Atomix cluster test

Bootstrap.java

import io.atomix.cluster.Node;
import io.atomix.core.Atomix;
import io.atomix.messaging.Endpoint;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import java.io.File;
import java.util.concurrent.CompletableFuture;

/**
 * @author Johno Crawford (johno@sulake.com)
 */
public class Bootstrap {

    private static final Logger logger = LogManager.getLogger(Bootstrap.class);

    private static final Object lock = new Object();

    public static void main(String[] args) throws InterruptedException {
        Node[] bootstrapNodes = new Node[] {Node.builder("server1")
                .withType(Node.Type.DATA)
                .withEndpoint(Endpoint.from("127.0.0.1", 5001))
                .build(),
        Node.builder("server2")
                .withType(Node.Type.DATA)
                .withEndpoint(Endpoint.from("127.0.0.1", 5002))
                .build() };

        Atomix atomix1 = createAtomicNode("server1", 5001, bootstrapNodes);
        Atomix atomix2 = createAtomicNode("server2", 5002, bootstrapNodes);

        CompletableFuture.allOf(atomix1.start(), atomix2.start()).whenCompleteAsync((aVoid, throwable) -> {

        }).join();

        logger.info("server3 joining cluster");

        Atomix atomix3 = createAtomicNode("server3", 5003, bootstrapNodes).start().join();
        for (Node node : atomix3.metadataService().getMetadata().bootstrapNodes()) {
            logger.info("Node id {} state {}", node.id(), node.getState());
        }
        atomix3.stop().join();

        logger.info("server3 left cluster");

        synchronized (lock) {
            lock.wait();
        }
    }

    private static Atomix createAtomicNode(String nodeId, int port, Node[] bootstrapNodes) {
        Atomix.Builder builder = Atomix.builder();
        builder.withLocalNode(Node.builder(nodeId)
                .withType(Node.Type.DATA)
                .withEndpoint(Endpoint.from("127.0.0.1", port))
                .build());

        return builder.withDataDirectory(new File(System.getProperty("user.dir"), "data/" + nodeId)).withBootstrapNodes(bootstrapNodes).build();
    }
}