public override CompareResultBase Compare(object source, object destination, string propertyName)
{
var res = new KeyEnumerableResult(Type, propertyName, source, destination);
if (!res.IsComparable)
{
return(res);
}
Hashtable sourceMap = ToMap((IEnumerable)source);
Hashtable destionationMap = ToMap((IEnumerable)destination);
var sourceIsEmpty = sourceMap.Count == 0;
var destionationIsEmpty = destionationMap.Count == 0;
if (sourceIsEmpty && destionationIsEmpty)
{
res.IsEquals = true;
return(res);
}
if (sourceIsEmpty || destionationIsEmpty)
{
res.IsEquals = false;
return(res);
}
CompareMap(sourceMap, destionationMap, res);
return(res);
}
private void CompareMap(Hashtable sourceMap, Hashtable destionationMap, KeyEnumerableResult res)
{
foreach (var key in sourceMap.Keys)
{
var d = destionationMap[key];
var s = sourceMap[key];
if (d == null)
{
if (Configuration.TrackDifference)
{
var objectResult = Configuration.GetComparer(_dataType).Compare(s, null, null);
var dictionaryEntryResult = new DictionaryEntryResult(ResultType.New, objectResult);
res.Add(key.ToString(), dictionaryEntryResult);
}
res.IsEquals = false;
if (!Configuration.TrackDifference)
{
return;
}
}
else
{
var objectResult = Configuration.GetComparer(_dataType).Compare(s, d);
if (!objectResult.IsEquals)
{
res.IsEquals = false;
if (!Configuration.TrackDifference)
{
return;
}
}
if (Configuration.TrackDifference)
{
var dictionaryEntryResult = new DictionaryEntryResult(objectResult.IsEquals ? ResultType.Equal : ResultType.NotEqual, objectResult);
res.Add(key.ToString(), dictionaryEntryResult);
}
}
}
// Exists Only in Destination
foreach (var key in destionationMap.Keys)
{
if (sourceMap.ContainsKey(key))
{
continue;
}
if (Configuration.TrackDifference)
{
var d = destionationMap[key];
var objectResult = Configuration.GetComparer(_dataType).Compare(null, d);
var dictionaryEntryResult = new DictionaryEntryResult(ResultType.Delete, objectResult);
res.Add(key.ToString(), dictionaryEntryResult);
}
res.IsEquals = false;
if (!Configuration.TrackDifference)
{
return;
}
}
}