private void sayHello() { if (_helloPrx == null) { return; } int delay = _delaySlider.getValue(); try { if (!_deliveryMode.isBatch()) { _status.setText("Sending request"); final DeliveryMode mode = _deliveryMode; java.util.concurrent.CompletableFuture<Void> f = _helloPrx.sayHelloAsync(delay); final Holder<Boolean> response = new Holder<Boolean>(false); f.whenComplete( (result, ex) -> { if (ex == null) { assert (!response.value); response.value = true; _status.setText("Ready"); } else { assert (!response.value); response.value = true; handleException(ex); } }); com.zeroc.Ice.Util.getInvocationFuture(f) .whenSent( (ss, ex) -> { if (ex == null) { if (mode.isOneway()) { _status.setText("Ready"); } else if (!response.value) { _status.setText("Waiting for response"); } } }); } else { _flush.setEnabled(true); _helloPrx.sayHello(delay); _status.setText("Queued sayHello request"); } } catch (com.zeroc.Ice.LocalException ex) { handleException(ex); } }
Client(String[] args) { // // Initialize an Ice communicator. // try { com.zeroc.Ice.InitializationData initData = new com.zeroc.Ice.InitializationData(); initData.properties = com.zeroc.Ice.Util.createProperties(); initData.properties.load("config.client"); initData.dispatcher = (runnable, connection) -> { SwingUtilities.invokeLater(runnable); }; _communicator = com.zeroc.Ice.Util.initialize(args, initData).communicator; } catch (Throwable ex) { handleException(ex); } Container cp = this; JLabel l1 = new JLabel("Hostname"); _hostname = new JTextField(); JLabel l2 = new JLabel("Mode"); _mode = new JComboBox<String>(); JLabel l3 = new JLabel("Timeout"); _timeoutSlider = new JSlider(0, MAX_TIME); _timeoutLabel = new JLabel("0.0"); JLabel l4 = new JLabel("Delay"); _delaySlider = new JSlider(0, MAX_TIME); _delayLabel = new JLabel("0.0"); JPanel buttonPanel = new JPanel(); _hello = new JButton("Hello World!"); _shutdown = new JButton("Shutdown"); _flush = new JButton("Flush"); _flush.setEnabled(false); JSeparator statusPanelSeparator = new JSeparator(); _status = new JLabel(); _status.setText("Ready"); // // Default to localhost. // _hostname.setText("127.0.0.1"); _hostname .getDocument() .addDocumentListener( new DocumentListener() { @Override public void changedUpdate(DocumentEvent e) { updateProxy(); } @Override public void insertUpdate(DocumentEvent e) { if (e.getDocument().getLength() > 0) { _hello.setEnabled(true); _shutdown.setEnabled(true); } updateProxy(); } @Override public void removeUpdate(DocumentEvent e) { if (e.getDocument().getLength() == 0) { _hello.setEnabled(false); _shutdown.setEnabled(false); _flush.setEnabled(false); } updateProxy(); } }); _mode.setModel(new DefaultComboBoxModel<String>(DELIVERY_MODE_DESC)); _hello.addActionListener( new ActionListener() { @Override public void actionPerformed(ActionEvent e) { sayHello(); } }); _shutdown.addActionListener( new ActionListener() { @Override public void actionPerformed(ActionEvent e) { shutdown(); } }); _flush.addActionListener( new ActionListener() { @Override public void actionPerformed(ActionEvent e) { flush(); } }); _mode.addActionListener( new ActionListener() { @Override public void actionPerformed(ActionEvent e) { changeDeliveryMode(_mode.getSelectedIndex()); } }); changeDeliveryMode(_mode.getSelectedIndex()); _timeoutSlider.addChangeListener(new SliderListener(_timeoutSlider, _timeoutLabel)); _timeoutSlider.addChangeListener( new ChangeListener() { @Override public void stateChanged(ChangeEvent ce) { updateProxy(); } }); _timeoutSlider.setValue(0); _delaySlider.addChangeListener(new SliderListener(_delaySlider, _delayLabel)); _delaySlider.setValue(0); GridBagConstraints gridBagConstraints; cp.setMaximumSize(null); cp.setPreferredSize(null); cp.setLayout(new GridBagLayout()); l1.setText("Hostname"); gridBagConstraints = new GridBagConstraints(); gridBagConstraints.gridx = 0; gridBagConstraints.gridy = 0; gridBagConstraints.anchor = GridBagConstraints.WEST; gridBagConstraints.insets = new Insets(5, 5, 5, 5); cp.add(l1, gridBagConstraints); gridBagConstraints = new GridBagConstraints(); gridBagConstraints.gridx = 1; gridBagConstraints.gridy = 0; gridBagConstraints.gridwidth = 2; gridBagConstraints.fill = GridBagConstraints.HORIZONTAL; gridBagConstraints.insets = new Insets(5, 0, 5, 5); cp.add(_hostname, gridBagConstraints); l2.setText("Mode"); gridBagConstraints = new GridBagConstraints(); gridBagConstraints.gridx = 0; gridBagConstraints.gridy = 1; gridBagConstraints.anchor = GridBagConstraints.WEST; gridBagConstraints.insets = new Insets(0, 5, 5, 0); cp.add(l2, gridBagConstraints); gridBagConstraints = new GridBagConstraints(); gridBagConstraints.gridx = 1; gridBagConstraints.gridy = 1; gridBagConstraints.gridwidth = 2; gridBagConstraints.fill = GridBagConstraints.HORIZONTAL; gridBagConstraints.insets = new Insets(0, 0, 5, 5); cp.add(_mode, gridBagConstraints); l3.setText("Timeout"); gridBagConstraints = new GridBagConstraints(); gridBagConstraints.gridx = 0; gridBagConstraints.gridy = 2; gridBagConstraints.anchor = GridBagConstraints.WEST; gridBagConstraints.insets = new Insets(0, 5, 5, 0); cp.add(l3, gridBagConstraints); gridBagConstraints = new GridBagConstraints(); gridBagConstraints.gridx = 1; gridBagConstraints.gridy = 2; gridBagConstraints.fill = GridBagConstraints.HORIZONTAL; gridBagConstraints.anchor = GridBagConstraints.WEST; cp.add(_timeoutSlider, gridBagConstraints); _timeoutLabel.setMinimumSize(new Dimension(20, 17)); gridBagConstraints = new GridBagConstraints(); gridBagConstraints.gridx = 2; gridBagConstraints.gridy = 2; gridBagConstraints.anchor = GridBagConstraints.WEST; gridBagConstraints.insets = new Insets(0, 5, 5, 5); cp.add(_timeoutLabel, gridBagConstraints); l4.setText("Delay"); gridBagConstraints = new GridBagConstraints(); gridBagConstraints.gridx = 0; gridBagConstraints.gridy = 3; gridBagConstraints.anchor = GridBagConstraints.WEST; gridBagConstraints.insets = new Insets(0, 5, 5, 0); cp.add(l4, gridBagConstraints); gridBagConstraints = new GridBagConstraints(); gridBagConstraints.gridx = 1; gridBagConstraints.gridy = 3; gridBagConstraints.fill = GridBagConstraints.HORIZONTAL; gridBagConstraints.anchor = GridBagConstraints.WEST; cp.add(_delaySlider, gridBagConstraints); _delayLabel.setMinimumSize(new Dimension(20, 17)); gridBagConstraints = new GridBagConstraints(); gridBagConstraints.gridx = 2; gridBagConstraints.gridy = 3; gridBagConstraints.anchor = GridBagConstraints.WEST; gridBagConstraints.insets = new Insets(0, 5, 5, 5); cp.add(_delayLabel, gridBagConstraints); _hello.setText("Hello World!"); buttonPanel.add(_hello); _shutdown.setText("Shutdown"); buttonPanel.add(_shutdown); _flush.setText("Flush"); buttonPanel.add(_flush); gridBagConstraints = new GridBagConstraints(); gridBagConstraints.gridx = 0; gridBagConstraints.gridy = 4; gridBagConstraints.gridwidth = 3; gridBagConstraints.ipady = 5; cp.add(buttonPanel, gridBagConstraints); gridBagConstraints = new GridBagConstraints(); gridBagConstraints.gridx = 0; gridBagConstraints.gridy = 5; gridBagConstraints.gridwidth = 3; gridBagConstraints.fill = GridBagConstraints.HORIZONTAL; gridBagConstraints.insets = new Insets(0, 5, 5, 5); cp.add(statusPanelSeparator, gridBagConstraints); gridBagConstraints = new GridBagConstraints(); gridBagConstraints.gridx = 0; gridBagConstraints.gridy = 6; gridBagConstraints.gridwidth = 3; gridBagConstraints.fill = GridBagConstraints.HORIZONTAL; gridBagConstraints.insets = new Insets(0, 5, 5, 5); cp.add(_status, gridBagConstraints); setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE); _shutdownHook = new Thread("Shutdown hook") { @Override public void run() { destroyCommunicator(); } }; try { Runtime.getRuntime().addShutdownHook(_shutdownHook); } catch (IllegalStateException e) { // // Shutdown in progress, ignored // } addWindowListener( new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { destroyCommunicator(); Runtime.getRuntime().removeShutdownHook(_shutdownHook); dispose(); Runtime.getRuntime().exit(0); } }); setTitle("Ice - Hello World!"); pack(); locateOnScreen(this); setVisible(true); }