Examples with WITHDRAWN org.onosproject.net.intent.IntentState.WITHDRAWN used on opensource projects

Example 1 with WITHDRAWN

use of org.onosproject.net.intent.IntentState.WITHDRAWN in project onos by opennetworkinglab.

the class WipeOutCommand method wipeOutIntents.

private void wipeOutIntents() {
    print("Wiping intents");
    IntentService intentService = get(IntentService.class);
    Set<Key> keysToWithdrawn = Sets.newConcurrentHashSet();
    Set<Intent> intentsToWithdrawn = Tools.stream(intentService.getIntents()).filter(intent -> intentService.getIntentState(intent.key()) != WITHDRAWN).collect(Collectors.toSet());
    intentsToWithdrawn.stream().map(Intent::key).forEach(keysToWithdrawn::add);
    CompletableFuture<Void> completableFuture = new CompletableFuture<>();
    IntentListener listener = e -> {
        if (e.type() == IntentEvent.Type.WITHDRAWN) {
            keysToWithdrawn.remove(e.subject().key());
        }
        if (keysToWithdrawn.isEmpty()) {
            completableFuture.complete(null);
        }
    };
    intentService.addListener(listener);
    intentsToWithdrawn.forEach(intentService::withdraw);
    try {
        if (!intentsToWithdrawn.isEmpty()) {
            // Wait 1.5 seconds for each Intent
            completableFuture.get(intentsToWithdrawn.size() * 1500L, TimeUnit.MILLISECONDS);
        }
    } catch (InterruptedException | ExecutionException | TimeoutException e) {
        print("Encountered exception while withdrawing intents: " + e.toString());
    } finally {
        intentService.removeListener(listener);
    }
    intentsToWithdrawn.forEach(intentService::purge);
}