Package org.apache.karaf.cellar.core

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

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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 = 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);
                }
            }
        } else {
            if (status == null) {
                // in case of status display, select all nodes
                recipientList = clusterManager.listNodes();
            } else {
                // in case of status change, select only the local node
                recipientList.add(clusterManager.getNode());
            }
        }

        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()) {
                String local = " ";
                if (node.equals(clusterManager.getNode())) {
                    local = "*";
                }
                ConsumerSwitchResult result = results.get(node);
                String statusString = "OFF";
                if (result.getStatus()) {
                    statusString = "ON";
                }
                System.out.println(String.format(OUTPUT_FORMAT, local, 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 = 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);
                }
            }
        } else {
            if (status == null) {
                // in case of status display, select all nodes
                recipientList = clusterManager.listNodes();
            } else {
                // in case of status change, select only the local node
                recipientList.add(clusterManager.getNode());
            }
        }

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

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

        Map<Node, ManageHandlersResult> 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", "Event Handler"));
            for (Map.Entry<Node,ManageHandlersResult> handlersResultEntry : results.entrySet()) {
                Node node = handlersResultEntry.getKey();
                String local = " ";
                if (node.equals(clusterManager.getNode())) {
                    local = "*";
                }
                ManageHandlersResult result = handlersResultEntry.getValue();
                if (result != null && result.getHandlers() != null) {

                    for (Map.Entry<String,String>  handlerEntry: result.getHandlers().entrySet()) {
                        String handler =  handlerEntry.getKey();
                        String s = handlerEntry.getValue();
                        System.out.println(String.format(OUTPUT_FORMAT, local, node.getId(), s, handler));
                    }
                }
            }
        }
        return null;
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    public void destroy() {
        ClassLoader originalClassLoader = Thread.currentThread().getContextClassLoader();
        try {
            Thread.currentThread().setContextClassLoader(combinedClassLoader);
            // update the group
            Node local = this.getNode();
            Set<Group> groups = this.listGroups(local);
            for (Group group : groups) {
                String groupName = group.getName();
                group.getNodes().remove(local);
                listGroups().put(groupName, group);
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    @Override
    public Node getNode() {
        ClassLoader originalClassLoader = Thread.currentThread().getContextClassLoader();
        try {
            Thread.currentThread().setContextClassLoader(combinedClassLoader);
            Node node = null;
            Cluster cluster = instance.getCluster();
            if (cluster != null) {
                Member member = cluster.getLocalMember();
                node = new HazelcastNode(member.getInetSocketAddress().getHostName(), member.getInetSocketAddress().getPort());
            }
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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);
                }
            }
        } else {
            if (status == null) {
                // in case of status display, select all nodes
                recipientList = clusterManager.listNodes();
            } else {
                // in case of status change, select only the local node
                recipientList.add(clusterManager.getNode());
            }
        }

        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()) {
                String local = " ";
                if (node.equals(clusterManager.getNode())) {
                    local = "*";
                }
                ProducerSwitchResult result = results.get(node);
                String statusString = "OFF";
                if (result.getStatus()) {
                    statusString = "ON";
                }
                System.out.println(String.format(OUTPUT_FORMAT, local, node.getId(), statusString));
            }
        }
        return null;
    }
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        Group group = groupManager.findGroupByName(groupName);
        if (group == null) {
            throw new IllegalArgumentException("Cluster group " + groupName + " doesn't exist");
        }

        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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        Group group = groupManager.findGroupByName(groupName);
        if (group == null) {
            throw new IllegalArgumentException("Cluster group " + groupName + " doesn't exist");
        }

        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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     * @param group the cluster group.
     * @return true if the cluster group is local, false else.
     */
    @Override
    protected boolean acceptsGroup(Group group) {
        Node node = groupManager.getNode();
        if (group.getNodes().contains(node))
            return true;
        else return false;
    }
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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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