private IMessageConsumer GetCachedConsumer(Destination destination, string selector, bool noLocal, string subscription)
{
object cacheKey = new ConsumerCacheKey(destination, selector, noLocal, null);
IMessageConsumer consumer = (IMessageConsumer)cachedConsumers[cacheKey];
if (consumer != null)
{
if (LOG.IsDebugEnabled)
{
LOG.Debug("Found cached EMS MessageConsumer for destination [" + destination + "]: " + consumer);
}
}
else
{
if (destination is Topic)
{
consumer = (subscription != null
? target.CreateDurableSubscriber((Topic)destination, subscription, selector, noLocal)
: target.CreateConsumer(destination, selector, noLocal));
}
else
{
consumer = target.CreateConsumer(destination, selector);
}
if (LOG.IsDebugEnabled)
{
LOG.Debug("Creating cached EMS MessageConsumer for destination [" + destination + "]: " + consumer);
}
cachedConsumers[cacheKey] = consumer;
}
return(new CachedMessageConsumer(consumer));
}
private void LogicalClose()
{
// Preserve rollback-on-close semantics.
if (this.transactionOpen && this.target.Transacted)
{
this.transactionOpen = false;
this.target.Rollback();
}
// Physically close durable subscribers at time of Session close call.
IList ToRemove = new ArrayList();
foreach (DictionaryEntry dictionaryEntry in cachedConsumers)
{
ConsumerCacheKey key = (ConsumerCacheKey)dictionaryEntry.Key;
if (key.Subscription != null)
{
((IMessageConsumer)dictionaryEntry.Value).Close();
ToRemove.Add(key);
}
}
foreach (ConsumerCacheKey key in ToRemove)
{
cachedConsumers.Remove(key);
}
// Allow for multiple close calls...
if (!sessionList.Contains(this))
{
#region Logging
if (LOG.IsDebugEnabled)
{
LOG.Debug("Returning cached Session: " + target);
}
#endregion
sessionList.Add(this); //add to end of linked list.
}
}
protected bool Equals(ConsumerCacheKey consumerCacheKey)
{
if (consumerCacheKey == null)
{
return(false);
}
if (!Equals(destination, consumerCacheKey.destination))
{
return(false);
}
if (!ObjectUtils.NullSafeEquals(selector, consumerCacheKey.selector))
{
return(false);
}
if (!Equals(noLocal, consumerCacheKey.noLocal))
{
return(false);
}
if (!ObjectUtils.NullSafeEquals(subscription, consumerCacheKey.subscription))
{
return(false);
}
return(true);
}
protected bool Equals(ConsumerCacheKey consumerCacheKey)
{
if (consumerCacheKey == null) return false;
if (!Equals(destination, consumerCacheKey.destination)) return false;
if (!ObjectUtils.NullSafeEquals(selector, consumerCacheKey.selector)) return false;
if (!Equals(noLocal, consumerCacheKey.noLocal)) return false;
if (!ObjectUtils.NullSafeEquals(subscription, consumerCacheKey.subscription)) return false;
return true;
}
private IMessageConsumer GetCachedConsumer(Destination destination, string selector, bool noLocal, string subscription)
{
object cacheKey = new ConsumerCacheKey(destination, selector, noLocal, null);
IMessageConsumer consumer = (IMessageConsumer)cachedConsumers[cacheKey];
if (consumer != null)
{
if (LOG.IsDebugEnabled)
{
LOG.Debug("Found cached EMS MessageConsumer for destination [" + destination + "]: " + consumer);
}
}
else
{
if (destination is Topic)
{
consumer = (subscription != null
? target.CreateDurableSubscriber((Topic)destination, subscription, selector, noLocal)
: target.CreateConsumer(destination, selector, noLocal));
}
else
{
consumer = target.CreateConsumer(destination, selector);
}
if (LOG.IsDebugEnabled)
{
LOG.Debug("Creating cached EMS MessageConsumer for destination [" + destination + "]: " + consumer);
}
cachedConsumers[cacheKey] = consumer;
}
return new CachedMessageConsumer(consumer);
}
