public OABCache.OABCacheEntry GetOABFromCacheOrAD(Guid exchangeObjectId, string userAcceptedDomain)
{
OABCache.OABCacheEntry oabcacheEntry = null;
if (this.oabTimeoutCache.TryGetValue(exchangeObjectId, out oabcacheEntry))
{
return(oabcacheEntry);
}
IConfigurationSession configurationSessionFromDomain = DirectoryHelper.GetConfigurationSessionFromDomain(userAcceptedDomain);
OfflineAddressBook offlineAddressBook = configurationSessionFromDomain.FindByExchangeObjectId <OfflineAddressBook>(exchangeObjectId);
if (offlineAddressBook == null)
{
throw new ADNoSuchObjectException(new LocalizedString(exchangeObjectId.ToString()));
}
oabcacheEntry = new OABCache.OABCacheEntry(offlineAddressBook);
this.oabTimeoutCache.TryInsertAbsolute(exchangeObjectId, oabcacheEntry, OABCache.cacheTimeToLive.Value);
return(oabcacheEntry);
}