public static void View <K, V>(this IViewableMap <K, V> me, Lifetime lifetime, Action <Lifetime, K, V> handler)
{
var lifetimes = new Dictionary <KeyValuePair <K, V>, LifetimeDefinition>();
me.AdviseAddRemove(lifetime, (kind, key, value) =>
{
var entry = JetKeyValuePair.Of(key, value);
switch (kind)
{
case AddRemove.Add:
var def = Lifetime.Define(lifetime);
lifetimes.Add(entry, def);
handler(def.Lifetime, entry.Key, entry.Value);
break;
case AddRemove.Remove:
def = lifetimes[entry];
lifetimes.Remove(entry);
def.Terminate();
break;
default:
throw new ArgumentOutOfRangeException($"Illegal enum value: {kind}");
}
});
}
public static void AddOrReplaceLifetimed <K, V>(this IViewableMap <K, V> me, Lifetime lifetime, K k, Func <Lifetime, V> vfun)
{
var def = lifetime.CreateNested();
me[k] = vfun(def.Lifetime);
me.Change.Advise(def.Lifetime, _event =>
{
if (_event.Key.Equals(k))
{
def.Terminate();
}
});
}
public static void FlowInto <K, V>(this IViewableMap <K, V> me, Lifetime lifetime, IDictionary <K, V> storage)
{
me.Advise(lifetime, e =>
{
switch (e.Kind)
{
case AddUpdateRemove.Add:
case AddUpdateRemove.Update:
storage[e.Key] = e.NewValue;
break;
case AddUpdateRemove.Remove:
storage.Remove(e.Key);
break;
default:
throw new ArgumentOutOfRangeException($"Unexpected kind: {e.Kind}");
}
});
}
public static void AdviseAddRemove <K, V>(this IViewableMap <K, V> me, Lifetime lifetime, Action <AddRemove, K, V> handler)
{
me.Advise(lifetime, e =>
{
switch (e.Kind)
{
case AddUpdateRemove.Add:
handler(AddRemove.Add, e.Key, e.NewValue);
break;
case AddUpdateRemove.Update:
handler(AddRemove.Remove, e.Key, e.OldValue);
handler(AddRemove.Add, e.Key, e.NewValue);
break;
case AddUpdateRemove.Remove:
handler(AddRemove.Remove, e.Key, e.OldValue);
break;
default:
throw new ArgumentOutOfRangeException("" + e.Kind);
}
});
}
public static void View <K, V>(this IViewableMap <K, V> me, Lifetime lifetime, Action <Lifetime, KeyValuePair <K, V> > handler)
{
View(me, lifetime, (lf, k, v) => handler(lf, JetKeyValuePair.Of(k, v)));
}
public RdPerClientIdMap(Func <bool, V> valueFactory)
{
myValueFactory = valueFactory;
myMap = new ViewableMap <ClientId, V>();
}
public RdPerContextMap(RdContext <K> context, Func <bool, V> valueFactory)
{
myValueFactory = valueFactory;
Context = context;
myMap = new ViewableMap <K, V>();
}