Examples of Fiber

co.paralleluniverse.fibers.Fiber
A lightweight thread.
There are two ways to create a new fiber: either subclass the {@code Fiber} class and override the {@code run} method,or pass the code to be executed in the fiber as the {@code target} parameter to the constructor. All in all, the Fiber APIresembles the {@link Thread} class in many ways.
A fiber runs inside a ForkJoinPool.
A Fiber can be serialized if it's not running and all involved classes and data types are also {@link Serializable}.
A new Fiber occupies under 400 bytes of memory (when using the default stack size, and compressed OOPs are turned on, as they are by default). @param < V> The type of the fiber's result value. Should be set to {@link Void} if no value is to be returned by the fiber. @author pron
com.sun.xml.internal.ws.api.pipe.Fiber
User-level thread. Represents the execution of one request/response processing.
JAX-WS RI is capable of running a large number of request/response concurrently by using a relatively small number of threads. This is made possible by utilizing a {@link Fiber} — a user-level thread that gets created for each request/responseprocessing.
A fiber remembers where in the pipeline the processing is at, what needs to be executed on the way out (when processing response), and other additional information specific to the execution of a particular request/response.
Suspend/Resume

Fiber can be {@link NextAction#suspend() suspended} by a {@link Tube}. When a fiber is suspended, it will be kept on the side until it is {@link #resume(Packet) resumed}. This allows threads to go execute other runnable fibers, allowing efficient utilization of smaller number of threads.
Context-switch Interception

{@link FiberContextSwitchInterceptor} allows {@link Tube}s and {@link Adapter}s to perform additional processing every time a thread starts running a fiber and stops running it.
Context ClassLoader

Just like thread, a fiber has a context class loader (CCL.) A fiber's CCL becomes the thread's CCL when it's executing the fiber. The original CCL of the thread will be restored when the thread leaves the fiber execution.
Debugging Aid

Because {@link Fiber} doesn't keep much in the call stack, and instead use{@link #conts} to store the continuation, debugging fiber related activitiescould be harder.
Setting the {@link #LOGGER} for FINE would give you basic start/stop/resume/suspendlevel logging. Using FINER would cause more detailed logging, which includes what tubes are executed in what order and how they behaved.
When you debug the server side, consider setting {@link Fiber#serializeExecution}to true, so that execution of fibers are serialized. Debugging a server with more than one running threads is very tricky, and this switch will prevent that. This can be also enabled by setting the system property on. See the source code. @author Kohsuke Kawaguchi @author Jitendra Kotamraju
com.sun.xml.ws.api.pipe.Fiber
User-level thread. Represents the execution of one request/response processing.
JAX-WS RI is capable of running a large number of request/response concurrently by using a relatively small number of threads. This is made possible by utilizing a {@link Fiber} — a user-level thread that gets created for each request/responseprocessing.
A fiber remembers where in the pipeline the processing is at, what needs to be executed on the way out (when processing response), and other additional information specific to the execution of a particular request/response.
Suspend/Resume

Fiber can be {@link NextAction#suspend() suspended} by a {@link Tube}. When a fiber is suspended, it will be kept on the side until it is {@link #resume(Packet) resumed}. This allows threads to go execute other runnable fibers, allowing efficient utilization of smaller number of threads.
Context-switch Interception

{@link FiberContextSwitchInterceptor} allows {@link Tube}s and {@link Adapter}s to perform additional processing every time a thread starts running a fiber and stops running it.
Context ClassLoader

Just like thread, a fiber has a context class loader (CCL.) A fiber's CCL becomes the thread's CCL when it's executing the fiber. The original CCL of the thread will be restored when the thread leaves the fiber execution.
Debugging Aid

Because {@link Fiber} doesn't keep much in the call stack, and instead use{@link #conts} to store the continuation, debugging fiber related activitiescould be harder.
Setting the {@link #LOGGER} for FINE would give you basic start/stop/resume/suspendlevel logging. Using FINER would cause more detailed logging, which includes what tubes are executed in what order and how they behaved.
When you debug the server side, consider setting {@link Fiber#serializeExecution}to true, so that execution of fibers are serialized. Debugging a server with more than one running threads is very tricky, and this switch will prevent that. This can be also enabled by setting the system property on. See the source code. @author Kohsuke Kawaguchi @author Jitendra Kotamraju
org.jetlang.fibers.Fiber

Examples of co.paralleluniverse.fibers.Fiber

    public void testSelectSendWithClose1() throws Exception {
        final Channel<String> channel1 = newChannel();
        final Channel<String> channel2 = newChannel();
        final Channel<String> channel3 = newChannel();


        Fiber fib = new Fiber("fiber", scheduler, new SuspendableRunnable() {
            @Override
            public void run() throws SuspendExecution, InterruptedException {
                SelectAction<String> sa1 = select(
                        send(channel1, "hi1"),
                        send(channel2, "hi2"),
                        send(channel3, "hi3"));


                SelectAction<String> sa2 = select(
                        send(channel1, "hi1"),
                        send(channel2, "hi2"),
                        send(channel3, "hi3"));


                assertThat(sa1.index(), is(1));
                assertThat(sa2.index(), is(1));
            }
        }).start();


        Thread.sleep(200);


        channel2.close();


        fib.join();
    }

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Examples of co.paralleluniverse.fibers.Fiber

    public void testSelectSendWithClose2() throws Exception {
        final Channel<String> channel1 = newChannel();
        final Channel<String> channel2 = newChannel();
        final Channel<String> channel3 = newChannel();


        Fiber fib = new Fiber("fiber", scheduler, new SuspendableRunnable() {
            @Override
            public void run() throws SuspendExecution, InterruptedException {
                Strand.sleep(200);
                SelectAction<String> sa1 = select(
                        send(channel1, "hi1"),
                        send(channel2, "hi2"),
                        send(channel3, "hi3"));


                Strand.sleep(200);
                SelectAction<String> sa2 = select(
                        send(channel1, "hi1"),
                        send(channel2, "hi2"),
                        send(channel3, "hi3"));


                assertThat(sa1.index(), is(1));
                assertThat(sa2.index(), is(1));
            }
        }).start();




        channel2.close();


        fib.join();
    }

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Examples of co.paralleluniverse.fibers.Fiber

    public void testSelectSendTimeout() throws Exception {
        final Channel<String> channel1 = newChannel();
        final Channel<String> channel2 = newChannel();
        final Channel<String> channel3 = newChannel();


        Fiber fib = new Fiber("fiber", scheduler, new SuspendableRunnable() {
            @Override
            public void run() throws SuspendExecution, InterruptedException {
                SelectAction<String> sa1 = select(1, TimeUnit.MILLISECONDS,
                        send(channel1, "hi1"),
                        send(channel2, "hi2"),
                        send(channel3, "hi3"));


                SelectAction<String> sa2 = select(300, TimeUnit.MILLISECONDS,
                        send(channel1, "bye1"),
                        send(channel2, "bye2"),
                        send(channel3, "bye3"));


                assertThat(sa1, is(nullValue()));
                assertThat(sa2.index(), is(2));
            }
        }).start();


        Thread.sleep(200);


        String m1 = channel3.receive();


        assertThat(m1, equalTo("bye3")); // the first send is cancelled


        fib.join();
    }

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Examples of co.paralleluniverse.fibers.Fiber

    public void testSelectSendWithTimeoutChannel() throws Exception {
        final Channel<String> channel1 = newChannel();
        final Channel<String> channel2 = newChannel();
        final Channel<String> channel3 = newChannel();


        Fiber fib = new Fiber("fiber", scheduler, new SuspendableRunnable() {
            @Override
            public void run() throws SuspendExecution, InterruptedException {
                SelectAction<String> sa1 = select(
                        send(channel1, "hi1"),
                        send(channel2, "hi2"),
                        send(channel3, "hi3"),
                        receive(TimeoutChannel.<String>timeout(1, TimeUnit.MILLISECONDS)));


                SelectAction<String> sa2 = select(
                        send(channel1, "bye1"),
                        send(channel2, "bye2"),
                        send(channel3, "bye3"),
                        receive(TimeoutChannel.<String>timeout(300, TimeUnit.MILLISECONDS)));


                assertThat(sa1.index(), is(3));
                assertThat(sa2.index(), is(2));
            }
        }).start();


        Thread.sleep(200);


        String m1 = channel3.receive();


        assertThat(m1, equalTo("bye3")); // the first send is cancelled


        fib.join();
    }

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Examples of co.paralleluniverse.fibers.Fiber

        return Channels.newChannel(mailboxSize, policy, singleProducer, singleConsumer);
    }


    void spawn(SuspendableRunnable r) {
        if (fiber)
            new Fiber(scheduler, r).start();
        else
            new Thread(Strand.toRunnable(r)).start();
    }

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Examples of co.paralleluniverse.fibers.Fiber

            throw new IllegalStateException("A strand can only be cloned after death. " + strand + " isn't dead.");
        if (strand instanceof FiberStrand)
            return clone((Fiber) strand.getUnderlying(), target);


        if (strand instanceof Fiber)
            return new Fiber((Fiber) strand, target);
        else
            return ThreadStrand.get(cloneThread((Thread) strand.getUnderlying(), toRunnable(target)));
    }

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Examples of co.paralleluniverse.fibers.Fiber

            throw new IllegalStateException("A strand can only be cloned after death. " + strand + " isn't dead.");
        if (strand instanceof FiberStrand)
            return clone((Fiber) strand.getUnderlying(), target);


        if (strand instanceof Fiber)
            return new Fiber((Fiber) strand, target);
        else
            return ThreadStrand.get(cloneThread((Thread) strand.getUnderlying(), toRunnable(target)));
    }

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Examples of co.paralleluniverse.fibers.Fiber


        int i = 1;


        for (; i < 50; i++)
            sch.send(i);
        Fiber f1 = new Fiber(scheduler, run).start();
        Thread t1 = new Thread(Strand.toRunnable(run));
        t1.start();
        for (; i < 200; i++)
            sch.send(i);
        Fiber f2 = new Fiber(scheduler, run).start();
        Thread t2 = new Thread(Strand.toRunnable(run));
        t2.start();
        for (; i < 600; i++)
            sch.send(i);
        Fiber f3 = new Fiber(scheduler, run).start();
        Thread t3 = new Thread(Strand.toRunnable(run));
        t3.start();
        for (; i < 800; i++)
            sch.send(i);
        Fiber f4 = new Fiber(scheduler, run).start();
        Thread t4 = new Thread(Strand.toRunnable(run));
        t4.start();
        for (; i < 2000; i++)
            sch.send(i);


        sch.close();
        System.out.println("done send");


        Debug.dumpAfter(5000, "ticker.log");
        f1.join();
        System.out.println("f1: " + f1);
        f2.join();
        System.out.println("f2: " + f2);
        f3.join();
        System.out.println("f3: " + f3);
        f4.join();
        System.out.println("f4: " + f4);
        t1.join();
        System.out.println("t1: " + t1);
        t2.join();
        System.out.println("t2: " + t2);

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Examples of com.sun.xml.internal.ws.api.pipe.Fiber

        configureRequestPacket(packet, requestContext);
        Pool<Tube> pool = tubes;
        if (pool == null)
            throw new WebServiceException("close method has already been invoked"); // TODO: i18n


        Fiber fiber = engine.createFiber();
        // then send it away!
        Tube tube = pool.take();


        try {
            return fiber.runSync(tube, packet);
        } finally {
            // this allows us to capture the packet even when the call failed with an exception.
            // when the call fails with an exception it's no longer a 'reply' but it may provide some information
            // about what went wrong.


            // note that Packet can still be updated after
            // ResponseContext is created.
            Packet reply = (fiber.getPacket() == null) ? packet : fiber.getPacket();
            receiver.setResponseContext(new ResponseContext(reply));


            pool.recycle(tube);
        }
    }

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Examples of com.sun.xml.internal.ws.api.pipe.Fiber


        final Pool<Tube> pool = tubes;
        if (pool == null)
            throw new WebServiceException("close method has already been invoked"); // TODO: i18n


        Fiber fiber = engine.createFiber();
        // then send it away!
        final Tube tube = pool.take();
        fiber.start(tube, request, new Fiber.CompletionCallback() {
            public void onCompletion(@NotNull Packet response) {
                pool.recycle(tube);
                completionCallback.onCompletion(response);
            }
            public void onCompletion(@NotNull Throwable error) {

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Examples of Fiber

Suspend/Resume

Context-switch Interception

Context ClassLoader

Debugging Aid

Suspend/Resume

Context-switch Interception

Context ClassLoader

Debugging Aid

Examples of co.paralleluniverse.fibers.Fiber

Examples of co.paralleluniverse.fibers.Fiber

Examples of co.paralleluniverse.fibers.Fiber

Examples of co.paralleluniverse.fibers.Fiber

Examples of co.paralleluniverse.fibers.Fiber

Examples of co.paralleluniverse.fibers.Fiber

Examples of co.paralleluniverse.fibers.Fiber

Examples of co.paralleluniverse.fibers.Fiber

Examples of com.sun.xml.internal.ws.api.pipe.Fiber

Examples of com.sun.xml.internal.ws.api.pipe.Fiber