[Quantproject-developers] QuantProject/b7_Scripts/WalkForwardTesting/WalkForwardLag WeightedPositions.cs, 1.1, 1.2

[Glauco S. <gla...@us...>]

Update of /cvsroot/quantproject/QuantProject/b7_Scripts/WalkForwardTesting/WalkForwardLag
In directory sc8-pr-cvs7.sourceforge.net:/tmp/cvs-serv9429/b7_Scripts/WalkForwardTesting/WalkForwardLag

Modified Files:
	WeightedPositions.cs 
Log Message:
- the public static method AreValidTickers has been added
- the constructor's parameter are further checked now: no duplicate is allowed for tickers

Index: WeightedPositions.cs
===================================================================
RCS file: /cvsroot/quantproject/QuantProject/b7_Scripts/WalkForwardTesting/WalkForwardLag/WeightedPositions.cs,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -d -r1.1 -r1.2
*** WeightedPositions.cs	31 Jul 2006 16:42:29 -0000	1.1
--- WeightedPositions.cs	8 Sep 2006 15:32:27 -0000	1.2
***************
*** 59,62 ****
--- 59,74 ----
  			}
  		}
+ 		#region checkParameters
+ 		private void checkParameters_checkDoubleTickers( string[] tickers )
+ 		{
+ 			SortedList sortedTicker = new SortedList();
+ 			foreach ( string ticker in tickers )
+ 				if ( !sortedTicker.ContainsKey( ticker ) )
+ 					sortedTicker.Add( ticker , ticker );
+ 				else
+ 					throw new Exception( "The WeightedPositions constructur " +
+ 						"has received a tickers parameter with the ticker '" +
+ 						ticker + "' that is contained twice! This is not allowed." );
+ 		}
  		private void checkParameters( double[] normalizedWeightValues ,
  			string[] tickers )
***************
*** 72,76 ****
--- 84,90 ----
  					"should sum up to 1, " +
  					"but it sums up to " + totalWeight.ToString() );
+ 			this.checkParameters_checkDoubleTickers( tickers );
  		}
+ 		#endregion
  		public WeightedPosition GetWeightedPosition( string ticker )
  		{
***************
*** 250,253 ****
--- 264,278 ----
  		}
  		#endregion
+ 		/// <summary>
+ 		/// It controls if a WeightedPositions class may be build on the
+ 		/// given tickers
+ 		/// </summary>
+ 		/// <param name="tickers"></param>
+ 		/// <returns></returns>
+ 		public static bool AreValidTickers( string[] tickers )
+ 		{
+ 			return !QuantProject.ADT.Collections.CollectionManager.ContainsDuplicates(
+ 				tickers );
+ 		}
  
  	}