internal static bool CanConnectImpl(
IOutputValuePort source, IInputValuePort destination, bool checkExistence = true)
{
if (checkExistence && !Exist(source, destination))
{
return(false);
}
return(destination.ValueType.IsAssignableFrom(source.ValueType));
}
internal static bool DisconnectImpl(
IOutputValuePort source, IInputValuePort destination, Action <ValueConnection> preAction)
{
return(Connection.DisconnectImpl(source, destination, preAction));
}
internal static ValueConnection ConnectImpl(
IOutputValuePort source, IInputValuePort destination, Action <ValueConnection> postAction)
{
return(ConnectImpl((src, dst) => new ValueConnection(src, dst), source, destination, postAction));
}
/// <summary>
/// Get a value indicates whether the specified ports can be connected.
/// This method is equivalent to <see cref="IInputFlowPort.CanConnect(IOutputFlowPort)" /> and
/// <see cref="IOutputFlowPort.CanConnect(IInputFlowPort)" />.
/// </summary>
/// <param name="source">The source port of the desired connection.</param>
/// <param name="destination">The destination port of the desired connection.</param>
/// <returns>
/// <see langword="true" /> if the specified ports can be connected; otherwise, <see langword="false" />.
/// </returns>
public static bool CanConnect(IOutputValuePort source, IInputValuePort destination)
{
return(CanConnectImpl(source, destination));
}
internal ValueConnection(IOutputValuePort source, IInputValuePort destination) : base(source, destination)
{
}
public static IEnumerable <IOutputValuePort> GetConnectedPorts(this IInputValuePort self)
{
return(self.Connections.Select(c => c.Source));
}