public override int BinarySearchItem(
IndexDataItem searchItem,
bool isTagPrimarySort,
string sortFieldName,
List <SortOrder> sortOrderList,
List <string> localIdentityTagNames)
{
try
{
int searchIndex = -1;
if (ResultItemList != null && ResultItemList.Count > 0)
{
IndexDataItemComparer comparer = new IndexDataItemComparer(isTagPrimarySort, sortFieldName, sortOrderList);
searchIndex = ResultItemList.BinarySearch(searchItem, comparer);
//Look for localIdentity at searchIndex
if (searchIndex > -1 && localIdentityTagNames.Count > 0)
{
if (EqualsLocalId(ResultItemList[searchIndex], searchItem, localIdentityTagNames))
{
return(searchIndex);
}
//Search to left of the searchIndex
int newIndex = searchIndex - 1;
while (newIndex > -1 && comparer.Compare(ResultItemList[newIndex], searchItem) == 0)
{
if (EqualsLocalId(ResultItemList[newIndex], searchItem, localIdentityTagNames))
{
return(newIndex);
}
newIndex--;
}
//Search to right of index
newIndex = searchIndex + 1;
while (newIndex < Count && comparer.Compare(ResultItemList[newIndex], searchItem) == 0)
{
if (EqualsLocalId(ResultItemList[newIndex], searchItem, localIdentityTagNames))
{
return(newIndex);
}
newIndex++;
}
return(-1);
}
}
return(searchIndex);
}
catch (Exception ex)
{
throw new Exception("Error in Binary Search", ex);
}
}
public override int BinarySearchItem(
IndexDataItem searchItem,
bool isTagPrimarySort,
string sortFieldName,
List <SortOrder> sortOrderList,
List <string> localIdentityTagNames)
{
if (ResultItemList != null)
{
IndexDataItemComparer comparer = new IndexDataItemComparer(isTagPrimarySort, sortFieldName, sortOrderList);
return(ResultItemList.BinarySearch(searchItem, comparer));
}
return(-1);
}