public int CompareTo(CrawlerItemIterator <TSort> .SortKey other)
{
TSort tsort = this.value;
int num = tsort.CompareTo(other.value);
if (num == 0)
{
num = this.documentId.CompareTo(other.documentId);
}
if (num == 0)
{
num = this.folderId.CompareTo(other.folderId);
}
if (!this.isAscending)
{
num = -num;
}
return(num);
}
public IEnumerable <MdbCompositeItemIdentity> GetItems(MailboxSession session, TSort intervalStart, TSort intervalStop)
{
Util.ThrowOnNullArgument(session, "session");
List <CrawlerItemIterator <TSort> .QueryResultWrapper> resultsToDispose = new List <CrawlerItemIterator <TSort> .QueryResultWrapper>();
SortedList <CrawlerItemIterator <TSort> .SortKey, CrawlerItemIterator <TSort> .QueryResultWrapper> mergeList = new SortedList <CrawlerItemIterator <TSort> .SortKey, CrawlerItemIterator <TSort> .QueryResultWrapper>();
try
{
using (IEnumerator <StoreObjectId> enumerator = this.folderIterator.GetFolders(session).GetEnumerator())
{
while (enumerator.MoveNext())
{
StoreObjectId folderId = enumerator.Current;
CrawlerItemIterator <TSort> .QueryResultWrapper queryResultWrapper = new CrawlerItemIterator <TSort> .QueryResultWrapper(this.diagnosticsSession, session, folderId, this.sortProperty, intervalStart, intervalStop, this.filterPredicate, this.predicateProperties, this.maxRowCount);
resultsToDispose.Add(queryResultWrapper);
queryResultWrapper.CanCacheQueryResult = (50 < mergeList.Count);
if (queryResultWrapper.MoveNext())
{
mergeList.Add(queryResultWrapper.CurrentValue, queryResultWrapper);
}
}
goto IL_217;
}
IL_11D:
int cacheCounter = 0;
using (IEnumerator <CrawlerItemIterator <TSort> .QueryResultWrapper> enumerator2 = mergeList.Values.GetEnumerator())
{
if (enumerator2.MoveNext())
{
CrawlerItemIterator <TSort> .QueryResultWrapper result = enumerator2.Current;
yield return(result.CurrentIdentity);
mergeList.RemoveAt(0);
if (result.MoveNext())
{
mergeList.Add(result.CurrentValue, result);
if (cacheCounter > 0 && !result.CanCacheQueryResult)
{
result.CanCacheQueryResult = true;
cacheCounter--;
}
}
else if (result.CanCacheQueryResult)
{
cacheCounter++;
}
}
}
IL_217:
if (mergeList.Count > 0)
{
goto IL_11D;
}
}
finally
{
foreach (CrawlerItemIterator <TSort> .QueryResultWrapper queryResultWrapper2 in resultsToDispose)
{
queryResultWrapper2.Dispose();
}
resultsToDispose.Clear();
}
yield break;
}
