generateUniqueReference.xpp

private static str lastUniqueReference;

/// <summary>
/// Get a unique numerical reference
/// </summary>
/// <returns>Unique numerical reference</returns>
public static str getUniqueReference()
{
    str nextUniqueReference;
    int retryCount = 0;

    do 
    {
        System.DateTime d = System.DateTime::UtcNow;
        int64 t = d.Ticks;

        nextUniqueReference = strFmt('%1', t);

        retryCount++;
    } 
    while ((nextUniqueReference == lastUniqueReference) && (retryCount < 5));

    if (retryCount >= 5)
    {
        warning ('Retry count exceeded in LNTestDataHelper::getUniqueReference');
    }

    lastUniqueReference = nextUniqueReference;

    return nextUniqueReference;
}