//Reads the durable instance context id from the incoming
//messages.
protected string ReadContextId(Message message)
{
IContextManager contextManager =
ContextManagerFactory.CreateContextManager(contextType,
this.contextStoreLocation,
this.endpointAddress);
string contextId = contextManager.ReadContext(message);
if (contextId == null)
{
throw new CommunicationException(
ResourceHelper.GetString("ExContextNotFound"));
}
// Add the context id to the properties collection of the Message.
// This way we can pass the context id to the service model layer in a
// consistent manner regardless of the context type.
message.Properties.Add(DurableInstanceContextUtility.ContextIdProperty, contextId);
return(contextId);
}
object IInstanceProvider.GetInstance(InstanceContext instanceContext, Message message)
{
object obj = null;
lock (poolLock)
{
if (pool.Count > 0)
{
obj = pool.Pop();
}
else
{
obj = CreateNewPoolObject();
}
activeObjectsCount++;
}
WritePoolMessage(ResourceHelper.GetString("MsgNewObject"));
idleTimer.Stop();
return(obj);
}
/// <summary>
/// Clean up procedure.
/// </summary>
void idleTimer_Elapsed(object sender, ElapsedEventArgs args)
{
idleTimer.Stop();
lock (poolLock)
{
if (activeObjectsCount == 0)
{
// Remove the surplus objects.
if (pool.Count > minPoolSize)
{
while (pool.Count != minPoolSize)
{
#if (DEBUG)
WritePoolMessage(
ResourceHelper.GetString("MsgObjectRemoving"));
#endif
object removedItem = pool.Pop();
if (removedItem is IDisposable)
{
((IDisposable)removedItem).Dispose();
}
}
}
else if (pool.Count < minPoolSize)
{
// Reinitialize the missing objects.
while (pool.Count != minPoolSize)
{
pool.Push(CreateNewPoolObject());
}
}
}
}
}