Update of /cvsroot/quantproject/QuantProject/b4_Business/a2_Strategies/Eligibles
In directory sc8-pr-cvs16.sourceforge.net:/tmp/cvs-serv13445/b4_Business/a2_Strategies/Eligibles
Added Files:
EligibleTickers.cs
Log Message:
Strongly typed collection of tickers
--- NEW FILE: EligibleTickers.cs ---
/*
QuantProject - Quantitative Finance Library
EligibleTickers.cs
Copyright (C) 2007
Glauco Siliprandi
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
using System;
using System.Data;
namespace QuantProject.Business.Strategies.Eligibles
{
/// <summary>
/// Strongly typed collection of tickers
/// </summary>
public class EligibleTickers : System.Collections.CollectionBase
{
/// <summary>
///
/// </summary>
/// <param name="dtTickers">DataTable in the form returned by
/// a ticker selector</param>
public EligibleTickers( DataTable dtTickers )
{
this.addTickers( dtTickers );
}
#region addTickers
private void checkParameter( DataRow dataRow )
{
if ( !( dataRow[ 0 ] is string ) )
throw new Exception( "The datatable of eligible tickers is " +
"expected to have a single element in each " +
"DataRow and that element should be a string" );
}
private void addTicker_actually( string ticker )
{
this.List.Add( ticker );
}
private void addTicker( DataRow dataRow )
{
this.checkParameter( dataRow );
this.addTicker_actually( (string)dataRow[ 0 ] );
} private void addTickers( DataTable dtTickers )
{
foreach ( DataRow dataRow in dtTickers.Rows )
this.addTicker( dataRow );
}
#endregion addTickers
public string this[ int index ]
{
get
{
return( (string) this.List[ index ] );
}
set
{
// if ( !(value is string) )
// throw new Exception( "You are trying to add " +
// "a ticker that is not a string !!" );
this.List[ index ] = value;
}
}
}
}
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