldList = _sourceToList[source];
_sourceToList[source] = list;
return(oldList.Select(x => AggregationResult.Removed(x)).Concat(
list.Select(x => AggregationResult.Added(x))).ToArray());
}
public IEnumerable <AggregationResult> Remove(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);
}
public IEnumerable <AggregationResult> Remove(IEnumerable <object> facts)
{
var results = new List <AggregationResult>();
foreach (var fact in facts)
{
var source = (TSource)fact;
var oldValue = _sourceToValue[source];
_sourceToValue.Remove(source);
results.Add(AggregationResult.Removed(oldValue));
}
return(results);
}
public IEnumerable <AggregationResult> Remove(AggregationContext context, ITuple tuple, IEnumerable <IFact> facts)
{
var results = new List <AggregationResult>();
foreach (var fact in facts)
{
if (_firstElements.TryGetValue(fact, out var oldFirst))
{
results.Add(AggregationResult.Removed(oldFirst));
_firstElements.Remove(fact);
}
}
return(results);
}
public IEnumerable <AggregationResult> Remove(IEnumerable <object> facts)
{
var results = new List <AggregationResult>();
foreach (var fact in facts)
{
var source = (TSource)fact;
var oldList = _sourceToList[source];
_sourceToList.Remove(source);
foreach (var item in oldList)
{
results.Add(AggregationResult.Removed(item));
}
}
return(results);
}
public IEnumerable <AggregationResult> Modify(object fact)
{
var source = (TSource)fact;
var value = _selector(source);
var oldValue = _sourceToValue[source];
_sourceToValue[source] = value;
if (Equals(oldValue, value))
{
return new[] { AggregationResult.Modified(value) }
}
;
return(new[] { AggregationResult.Removed(oldValue), AggregationResult.Added(value) });
}
public IEnumerable <AggregationResult> Modify(IEnumerable <object> facts)
{
var results = new List <AggregationResult>();
foreach (var fact in facts)
{
var source = (TSource)fact;
var value = _selector(source);
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 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);
}
private IEnumerable <AggregationResult> Remove(TKey key, TElement element)
{
if (Equals(key, _defaultKey))
{
_defaultGroup.Remove(element);
if (_defaultGroup.Count == 0)
{
var removedGroup = _defaultGroup;
_defaultGroup = null;
return(new[] { AggregationResult.Removed(removedGroup) });
}
return(new[] { AggregationResult.Modified(_defaultGroup) });
}
var group = _groups[key];
group.Remove(element);
if (group.Count == 0)
{
_groups.Remove(key);
return(new[] { AggregationResult.Removed(group) });
}
return(new[] { AggregationResult.Modified(group) });
}