/// <summary>
/// Compose the topic name from namespace + topic.
/// </summary>
/// <param name="domain"> </param>
/// <param name="topic">
/// @return </param>
internal string GetTopicName(TopicDomain domain, string topic)
{
try
{
Condition.CheckNotNull(domain);
NamedEntity.CheckName(topic);
return($"{domain.ToString()}://{_namespace}/{topic}");
}
catch (NullReferenceException e)
{
throw new ArgumentException("Null pointer is invalid as domain for topic.", e);
}
}
private TopicName(string completeTopicName)
{
try
{
// The topic name can be in two different forms, one is fully qualified topic name,
// the other one is short topic name
if (!completeTopicName.Contains("://"))
{
// The short topic name can be:
// - <topic>
// - <property>/<namespace>/<topic>
var prts = completeTopicName.Split('/');
if (prts.Length == 3)
{
completeTopicName = TopicDomain.Persistent.Value() + "://" + completeTopicName;
}
else if (prts.Length == 1)
{
completeTopicName = TopicDomain.Persistent.Value() + "://" + PublicTenant + "/" + DefaultNamespace + "/" + prts[0];
}
else
{
throw new ArgumentException("Invalid short topic name '" + completeTopicName + "', it should be in the format of " + "<tenant>/<namespace>/<topic> or <topic>");
}
}
// The fully qualified topic name can be in two different forms:
// new: persistent://tenant/namespace/topic
// legacy: persistent://tenant/cluster/namespace/topic
IList <string> parts = completeTopicName.Split("://").Take(2).ToList();
_domain = TopicDomain.GetEnum(parts[0]);
string rest = parts[1];
// The rest of the name can be in different forms:
// new: tenant/namespace/<localName>
// legacy: tenant/cluster/namespace/<localName>
// Examples of localName:
// 1. some/name/xyz//
// 2. /xyz-123/feeder-2
parts = rest.Split("/").Take(4).ToList();
if (parts.Count == 3)
{
// New topic name without cluster name
_tenant = parts[0];
_cluster = null;
_namespacePortion = parts[1];
_localName = parts[2];
_partitionIndex = GetPartitionIndex(completeTopicName);
_namespaceName = NamespaceName.Get(_tenant, _namespacePortion);
}
else if (parts.Count == 4)
{
// Legacy topic name that includes cluster name
_tenant = parts[0];
_cluster = parts[1];
_namespacePortion = parts[2];
_localName = parts[3];
_partitionIndex = GetPartitionIndex(completeTopicName);
_namespaceName = NamespaceName.Get(_tenant, _cluster, _namespacePortion);
}
else
{
throw new ArgumentException("Invalid topic name: " + completeTopicName);
}
if (ReferenceEquals(_localName, null) || _localName.Length == 0)
{
throw new ArgumentException("Invalid topic name: " + completeTopicName);
}
}
catch (NullReferenceException e)
{
throw new ArgumentException("Invalid topic name: " + completeTopicName, e);
}
if (V2)
{
_completeTopicName = $"{_domain}://{_tenant}/{_namespacePortion}/{_localName}";
}
else
{
_completeTopicName = $"{_domain}://{_tenant}/{_cluster}/{_namespacePortion}/{_localName}";
}
}