Example usage for javafx.concurrent Service restart

List of usage examples for javafx.concurrent Service restart

Introduction

In this page you can find the example usage for javafx.concurrent Service restart.

Prototype

public void restart() 

Source Link

Document

Cancels any currently running Task, if any, and restarts this Service.

Usage

From source file:com.QuarkLabs.BTCeClientJavaFX.MainController.java

@FXML
void initialize() {
    assert clearLogButton != null : "fx:id=\"clearLogButton\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert fundsTable != null : "fx:id=\"fundsTable\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert logField != null : "fx:id=\"logField\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert buyButton != null : "fx:id=\"buyButton\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert sellButton != null : "fx:id=\"sellButton\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert showActiveOrdersButton != null : "fx:id=\"showActiveOrdersButton\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert tickersTableLastColumn != null : "fx:id=\"tickerTableLastColumn\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert tickersTablePairColumn != null : "fx:id=\"tickerTablePairColumn\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert tickersTable != null : "fx:id=\"tickersTable\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert tickersTableBuyColumn != null : "fx:id=\"tickersTableBuyColumn\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert tickersTableFeeColumn != null : "fx:id=\"tickersTableFeeColumn\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert tickersTableSellColumn != null : "fx:id=\"tickersTableSellColumn\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert tradeAmountValue != null : "fx:id=\"tradeAmountValue\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert tradePriceCurrencyType != null : "fx:id=\"tradeCurrencyPriceValue\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert tradeCurrencyType != null : "fx:id=\"tradeCurrencyType\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert tradePriceValue != null : "fx:id=\"tradePriceValue\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert updateFundsButton != null : "fx:id=\"updateFundsButton\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert fundsTableCurrencyColumn != null : "fx:id=\"fundsTableCurrencyColumn\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert fundsTableValueColumn != null : "fx:id=\"fundsTableValueColumn\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert activeOrdersTable != null : "fx:id=\"fundsTableValueColumn\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert activeOrdersAmountColumn != null : "fx:id=\"activeOrdersAmountColumn\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert activeOrdersPairColumn != null : "fx:id=\"activeOrdersPairColumn\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert activeOrdersRateColumn != null : "fx:id=\"activeOrdersRateColumn\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert activeOrdersTimeColumn != null : "fx:id=\"activeOrdersTimeColumn\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert activeOrdersTypeColumn != null : "fx:id=\"activeOrdersTypeColumn\" was not injected: check your FXML file 'mainlayout.fxml'.";
    assert activeOrdersCancelColumn != null : "fx:id=\"activeOrdersCancelColumn\" was not injected: check your FXML file 'mainlayout.fxml'.";

    //Holder for all main API methods of exchange
    app = new App();

    //Loading configs
    loadExchangeConfig();//from   w  w  w .  j  a  v a 2  s  . c  om

    //Populate choiceboxes at the trading section
    tradeCurrencyType.setItems(FXCollections.observableArrayList(currencies));
    tradeCurrencyType.setValue(currencies.get(0));
    tradePriceCurrencyType.setItems(FXCollections.observableArrayList(currencies));
    tradePriceCurrencyType.setValue(currencies.get(0));

    //Active Orders table
    activeOrdersAmountColumn.setCellValueFactory(new PropertyValueFactory<ActiveOrder, Double>("amount"));
    activeOrdersPairColumn.setCellValueFactory(new PropertyValueFactory<ActiveOrder, String>("pair"));
    activeOrdersRateColumn.setCellValueFactory(new PropertyValueFactory<ActiveOrder, Double>("rate"));
    activeOrdersTimeColumn.setCellValueFactory(
            new Callback<TableColumn.CellDataFeatures<ActiveOrder, String>, ObservableValue<String>>() {
                @Override
                public ObservableValue<String> call(
                        TableColumn.CellDataFeatures<ActiveOrder, String> activeOrderStringCellDataFeatures) {
                    ActiveOrder activeOrder = activeOrderStringCellDataFeatures.getValue();
                    DateFormat dateFormat = DateFormat.getDateTimeInstance();
                    Calendar calendar = Calendar.getInstance();
                    calendar.setTimeInMillis(activeOrder.getTimestamp() * 1000);
                    return new SimpleStringProperty(dateFormat.format(calendar.getTime()));
                }
            });
    activeOrdersTypeColumn.setCellValueFactory(new PropertyValueFactory<ActiveOrder, String>("type"));
    activeOrdersTable.setColumnResizePolicy(TableView.CONSTRAINED_RESIZE_POLICY);

    activeOrdersCancelColumn
            .setCellFactory(new Callback<TableColumn<ActiveOrder, Boolean>, TableCell<ActiveOrder, Boolean>>() {
                @Override
                public TableCell<ActiveOrder, Boolean> call(
                        TableColumn<ActiveOrder, Boolean> activeOrderBooleanTableColumn) {
                    return new ButtonCell<>(activeOrdersTable);
                }
            });
    activeOrdersCancelColumn.setCellValueFactory(
            new Callback<TableColumn.CellDataFeatures<ActiveOrder, Boolean>, ObservableValue<Boolean>>() {
                @Override
                public ObservableValue<Boolean> call(
                        TableColumn.CellDataFeatures<ActiveOrder, Boolean> activeOrderBooleanCellDataFeatures) {
                    return new SimpleBooleanProperty(true);
                }
            });

    //Tickers Table
    MenuItem showOrdersBook = new MenuItem("Show Orders Book");
    MenuItem showPublicTrades = new MenuItem("Show Public Trades");

    ContextMenu contextMenu = new ContextMenu(showOrdersBook, showPublicTrades);

    tickersTable.setItems(tickers);
    tickersTable.setContextMenu(contextMenu);
    tickersTableBuyColumn.setCellValueFactory(new PropertyValueFactory<Ticker, Double>("buy"));
    tickersTableFeeColumn.setCellValueFactory(new PropertyValueFactory<Ticker, Double>("fee"));
    tickersTableSellColumn.setCellValueFactory(new PropertyValueFactory<Ticker, Double>("sell"));
    tickersTableLastColumn.setCellValueFactory(new PropertyValueFactory<Ticker, Double>("last"));
    tickersTablePairColumn.setCellValueFactory(new PropertyValueFactory<Ticker, String>("pair"));
    tickersTable.setColumnResizePolicy(TableView.CONSTRAINED_RESIZE_POLICY);
    tickersTable.setRowFactory(new Callback<TableView<Ticker>, TableRow<Ticker>>() {
        @Override
        public TableRow<Ticker> call(TableView<Ticker> tickerTableView) {
            return new TableRow<Ticker>() {
                @Override
                protected void updateItem(Ticker ticker, boolean b) {
                    super.updateItem(ticker, b);
                    if (!b) {
                        if (tickersData.containsKey(ticker.getPair())) {
                            if (ticker.getLast() < tickersData.get(ticker.getPair()).getLast()) {
                                setStyle("-fx-control-inner-background: rgba(186, 0, 0, 0.5);");
                            } else if (ticker.getLast() == tickersData.get(ticker.getPair()).getLast()) {
                                setStyle("-fx-control-inner-background: rgba(215, 193, 44, 0.5);");
                            } else {
                                setStyle("-fx-control-inner-background: rgba(0, 147, 0, 0.5);");
                            }
                        }
                    }
                }
            };
        }
    });

    //Menu item to show Orders Book
    showOrdersBook.setOnAction(new EventHandler<ActionEvent>() {
        @Override
        public void handle(ActionEvent actionEvent) {
            Ticker selectedTicker = tickersTable.getSelectionModel().getSelectedItem();
            Parent root;
            try {
                FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource(PATH_TO_ORDERS_BOOK_LAYOUT),
                        resources);
                root = (Parent) fxmlLoader.load();
                OrdersBookController ordersBookController = fxmlLoader.getController();
                ordersBookController.injectPair(selectedTicker.getPair());
                Stage stage = new Stage();
                stage.setTitle("Orders Book for " + selectedTicker.getPair().replace("_", "/").toUpperCase());
                stage.setScene(new Scene(root));
                stage.setResizable(false);
                stage.show();

            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    });
    //Menu item to show Public Trades
    showPublicTrades.setOnAction(new EventHandler<ActionEvent>() {
        @Override
        public void handle(ActionEvent actionEvent) {
            Ticker selectedTicker = tickersTable.getSelectionModel().getSelectedItem();
            Parent root;
            try {
                FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource(PATH_TO_TRADES_LAYOUT),
                        resources);
                root = (Parent) fxmlLoader.load();
                PublicTradesController publicTradesController = fxmlLoader.getController();
                publicTradesController.injectPair(selectedTicker.getPair());
                Stage stage = new Stage();
                stage.setTitle("Public Trades for " + selectedTicker.getPair().replace("_", "/").toUpperCase());
                stage.setScene(new Scene(root));
                stage.setResizable(false);
                stage.show();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    });

    //Funds Table
    fundsTableCurrencyColumn.setCellValueFactory(new PropertyValueFactory<Fund, String>("currency"));
    fundsTableValueColumn.setCellValueFactory(new PropertyValueFactory<Fund, Double>("value"));
    fundsTable.setColumnResizePolicy(TableView.CONSTRAINED_RESIZE_POLICY);
    fundsTable.setItems(fundsData);

    //Task to load tickers data from server
    final javafx.concurrent.Service loadTickersService = new javafx.concurrent.Service() {
        @Override
        protected Task createTask() {
            Task<JSONObject> loadTickers = new Task<JSONObject>() {
                @Override
                protected JSONObject call() throws Exception {
                    String[] pairsArray = new String[pairs.size()];
                    pairsArray = pairs.toArray(pairsArray);
                    return App.getPairInfo(pairsArray);
                }
            };

            loadTickers.setOnFailed(new EventHandler<WorkerStateEvent>() {
                @Override
                public void handle(WorkerStateEvent workerStateEvent) {
                    logField.appendText(workerStateEvent.getSource().getException().getMessage() + "\r\n");
                }
            });

            loadTickers.setOnSucceeded(new EventHandler<WorkerStateEvent>() {
                @Override
                public void handle(WorkerStateEvent workerStateEvent) {
                    JSONObject jsonObject = (JSONObject) workerStateEvent.getSource().getValue();

                    //ugly hack to store old values
                    //dump old values to tickersData
                    //TODO think about better solution
                    if (tickers.size() != 0) {
                        for (Ticker x : tickers) {
                            tickersData.put(x.getPair(), x);
                        }
                    }
                    tickers.clear();
                    for (Iterator iterator = jsonObject.keys(); iterator.hasNext();) {
                        String key = (String) iterator.next();
                        JSONObject data = jsonObject.getJSONObject(key);
                        Ticker ticker = new Ticker();
                        ticker.setPair(key);
                        ticker.setUpdated(data.optLong("updated"));
                        ticker.setAvg(data.optDouble("avg"));
                        ticker.setBuy(data.optDouble("buy"));
                        ticker.setSell(data.optDouble("sell"));
                        ticker.setHigh(data.optDouble("high"));
                        ticker.setLast(data.optDouble("last"));
                        ticker.setLow(data.optDouble("low"));
                        ticker.setVol(data.optDouble("vol"));
                        ticker.setVolCur(data.optDouble("vol_cur"));
                        tickers.add(ticker);
                    }

                }
            });
            return loadTickers;
        }
    };

    //Update tickers every 15 seconds
    //TODO better solution is required
    Timeline timeline = new Timeline(new KeyFrame(Duration.ZERO, new EventHandler<ActionEvent>() {
        @Override
        public void handle(ActionEvent actionEvent) {
            loadTickersService.restart();
        }
    }), new KeyFrame(Duration.seconds(15)));
    timeline.setCycleCount(Timeline.INDEFINITE);
    timeline.playFromStart();

}