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TaskManager.java
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TaskManager.java
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package core.task;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import core.task.TaskFactory.Task;
public class TaskManager {
/*
* Note: The pool size _must_ remain 1 to keep synchronization proper.
*/
private static ScheduledThreadPoolExecutor scheduledExecutor = (ScheduledThreadPoolExecutor) Executors
.newScheduledThreadPool(1);
public static Future<?> registerClientTask(Task task, int delay) {
Future<?> taskFuture = TaskManager.scheduledExecutor.schedule(task,
delay, TimeUnit.SECONDS);
if (!task.isGlobal())
task.getClient().setCurrentTask(taskFuture);
return taskFuture;
}
public static Future<?> registerDelayedTask(Runnable task, int delay,
TimeUnit unit) {
return TaskManager.scheduledExecutor.schedule(task, delay, unit);
}
public static Future<?> scheduleTask(Runnable task, int delay, int rate,
TimeUnit unit) {
return TaskManager.scheduledExecutor.scheduleWithFixedDelay(task,
delay, rate, unit);
}
}