private bool RemoveItem(TSource item)
{
GroupAndElement info;
if (_outputShadowMap.TryGetValue(item, out info))
{
_outputShadowMap.Remove(item);
GroupedContinuousCollection <TKey, TElement> group = info.Group;
bool wasRemoved;
try
{
group.IsSealed = false;
wasRemoved = group.Remove(info.Element);
}
finally
{
group.IsSealed = true;
}
if (group.Count == 0)
{
this.OutputCollection.Remove(group);
_groupMap.Remove(group.Key);
}
return(wasRemoved);
}
else
{
return(false);
}
}
private void AddItem(TSource item, TElement element)
{
TKey theKey = _keySelector(item);
GroupedContinuousCollection <TKey, TElement> outputGroup;
if (_groupMap.TryGetValue(theKey, out outputGroup) == false)
{
outputGroup = new GroupedContinuousCollection <TKey, TElement>(theKey, _comparer);
this.OutputCollection.Add(outputGroup);
_groupMap[theKey] = outputGroup;
}
try
{
outputGroup.IsSealed = false;
outputGroup.Add(element);
}
finally
{
outputGroup.IsSealed = true;
}
_outputShadowMap[item] = new GroupAndElement(outputGroup, element);
}
public bool Equals(GroupedContinuousCollection <TKey, TElement> other)
{
return(_comparer.Equals(this.Key, other.Key));
}
public GroupAndElement(GroupedContinuousCollection <TKey, TElement> group, TElement element)
{
this.Group = group;
this.Element = element;
}