Package org.apache.karaf.cellar.core

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

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    String groupName;

    @Override
    protected Object doExecute() throws Exception {
        // check if the group exists
        Group group = groupManager.findGroupByName(groupName);
        if (group == null) {
            System.err.println("Cluster group " + groupName + " doesn't exist");
            return null;
        }

        // check if the group doesn't contain nodes
        if (group.getNodes() != null && !group.getNodes().isEmpty()) {
            System.err.println("Cluster group " + groupName  + " is not empty");
            return null;
        }

        groupManager.deleteGroup(groupName);
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    private EventProducer eventProducer;

    @Override
    protected Object doExecute() throws Exception {
        // check if the group exists
        Group group = groupManager.findGroupByName(groupName);
        if (group == null) {
            System.err.println("Cluster group " + groupName + " doesn't exist");
            return null;
        }
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    @Override
    public Group createGroup(String groupName) {
        ClassLoader originalClassLoader = Thread.currentThread().getContextClassLoader();
        try {
            Thread.currentThread().setContextClassLoader(combinedClassLoader);
            Group group = listGroups().get(groupName);
            if (group == null) {
                group = new Group(groupName);
            }
            if (!listGroups().containsKey(groupName)) {
                copyGroupConfiguration(Configurations.DEFAULT_GROUP_NAME, groupName);
                listGroups().put(groupName, group);
                try {
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    @Override
    public void registerGroup(String groupName) {
        ClassLoader originalClassLoader = Thread.currentThread().getContextClassLoader();
        try {
            Thread.currentThread().setContextClassLoader(combinedClassLoader);
            Group group = listGroups().get(groupName);
            if (group == null) {
                group = new Group(groupName);
            }
            registerGroup(group);
        } finally {
            Thread.currentThread().setContextClassLoader(originalClassLoader);
        }
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    }

    @Override
    public void create(String name) throws Exception {
        // check if the group exists
        Group group = groupManager.findGroupByName(name);
        if (group != null) {
            throw new IllegalArgumentException("Cluster group " + name + " already exists");
        }
        groupManager.createGroup(name);
    }
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    @Override
    public void delete(String name) throws Exception {
        ClassLoader originalClassLoader = Thread.currentThread().getContextClassLoader();
        try {
            Thread.currentThread().setContextClassLoader(getClass().getClassLoader());
            Group g = groupManager.findGroupByName(name);
            List<String> nodes = new ArrayList<String>();

            if (g.getNodes() != null && !g.getNodes().isEmpty()) {
                for (Node n : g.getNodes()) {
                    nodes.add(n.getId());
                }
                ManageGroupCommand command = new ManageGroupCommand(clusterManager.generateId());
                command.setAction(ManageGroupAction.QUIT);
                command.setGroupName(name);
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        }
    }

    @Override
    public void join(String groupName, String nodeId) throws Exception {
        Group group = groupManager.findGroupByName(groupName);
        if (group == null) {
            throw new IllegalArgumentException("Cluster group " + groupName + " doesn't exist");
        }

        Node node = clusterManager.findNodeById(nodeId);
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        executionContext.execute(command);
    }

    @Override
    public void quit(String groupName, String nodeId) throws Exception {
        Group group = groupManager.findGroupByName(groupName);
        if (group == null) {
            throw new IllegalArgumentException("Cluster group " + groupName + " doesn't exist");
        }

        Node node = clusterManager.findNodeById(nodeId);
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            }
        } else if (ManageGroupAction.PURGE.equals(action)) {
            purgeGroups();
            joinGroup(Configurations.DEFAULT_GROUP_NAME);
        } else if (ManageGroupAction.SET.equals(action)) {
            Group localGroup = groupManager.listLocalGroups().iterator().next();
            quitGroup(localGroup.getName());
            joinGroup(targetGroupName);
        }

        addGroupListToResult(result);
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     */
    public void joinGroup(String targetGroupName) {
        Node node = clusterManager.getNode();
        Map<String, Group> groups = groupManager.listGroups();
        if (groups != null && !groups.isEmpty()) {
            Group targetGroup = groups.get(targetGroupName);
            if (targetGroup == null) {
                groupManager.registerGroup(targetGroupName);
            } else if (!targetGroup.getNodes().contains(node)) {
                targetGroup.getNodes().add(node);
                groupManager.listGroups().put(targetGroupName, targetGroup);
                groupManager.registerGroup(targetGroup);
            }
        }
    }
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