Refactorization : BenchControl -> Rig

TBF/Rig/MettlerToledo/Multi/TaringOp.cs

@@ -0,0 +1,77 @@
+///
+/// Copyright (c) 2015-2016 Sensus Metering Systems
+///
+using System;
+using log4net;
+using TBF.Boxes;
+
+namespace TBF.Rig.MettlerToledo.Multi
+{
+	public class TaringOp : IOperation
+	{
+		private static readonly ILog log = LogManager.GetLogger(typeof(TaringOp));
+		public override string ToString() { return string.Format("TaringOp(.,.)"); }
+
+		bool done;
+
+		/// Set by the constructor
+		BalanceDev balanceDev;
+		DoubleBox tara;
+
+		/// <summary>
+		/// Events:  BalanceDone, Error
+		/// </summary>
+		/// <param name="balanceDev">Balance device instance</param>
+		/// <param name="result">Reference to variable for 'tara' in kg</param>
+		public TaringOp(BalanceDev balanceDev, ref DoubleBox tara)
+		{
+			if (balanceDev == null) throw new ArgumentNullException("balanceDev");
+			this.balanceDev = balanceDev;
+
+			this.tara = tara;
+
+			log.Debug(this.ToString());
+		}
+
+		/// <summary>Start this operation</summary>
+		public void Start()
+		{
+			tara.Val = 0.0f;	// Don't do anything, tara = 0
+			done = true;
+		}
+
+		/// <summary>Run this operation</summary>
+		/// <returns>
+		///		Event.None
+		///		Event.BalanceDone
+		///		Event.Error . . . . . Current.Tick == null
+		/// </returns>
+		public Event Run()
+		{
+			if (done) return Event.BalanceDone;			/// Taring has been done already
+
+			if (balanceDev.MsrmntState == MsrmntState.Busy) return Event.Busy;
+
+            if (balanceDev.MsrmntState == MsrmntState.Overload)
+            {
+                tara.Val = balanceDev.Capacity;
+                done = true;
+                return Event.BalanceOverload;
+            }
+
+            if (balanceDev.MsrmntState == MsrmntState.Valid)
+			{
+				tara.Val = balanceDev.Mass;
+				done = true;
+				return Event.BalanceDone;				/// Taring completed
+			}
+
+			return Event.Busy;
+		}
+
+		/// <summary>Stop this operation</summary>
+		public void Stop()
+		{
+		}
+	}
+}