private bool EnsureMapiManifest(MailboxSyncWatermark minWatermark, int numOperations, Dictionary <ISyncItemId, ServerManifestEntry> newServerManifest)
{
MemoryStream memoryStream = null;
MapiFolder mapiFolder = this.folder.MapiFolder;
if (this.manifest != null)
{
if (MailboxSyncProvider.IcsStateEquals(this.icsState, minWatermark.IcsState))
{
if (this.extraServerManifestEntry != null)
{
if (numOperations == 0)
{
return(true);
}
newServerManifest.Add(this.extraServerManifestEntry.Id, this.extraServerManifestEntry);
if (this.extraServerManifestEntry.Watermark != null)
{
minWatermark.ChangeNumber = ((MailboxSyncWatermark)this.extraServerManifestEntry.Watermark).ChangeNumber;
}
this.SyncLogger.Information <ISyncItemId>(ExTraceGlobals.SyncProcessTracer, (long)this.GetHashCode(), "MailboxSyncProvider::EnsureMapiManifest Adding cached change, id = {0}", this.extraServerManifestEntry.Id);
this.extraServerManifestEntry = null;
}
this.icsCallback.Bind(minWatermark, numOperations, newServerManifest);
this.SyncLogger.Information <int, int>(ExTraceGlobals.SyncProcessTracer, (long)this.GetHashCode(), "MailboxSyncProvider::EnsureMapiManifest Reusing ICS manifest, numOperations = {0}, newServerManifest.Count = {1}", numOperations, newServerManifest.Count);
return(false);
}
this.manifest.Dispose();
this.manifest = null;
this.SyncLogger.Information <int, int>(ExTraceGlobals.SyncProcessTracer, (long)this.GetHashCode(), "MailboxSyncProvider::EnsureMapiManifest Tossed old ICS manifest, numOperations = {0}, newServerManifest.Count = {1}", numOperations, newServerManifest.Count);
}
try
{
memoryStream = ((minWatermark.IcsState == null) ? new MemoryStream() : new MemoryStream(minWatermark.IcsState));
this.manifest = mapiFolder.CreateExportManifest();
this.icsCallback = new IcsCallback(this, newServerManifest, numOperations, minWatermark);
Restriction restriction = (this.icsPropertyGroupFilter == null) ? null : FilterRestrictionConverter.CreateRestriction(this.folder.Session, this.folder.Session.ExTimeZone, this.folder.MapiFolder, this.icsPropertyGroupFilter);
this.manifest.Configure(this.GetConfigFlags(), restriction, memoryStream, this.icsCallback, IcsCallback.PropTags);
this.SyncLogger.Information <int, int>(ExTraceGlobals.SyncProcessTracer, (long)this.GetHashCode(), "MailboxSyncProvider::EnsureMapiManifest Created new ICS manifest, numOperations = {0}, newServerManifest.Count = {1}", numOperations, newServerManifest.Count);
}
finally
{
Util.DisposeIfPresent(memoryStream);
}
return(false);
}
