MarketDataGenerator. Clone fix.

Algo/Testing/MarketDataGenerator.cs

@@ -214,5 +214,19 @@ public RandomArray<int> Steps
 			}
 			protected set => _steps = value ?? throw new ArgumentNullException(nameof(value));
 		}
+
+		/// <summary>
+		/// Copy the message into the <paramref name="destination" />.
+		/// </summary>
+		/// <param name="destination">The object, to which copied information.</param>
+		protected void CopyTo(MarketDataGenerator destination)
+		{
+			destination.Interval = Interval;
+			destination.MinVolume = MinVolume;
+			destination.MaxVolume = MaxVolume;
+			destination.MaxPriceStepCount = MaxPriceStepCount;
+			destination._volumes = _volumes;
+			destination._steps = _steps;
+		}
 	}
 }

Algo/Testing/MarketDepthGenerator.cs

@@ -181,6 +181,22 @@ protected QuoteChange CreateQuote(decimal startPrice, Sides side)
 
 			return new QuoteChange(price, Volumes.Next(), ordersCount);
 		}
+
+		/// <summary>
+		/// Copy the message into the <paramref name="destination" />.
+		/// </summary>
+		/// <param name="destination">The object, to which copied information.</param>
+		protected void CopyTo(MarketDepthGenerator destination)
+		{
+			base.CopyTo(destination);
+
+			destination.UseTradeVolume = UseTradeVolume;
+			destination.MinSpreadStepCount = MinSpreadStepCount;
+			destination.MaxSpreadStepCount = MaxSpreadStepCount;
+			destination.MaxBidsDepth = MaxBidsDepth;
+			destination.MaxAsksDepth = MaxAsksDepth;
+			destination.MaxGenerations = MaxGenerations;
+		}
 	}
 
 	/// <summary>
@@ -447,22 +463,9 @@ protected override Message OnProcess(Message message)
 		/// <returns>Copy.</returns>
 		public override MarketDataGenerator Clone()
 		{
-			return new TrendMarketDepthGenerator(SecurityId)
-			{
-				MaxVolume = MaxVolume,
-				MinVolume = MinVolume,
-				MaxPriceStepCount = MaxPriceStepCount,
-				Interval = Interval,
-				Volumes = Volumes,
-				Steps = Steps,
-
-				UseTradeVolume = UseTradeVolume,
-				MinSpreadStepCount = MinSpreadStepCount,
-				MaxSpreadStepCount = MaxSpreadStepCount,
-				MaxBidsDepth = MaxBidsDepth,
-				MaxAsksDepth = MaxAsksDepth,
-				MaxGenerations = MaxGenerations,
-			};
+			var clone = new TrendMarketDepthGenerator(SecurityId);
+			CopyTo(clone);
+			return clone;
 		}
 	}
 }

Algo/Testing/OrderLogGenerator.cs

@@ -78,8 +78,10 @@ public IdGenerator IdGenerator
 		/// </summary>
 		public override void Init()
 		{
-			TradeGenerator.Init();
 			base.Init();
+
+			_lastOrderPrice = default;
+			TradeGenerator.Init();
 		}
 
 		/// <inheritdoc />
@@ -236,11 +238,15 @@ protected override Message OnProcess(Message message)
 		/// <returns>Copy.</returns>
 		public override MarketDataGenerator Clone()
 		{
-			return new OrderLogGenerator(SecurityId, TradeGenerator.TypedClone())
+			var clone = new OrderLogGenerator(SecurityId, TradeGenerator.TypedClone())
 			{
 				_lastOrderPrice = _lastOrderPrice,
 				IdGenerator = IdGenerator
 			};
+
+			CopyTo(clone);
+
+			return clone;
 		}
 	}
 }

Algo/Testing/TradeGenerator.cs

@@ -69,6 +69,14 @@ public RandomWalkTradeGenerator(SecurityId securityId)
 		{
 		}
 
+		/// <inheritdoc />
+		public override void Init()
+		{
+			base.Init();
+
+			_lastTradePrice = default;
+		}
+
 		/// <summary>
 		/// To generate the value for <see cref="ExecutionMessage.OriginSide"/>. By default is disabled.
 		/// </summary>
@@ -157,20 +165,15 @@ protected override Message OnProcess(Message message)
 		/// <returns>Copy.</returns>
 		public override MarketDataGenerator Clone()
 		{
-			return new RandomWalkTradeGenerator(SecurityId)
+			var clone = new RandomWalkTradeGenerator(SecurityId)
 			{
-				_lastTradePrice = _lastTradePrice,
-
-				MaxVolume = MaxVolume,
-				MinVolume = MinVolume,
-				MaxPriceStepCount = MaxPriceStepCount,
-				Interval = Interval,
-				Volumes = Volumes,
-				Steps = Steps,
-
 				GenerateOriginSide = GenerateOriginSide,
 				IdGenerator = IdGenerator
 			};
+
+			CopyTo(clone);
+
+			return clone;
 		}
 	}
 }