public CacheRule CacheRuleForAllPossibleInstancesOfTopic(TopicName aName)
{
TopicsCacheRule rule = new TopicsCacheRule(Federation);
foreach (AbsoluteTopicName possible in aName.AllAbsoluteTopicNamesFor(this))
rule.AddTopic(possible);
CompositeCacheRule answer = new CompositeCacheRule();
answer.Add(rule);
answer.Add(CacheRuleForDefinition); // Add the cache rule for the content base, too, since if that changes there might be a change in imports
return answer;
}
/// <summary>
/// Answer a collection of namespaces in which the topic actually exists
/// </summary>
/// <param name="topic">The topic you want to search for in all namespaces (might be relative, in which case it's relative to this content base)</param>
/// <returns>A list of namespaces (as strings); empty if none</returns>
public IList TopicNamespaces(TopicName topic)
{
ArrayList answer = new ArrayList();
foreach (AbsoluteTopicName each in topic.AllAbsoluteTopicNamesFor(this))
{
if (TopicExists(each))
answer.Add(each.Namespace);
}
return answer;
}
