com.puresoltechnologies.javafx.tasks.FXTasks Maven / Gradle / Ivy
package com.puresoltechnologies.javafx.tasks;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Future;
import com.puresoltechnologies.javafx.reactive.MessageBroker;
import com.puresoltechnologies.javafx.utils.FXThreads;
import javafx.concurrent.Task;
import javafx.concurrent.Worker.State;
import javafx.scene.image.Image;
public class FXTasks {
private static final List> runningTasks = new ArrayList<>();
public static Future run(Task task) {
TaskInfo taskInfo = new TaskInfo(task);
return run(task, taskInfo);
}
public static Future run(Task task, Image image) {
TaskInfo taskInfo = new TaskInfo(task, image);
return run(task, taskInfo);
}
private static Future run(Task task, TaskInfo taskInfo) {
MessageBroker broker = MessageBroker.getBroker();
broker.publish(TasksTopics.TASK_STATUS_UPDATE, taskInfo);
task.stateProperty().addListener((observable, oldValue, newValue) -> {
broker.publish(TasksTopics.TASK_STATUS_UPDATE, taskInfo);
});
task.progressProperty().addListener((observable, oldValue, newValue) -> {
broker.publish(TasksTopics.TASK_STATUS_UPDATE, taskInfo);
});
registerNewTask(task);
return FXThreads.runAsync(task);
}
private static void registerNewTask(Task task) {
synchronized (runningTasks) {
runningTasks.add(task);
MessageBroker.getBroker().publish(TasksTopics.TASKS_SUMMARY, new TasksSummery(runningTasks.size(), 0.5));
task.progressProperty().addListener((observalble, oldValue, newValue) -> {
sendSummaryUpdate();
});
task.stateProperty().addListener((observalble, oldValue, newValue) -> {
if ((newValue == State.SUCCEEDED) || (newValue == State.FAILED) || (newValue == State.CANCELLED)) {
runningTasks.remove(task);
}
sendSummaryUpdate();
});
}
}
private static void sendSummaryUpdate() {
double totalProgress = 0.0;
for (Task task : runningTasks) {
totalProgress += task.getProgress();
}
totalProgress /= runningTasks.size() > 0 ? runningTasks.size() : 1.0;
MessageBroker.getBroker().publish(TasksTopics.TASKS_SUMMARY,
new TasksSummery(runningTasks.size(), totalProgress));
}
}