/// <summary>
/// Gets a thread-specific algorithm instance.
/// </summary>
/// <returns></returns>
public UserIdMappingAlgorithm GetAlgorithm()
{
UserIdMappingAlgorithm algorithm = null;
int threadId = Thread.CurrentThread.ManagedThreadId;
lock (m_perThreadMappingAlgPoolLock)
{
if (m_perThreadMappingAlgPool.ContainsKey(threadId))
{
// an algorithm instance is available for re-use in the current thread
algorithm = m_perThreadMappingAlgPool[threadId];
}
}
if (algorithm == null)
{
lock (m_baseMappingAlgorithmLock)
{
// create a new algorithm instance for this thread
algorithm = new UserIdMappingAlgorithm(m_baseMappingAlgorithm);
}
lock (m_perThreadMappingAlgPoolLock)
{
// add the new instance to the pool for re-use
m_perThreadMappingAlgPool.Add(threadId, algorithm);
}
}
return(algorithm);
}
/// <summary>
/// Copy constructor.
/// </summary>
/// <param name="cpy"></param>
public UserIdMappingAlgorithm(
UserIdMappingAlgorithm cpy)
{
lock (cpy.m_configBackupLock)
{
Initialize(cpy.m_userIdentityMappings, cpy.m_sessions);
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="userIdentityMappingsConfig"></param>
public UserIdMappingAlgorithmPool(
UserIdentityMappings userIdentityMappingsConfig,
NotifyingCollection <Session> sessions)
{
m_baseMappingAlgorithm = new UserIdMappingAlgorithm(userIdentityMappingsConfig, sessions);
}