public SqlParameter[] ModifyParameters(IEntity entity)
{
SqlParameter[] specificParameters = new SqlParameter[0];
SqlParameter[] nullParameters = new SqlParameter[0];
string typeName = "";
if (entity is PromoDay)
{
specificParameters = promoDayMapping.ModifyParameters(entity);
nullParameters = NullParametersFor(discountUntilExpiredMapping.Columns);
typeName = typeof(PromoDay).Name;
}
else if (entity is DiscountUntilExpired)
{
specificParameters = discountUntilExpiredMapping.ModifyParameters(entity);
nullParameters = NullParametersFor(promoDayMapping.Columns);
typeName = typeof(DiscountUntilExpired).Name;
}
return specificParameters.Concat(nullParameters)
.Concat(new[]
{
new SqlParameter("DiscountPercentage",
((DiscountPolicyBase) entity).DiscountPercentage.Value),
new SqlParameter("Discriminator", typeName)
})
.ToArray();
}
