private void EnumerateIncrementalChanges(FolderChangesManifest changes, IReadOnlyCollection <MessageRec> messageRecs)
{
if (messageRecs.Count == 0)
{
return;
}
foreach (MessageRec messageRec in messageRecs)
{
switch (EasSourceFolder.FindMessageCategory(messageRec))
{
case EasMessageCategory.AddOrUpdate:
case EasMessageCategory.Delete:
changes.ChangedMessages.Add(messageRec);
break;
case EasMessageCategory.ChangeToRead:
changes.ReadMessages.Add(messageRec.EntryId);
break;
case EasMessageCategory.ChangeToUnread:
changes.UnreadMessages.Add(messageRec.EntryId);
break;
}
}
}
ISourceFolder ISourceMailbox.GetFolder(byte[] entryId)
{
MrsTracer.Provider.Function("EasSourceMailbox.GetFolder({0})", new object[]
{
TraceUtils.DumpEntryId(entryId)
});
Add add;
EasFolderBase easFolderBase;
if (base.EasFolderCache.TryGetValue(entryId, out add))
{
easFolderBase = new EasSourceFolder(add, base.EasConnectionWrapper.UserSmtpAddress);
}
else if (EasMailbox.GetStringId(entryId) == EasSyntheticFolder.RootFolder.ServerId)
{
easFolderBase = EasSyntheticFolder.RootFolder;
}
else
{
if (!(EasMailbox.GetStringId(entryId) == EasSyntheticFolder.IpmSubtreeFolder.ServerId))
{
MrsTracer.Provider.Debug("Folder with folderId '{0}' does not exist.", new object[]
{
entryId
});
return(null);
}
easFolderBase = EasSyntheticFolder.IpmSubtreeFolder;
}
return((ISourceFolder)easFolderBase.Configure(this));
}
List <MessageRec> ISourceFolder.EnumerateMessagesPaged(int maxPageSize)
{
SyncContentsManifestState syncContentsManifestState = base.Mailbox.SyncState[base.EntryId];
EasFolderSyncState persistedSyncState = base.Mailbox.GetPersistedSyncState(syncContentsManifestState);
if (string.IsNullOrEmpty(this.nextEnumerateKey))
{
this.nextEnumerateKey = persistedSyncState.CrawlerSyncKey;
}
else
{
persistedSyncState.CrawlerSyncKey = this.nextEnumerateKey;
persistedSyncState.CrawlerDeletions.AddRange(this.pendingDeletes);
syncContentsManifestState.Data = persistedSyncState.Serialize();
}
EasSyncOptions options = new EasSyncOptions
{
SyncKey = this.nextEnumerateKey,
RecentOnly = false,
MaxNumberOfMessage = maxPageSize
};
EasSyncResult easSyncResult = base.SyncMessages(base.Mailbox.CrawlerConnectionWrapper, options);
if (this.estimatedItemCount == 0)
{
options.SyncKey = easSyncResult.SyncKeyRequested;
this.estimatedItemCount = base.GetItemEstimate(base.Mailbox.CrawlerConnectionWrapper, options);
}
if (easSyncResult.MessageRecs.Count == 0)
{
return(null);
}
this.nextEnumerateKey = easSyncResult.NewSyncKey;
List <MessageRec> list = new List <MessageRec>(easSyncResult.MessageRecs.Count);
foreach (MessageRec messageRec in easSyncResult.MessageRecs)
{
if (persistedSyncState.ChangesSynced == null || !(messageRec.CreationTimestamp < persistedSyncState.ChangesSynced.Value) || !(messageRec.CreationTimestamp > persistedSyncState.ChangesSynced.Value - EasRequestGenerator.RecentSyncTimeSpan))
{
if (EasSourceFolder.FindMessageCategory(messageRec) == EasMessageCategory.Delete)
{
this.pendingDeletes.Add(EasMailbox.GetStringId(messageRec.EntryId));
}
else
{
list.Add(messageRec);
}
}
}
return(list);
}
