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 GetCount(IConfigurationSession configSession, OrganizationId organizationId, string systemAddressListName, int countQuota, bool useCache)
{
Organization organization = configSession.GetOrgContainer();
if (organization == null || !object.Equals(organization.Identity, organizationId.ConfigurationUnit))
{
organization = configSession.Read <ExchangeConfigurationUnit>(organizationId.ConfigurationUnit);
if (organization == null)
{
throw new TenantOrgContainerNotFoundException(organizationId.ToString());
}
}
if (!organization.IsAddressListPagingEnabled)
{
return(SystemAddressListMemberCount.GetBruteForceCountImmediate(configSession.DomainController, organizationId, systemAddressListName, countQuota));
}
if (useCache)
{
return(SystemAddressListMemberCount.GetCountFromCache(configSession, organizationId, systemAddressListName, countQuota));
}
return(SystemAddressListMemberCount.GetCountImmediate(configSession, organizationId, systemAddressListName));
}
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);
}
internal static bool IsQuotaExceded(IConfigurationSession configSession, OrganizationId organizationId, string systemAddressListName, int countQuota)
{
int count = SystemAddressListMemberCount.GetCount(configSession, organizationId, systemAddressListName, countQuota, true);
return(count >= countQuota);
}
internal static int GetCount(IConfigurationSession configSession, OrganizationId organizationId, string systemAddressListName, bool useCache)
{
return(SystemAddressListMemberCount.GetCount(configSession, organizationId, systemAddressListName, int.MaxValue, useCache));
}