Examples with Task javafx.concurrent.Task used on opensource projects

Example 16 with Task

use of javafx.concurrent.Task in project Gargoyle by callakrsos.

the class ScheduleTimeLineComposite method initialize.

@FXML
public void initialize() {
    Monitors.addListener(this);
    Main.addPrimaryStageCloseListener(this);
    chartTimeLine.setVerticalGridLinesVisible(false);
    ObservableList<Series<String, Number>> data = chartTimeLine.getData();
    // allJvmProcessSeries = new Series<String, Number>();
    // allJvmProcessSeries.setName("All JVM Process");
    // data.add(allJvmProcessSeries);
    passBatchProcessSeries = new Series<String, Number>();
    passBatchProcessSeries.setName("Java Process");
    data.add(passBatchProcessSeries);
    // monitorService.setOnRunning(ev ->{
    // System.err.println("running~~~~~~~~~~~~~~~~~~~");
    // });
    // monitorService.setOnScheduled(ev ->{
    // System.err.println("service schedule.....");
    // });
    monitorService = new Service<Void>() {

        @Override
        protected Task<Void> createTask() {
            return new Task<Void>() {

                @Override
                protected Void call() throws Exception {
                    Thread.sleep(1000);
                    String mmss = format.format(new Date());
                    updateMessage(mmss);
                    return null;
                }
            };
        }
    };
    monitorService.messageProperty().addListener((oba, oldval, newval) -> {
        if (newval == null || newval.isEmpty())
            return;
        ObservableList<Data<String, Number>> seriesData = passBatchProcessSeries.getData();
        Data<String, Number> e = new Data<String, Number>(newval, Monitors.getActivedJavaProcessCount());
        e.setNode(new Rectangle(1, 1));
        seriesData.add(e);
        if (seriesData.size() > CHART_SHOWING_ITEM_COUNT) {
            seriesData.remove(0);
        }
    });
    monitorService.setOnSucceeded(ev -> {
        if (running.get()) {
            monitorService.restart();
            onTickTock();
        }
    });
    monitorService.start();
}

Example 17 with Task

use of javafx.concurrent.Task in project arquivoProject by fader-azevedo.

the class PdfViewerController method updateImage.

// *************** Background image loading ****************
private void updateImage(final int pageNumber) {
    final Task<ImageView> updateImageTask = new Task<ImageView>() {

        @Override
        protected ImageView call() throws Exception {
            PDFPage page = currentFile.get().getPage(pageNumber + 1);
            Rectangle2D bbox = page.getBBox();
            final double actualPageWidth = bbox.getWidth();
            final double actualPageHeight = bbox.getHeight();
            // record page dimensions for zoomToFit and zoomToWidth:
            currentPageDimensions = new PageDimensions(actualPageWidth, actualPageHeight);
            // width and height of image:
            final int width = (int) (actualPageWidth * zoom.get());
            final int height = (int) (actualPageHeight * zoom.get());
            // retrieve image for page:
            // width, height, clip, imageObserver, paintBackground, waitUntilLoaded:
            java.awt.Image awtImage = page.getImage(width, height, bbox, null, true, true);
            // draw image to buffered image:
            BufferedImage buffImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
            buffImage.createGraphics().drawImage(awtImage, 0, 0, null);
            // convert to JavaFX image:
            Image image = SwingFXUtils.toFXImage(buffImage, null);
            // wrap in image view and return:
            ImageView imageView = new ImageView(image);
            imageView.setPreserveRatio(true);
            return imageView;
        }
    };
    updateImageTask.setOnSucceeded(new EventHandler<WorkerStateEvent>() {

        @Override
        public void handle(WorkerStateEvent event) {
            pagination.getScene().getRoot().setDisable(false);
            currentImage.set(updateImageTask.getValue());
        }
    });
    updateImageTask.setOnFailed(new EventHandler<WorkerStateEvent>() {

        @Override
        public void handle(WorkerStateEvent event) {
            pagination.getScene().getRoot().setDisable(false);
            updateImageTask.getException().printStackTrace();
        }
    });
    pagination.getScene().getRoot().setDisable(true);
    imageLoadService.submit(updateImageTask);
}

Example 18 with Task

use of javafx.concurrent.Task in project arquivoProject by fader-azevedo.

the class PdfViewerController method loadFile.

public void loadFile(String caminho) {
    File file = new File(caminho);
    if (file != null) {
        final Task<PDFFile> loadFileTask = new Task<PDFFile>() {

            @Override
            protected PDFFile call() throws Exception {
                try (RandomAccessFile raf = new RandomAccessFile(file, "r");
                    FileChannel channel = raf.getChannel()) {
                    ByteBuffer buffer = channel.map(FileChannel.MapMode.READ_ONLY, 0, channel.size());
                    return new PDFFile(buffer);
                }
            }
        };
        loadFileTask.setOnSucceeded(new EventHandler<WorkerStateEvent>() {

            @Override
            public void handle(WorkerStateEvent event) {
                pagination.getScene().getRoot().setDisable(false);
                final PDFFile pdfFile = loadFileTask.getValue();
                currentFile.set(pdfFile);
            }
        });
        loadFileTask.setOnFailed(new EventHandler<WorkerStateEvent>() {

            @Override
            public void handle(WorkerStateEvent event) {
                pagination.getScene().getRoot().setDisable(false);
                showErrorMessage("Não é possivel ler " + file.getName(), loadFileTask.getException());
                btnZoomIn.setDisable(true);
                btnZoomOut.setDisable(true);
            }
        });
        imageLoadService.submit(loadFileTask);
    }
}

Example 19 with Task

use of javafx.concurrent.Task in project Gargoyle by callakrsos.

the class BaseInfoComposite method start.

/**
	 *
	 * 코드 분석 시작 처리.
	 * @작성자 : KYJ
	 * @작성일 : 2017. 2. 3.
	 */
public void start() {
    // 동적처리에 따라 API 함수 수정.
    FileUtil.consumeJavaParser(targetFile, cu -> {
        NameExpr name = cu.getPackage().getName();
        lblPackage.setText(name.toString());
        String importStatement = cu.getImports().stream().map(im -> im.getName().toString()).collect(Collectors.joining(","));
        lblImports.setText(importStatement);
        Service<Void> service = new Service<Void>() {

            @Override
            protected Task<Void> createTask() {
                return new Task<Void>() {

                    @Override
                    protected Void call() throws Exception {
                        new MethodVisitor(v -> {
                            methodData.add(v);
                        }).visit(cu, null);
                        return null;
                    }
                };
            }
        };
        service.start();
    }, err -> {
        LOGGER.error(ValueUtil.toString(err));
    });
}

Example 20 with Task

use of javafx.concurrent.Task in project trex-stateless-gui by cisco-system-traffic-generator.

the class ActivePGIDsService method createTask.

@Override
protected Task<Set<Integer>> createTask() {
    return new Task<Set<Integer>>() {

        @Override
        protected Set<Integer> call() {
            // TODO: remove when ConnectionManager.isConnected will be returns valid result
            if (ConnectionManager.getInstance().getApiH() == null) {
                return null;
            }
            Set<Integer> pgIDs = null;
            try {
                final ActivePGIdsRPCResult activePGIdsRPCResult = RPCCommands.getActivePGIds();
                final int[] flowStats = activePGIdsRPCResult.getIds().getFlowStats();
                final int[] latency = activePGIdsRPCResult.getIds().getLatency();
                pgIDs = new HashSet<>();
                for (final int pgID : flowStats) {
                    pgIDs.add(pgID);
                }
                for (final int pgID : latency) {
                    pgIDs.add(pgID);
                }
            } catch (Exception exc) {
                LOG.error("Failed to get active PGIDs", exc);
            }
            return pgIDs;
        }
    };
}