Example usage for javafx.concurrent Task Task

Introduction

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

Prototype

public Task() 

Source Link

Document

Creates a new Task.

Usage

From source file:Main.java

public static void runTaskLater(Runnable runnable) {
    Task task = new Task() {
        @Override//from  w  ww  .  j  av  a2s.  c o  m
        protected Object call() throws Exception {
            runnable.run();
            return null;
        }
    };

    new Thread(task).start();

}

---

From source file:Main.java

@Override
public void start(Stage stage) {
    Group root = new Group();
    Scene scene = new Scene(root, 300, 150);
    stage.setScene(scene);/* ww  w  .  j  a  va 2 s. co  m*/
    stage.setTitle("Sample");

    Task<Void> task = new Task<Void>() {
        @Override
        protected Void call() throws Exception {
            return null;
        }
    };

    task.run();
    System.out.println(task.getMessage());

    stage.show();
}

---

From source file:Main.java

@Override
public void start(Stage stage) {
    Group root = new Group();
    Scene scene = new Scene(root, 300, 150);
    stage.setScene(scene);//from w w w .j  av  a2 s . c  o m
    stage.setTitle("Sample");

    Task<Integer> task = new Task<Integer>() {
        @Override
        protected Integer call() throws Exception {
            int iterations;
            for (iterations = 0; iterations < 100000; iterations++) {
                if (isCancelled()) {
                    break;
                }
                System.out.println("Iteration " + iterations);
            }
            return iterations;
        }
    };

    task.run();

    //  root.getChildren().add(t);

    stage.show();
}

---

From source file:Main.java

@Override
public void start(Stage stage) {
    Group root = new Group();
    Scene scene = new Scene(root, 300, 150);
    stage.setScene(scene);/*  w  ww. j  a v a2  s  .c  om*/
    stage.setTitle("Sample");

    Task<Integer> task = new Task<Integer>() {
        @Override
        protected Integer call() throws Exception {
            int iterations;
            for (iterations = 0; iterations < 10000000; iterations++) {
                if (isCancelled()) {
                    updateMessage("Cancelled");
                    break;
                }
                updateMessage("Iteration " + iterations);
                updateProgress(iterations, 10000000);
            }
            return iterations;
        }
    };

    task.run();
    System.out.println(task.getMessage());
    //  root.getChildren().add(t);

    stage.show();
}

---

From source file:Main.java

@Override
public void start(Stage stage) {
    Group root = new Group();
    Scene scene = new Scene(root, 300, 150);
    stage.setScene(scene);/*from www. ja  va  2  s .  c o m*/
    stage.setTitle("Sample");

    Task<Integer> task = new Task<Integer>() {
        @Override
        protected Integer call() throws Exception {
            int iterations;
            for (iterations = 0; iterations < 10; iterations++) {
                if (isCancelled()) {
                    updateMessage("Cancelled");
                    break;
                }
                updateMessage("Iteration " + iterations);
                updateProgress(iterations, 1000);

                try {
                    Thread.sleep(100);
                } catch (InterruptedException interrupted) {
                    if (isCancelled()) {
                        updateMessage("Cancelled");
                        break;
                    }
                }
            }
            return iterations;
        }
    };

    task.run();
    System.out.println(task.getMessage());
    //  root.getChildren().add(t);

    stage.show();
}

---

From source file:Main.java

@Override
public void start(Stage stage) {
    Group root = new Group();
    Scene scene = new Scene(root, 300, 150);
    stage.setScene(scene);//from  ww w.  ja v a2 s  .c  o  m
    stage.setTitle("Sample");

    final int totalIterations = 90;
    Task<Integer> task = new Task<Integer>() {
        @Override
        protected Integer call() throws Exception {
            int iterations;
            for (iterations = 0; iterations < totalIterations; iterations++) {
                if (isCancelled()) {
                    updateMessage("Cancelled");
                    break;
                }
                updateMessage("Iteration " + iterations);
                updateProgress(iterations, totalIterations);
            }
            return iterations;
        }
    };

    task.run();
    System.out.println(task.getMessage());
    //  root.getChildren().add(t);

    stage.show();
}

---

From source file:Main.java

@Override
public void start(Stage stage) {
    final Group group = new Group();
    Scene scene = new Scene(group, 300, 150);
    stage.setScene(scene);/* w  w w . j  ava2s  . co m*/
    stage.setTitle("Sample");

    Task<Void> task = new Task<Void>() {
        @Override
        protected Void call() throws Exception {
            for (int i = 0; i < 10; i++) {
                if (isCancelled())
                    break;
                final Rectangle r = new Rectangle(10, 10);
                r.setX(10 * i + i);
                Platform.runLater(new Runnable() {
                    @Override
                    public void run() {
                        group.getChildren().add(r);
                    }
                });
            }
            return null;
        }
    };
    task.run();
    System.out.println(task.getMessage());

    stage.show();
}

---

From source file:Main.java

@Override
public void start(Stage stage) {
    Group root = new Group();
    Scene scene = new Scene(root, 300, 150);
    stage.setScene(scene);//from www  . j a va 2  s.  c  o m
    stage.setTitle("Sample");

    Task<ObservableList<String>> task = new Task<ObservableList<String>>() {
        @Override
        protected ObservableList<String> call() throws Exception {
            updateMessage("message");
            ObservableList<String> results = FXCollections.observableArrayList();
            for (int i = 0; i < 10; i++) {
                if (isCancelled())
                    break;
                results.add("");
                updateProgress(i, 100);
            }
            return results;
        }
    };
    task.run();
    System.out.println(task.getMessage());

    stage.show();
}

---

From source file:Main.java

@Override
public void start(Stage stage) {
    final Group group = new Group();
    Scene scene = new Scene(group, 300, 150);
    stage.setScene(scene);//from w  w  w  .  j a v a2 s. c  o m
    stage.setTitle("Sample");
    Task<Integer> task = new Task<Integer>() {
        @Override
        protected Integer call() throws Exception {
            int iterations = 0;
            for (iterations = 0; iterations < 10; iterations++) {
                if (isCancelled()) {
                    break;
                }
                System.out.println("Iteration " + iterations);
            }
            return iterations;
        }

        @Override
        protected void succeeded() {
            super.succeeded();
            updateMessage("Done!");
        }

        @Override
        protected void cancelled() {
            super.cancelled();
            updateMessage("Cancelled!");
        }

        @Override
        protected void failed() {
            super.failed();
            updateMessage("Failed!");
        }
    };
    task.run();
    System.out.println(task.getMessage());

    stage.show();
}

---

From source file:Main.java

private Task createWorker(final int numFiles) {
    return new Task() {
        @Override/*from w  ww .j a v  a2 s .  c o  m*/
        protected Object call() throws Exception {
            for (int i = 0; i < numFiles; i++) {
                long elapsedTime = System.currentTimeMillis();

                Thread.sleep(1 * 1000);

                elapsedTime = System.currentTimeMillis() - elapsedTime;
                String status = elapsedTime + " milliseconds";

                updateMessage(status);
                updateProgress(i + 1, numFiles);
            }
            return true;
        }
    };
}

---

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