Examples with MembershipListener org.jgroups.MembershipListener used on opensource projects

Example 1 with MembershipListener

use of org.jgroups.MembershipListener in project JGroups by belaban.

the class ReplCacheDemo method start.

private void start(String props, String cluster_name, long rpc_timeout, long caching_time, boolean migrate_data, boolean use_l1_cache, int l1_max_entries, long l1_reaping_interval, int l2_max_entries, long l2_reaping_interval) throws Exception {
    MBeanServer server = ManagementFactory.getPlatformMBeanServer();
    cache = new ReplCache<>(props, cluster_name);
    cache.setCallTimeout(rpc_timeout);
    cache.setCachingTime(caching_time);
    cache.setMigrateData(migrate_data);
    JmxConfigurator.register(cache, server, BASENAME + ":name=cache");
    JmxConfigurator.register(cache.getL2Cache(), server, BASENAME + ":name=l2-cache");
    if (use_l1_cache) {
        Cache<String, String> l1_cache = new Cache<>();
        cache.setL1Cache(l1_cache);
        if (l1_reaping_interval > 0)
            l1_cache.enableReaping(l1_reaping_interval);
        if (l1_max_entries > 0)
            l1_cache.setMaxNumberOfEntries(l1_max_entries);
        JmxConfigurator.register(cache.getL1Cache(), server, BASENAME + ":name=l1-cache");
    }
    if (l2_max_entries > 0 || l2_reaping_interval > 0) {
        Cache<String, ReplCache.Value<String>> l2_cache = cache.getL2Cache();
        if (l2_max_entries > 0)
            l2_cache.setMaxNumberOfEntries(l2_max_entries);
        if (l2_reaping_interval > 0)
            l2_cache.enableReaping(l2_reaping_interval);
    }
    Runtime.getRuntime().addShutdownHook(new Thread() {

        public void run() {
            cache.stop();
        }
    });
    cache.start();
    model = new MyTableModel<String, String>();
    model.setMap(cache.getL2Cache().getInternalMap());
    cache.addChangeListener(model);
    frame = new JFrame("ReplCacheDemo");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
    table = new MyTable(model);
    table.setPreferredScrollableViewportSize(new Dimension(500, 200));
    // table.setFillsViewportHeight(true); // JDK 6 specific
    table.setShowGrid(false);
    table.setFont(table.getFont().deriveFont(Font.BOLD));
    add(new JScrollPane(table));
    JPanel key = new JPanel(new FlowLayout(FlowLayout.LEFT));
    key.add(new JLabel("Key  "));
    key.add(key_field);
    add(key);
    JPanel value = new JPanel(new FlowLayout(FlowLayout.LEFT));
    value.add(new JLabel("Value"));
    value.add(value_field);
    add(value);
    JPanel repl_count = new JPanel(new FlowLayout(FlowLayout.LEFT));
    repl_count.add(new JLabel("Replication count"));
    repl_count.add(repl_count_field);
    add(repl_count);
    JPanel timeout = new JPanel(new FlowLayout(FlowLayout.LEFT));
    timeout.add(new JLabel("Timeout"));
    timeout.add(timeout_field);
    add(timeout);
    JPanel buttons = new JPanel();
    JButton put_button = createButton("Put");
    buttons.add(createButton("Put"));
    buttons.add(createButton("Remove"));
    buttons.add(createButton("Clear"));
    buttons.add(createButton("Rebalance"));
    buttons.add(createButton("Exit"));
    buttons.add(num_elements);
    add(buttons);
    setOpaque(true);
    root_pane.addTab("Data", this);
    JPanel perf_panel = new JPanel();
    perf_panel.setLayout(new BoxLayout(perf_panel, BoxLayout.Y_AXIS));
    perf_panel.setOpaque(true);
    root_pane.addTab("Perf test", perf_panel);
    perf_panel.add(status);
    status.setForeground(Color.BLUE);
    JPanel prefix = new JPanel(new FlowLayout(FlowLayout.LEFT));
    prefix.add(new JLabel("Key prefix"));
    prefix.add(perf_key_prefix);
    perf_panel.add(prefix);
    JPanel keys = new JPanel(new FlowLayout(FlowLayout.LEFT));
    keys.add(new JLabel("Number of keys to insert"));
    keys.add(perf_num_keys);
    perf_panel.add(keys);
    JPanel size = new JPanel(new FlowLayout(FlowLayout.LEFT));
    size.add(new JLabel("Size of each key (bytes)"));
    size.add(perf_size);
    size.add(new JLabel("    (ignored for now)"));
    perf_panel.add(size);
    JPanel perf_repl_count = new JPanel(new FlowLayout(FlowLayout.LEFT));
    perf_repl_count.add(new JLabel("Replication count"));
    perf_repl_count.add(perf_repl_count_field);
    perf_panel.add(perf_repl_count);
    JPanel perf_timeout = new JPanel(new FlowLayout(FlowLayout.LEFT));
    perf_timeout.add(new JLabel("Timeout"));
    perf_timeout.add(perf_timeout_field);
    perf_panel.add(perf_timeout);
    JPanel perf_buttons = new JPanel(new FlowLayout(FlowLayout.LEFT));
    perf_buttons.add(createButton("Start"));
    perf_buttons.add(createButton("Stop"));
    perf_buttons.add(createButton("Reset"));
    perf_buttons.add(createButton("Exit"));
    perf_panel.add(perf_buttons);
    frame.setContentPane(root_pane);
    frame.pack();
    frame.getRootPane().setDefaultButton(put_button);
    frame.setVisible(true);
    setTitle("ReplCacheDemo");
    cache.addMembershipListener(new MembershipListener() {

        public void viewAccepted(View new_view) {
            setTitle("ReplCacheDemo");
        }

        public void suspect(Address suspected_mbr) {
        }

        public void block() {
        }

        public void unblock() {
        }
    });
}

Example 2 with MembershipListener

use of org.jgroups.MembershipListener in project JGroups by belaban.

the class PartitionedHashMap method viewAccepted.

public void viewAccepted(View new_view) {
    System.out.println("view = " + new_view);
    this.view = new_view;
    for (MembershipListener l : membership_listeners) {
        l.viewAccepted(new_view);
    }
    if (migrate_data) {
        migrateData();
    }
}

Example 3 with MembershipListener

use of org.jgroups.MembershipListener in project JGroups by belaban.

the class ReplCache method viewAccepted.

public void viewAccepted(final View new_view) {
    final List<Address> old_nodes = this.view != null ? new ArrayList<>(this.view.getMembers()) : null;
    this.view = new_view;
    if (log.isDebugEnabled())
        log.debug("new view: " + new_view);
    if (hash_function != null)
        hash_function.installNodes(new_view.getMembers());
    for (MembershipListener l : membership_listeners) l.viewAccepted(new_view);
    if (old_nodes != null) {
        timer.schedule(() -> rebalance(old_nodes, new ArrayList<>(new_view.getMembers())), 100, TimeUnit.MILLISECONDS);
    }
}