Examples with Node org.wildfly.clustering.group.Node used on opensource projects

Example 6 with Node

use of org.wildfly.clustering.group.Node in project wildfly by wildfly.

the class ChannelCommandDispatcher method executeOnCluster.

@Override
public <R> Map<Node, CommandResponse<R>> executeOnCluster(Command<R, ? super C> command, Node... excludedNodes) throws CommandDispatcherException {
    Message message = this.createMessage(command);
    RequestOptions options = this.createRequestOptions(excludedNodes);
    try {
        Map<Address, Rsp<R>> responses = this.dispatcher.castMessage(null, message, options);
        Map<Node, CommandResponse<R>> results = new HashMap<>();
        for (Map.Entry<Address, Rsp<R>> entry : responses.entrySet()) {
            Address address = entry.getKey();
            Rsp<R> response = entry.getValue();
            if (response.wasReceived() && !response.wasSuspected()) {
                results.put(this.factory.createNode(address), createCommandResponse(response));
            }
        }
        return results;
    } catch (Exception e) {
        throw new CommandDispatcherException(e);
    }
}

Example 7 with Node

use of org.wildfly.clustering.group.Node in project wildfly by wildfly.

the class ClusterTopologyRetrieverBean method getClusterTopology.

@Override
public ClusterTopology getClusterTopology() {
    try {
        Collection<CommandResponse<String>> responses = this.dispatcher.executeOnCluster(this.command).values();
        List<String> nodes = new ArrayList<>(responses.size());
        for (CommandResponse<String> response : responses) {
            nodes.add(response.get());
        }
        Node localNode = this.factory.getGroup().getLocalNode();
        String local = this.dispatcher.executeOnNode(this.command, localNode).get();
        responses = this.dispatcher.executeOnCluster(this.command, localNode).values();
        List<String> remote = new ArrayList<>(responses.size());
        for (CommandResponse<String> response : responses) {
            remote.add(response.get());
        }
        return new ClusterTopology(nodes, local, remote);
    } catch (Exception e) {
        throw new IllegalStateException(e.getCause());
    }
}

Example 8 with Node

use of org.wildfly.clustering.group.Node in project wildfly by wildfly.

the class NodeServiceServlet method doGet.

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    String serviceName = getRequiredParameter(req, SERVICE);
    String expected = req.getParameter(EXPECTED);
    this.log(String.format("Received request for %s, expecting %s", serviceName, expected));
    @SuppressWarnings("unchecked") ServiceController<Node> service = (ServiceController<Node>) CurrentServiceContainer.getServiceContainer().getService(ServiceName.parse(serviceName));
    try {
        Node node = service.awaitValue();
        if (expected != null) {
            for (int i = 0; i < RETRIES; ++i) {
                if ((node != null) && expected.equals(node.getName()))
                    break;
                Thread.yield();
                node = service.awaitValue();
            }
        }
        if (node != null) {
            resp.setHeader(NODE_HEADER, node.getName());
        }
    } catch (IllegalStateException e) {
    // Thrown when quorum was not met
    } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
    }
    resp.getWriter().write("Success");
}

Example 9 with Node

use of org.wildfly.clustering.group.Node in project quickstart by wildfly.

the class ServiceActivator method activate.

@Override
public void activate(ServiceActivatorContext serviceActivatorContext) {
    try {
        SingletonPolicy policy = (SingletonPolicy) serviceActivatorContext.getServiceRegistry().getRequiredService(ServiceName.parse(SingletonDefaultRequirement.SINGLETON_POLICY.getName())).awaitValue();
        InjectedValue<Group> group = new InjectedValue<>();
        Service<Node> service = new SingletonService(group);
        policy.createSingletonServiceBuilder(SINGLETON_SERVICE_NAME, service).build(serviceActivatorContext.getServiceTarget()).addDependency(ServiceName.parse("org.wildfly.clustering.default-group"), Group.class, group).install();
        serviceActivatorContext.getServiceTarget().addService(QUERYING_SERVICE_NAME, new QueryingService()).setInitialMode(ServiceController.Mode.ACTIVE).install();
        LOG.info("Singleton and querying services activated.");
    } catch (InterruptedException e) {
        throw new ServiceRegistryException(e);
    }
}

Example 10 with Node

use of org.wildfly.clustering.group.Node in project wildfly by wildfly.

the class InfinispanRouteLocator method locate.

@Override
public String locate(String sessionId) {
    Map.Entry<String, Void> entry = null;
    Address location = this.locatePrimaryOwner(sessionId);
    if (location != null) {
        Node node = this.factory.createNode(location);
        entry = this.registry.getEntry(node);
    }
    return (entry != null) ? entry.getKey() : null;
}