Examples with ScheduledTask org.spongepowered.api.scheduler.ScheduledTask used on opensource projects

Example 1 with ScheduledTask

use of org.spongepowered.api.scheduler.ScheduledTask in project SpongeCommon by SpongePowered.

the class AsyncScheduler method close.

public void close() {
    this.running = false;
    // Cancel all tasks
    final Set<ScheduledTask> tasks = this.tasks();
    tasks.forEach(ScheduledTask::cancel);
    // Shut down the executor
    this.executor.shutdown();
    try {
        if (!this.executor.awaitTermination(5, TimeUnit.SECONDS)) {
            new PrettyPrinter().add("Sponge async scheduler failed to shut down in 5 seconds! Tasks that may have been active:").addWithIndices(tasks).add().add("We will now attempt immediate shutdown.").log(SpongeCommon.logger(), Level.WARN);
            this.executor.shutdownNow();
        }
    } catch (final InterruptedException e) {
        SpongeCommon.logger().error("The async scheduler was interrupted while awaiting shutdown!");
    }
}

Example 2 with ScheduledTask

use of org.spongepowered.api.scheduler.ScheduledTask in project SpongeCommon by SpongePowered.

the class SpongeScheduler method findTasks.

@Override
public Set<ScheduledTask> findTasks(final String pattern) {
    final Pattern searchPattern = Pattern.compile(Objects.requireNonNull(pattern, "pattern"));
    final Set<ScheduledTask> matchingTasks = this.tasks();
    final Iterator<ScheduledTask> it = matchingTasks.iterator();
    while (it.hasNext()) {
        final Matcher matcher = searchPattern.matcher(it.next().name());
        if (!matcher.matches()) {
            it.remove();
        }
    }
    return matchingTasks;
}

Example 3 with ScheduledTask

use of org.spongepowered.api.scheduler.ScheduledTask in project SpongeCommon by SpongePowered.

the class AsyncScheduler method recalibrateMinimumTimeout.

private void recalibrateMinimumTimeout() {
    this.lock.lock();
    try {
        final Set<ScheduledTask> tasks = this.tasks();
        this.minimumTimeout = Long.MAX_VALUE;
        final long now = System.nanoTime();
        for (final ScheduledTask tmpTask : tasks) {
            final SpongeScheduledTask task = (SpongeScheduledTask) tmpTask;
            if (task.state() == SpongeScheduledTask.ScheduledTaskState.EXECUTING) {
                // bail out for this task. We'll signal when we complete the task.
                continue;
            }
            // tasks cause the scheduler to process pending tasks.
            if (task.task.delay == 0 && task.task.interval == 0) {
                this.minimumTimeout = 0;
            }
            // The time since the task last executed or was added to the map
            final long timeSinceLast = now - task.timestamp();
            if (task.task.delay > 0 && task.state() == SpongeScheduledTask.ScheduledTaskState.WAITING) {
                // There is an delay and the task hasn't run yet
                this.minimumTimeout = Math.min(task.task.delay - timeSinceLast, this.minimumTimeout);
            }
            if (task.task.interval > 0 && task.state().isActive) {
                // The task repeats and has run after the initial delay
                this.minimumTimeout = Math.min(task.task.interval - timeSinceLast, this.minimumTimeout);
            }
            if (this.minimumTimeout <= 0) {
                break;
            }
        }
        if (!tasks.isEmpty()) {
            final long latency = System.nanoTime() - this.lastProcessingTimestamp;
            this.minimumTimeout -= (latency <= 0) ? 0 : latency;
            this.minimumTimeout = (this.minimumTimeout < 0) ? 0 : this.minimumTimeout;
        }
    } finally {
        this.lock.unlock();
    }
}

Example 4 with ScheduledTask

use of org.spongepowered.api.scheduler.ScheduledTask in project SpongeCommon by SpongePowered.

the class SpongeTaskExecutorService method scheduleAtFixedRate.

@Override
public ScheduledTaskFuture<?> scheduleAtFixedRate(final Runnable command, final long initialDelay, final long period, final TemporalUnit unit) {
    final RepeatableFutureTask<?> runnable = new RepeatableFutureTask<>(command);
    final Task task = this.createTask(runnable).delay(initialDelay, unit).interval(period, unit).build();
    final SpongeScheduledTask scheduledTask = this.submitTask(task);
    // A repeatable task needs to be able to cancel itself
    runnable.setTask(scheduledTask);
    return new SpongeScheduledFuture<>(runnable, scheduledTask, this.scheduler);
}

Example 5 with ScheduledTask

use of org.spongepowered.api.scheduler.ScheduledTask in project SpongeCommon by SpongePowered.

the class SpongeTaskExecutorService method scheduleAtFixedRate.

@Override
public ScheduledTaskFuture<?> scheduleAtFixedRate(final Runnable command, final long initialDelay, final long period, final TimeUnit unit) {
    final RepeatableFutureTask<?> runnable = new RepeatableFutureTask<>(command);
    final Task task = this.createTask(runnable).delay(initialDelay, unit).interval(period, unit).build();
    final SpongeScheduledTask scheduledTask = this.submitTask(task);
    // A repeatable task needs to be able to cancel itself
    runnable.setTask(scheduledTask);
    return new SpongeScheduledFuture<>(runnable, scheduledTask, this.scheduler);
}