Example usage for java.awt Button setMaximumSize

Introduction

In this page you can find the example usage for java.awt Button setMaximumSize.

Prototype

public void setMaximumSize(Dimension maximumSize) 

Source Link

Document

Sets the maximum size of this component to a constant value.

Usage

From source file:com.amazonaws.services.kinesis.leases.impl.LeaseCoordinatorExerciser.java

public static void main(String[] args) throws InterruptedException, DependencyException, InvalidStateException,
        ProvisionedThroughputException, IOException {

    int numCoordinators = 9;
    int numLeases = 73;
    int leaseDurationMillis = 10000;
    int epsilonMillis = 100;

    AWSCredentialsProvider creds = new DefaultAWSCredentialsProviderChain();
    AmazonDynamoDBClient ddb = new AmazonDynamoDBClient(creds);

    ILeaseManager<KinesisClientLease> leaseManager = new KinesisClientLeaseManager("nagl_ShardProgress", ddb);

    if (leaseManager.createLeaseTableIfNotExists(10L, 50L)) {
        LOG.info("Waiting for newly created lease table");
        if (!leaseManager.waitUntilLeaseTableExists(10, 300)) {
            LOG.error("Table was not created in time");
            return;
        }/*from www . j  a  v a2s . c  o m*/
    }

    CWMetricsFactory metricsFactory = new CWMetricsFactory(creds, "testNamespace", 30 * 1000, 1000);
    final List<LeaseCoordinator<KinesisClientLease>> coordinators = new ArrayList<LeaseCoordinator<KinesisClientLease>>();
    for (int i = 0; i < numCoordinators; i++) {
        String workerIdentifier = "worker-" + Integer.toString(i);

        LeaseCoordinator<KinesisClientLease> coord = new LeaseCoordinator<KinesisClientLease>(leaseManager,
                workerIdentifier, leaseDurationMillis, epsilonMillis, metricsFactory);

        coordinators.add(coord);
    }

    leaseManager.deleteAll();

    for (int i = 0; i < numLeases; i++) {
        KinesisClientLease lease = new KinesisClientLease();
        lease.setLeaseKey(Integer.toString(i));
        lease.setCheckpoint(new ExtendedSequenceNumber("checkpoint"));
        leaseManager.createLeaseIfNotExists(lease);
    }

    final JFrame frame = new JFrame("Test Visualizer");
    frame.setPreferredSize(new Dimension(800, 600));
    final JPanel panel = new JPanel(new GridLayout(coordinators.size() + 1, 0));
    final JLabel ticker = new JLabel("tick");
    panel.add(ticker);
    frame.getContentPane().add(panel);

    final Map<String, JLabel> labels = new HashMap<String, JLabel>();
    for (final LeaseCoordinator<KinesisClientLease> coord : coordinators) {
        JPanel coordPanel = new JPanel();
        coordPanel.setLayout(new BoxLayout(coordPanel, BoxLayout.X_AXIS));
        final Button button = new Button("Stop " + coord.getWorkerIdentifier());
        button.setMaximumSize(new Dimension(200, 50));
        button.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent arg0) {
                if (coord.isRunning()) {
                    coord.stop();
                    button.setLabel("Start " + coord.getWorkerIdentifier());
                } else {
                    try {
                        coord.start();
                    } catch (LeasingException e) {
                        LOG.error(e);
                    }
                    button.setLabel("Stop " + coord.getWorkerIdentifier());
                }
            }

        });
        coordPanel.add(button);

        JLabel label = new JLabel();
        coordPanel.add(label);
        labels.put(coord.getWorkerIdentifier(), label);
        panel.add(coordPanel);
    }

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    new Thread() {

        // Key is lease key, value is green-ness as a value from 0 to 255.
        // Great variable name, huh?
        private Map<String, Integer> greenNesses = new HashMap<String, Integer>();

        // Key is lease key, value is last owning worker
        private Map<String, String> lastOwners = new HashMap<String, String>();

        @Override
        public void run() {
            while (true) {
                for (LeaseCoordinator<KinesisClientLease> coord : coordinators) {
                    String workerIdentifier = coord.getWorkerIdentifier();

                    JLabel label = labels.get(workerIdentifier);

                    List<KinesisClientLease> asgn = new ArrayList<KinesisClientLease>(coord.getAssignments());
                    Collections.sort(asgn, new Comparator<KinesisClientLease>() {

                        @Override
                        public int compare(KinesisClientLease arg0, KinesisClientLease arg1) {
                            return arg0.getLeaseKey().compareTo(arg1.getLeaseKey());
                        }

                    });

                    StringBuilder builder = new StringBuilder();
                    builder.append("<html>");
                    builder.append(workerIdentifier).append(":").append(asgn.size()).append("          ");

                    for (KinesisClientLease lease : asgn) {
                        String leaseKey = lease.getLeaseKey();
                        String lastOwner = lastOwners.get(leaseKey);

                        // Color things green when they switch owners, decay the green-ness over time.
                        Integer greenNess = greenNesses.get(leaseKey);
                        if (greenNess == null || lastOwner == null
                                || !lastOwner.equals(lease.getLeaseOwner())) {
                            greenNess = 200;
                        } else {
                            greenNess = Math.max(0, greenNess - 20);
                        }
                        greenNesses.put(leaseKey, greenNess);
                        lastOwners.put(leaseKey, lease.getLeaseOwner());

                        builder.append(String.format("<font color=\"%s\">%03d</font>",
                                String.format("#00%02x00", greenNess), Integer.parseInt(leaseKey))).append(" ");
                    }
                    builder.append("</html>");

                    label.setText(builder.toString());
                    label.revalidate();
                    label.repaint();
                }

                if (ticker.getText().equals("tick")) {
                    ticker.setText("tock");
                } else {
                    ticker.setText("tick");
                }

                try {
                    Thread.sleep(200);
                } catch (InterruptedException e) {
                }
            }
        }

    }.start();

    frame.pack();
    frame.setVisible(true);

    for (LeaseCoordinator<KinesisClientLease> coord : coordinators) {
        coord.start();
    }
}

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