//private IEnumerable<IStateSource<V>> _inputStateSources;
//protected StateAggregator() {
//}
//protected StateAggregator(IEnumerable<IStateSource<V>> inputStateSources) {
// _inputStateSources = inputStateSources;
//}
//public void Aggregate() {
// Aggregate(_inputStateSources);
//}
public void Aggregate(IEnumerable <IStateSource <V> > inputStateSources)
{
if (inputStateSources == null)
{
throw new ArgumentNullException("inputStateSources");
}
IStateSource <V>[] inputStateSourcesArray = inputStateSources.ToArray();
if (inputStateSourcesArray.Length == 0)
{
State = default(V);
return;
}
IStateSource <V> firstCommand = inputStateSourcesArray[0];
if (inputStateSourcesArray.Length == 1)
{
State = _GetValueFromState(firstCommand);
// This is part of two things: context and channel
//Context: Getting the channel states set in the context; effect is being
//aggregated into it.
//Channel: Getting its state set from its context sources.
return;
}
IStateSource <V> state = inputStateSourcesArray.Aggregate(_Combinator);
State = _GetValueFromState(state);
}
//public CommandStateAggregator() {
//}
//public CommandStateAggregator(IEnumerable<IStateSource<Command>> stateSources)
// : base(stateSources) {
//}
//Not being called because there is only a single state; nothing to combine.
protected override IStateSource <Command> _Combinator(IStateSource <Command> left, IStateSource <Command> right)
{
if (left == null)
{
return(right);
}
if (right == null)
{
return(left);
}
Command value1 = left.State;
Command value2 = right.State;
if (value1 == null)
{
return(right);
}
if (value2 == null)
{
return(left);
}
return(new CommandStateSource(value1.Combine(value2)));
}
private V _GetValueFromState(IStateSource <V> state)
{
return((state != null) ? state.State : default(V));
}
abstract protected IStateSource <V> _Combinator(IStateSource <V> left, IStateSource <V> right);
public WebSocketState(IContext context, IStateSource source, HttpConfig config)
{
_source = source;
_config = config;
context.FireNextRead(FrameRequest.CreateConnectedRequest());
}
public HttpState(IStateSource source, HttpConfig config)
{
_source = source;
_config = config;
_keepalive = false;
}
public void RemoveStateSource(IStateSource stateSource)
{
_stateSources.Remove(stateSource);
stateSource.StateUpdated -= UpdateWorldState;
}
public void AddStateSource(IStateSource stateSource)
{
_stateSources.Add(stateSource);
stateSource.StateUpdated += UpdateWorldState;
}
