public V this[K key]
{
get { return(myMap[key]); }
set
{
V oldval;
bool isUpdate = myMap.TryGetValue(key, out oldval);
if (isUpdate && Equals(oldval, value))
{
return;
}
myMap[key] = value;
// ReSharper disable once ConvertIfStatementToConditionalTernaryExpression
if (isUpdate)
{
myChange.Fire(MapEvent <K, V> .Update(key, oldval, value));
}
else
{
myChange.Fire(MapEvent <K, V> .Add(key, value));
}
}
}
public bool Remove(TK key)
{
if (!myStorage.TryGetValue(key, out var value))
{
return(false);
}
myStorage.Remove(key);
myChange.Fire(MapEvent <TK, TV> .Remove(key, value));
return(true);
}
public void Clear()
{
var changes = new List <MapEvent <TK, TV> >(Count);
changes.AddRange(myStorage.Select(kv => MapEvent <TK, TV> .Remove(kv.Key, kv.Value)));
myStorage.Clear();
foreach (var change in changes)
{
myChange.Fire(change);
}
}
public bool Remove(K key)
{
V value;
if (!myMap.TryGetValue(key, out value))
{
return(false);
}
myMap.Remove(key);
myChange.Fire(MapEvent <K, V> .Remove(key, value));
return(true);
}
public void Advise(Lifetime lifetime, Action <MapEvent <K, V> > handler)
{
foreach (var kv in this)
{
try
{
handler(MapEvent <K, V> .Add(kv.Key, kv.Value));
}
catch (Exception e)
{
Log.Root.Error(e);
}
}
myChange.Advise(lifetime, handler);
}
public void Add(TK key, TV value)
{
myStorage.Add(key, value);
myChange.Fire(MapEvent <TK, TV> .Add(key, value));
}
public void Add(K key, V value)
{
myMap.Add(key, value);
myChange.Fire(MapEvent <K, V> .Add(key, value));
}
