private static int GetCountImmediate(IConfigurationSession session, OrganizationId orgId, string systemAddressListName)
{
AddressBookBase systemAddressList = SystemAddressListMemberCount.ReadSystemAddressListFromAD(session, orgId, systemAddressListName);
SystemAddressListMemberCountCacheValue systemAddressListMemberCountCacheValue = new SystemAddressListMemberCountCacheValue(systemAddressList);
return(systemAddressListMemberCountCacheValue.GetMemberCountImmediate(session));
}
private static int GetCountFromCache(IConfigurationSession session, OrganizationId orgId, string systemAddressListName, int quota)
{
int?num = null;
SystemAddressListMemberCountCacheKey key = new SystemAddressListMemberCountCacheKey(orgId, systemAddressListName);
SystemAddressListMemberCountCacheValue systemAddressListMemberCountCacheValue = null;
try
{
if (!SystemAddressListMemberCount.cachedAddressListLock.TryEnterReadLock(SystemAddressListMemberCount.readerLockTimeout))
{
throw new TransientException(DirectoryStrings.ErrorTimeoutReadingSystemAddressListCache);
}
SystemAddressListMemberCount.memberCountCache.TryGetValue(key, out systemAddressListMemberCountCacheValue);
}
finally
{
try
{
SystemAddressListMemberCount.cachedAddressListLock.ExitReadLock();
}
catch (SynchronizationLockException)
{
}
}
if (systemAddressListMemberCountCacheValue == null)
{
try
{
if (!SystemAddressListMemberCount.cachedAddressListLock.TryEnterUpgradeableReadLock(SystemAddressListMemberCount.readerLockTimeout))
{
throw new TransientException(DirectoryStrings.ErrorTimeoutReadingSystemAddressListCache);
}
if (!SystemAddressListMemberCount.memberCountCache.TryGetValue(key, out systemAddressListMemberCountCacheValue))
{
AddressBookBase systemAddressList = SystemAddressListMemberCount.ReadSystemAddressListFromAD(session, orgId, systemAddressListName);
systemAddressListMemberCountCacheValue = new SystemAddressListMemberCountCacheValue(systemAddressList);
num = new int?(systemAddressListMemberCountCacheValue.InitializeMemberCount(session, ExDateTime.UtcNow, quota));
if (!SystemAddressListMemberCount.cachedAddressListLock.TryEnterWriteLock(SystemAddressListMemberCount.writerLockTimeout))
{
throw new TransientException(DirectoryStrings.ErrorTimeoutWritingSystemAddressListCache);
}
try
{
SystemAddressListMemberCount.memberCountCache.Add(key, systemAddressListMemberCountCacheValue);
}
finally
{
SystemAddressListMemberCount.cachedAddressListLock.ExitWriteLock();
}
}
}
finally
{
try
{
SystemAddressListMemberCount.cachedAddressListLock.ExitUpgradeableReadLock();
}
catch (SynchronizationLockException)
{
}
}
}
if (num == null)
{
num = new int?(systemAddressListMemberCountCacheValue.GetMemberCount(session, ExDateTime.UtcNow, quota));
}
return(num.Value);
}