//======================================================
// Events
//======================================================
//======================================================
// Private methods
//======================================================
/// <summary>
/// Assigns values to all variables of type <see cref="ExitPoint"/> marked with the <see cref="ExitPointAttribute"/> in the current instance.
/// </summary>
private void PopulateExitPoints()
{
var memberInfoTuples = GetType()
.GetMembers(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance)
.Select(mi => (mi, attr: mi.GetCustomAttribute <ExitPointAttribute>()))
.Where(tuple => tuple.attr != null);
foreach (var(memberInfo, attribute) in memberInfoTuples)
{
var type = Util.GetMemberInfoVariableType(memberInfo);
if (type == null)
{
continue;
}
if (!(type.IsAssignableFrom(typeof(ExitPoint))))
{
continue;
}
var exitPoint = new ExitPoint()
{
Definition = new ExitPointDefinition()
{
IsError = attribute.IsError,
Name = attribute.Name ?? memberInfo.Name
}
};
Util.SetMemberValue(this, memberInfo, exitPoint);
}
}
/// <summary>
/// Finds the next steps from a given step in the process.
/// </summary>
/// <param name="source">The source step from which edges are searched.</param>
/// <param name="exit">The exit from which the edge should start.</param>
/// <returns>A possibly empty list of states which follow in the automaton based on the defined <see cref="Edges"/>.</returns>
public IEnumerable <ProcessStep> FindNextSteps(ProcessStep source, ExitPoint exit)
{
if (exit == null)
{
throw new ArgumentNullException(nameof(exit));
}
return(Edges
.Where(e => e.Source == source && e.SourceExit == exit.Definition)
.Select(e => e.Destination));
}