/// <summary>Finds a a Holiday record using a configuration and an external identifier.</summary>
/// <param name="configurationId">Specified which mappings (user id columns) to use when looking up external identifiers.</param>
/// <param name="parameterId">The name of the parameter as specified in the configuration table.</param>
/// <param name="externalId">The external (user supplied) identifier for the record.</param>
public static int FindKey(object configurationId, string parameterId, object externalId)
{
// A missing key will never match a column.
if ((externalId == null))
{
return int.MinValue;
}
// Accessor for the Holiday Table.
ServerMarketData.HolidayDataTable holidayTable = ServerMarketData.Holiday;
// Look for the record using the external identifier. The configuration selected the key to use, which effectively
// selected the external id column to use for the search. If a record is found in the view, a translation still needs
// to be made back to the original table before an index to the record can be returned to the caller.
int externalKeyIndex = Holiday.GetExternalKeyIndex(configurationId, parameterId);
System.Data.DataView externalKeyView = Holiday.externalKeyArray[externalKeyIndex];
int recordIndex = externalKeyView.Find(new object[] {
externalId});
if ((recordIndex == -1))
{
return int.MinValue;
}
return ((int)(externalKeyView[recordIndex].Row[holidayTable.HolidayIdColumn]));
}
/// <summary>Archives a Holiday record using Metadata Parameters.</summary>
/// <param name="transaction">Contains the parameters and exceptions for this command.</param>
public static void Archive(ParameterList parameters)
{
// Accessor for the Holiday Table.
ServerMarketData.HolidayDataTable holidayTable = ServerMarketData.Holiday;
// Extract the parameters from the command batch.
AdoTransaction adoTransaction = parameters["adoTransaction"];
SqlTransaction sqlTransaction = parameters["sqlTransaction"];
object configurationId = parameters["configurationId"].Value;
string externalHolidayId = parameters["holidayId"];
// The row versioning is largely disabled for external operations.
long rowVersion = long.MinValue;
// Find the internal identifier using the primar key elements.
// identifier is used to determine if a record exists with the same key.
int holidayId = Holiday.FindRequiredKey(configurationId, "holidayId", externalHolidayId);
// While the optimistic concurrency checking is disabled for the external methods, the internal methods
// still need to perform the check. This ncurrency checking logic by finding the current row version to be
// will bypass the coused when the internal method is called.
ServerMarketData.HolidayRow holidayRow = holidayTable.FindByHolidayId(holidayId);
rowVersion = ((long)(holidayRow[holidayTable.RowVersionColumn]));
// Call the internal method to complete the operation.
MarkThree.Guardian.Core.Holiday.Archive(adoTransaction, sqlTransaction, rowVersion, holidayId);
}