コード例 #1
0
        private static decimal GetCurrencyConversionRatio(CurrencyInfo originalCurrency, CurrencyInfo targetCurrency)
        {
            rwlock.AcquireReaderLock(Timeout.Infinite);
            try
            {
                string currencyConversionKey = originalCurrency.ISOCode3 + "To" + targetCurrency.ISOCode3 + "ConversionRate";

                if (!_currency_ConversionRateDictionary.ContainsKey(currencyConversionKey))
                {
                    decimal conversionRate;
                    if (!string.IsNullOrEmpty(ConfigurationManager.AppSettings[currencyConversionKey]) &&
                        decimal.TryParse(ConfigurationManager.AppSettings[currencyConversionKey], out conversionRate))
                    {
                        LockCookie lc = rwlock.UpgradeToWriterLock(Timeout.Infinite);
                        try
                        {
                            if (!_currency_ConversionRateDictionary.ContainsKey(currencyConversionKey))
                            {
                                _currency_ConversionRateDictionary.Add(currencyConversionKey, conversionRate);
                            }
                            return(_currency_ConversionRateDictionary[currencyConversionKey]);
                        }
                        finally
                        {
                            rwlock.DowngradeFromWriterLock(ref lc);
                        }
                    }
                    else
                    {
                        throw new Exception("Conversion between " + originalCurrency.ISOCode3 + " and " + targetCurrency.ISOCode3
                                            + " is not currently available");
                    }
                }
                else
                {
                    return(_currency_ConversionRateDictionary[currencyConversionKey]);
                }
            }
            finally
            {
                rwlock.ReleaseReaderLock();
            }
        }
コード例 #2
0
 /// <summary>
 /// Converts the provided amount to its equivalent in the provided currency
 /// </summary>
 /// <param name="originalAmount"></param>
 /// <param name="targetCurrency"></param>
 /// <param name="roundValue"></param>
 /// <returns>MoneyInfo</returns>
 public static MoneyInfo ConvertAmount(MoneyInfo originalAmount, CurrencyInfo targetCurrency, bool roundValue)
 {
     return(ConvertAmount(originalAmount, targetCurrency, DateTime.UtcNow, roundValue, GetCurrencyConversionRatio(originalAmount.Currency, targetCurrency)));
 }
コード例 #3
0
 /// <summary>
 /// Converts the provided amount to its equivalent in the provided currency, and conversion rate
 /// </summary>
 /// <param name="originalAmount"></param>
 /// <param name="targetCurrency"></param>
 /// <param name="currencyConversionRatio"></param>
 /// <returns>MoneyInfo</returns>
 public static MoneyInfo ConvertAmount(MoneyInfo originalAmount, CurrencyInfo targetCurrency, decimal currencyConversionRatio)
 {
     return(ConvertAmount(originalAmount, targetCurrency, DateTime.UtcNow, true, currencyConversionRatio));
 }