public IEnumerator <KeyValuePair <TKey, TValue> > GetEnumerator()
{
SingleDependency single = _data as SingleDependency;
if (single != null)
{
yield return(new KeyValuePair <TKey, TValue>(single.Key, single.Value));
}
AnalysisDictionary <TKey, TValue> dict = _data as AnalysisDictionary <TKey, TValue>;
if (dict != null)
{
foreach (var keyValue in dict)
{
yield return(keyValue);
}
}
}
public TValue this[TKey key] {
get {
TValue res;
if (TryGetValue(key, out res))
{
return(res);
}
throw new KeyNotFoundException();
}
set {
if (_data == null)
{
_data = new SingleDependency(key, value);
return;
}
var single = _data as SingleDependency;
if (single != null)
{
if (EqualityComparer <TKey> .Default.Equals(single.Key, key))
{
single.Value = value;
return;
}
var data = new AnalysisDictionary <TKey, TValue>();
data[single.Key] = single.Value;
data[key] = value;
_data = data;
return;
}
var dict = _data as AnalysisDictionary <TKey, TValue>;
if (dict == null)
{
_data = dict = new AnalysisDictionary <TKey, TValue>();
}
dict[key] = value;
}
}
internal AnalysisDictionaryEnumerator(AnalysisDictionary <TKey, TValue> dict)
{
_buckets = dict._buckets;
_curValue = default(KeyValuePair <TKey, TValue>);
_curBucket = 0;
}