private static ConsumerExecutorDescriptor InitDescriptor(
TopicAttribute attr,
MethodInfo methodInfo,
TypeInfo implType)
{
var descriptor = new ConsumerExecutorDescriptor
{
Attribute = attr,
MethodInfo = methodInfo,
ImplTypeInfo = implType
};
return(descriptor);
}
/// <summary>
/// Attempts to get the topic executor associated with the specified topic name and group name from the
/// <see cref="Entries" />.
/// </summary>
/// <param name="topicName">The topic name of the value to get.</param>
/// <param name="groupName">The group name of the value to get.</param>
/// <param name="matchTopic">topic executor of the value.</param>
/// <returns>true if the key was found, otherwise false. </returns>
public bool TryGetTopicExecutor(string topicName, string groupName,
out ConsumerExecutorDescriptor matchTopic)
{
if (Entries == null)
{
throw new ArgumentNullException(nameof(Entries));
}
matchTopic = null;
if (Entries.TryGetValue(groupName, out var groupMatchTopics))
{
matchTopic = _selector.SelectBestCandidate(topicName, groupMatchTopics);
return(matchTopic != null);
}
return(false);
}
/// <summary>
/// create a new instance of <see cref="ConsumerContext" /> .
/// </summary>
/// <param name="descriptor">consumer method descriptor. </param>
/// <param name="message"> received message.</param>
public ConsumerContext(ConsumerExecutorDescriptor descriptor, MessageContext message)
{
ConsumerDescriptor = descriptor ?? throw new ArgumentNullException(nameof(descriptor));
DeliverMessage = message ?? throw new ArgumentNullException(nameof(message));
}