chia7712 commented on code in PR #15946: URL: https://github.com/apache/kafka/pull/15946#discussion_r1602875475
########## core/src/test/java/kafka/test/junit/RaftClusterInvocationContext.java: ########## @@ -284,24 +259,59 @@ public void startBroker(int brokerId) { @Override public void waitForReadyBrokers() throws InterruptedException { try { - clusterReference.get().waitForReadyBrokers(); + clusterTestKit.waitForReadyBrokers(); } catch (ExecutionException e) { throw new AssertionError("Failed while waiting for brokers to become ready", e); } } - private BrokerServer findBrokerOrThrow(int brokerId) { - return Optional.ofNullable(clusterReference.get().brokers().get(brokerId)) - .orElseThrow(() -> new IllegalArgumentException("Unknown brokerId " + brokerId)); - } - public Stream<BrokerServer> brokers() { - return clusterReference.get().brokers().values().stream(); + return clusterTestKit.brokers().values().stream(); } public Stream<ControllerServer> controllers() { - return clusterReference.get().controllers().values().stream(); + return clusterTestKit.controllers().values().stream(); + } + + public void format() throws Exception { + safeBuildCluster(); + this.clusterTestKit.format(); } + private BrokerServer findBrokerOrThrow(int brokerId) { + return Optional.ofNullable(clusterTestKit.brokers().get(brokerId)) + .orElseThrow(() -> new IllegalArgumentException("Unknown brokerId " + brokerId)); + } + + private void safeBuildCluster() throws Exception { + if (this.clusterTestKit != null) { + return; + } + synchronized (this) { Review Comment: I don't think we need to sync, as it won't be called concurrent. ########## core/src/test/java/kafka/test/junit/RaftClusterInvocationContext.java: ########## @@ -284,24 +259,59 @@ public void startBroker(int brokerId) { @Override public void waitForReadyBrokers() throws InterruptedException { try { - clusterReference.get().waitForReadyBrokers(); + clusterTestKit.waitForReadyBrokers(); } catch (ExecutionException e) { throw new AssertionError("Failed while waiting for brokers to become ready", e); } } - private BrokerServer findBrokerOrThrow(int brokerId) { - return Optional.ofNullable(clusterReference.get().brokers().get(brokerId)) - .orElseThrow(() -> new IllegalArgumentException("Unknown brokerId " + brokerId)); - } - public Stream<BrokerServer> brokers() { - return clusterReference.get().brokers().values().stream(); + return clusterTestKit.brokers().values().stream(); } public Stream<ControllerServer> controllers() { - return clusterReference.get().controllers().values().stream(); + return clusterTestKit.controllers().values().stream(); + } + + public void format() throws Exception { Review Comment: This method is not idempotent, so user can re-format it if they call `format` and then `start` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org