Package org.apache.karaf.cellar.core

Examples of org.apache.karaf.cellar.core.Node

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    /**
     * Removes {@link Node} from ALL {@link Group}s.
     */
    public void purgeGroups() {
        Node node = clusterManager.getNode();
        Set<String> groupNames = groupManager.listGroupNames(node);
        if (groupNames != null && !groupNames.isEmpty()) {
            for (String targetGroupName : groupNames) {
                quitGroup(targetGroupName);
            }
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    @Argument(index = 2, name = "interval", description = "The time in millis to wait between iterations.", required = false, multiValued = false)
    Long interval = 1000L;

    @Override
    protected Object doExecute() throws Exception {
        Node node = clusterManager.findNodeById(nodeId);
        if (node == null) {
            System.out.println("Cluster node " + nodeId + " doesn't exist");
            return null;
        }

        System.out.println("PING " + node.getId());
        try {
            for (int i = 1; i <= iterations; i++) {
                Long start = System.currentTimeMillis();
                Ping ping = new Ping(clusterManager.generateId());
                ping.setDestination(new HashSet(Arrays.asList(node)));
                executionContext.execute(ping);
                Long stop = System.currentTimeMillis();
                Long delay = stop - start;
                if (delay >= TIMEOUT) {
                    System.err.println(String.format("TIMEOUT %s %s", i, node.getId()));
                } else {
                    System.out.println(String.format("from %s: req=%s time=%s ms", i, node.getId(), delay));
                }
                Thread.sleep(interval);
            }
        } catch (InterruptedException e) {
            // nothing to do
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        // looking for nodes and check if exist
        Set<Node> recipientList;
        if (nodeIds != null && !nodeIds.isEmpty()) {
            recipientList = new HashSet<Node>();
            for (String nodeId : nodeIds) {
                Node node = clusterManager.findNodeById(nodeId);
                if (node == null) {
                    System.err.println("Cluster node " + nodeId + " doesn't exist");
                } else {
                    recipientList.add(node);
                }
            }
        } else {
            recipientList = clusterManager.listNodes();
        }

        if (recipientList.size() < 1) {
            return null;
        }

        command.setDestination(recipientList);
        command.setStatus(status);

        Map<Node, ConsumerSwitchResult> results = executionContext.execute(command);
        if (results == null || results.isEmpty()) {
            System.out.println("No result received within given timeout");
        } else {
            System.out.println(String.format(HEADER_FORMAT, "Node", "Status"));
            for (Node node : results.keySet()) {
                ConsumerSwitchResult result = results.get(node);
                String statusString = "OFF";
                if (result.getStatus()) {
                    statusString = "ON";
                }
                System.out.println(String.format(OUTPUT_FORMAT, node.getId(), statusString));
            }
        }
        return null;
    }
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        // looking for nodes and check if exist
        Set<Node> recipientList = new HashSet<Node>();
        if (nodeIds != null && !nodeIds.isEmpty()) {
            for (String nodeId : nodeIds) {
                Node node = clusterManager.findNodeById(nodeId);
                if (node == null) {
                    System.err.println("Cluster node " + nodeId + " doesn't exist");
                } else {
                    recipientList.add(node);
                }
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        // looking for nodes and check if exist
        Set<Node> recipientList;
        if (nodeIds != null && !nodeIds.isEmpty()) {
            recipientList = new HashSet<Node>();
            for (String nodeId : nodeIds) {
                Node node = clusterManager.findNodeById(nodeId);
                if (node == null) {
                    System.err.println("Cluster node " + nodeId + " doesn't exist");
                } else {
                    recipientList.add(node);
                }
            }
        } else {
            recipientList = clusterManager.listNodes();
        }

        if (recipientList.size() < 1) {
            return null;
        }

        command.setDestination(recipientList);
        command.setStatus(status);

        Map<Node, ProducerSwitchResult> results = executionContext.execute(command);
        if (results == null || results.isEmpty()) {
            System.out.println("No result received within given timeout");
        } else {
            System.out.println(String.format(HEADER_FORMAT, "Node", "Status"));
            for (Node node : results.keySet()) {
                ProducerSwitchResult result = results.get(node);
                String statusString = "OFF";
                if (result.getStatus()) {
                    statusString = "ON";
                }
                System.out.println(String.format(OUTPUT_FORMAT, node.getId(), statusString));
            }
        }
        return null;
    }
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        TabularType tableType = new TabularType("Event Handlers", "Table of Karaf Cellar cluster event handlers",
                compositeType, new String[]{ "node", "handler" });
        TabularDataSupport table = new TabularDataSupport(tableType);

        for (Map.Entry<Node, ManageHandlersResult> handlersResultEntry : results.entrySet()) {
            Node node = handlersResultEntry.getKey();
            ManageHandlersResult result = handlersResultEntry.getValue();
            if (result != null && result.getHandlers() != null) {
                for (Map.Entry<String, String> handlerEntry : result.getHandlers().entrySet()) {
                    String handler = handlerEntry.getKey();
                    String status = handlerEntry.getValue();
                    CompositeDataSupport data = new CompositeDataSupport(compositeType,
                            new String[]{ "node", "handler", "status" },
                            new Object[]{ node.getId(), handler, status });
                    table.put(data);
                }
            }
        }
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    }

    public void handlerStart(String handlerId, String nodeId) throws Exception {
        ManageHandlersCommand command = new ManageHandlersCommand(clusterManager.generateId());

        Node node = clusterManager.findNodeById(nodeId);
        if (node == null) {
            throw new IllegalArgumentException("Cluster node " + nodeId + " doesn't exist");
        }

        Set<Node> nodes = new HashSet<Node>();
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    }

    public void handlerStop(String handlerId, String nodeId) throws Exception {
        ManageHandlersCommand command = new ManageHandlersCommand(clusterManager.generateId());

        Node node = clusterManager.findNodeById(nodeId);
        if (node == null) {
            throw new IllegalArgumentException("Cluster node " + nodeId + " doesn't exist");
        }

        Set<Node> nodes = new HashSet<Node>();
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    }

    public void consumerStart(String nodeId) throws Exception {
        ConsumerSwitchCommand command = new ConsumerSwitchCommand(clusterManager.generateId());

        Node node = clusterManager.findNodeById(nodeId);
        if (node == null) {
            throw new IllegalArgumentException("Cluster node " + nodeId + " doesn't exist");
        }

        Set<Node> nodes = new HashSet<Node>();
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    }

    public void consumerStop(String nodeId) throws Exception {
        ConsumerSwitchCommand command = new ConsumerSwitchCommand(clusterManager.generateId());

        Node node = clusterManager.findNodeById(nodeId);
        if (node == null) {
            throw new IllegalArgumentException("Cluster node " + nodeId + " doesn't exist");
        }

        Set<Node> nodes = new HashSet<Node>();
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Related Classes of org.apache.karaf.cellar.core.Node

  • org.apache.karaf.cellar.core.control.ManageGroupCommandHandler
  • org.apache.karaf.cellar.core.shell.completer.LocalGroupsCompleter
  • org.apache.karaf.cellar.core.shell.completer.OtherGroupsCompleter
  • org.apache.karaf.cellar.core.shell.completers.LocalGroupsCompleter
  • org.apache.karaf.cellar.core.shell.completers.OtherGroupsCompleter
  • org.apache.karaf.cellar.features.LocalFeaturesListener
  • org.apache.karaf.cellar.hazelcast.HazelcastGroupManager
  • org.apache.karaf.cellar.itests.CellarChildNodesTest
  • org.apache.karaf.cellar.itests.CellarFeaturesTest
  • org.apache.karaf.cellar.itests.CellarGroupsTest
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