Examples with MemberId io.atomix.cluster.MemberId used on opensource projects

Example 11 with MemberId

use of io.atomix.cluster.MemberId in project atomix by atomix.

the class AntiEntropyMapDelegate method handleUpdateRequests.

private void handleUpdateRequests(UpdateRequest<String> request) {
    final Set<String> keys = request.keys();
    final MemberId sender = request.sender();
    final List<MemberId> peers = ImmutableList.of(sender);
    keys.forEach(key -> queueUpdate(new UpdateEntry(key, items.get(key)), peers));
}

Example 12 with MemberId

use of io.atomix.cluster.MemberId in project atomix by atomix.

the class AntiEntropyMapDelegate method requestBootstrapFromPeers.

/**
 * Requests all updates from each peer in the provided list of peers.
 * <p>
 * The returned future will be completed once at least one peer bootstraps this map or bootstrap requests to all peers
 * fail.
 *
 * @param peers the list of peers from which to request updates
 * @return a future to be completed once updates have been received from at least one peer
 */
private CompletableFuture<Void> requestBootstrapFromPeers(List<MemberId> peers) {
    if (peers.isEmpty()) {
        return CompletableFuture.completedFuture(null);
    }
    CompletableFuture<Void> future = new CompletableFuture<>();
    final int totalPeers = peers.size();
    AtomicBoolean successful = new AtomicBoolean();
    AtomicInteger totalCount = new AtomicInteger();
    AtomicReference<Throwable> lastError = new AtomicReference<>();
    // successful bootstrap response, the future will be completed with the last exception.
    for (MemberId peer : peers) {
        requestBootstrapFromPeer(peer).whenComplete((result, error) -> {
            if (error == null) {
                if (successful.compareAndSet(false, true)) {
                    future.complete(null);
                } else if (totalCount.incrementAndGet() == totalPeers) {
                    Throwable e = lastError.get();
                    if (e != null) {
                        future.completeExceptionally(e);
                    }
                }
            } else {
                if (!successful.get() && totalCount.incrementAndGet() == totalPeers) {
                    future.completeExceptionally(error);
                } else {
                    lastError.set(error);
                }
            }
        });
    }
    return future;
}

Example 13 with MemberId

use of io.atomix.cluster.MemberId in project atomix by atomix.

the class DistributedLogTest method createClient.

/**
 * Creates a Raft client.
 */
private DistributedLogSessionClient createClient() throws Throwable {
    MemberId memberId = nextMemberId();
    DistributedLogSessionClient client = DistributedLogSessionClient.builder().withClientName("test").withPartitionId(PartitionId.from("test", 1)).withMembershipService(new TestClusterMembershipService(memberId, nodes)).withSessionIdProvider(() -> CompletableFuture.completedFuture(nextSessionId())).withPrimaryElection(election).withProtocol(protocolFactory.newClientProtocol(memberId)).build();
    clients.add(client);
    return client;
}

Example 14 with MemberId

use of io.atomix.cluster.MemberId in project atomix by atomix.

the class DistributedLogTest method clearTests.

@Before
@After
public void clearTests() throws Exception {
    Futures.allOf(servers.stream().map(s -> s.stop().exceptionally(v -> null)).collect(Collectors.toList())).get(30, TimeUnit.SECONDS);
    Futures.allOf(clients.stream().map(c -> c.close().exceptionally(v -> null)).collect(Collectors.toList())).get(30, TimeUnit.SECONDS);
    Path directory = Paths.get("target/test-logs/");
    if (Files.exists(directory)) {
        Files.walkFileTree(directory, new SimpleFileVisitor<Path>() {

            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                Files.delete(file);
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
                Files.delete(dir);
                return FileVisitResult.CONTINUE;
            }
        });
    }
    nodes = new ArrayList<>();
    memberId = 0;
    sessionId = 0;
    clients = new ArrayList<>();
    servers = new ArrayList<>();
    protocolFactory = new TestLogProtocolFactory();
    election = new TestPrimaryElection(PartitionId.from("test", 1));
}

Example 15 with MemberId

use of io.atomix.cluster.MemberId in project atomix by atomix.

the class SynchronousReplicator method replicate.

@Override
public CompletableFuture<Void> replicate(BackupOperation operation) {
    if (context.followers().isEmpty()) {
        context.setCommitIndex(operation.index());
        return CompletableFuture.completedFuture(null);
    }
    CompletableFuture<Void> future = new CompletableFuture<>();
    futures.put(operation.index(), future);
    for (MemberId backup : context.followers()) {
        queues.computeIfAbsent(backup, BackupQueue::new).add(operation);
    }
    return future;
}