public static BindingHandle CreateBinding <A, B>(BindPoint source, Arrow <A, B> arrow, BindPoint destination)
{
/*
* Creates a one-to-one binding from a source, an arrow and a destination. Infers
* whether it should be bidirectional from the type of the supplied arrow.
*/
if (LinkWouldCauseConflict(source, destination))
{
throw new BindingConflictException();
}
Binding <A, B> result;
if (arrow is InvertibleArrow <A, B> )
{
result = new TwoWayBinding <A, B>(source, (InvertibleArrow <A, B>)arrow, destination);
UpdateBindingGraphBothWays(source, destination);
}
else
{
result = new Binding <A, B>(source, arrow, destination);
UpdateBindingGraph(source, destination);
}
BindingHandle handle = new BindingHandle(result);
bindings.Add(handle, result);
return(handle);
}
public override bool Equals(Object o)
{
if (o is BindingHandle)
{
BindingHandle otherBinding = (BindingHandle)o;
return(Equals(id, otherBinding.id));
}
else
{
return(false);
}
}
public static void Unbind(BindingHandle handle)
{
/*
* Removes the binding associated with the given handle by calling its Unbind method
* to unsubscribe it from events, removing it from the bindings dictionary and removing
* it from the binding graph.
*/
IBinding binding = bindings[handle];
binding.Unbind();
bindings.Remove(handle);
bindGraph.RemoveBindings(binding.GetSources().ToArray(), binding.GetDestinations().ToArray());
}
public static BindingHandle CreateBinding <A, B>(BindPoint[] sources, Arrow <A, B> arrow, BindPoint[] destinations)
{
/*
* Creates a many-to-many binding from a list of sources, an arrow (on tuples) and a
* list of destinations. Infers whether it should be bidirectional from the type of the
* supplied arrow.
*
* NOTE: Syntax for this constructor is simplified by the helper functions below,
* leading to:
*
* CreateBinding(Sources(BindPoint(obj, var), BindPoint(obj', var')), arrow,
* Destinations(BindPoint(obj'', var'')))
*/
if (MultiLinkWouldCauseConflict(sources, destinations))
{
throw new BindingConflictException();
}
if (!ArgumentCountsCorrectForArrow(sources.Count(), destinations.Count(), arrow))
{
throw new BindingEndpointCountException();
}
MultiBinding <A, B> result;
if (arrow is InvertibleArrow <A, B> )
{
result = new TwoWayMultiBinding <A, B>(sources.ToList(), (InvertibleArrow <A, B>)arrow, destinations.ToList());
UpdateBindingGraphBothWays(sources, destinations);
}
else
{
result = new MultiBinding <A, B>(sources.ToList(), arrow, destinations.ToList());
UpdateBindingGraph(sources, destinations);
}
BindingHandle handle = new BindingHandle(result);
bindings.Add(handle, result);
return(handle);
}