/**********************************************************
* Private Methods
*********************************************************/
private bool AddToWeakReferenceDict(TKey key, TValue value)
{
int hashCodeKey = key.GetHashCode();
if (IsAutoClean)
{
Clean(hashCodeKey);
}
if (!_weakRefDict.ContainsKey(hashCodeKey))
{
WeakKeyPair <TKey, TValue> weakPair = new WeakKeyPair <TKey, TValue>(key, value);
_weakRefDict.Add(hashCodeKey, weakPair);
return(true);
}
else
{
if (_weakRefDict[hashCodeKey].Key.Equals(key))
{
return(true);
}
}
return(false);
}
public TValue this[TKey key]
{
get
{
TValue value = GetFromWeakReferenceDict(key);
if (object.Equals(value, default(TValue)))
{
value = GetFromHardReferenceDict(key);
}
return(value);
}
set
{
if (!_hardRefDict.ContainsKey(key))
{
int hashCodeKey = key.GetHashCode();
if (_weakRefDict.ContainsKey(hashCodeKey))
{
WeakKeyPair <TKey, TValue> weakKeyPair = _weakRefDict[hashCodeKey];
weakKeyPair.Value = value;
}
else
{
Debug.LogWarning("WeakDictionary - There is no entry for key [" + key + "].");
}
}
else
{
_hardRefDict[key] = value;
}
}
}
private bool Clean(int hashCodeKey)
{
bool success = false;
if (_weakRefDict.ContainsKey(hashCodeKey))
{
WeakKeyPair <TKey, TValue> weakKeyPair = _weakRefDict[hashCodeKey];
if (!weakKeyPair.IsAlive)
{
weakKeyPair.Dispose();
_weakRefDict.Remove(hashCodeKey);
success = true;
}
}
return(success);
}