[Quantproject-developers] QuantProject/b3_Data/DataTables Quotes.cs,1.2,1.3

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

Update of /cvsroot/quantproject/QuantProject/b3_Data/DataTables
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv4563/b3_Data/DataTables

Modified Files:
	Quotes.cs 
Log Message:
Performance optimization: the private setHistory variable
is introduced and the the setHistory method (to
create such new private variable) is introduced.

Index: Quotes.cs
===================================================================
RCS file: /cvsroot/quantproject/QuantProject/b3_Data/DataTables/Quotes.cs,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** Quotes.cs	26 May 2004 15:30:10 -0000	1.2
--- Quotes.cs	27 May 2004 16:45:38 -0000	1.3
***************
*** 25,28 ****
--- 25,30 ----
  		public static string AdjustedCloseToCloseRatio = "quAdjustedCloseToCloseRatio";
  
+ 		private History history;
+ 
  		/// <summary>
  		/// Gets the ticker whose quotes are contained into the Quotes object
***************
*** 120,123 ****
--- 122,134 ----
  		#endregion
  
+ 		private void setHistory()
+ 		{
+ 			if ( this.history == null )
+ 				// history has not been set, yet
+ 			{
+ 				this.history = new History();
+ 				this.history.Import( this , "quDate" , "quAdjustedClose" );
+ 			}
+ 		}
  		/// <summary>
  		/// returns the Date for the quote that is precedingDays before
***************
*** 129,134 ****
  		public DateTime GetPrecedingDate( DateTime quoteDate , int precedingDays )
  		{
! 			History history = new History();
! 			history.Import( this , "quDate" , "quAdjustedClose" );
  			return (DateTime) history.GetKey( Math.Max( 0 ,
  				history.IndexOfKeyOrPrevious( quoteDate ) -
--- 140,144 ----
  		public DateTime GetPrecedingDate( DateTime quoteDate , int precedingDays )
  		{
! 			setHistory();
  			return (DateTime) history.GetKey( Math.Max( 0 ,
  				history.IndexOfKeyOrPrevious( quoteDate ) -
***************
*** 146,151 ****
  		public DateTime GetFollowingDate( DateTime quoteDate , int followingDays )
  		{
! 			History history = new History();
! 			history.Import( this , "quDate" , "quAdjustedClose" );
  			return (DateTime) history.GetKey( Math.Max( 0 ,
  				history.IndexOfKeyOrPrevious( quoteDate ) -
--- 156,160 ----
  		public DateTime GetFollowingDate( DateTime quoteDate , int followingDays )
  		{
! 			setHistory();
  			return (DateTime) history.GetKey( Math.Max( 0 ,
  				history.IndexOfKeyOrPrevious( quoteDate ) -