public SubscriptionInfo(PublisherFilter publisherFilter, MessageAttributeFilter attributeFilter, bool isIgnoreSubscription)
{
PublisherFilter = publisherFilter;
AttributeFilter = attributeFilter;
IsIgnoreSubscription = isIgnoreSubscription;
}
/// <summary>
/// Adds/Modify/Deletes an existing subscription
/// </summary>
public void Subscribe(PublisherFilter publisherFilter, MessageAttributeFilter attributeFilter, bool isIgnoreSubscription)
{
if (publisherFilter == null)
throw new ArgumentNullException(nameof(publisherFilter));
if (m_disposed)
return;
lock (m_syncRoot)
{
if (m_disposed)
return;
if (m_allSubscriptions == null)
{
if (attributeFilter == null)
return;
m_allSubscriptions = new List<SubscriptionInfo>();
m_allSubscriptions.Add(new SubscriptionInfo(publisherFilter, attributeFilter, isIgnoreSubscription));
}
else
{
for (int x = 0; x < m_allSubscriptions.Count; x++)
{
if (m_allSubscriptions[x].PublisherFilter.ContainsTheSameLogSearchCriteria(publisherFilter))
{
if (attributeFilter == null)
{
m_allSubscriptions.RemoveAt(x);
return;
}
m_allSubscriptions[x].AttributeFilter = attributeFilter;
m_allSubscriptions[x].IsIgnoreSubscription = isIgnoreSubscription;
return;
}
}
if (attributeFilter == null)
return;
m_allSubscriptions.Add(new SubscriptionInfo(publisherFilter, attributeFilter, isIgnoreSubscription));
}
}
m_recalculateRoutingTable();
}
public MessageAttributeFilter GetSubscription(LogPublisherInternal publisher)
{
lock (m_syncRoot)
{
if (m_allSubscriptions == null)
m_allSubscriptions = new List<SubscriptionInfo>();
MessageAttributeFilter filter = new MessageAttributeFilter();
foreach (var subscription in m_allSubscriptions)
{
if (subscription.PublisherFilter.ContainsPublisher(publisher))
{
if (subscription.IsIgnoreSubscription)
{
filter.Remove(subscription.AttributeFilter);
}
else
{
filter.Append(subscription.AttributeFilter);
}
}
}
return filter;
}
}
public void Add(MessageAttributeFilter filter, LogSubscriberInternal subscriber)
{
Routes.Add(Tuple.Create(filter, subscriber.Reference));
Append(filter);
}