GoTo.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Threading.Tasks;
using Waher.Script;
 
namespace TAG.Simulator.ObjectModel.Activities
{
    public class GoTo : ReferenceActivityNode 
    {
        private LinkedListNode<IActivityNode> node;
 
        public GoTo(ISimulationNode Parent, Model Model)
            : base(Parent, Model)
        {
        }
 
        public LinkedListNode<IActivityNode> Node => this.node;
 
        public override string LocalName => nameof(GoTo);
 
        public override ISimulationNode Create(ISimulationNode Parent, Model Model)
        {
            return new GoTo(Parent, Model);
        }
 
        public override Task Start()
        {
            if (!this.Model.TryGetActivityNode(this.Reference, out this.node))
                throw new Exception("Activity node not found: " + this.Reference);
 
            return base.Start();
        }
 
        public override Task<LinkedListNode<IActivityNode>> Execute(Variables Variables)
        {
            return Task.FromResult<LinkedListNode<IActivityNode>>(this.node);
        }
 
        public override void ExportPlantUml(StreamWriter Output, int Indentation, char QuoteChar)
        {
            Indent(Output, Indentation);
            Output.Write('(');
            Output.Write(this.Reference);
            Output.WriteLine(')');
 
            Indent(Output, Indentation);
            Output.WriteLine("detach");
        }
    }
}