protected ChangeNotifierBase(IConfiguration config) { var protocol = Settings.AMQP_PROTOCOL(config); var policyName = Settings.AMQP_POLICY_NAME(config); var policyKey = Settings.AMQP_POLICY_KEY(config); var namespaceUrl = Settings.AMQP_NAMESPACE_URL(config); var connStr = $"{protocol}://{policyName}:{policyKey}@{namespaceUrl}/"; _address = new Address(connStr); _ttlMins = Settings.AMQP_TTL_MINS(config); _topicPrefix = Settings.AMQP_TOPIC_PREFIX(config); }