Reliable Topic statistics are not updated when Java client is used

[alparslanavci]

When Reliable Topic operations are performed from Java client, the Reliable Topic statistics are not updated. The following test fails:

@Test
public void publishSingle(){
    String name = "testTopic";
    ITopic topic = client.getReliableTopic(name);

    final String msg = "foobar";
    topic.publish(msg);

    assertEquals(1, hazelcastInstance.getReliableTopic(name)
            .getLocalTopicStats().getPublishOperationCount());
}

[alparslanavci]

This behaviour might be intentional, since the LocalTopicStats are local to the member and receivedCount and publishedCount are local stats for the client when the operations are performed from the client.

However, this also affects Management Center Topic stats, because the LocalTopicStats are merged from all cluster members on Management Center and displayed as all cumulative stats for the topic. Thus, client operations are not reflected on Management Center Topic tab.

[sancar]

This is tricky to solve because ClientReliableTopic is not using any topic-specific message task when communicating with the server. ClientReliableTopic is an implementation on the ring buffer.

[promanenko]

Fixed by #19642
in scope of a duplicate issue #19555