internal int Compare(ObjectCommandPropertyValue first, ObjectCommandPropertyValue second)
{
if (first.IsExistingProperty && second.IsExistingProperty)
{
return(Compare(first.PropertyValue, second.PropertyValue));
}
// if first.IsExistingProperty, !second.IsExistingProperty; otherwise the
// first branch if would return. Regardless of key orders non existing property
// will be considered greater than others
if (first.IsExistingProperty)
{
return(-1);
}
// vice versa for the previous branch
if (second.IsExistingProperty)
{
return(1);
}
// both are nonexisting
return(0);
}
public int Compare(OrderByPropertyEntry firstEntry, OrderByPropertyEntry secondEntry)
{
// we have to take into consideration that some vectors
// might be shorter than others
int order = 0;
for (int k = 0; k < _propertyComparers.Length; k++)
{
ObjectCommandPropertyValue firstValue = (k < firstEntry.orderValues.Count) ?
firstEntry.orderValues[k] : ObjectCommandPropertyValue.NonExistingProperty;
ObjectCommandPropertyValue secondValue = (k < secondEntry.orderValues.Count) ?
secondEntry.orderValues[k] : ObjectCommandPropertyValue.NonExistingProperty;
order = _propertyComparers[k].Compare(firstValue, secondValue);
if (order != 0)
{
return(order);
}
}
return(order);
}
