GetTopicMetadataFromLocalCache() public method

Returns Topic metadata for each topic requested.
The topic metadata will by default check the cache first and then if it does not exist it will then request metadata from the server. To force querying the metadata from the server use RefreshTopicMetadata
Thrown if the topic metadata does not exist in the cache.
public GetTopicMetadataFromLocalCache ( ) : List
return List
BrokerRouter Class Documentation
Example #1
0
        public async Task BrokerRouterUsesFactoryToAddNewBrokers()
        {
            var router = new BrokerRouter(new KafkaOptions
            {
                KafkaServerUri = new List<Uri> { new Uri("http://localhost:1") },
                KafkaConnectionFactory = _mockKafkaConnectionFactory.Object
            });

            _mockKafkaConnection1.Setup(x => x.SendAsync(It.IsAny<IKafkaRequest<MetadataResponse>>()))
                      .Returns(() => Task.Run(async () => new List<MetadataResponse> { await BrokerRouterProxy.CreateMetadataResponseWithMultipleBrokers() }));
            await router.RefreshMissingTopicMetadata(TestTopic);
            var topics = router.GetTopicMetadataFromLocalCache(TestTopic);
            _mockKafkaConnectionFactory.Verify(x => x.Create(It.Is<KafkaEndpoint>(e => e.Endpoint.Port == 2), It.IsAny<TimeSpan>(), It.IsAny<IKafkaLog>(), It.IsAny<int>(), It.IsAny<TimeSpan?>(), It.IsAny<StatisticsTrackerOptions>()), Times.Once());
        }