List of usage examples for javafx.concurrent Task getException
@Override
public final Throwable getException()
From source file:poe.trade.assist.Main.java
public void manualTaskRun(Search search) { String url = search.getUrl(); if (isNotBlank(url)) { Task<Search> task = new Task<Search>() { @Override/*from w w w . jav a 2 s . c om*/ protected Search call() throws Exception { String html = AutoSearchService.doDownload(search.getUrl(), search.getSort()); search.setHtml(html); search.parseHtml(); return search; } }; resultPane.progressIndicator.visibleProperty().unbind(); resultPane.progressIndicator.visibleProperty().bind(task.runningProperty()); task.setOnSucceeded(e -> { resultPane.setSearch(task.getValue()); // refreshResultColumn(); }); task.setOnFailed(e -> { Dialogs.showError(task.getException()); // refreshResultColumn(); }); new Thread(task).start(); } else { resultPane.setSearch(search); } }
From source file:snpviewer.SnpViewer.java
public void saveRegion(final String chromosome, final double startCoordinate, final double endCoordinate) { final Task<RegionSummary> saveSelectionTask = new Task<RegionSummary>() { @Override/*ww w .jav a2 s . co m*/ protected RegionSummary call() throws Exception { try { updateProgress(-1, -1); updateTitle("Finding flanking SNPs"); updateMessage("Searching for nearest SNP in all files..."); /* read SnpFiles to find closest SNPs - use binary search * to find nearby SNP and refine to closest */ List<SnpFile.SnpLine> startAndEndSnps = searchCoordinate(chromosome, (int) startCoordinate, (int) endCoordinate); if (startAndEndSnps == null) { System.out.println("Start and End SNPS ARE NULL!"); //DISPLAY ERROR HERE? return null; } RegionSummary region = new RegionSummary(chromosome, startAndEndSnps.get(0).getPosition(), startAndEndSnps.get(1).getPosition(), 0, 0, startAndEndSnps.get(0).getId(), startAndEndSnps.get(1).getId()); return region; } catch (NumberFormatException ex) { Dialogs.showErrorDialog(null, "Can't display flanking SNP IDs" + " - missing required componant!\n\nPlease report this error.", "Error!", "SNP Viewer", ex); } return null; } }; setProgressMode(true); progressBar.progressProperty().bind(saveSelectionTask.progressProperty()); progressMessage.textProperty().unbind(); progressMessage.textProperty().bind(saveSelectionTask.messageProperty()); progressTitle.textProperty().unbind(); progressTitle.textProperty().bind(saveSelectionTask.titleProperty()); saveSelectionTask.setOnSucceeded(new EventHandler<WorkerStateEvent>() { @Override public void handle(WorkerStateEvent e) { setProgressMode(false); RegionSummary result = (RegionSummary) e.getSource().getValue(); savedRegions.add(result); RegionSummary sorter = new RegionSummary(); sorter.mergeRegionsByPosition(savedRegions); saveProject(); clearDragSelectRectangle(); savedRegionsDisplay.clear(); savedRegionsReference.clear(); drawSavedRegions( (String) chromosomeBoxList[chromosomeSelector.getSelectionModel().getSelectedIndex()]); progressBar.progressProperty().unbind(); progressBar.progressProperty().set(0); progressTitle.textProperty().unbind(); progressMessage.textProperty().unbind(); progressTitle.setText(""); progressMessage.setText(""); } }); saveSelectionTask.setOnFailed(new EventHandler<WorkerStateEvent>() { @Override public void handle(WorkerStateEvent e) { setProgressMode(false); progressBar.progressProperty().unbind(); progressBar.progressProperty().set(0); progressTitle.textProperty().unbind(); progressMessage.textProperty().unbind(); progressTitle.setText(""); progressMessage.setText(""); Dialogs.showErrorDialog(null, "Error finding flanking SNPs\n", "Save Region error", "SNP Viewer", saveSelectionTask.getException()); } }); saveSelectionTask.setOnCancelled(new EventHandler<WorkerStateEvent>() { @Override public void handle(WorkerStateEvent e) { progressMessage.setText("Region write cancelled"); setProgressMode(false); progressBar.progressProperty().unbind(); progressBar.progressProperty().set(0); progressTitle.textProperty().unbind(); progressMessage.textProperty().unbind(); progressTitle.setText(""); progressMessage.setText(""); Dialogs.showErrorDialog(null, "User cancelled region save.", "Save Region", "SNP Viewer", saveSelectionTask.getException()); } }); cancelButton.setOnAction(new EventHandler<ActionEvent>() { @Override public void handle(ActionEvent actionEvent) { saveSelectionTask.cancel(); } }); new Thread(saveSelectionTask).start(); }
From source file:snpviewer.SnpViewer.java
public void displayFlankingSnpIDs(final String chrom, final double start, final double end) { final Task<List<String>> displayTask = new Task<List<String>>() { @Override/*from ww w . j a v a2 s .com*/ protected List<String> call() { updateProgress(-1, -1); updateTitle("Finding flanking SNPs"); updateMessage("Searching for nearest SNP in all files..."); //work out coordinates based on chromosome and pane sizes /* read SnpFiles to find closest SNPs - use binary search * to find nearby SNP and refine to closest */ List<SnpFile.SnpLine> startAndEndSnps = searchCoordinate(chrom, (int) start, (int) end); if (startAndEndSnps == null) { //DISPLAY ERROR HERE? return null; } String coordResult = "chr" + chrom + ":" + nf.format(startAndEndSnps.get(0).getPosition()) + "-" + nf.format(startAndEndSnps.get(1).getPosition()); String idResult = startAndEndSnps.get(0).getId() + ";" + startAndEndSnps.get(1).getId(); List<String> result = new ArrayList(); result.add(coordResult); result.add(idResult); return result; } }; setProgressMode(true); progressBar.progressProperty().bind(displayTask.progressProperty()); progressMessage.textProperty().unbind(); progressMessage.textProperty().bind(displayTask.messageProperty()); progressTitle.textProperty().unbind(); progressTitle.textProperty().bind(displayTask.titleProperty()); displayTask.setOnSucceeded(new EventHandler<WorkerStateEvent>() { @Override public void handle(WorkerStateEvent e) { setProgressMode(false); progressBar.progressProperty().unbind(); progressBar.progressProperty().set(0); progressTitle.textProperty().unbind(); progressMessage.textProperty().unbind(); progressTitle.setText(""); progressMessage.setText(""); } }); displayTask.setOnFailed(new EventHandler<WorkerStateEvent>() { @Override public void handle(WorkerStateEvent e) { setProgressMode(false); progressBar.progressProperty().unbind(); progressBar.progressProperty().set(0); progressTitle.textProperty().unbind(); progressMessage.textProperty().unbind(); progressTitle.setText(""); progressMessage.setText(""); Dialogs.showErrorDialog(null, "Error displaying flanking SNPs\n", "Display error", "SNP Viewer", displayTask.getException()); } }); displayTask.setOnCancelled(new EventHandler<WorkerStateEvent>() { @Override public void handle(WorkerStateEvent e) { progressMessage.setText("Display flanking SNPs cancelled"); setProgressMode(false); progressBar.progressProperty().unbind(); progressBar.progressProperty().set(0); progressTitle.textProperty().unbind(); progressMessage.textProperty().unbind(); progressTitle.setText(""); progressMessage.setText(""); Dialogs.showErrorDialog(null, "User cancelled display.", "Display error", "SNP Viewer", displayTask.getException()); } }); cancelButton.setOnAction(new EventHandler<ActionEvent>() { @Override public void handle(ActionEvent actionEvent) { displayTask.cancel(); } }); new Thread(displayTask).start(); try { List<String> result = displayTask.get(); FXMLLoader loader = new FXMLLoader(getClass().getResource("RegionReporter.fxml")); Stage stage = new Stage(); Pane page = (Pane) loader.load(); Scene scene = new Scene(page); stage.setScene(scene); stage.setTitle("SNP Viewer Region Summary"); stage.getIcons().add(new Image(this.getClass().getResourceAsStream("icon.png"))); RegionReporterController regionReporter = loader.<RegionReporterController>getController(); if (result == null) { regionReporter.setCoordinates("Error!"); regionReporter.setIds("Error!"); } else { regionReporter.setCoordinates(result.get(0)); regionReporter.setIds(result.get(1)); } scene.getStylesheets().add(SnpViewer.class.getResource("SnpViewerStyleSheet.css").toExternalForm()); stage.setResizable(false); stage.initModality(Modality.NONE); stage.show(); } catch (InterruptedException | ExecutionException | IOException ex) { Dialogs.showErrorDialog(null, "Can't display flanking SNP IDs" + " - exception caught!\n\nPlease report this error.", "Error!", "SNP Viewer", ex); } }
From source file:utilitybasedfx.MainGUIController.java
private void enableWorking(Task task) { btnImportSource.setDisable(true);// w ww .j a v a 2 s .c o m btnImportCompiled.setDisable(true); btnCompileFromSource.setDisable(true); btnGenerate.setDisable(true); lblWorking.setVisible(true); barWorking.setVisible(true); lblWorkingTask.setVisible(true); lblWorkingTask.textProperty().bind(task.messageProperty()); barWorking.progressProperty().bind(task.progressProperty()); task.stateProperty().addListener(new ChangeListener<Worker.State>() { @Override public void changed(ObservableValue<? extends Worker.State> observableValue, Worker.State oldState, Worker.State newState) { if (newState == Worker.State.SUCCEEDED) { disableWorking(); } else if (newState == Worker.State.FAILED) { disableWorking(); //Utils.stackErrorDialog((Exception)task.getException()); task.getException().printStackTrace(); Alert alert = new Alert(AlertType.ERROR); alert.setTitle("There was an error"); alert.setHeaderText("There was some kind of error while trying to do the current task"); alert.setContentText(task.getException().toString()); alert.showAndWait(); } } }); new Thread(task).start(); }