Examples of co.paralleluniverse.actors.ActorRef

co.paralleluniverse.actors.ActorRef
@author pron

        boolean handled = false;
        try {
            if (m instanceof ExitMessage) {
                final ExitMessage death = (ExitMessage) m;
                if (death.getWatch() != null) {
                    final ActorRef actor = death.actor;
                    final ChildEntry child = findEntry(actor);


                    if (child != null) {
                        log().info("Detected child death: " + child + ". cause: ", death.cause);
                        if (!restartStrategy.onChildDeath(this, child, death.cause)) {

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                    return true;
                }
            // fall through
            case PERMANENT:
                log().info("Supervisor trying to restart child {}. (cause: {})", child, cause);
                final ActorRef actor = child.actor;
                shutdownChild(child, true);
                child.restartHistory.addRestart(now);
                final int numRestarts = child.restartHistory.numRestarts(now - child.spec.unit.toMillis(child.spec.duration));
                if (log().isDebugEnabled())
                    log().debug("Child {} has been restarted {} times in the last {} {}s", child, numRestarts, child.spec.duration, child.spec.unit);

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                throw new AssertionError();
        }
    }


    private ActorRef<?> start(ChildEntry child) {
        final ActorRef old = child.actor;
        if (old != null && !LocalActor.isDone(old))
            throw new IllegalStateException("Actor " + child.actor + " cannot be restarted because it is not dead");


        final Actor actor = child.spec.builder.build();
        if (actor.getName() == null && child.spec.id != null)

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            child.actor = null;
        }
    }


    private boolean joinChild(ChildEntry child) throws InterruptedException {
        final ActorRef actor = child.actor;


        log().debug("Joining child {}", child);
        if (child.actor != null) {
            try {
                LocalActor.join(actor, child.spec.shutdownDeadline, TimeUnit.MILLISECONDS);

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    public static void replyError(RequestMessage<?> req, Throwable e) throws SuspendExecution {
        req.getFrom().send(new ErrorResponseMessage(req.getId(), e));
    }


    private static ActorRef getCurrentActor() {
        ActorRef actorRef = LocalActor.self();
        if (actorRef == null) {
            // create a "dummy actor" on the current strand
            Actor actor = new Actor(Strand.currentStrand(), null, new MailboxConfig(5, OverflowPolicy.THROW)) {
                @Override
                protected Object doRun() throws InterruptedException, SuspendExecution {

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            this.actor = null;
            this.done = true;
        }


        private ActorRef getActor() {
            ActorRef a = null;
            if (actor != null)
                a = actor.get().ref();
            return a;
        }

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                a = actor.get().ref();
            return a;
        }


        private ActorRef actor() {
            final ActorRef a = getActor();
            if (a == null)
                throw new RuntimeException("Temporary actor is out of scope");
            return a;
        }

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            return actor().getName();
        }


        @Override
        public void interrupt() {
            final ActorRef a = getActor();
            if (a != null)
                a.interrupt();
        }

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                a.interrupt();
        }


        @Override
        public void send(Message message) throws SuspendExecution {
            final ActorRef a = getActor();
            if (a != null)
                a.send(message);
        }

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                a.send(message);
        }


        @Override
        public void sendSync(Message message) throws SuspendExecution {
            final ActorRef a = getActor();
            if (a != null)
                a.sendSync(message);
        }

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