Examples of FutureCallback

com.droidkit.actors.concurrency.FutureCallback
Created by ex3ndr on 14.09.14.
com.google.common.util.concurrent.FutureCallback
A callback for accepting the results of a {@link java.util.concurrent.Future}computation asynchronously.
To attach to a {@link ListenableFuture} use {@link Futures#addCallback}. @author Anthony Zana @since 10.0
org.axonframework.commandhandling.callbacks.FutureCallback
Command Handler Callback that allows the dispatching thread to wait for the result of the callback, using the Future mechanism. This callback allows the caller to synchronize calls when an asynchronous command bus is being used. @param < R> the type of result of the command handling @author Allard Buijze @since 0.6
org.eclipse.jetty.util.FutureCallback

Examples of org.eclipse.jetty.util.FutureCallback

    {
        ByteArrayEndPoint endp = new ByteArrayEndPoint(_scheduler, 5000);
        endp.setInput("test input");


        ByteBuffer buffer = BufferUtil.allocate(1024);
        FutureCallback fcb = new FutureCallback();


        endp.fillInterested(fcb);
        assertTrue(fcb.isDone());
        assertEquals(null, fcb.get());
        assertEquals(10, endp.fill(buffer));
        assertEquals("test input", BufferUtil.toString(buffer));


        fcb = new FutureCallback();
        endp.fillInterested(fcb);
        assertFalse(fcb.isDone());
        assertEquals(0, endp.fill(buffer));


        endp.setInput(" more");
        assertTrue(fcb.isDone());
        assertEquals(null, fcb.get());
        assertEquals(5, endp.fill(buffer));
        assertEquals("test input more", BufferUtil.toString(buffer));


        fcb = new FutureCallback();
        endp.fillInterested(fcb);
        assertFalse(fcb.isDone());
        assertEquals(0, endp.fill(buffer));


        endp.setInput((ByteBuffer)null);
        assertTrue(fcb.isDone());
        assertEquals(null, fcb.get());
        assertEquals(-1, endp.fill(buffer));


        fcb = new FutureCallback();
        endp.fillInterested(fcb);
        assertTrue(fcb.isDone());
        assertEquals(null, fcb.get());
        assertEquals(-1, endp.fill(buffer));


        endp.close();


        fcb = new FutureCallback();
        endp.fillInterested(fcb);
        assertTrue(fcb.isDone());
        try
        {
            fcb.get();
            fail();
        }
        catch (ExecutionException e)
        {
            assertThat(e.toString(), containsString("Closed"));

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Examples of org.eclipse.jetty.util.FutureCallback

        endp.setOutput(BufferUtil.allocate(10));


        ByteBuffer data = BufferUtil.toBuffer("Data.");
        ByteBuffer more = BufferUtil.toBuffer(" Some more.");


        FutureCallback fcb = new FutureCallback();
        endp.write( fcb, data);
        assertTrue(fcb.isDone());
        assertEquals(null, fcb.get());
        assertEquals("Data.", endp.getOutputString());


        fcb = new FutureCallback();
        endp.write(fcb, more);
        assertFalse(fcb.isDone());


        assertEquals("Data. Some", endp.getOutputString());
        assertEquals("Data. Some", endp.takeOutputString());


        assertTrue(fcb.isDone());
        assertEquals(null, fcb.get());
        assertEquals(" more.", endp.getOutputString());
        endp.close();
    }

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Examples of org.eclipse.jetty.util.FutureCallback

        Thread.sleep(idleTimeout * 2);
        assertTrue(endp.isOpen());


        // normal read
        ByteBuffer buffer = BufferUtil.allocate(1024);
        FutureCallback fcb = new FutureCallback();


        endp.fillInterested(fcb);
        assertTrue(fcb.isDone());
        assertEquals(null, fcb.get());
        assertEquals(4, endp.fill(buffer));
        assertEquals("test", BufferUtil.toString(buffer));


        // read timeout
        fcb = new FutureCallback();
        endp.fillInterested(fcb);
        long start = System.currentTimeMillis();
        try
        {
            fcb.get();
            fail();
        }
        catch (ExecutionException t)
        {
            assertThat(t.getCause(), instanceOf(TimeoutException.class));
        }
        assertThat(System.currentTimeMillis() - start, greaterThan(idleTimeout / 2));
        assertThat("Endpoint open", endp.isOpen(), is(true));


        // We need to delay the write timeout test below from the read timeout test above.
        // The reason is that the scheduler thread that fails the endPoint WriteFlusher
        // because of the read timeout above runs concurrently with the write below, and
        // if it runs just after the write below, the test fails because the write callback
        // below fails immediately rather than after the idle timeout.
        Thread.sleep(idleTimeout / 2);


        // write timeout
        fcb = new FutureCallback();
        endp.write(fcb, BufferUtil.toBuffer("This is too long"));
        start = System.currentTimeMillis();
        try
        {
            fcb.get();
            fail();
        }
        catch (ExecutionException t)
        {
            assertThat(t.getCause(), instanceOf(TimeoutException.class));

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Examples of org.eclipse.jetty.util.FutureCallback

    }


    @Override
    public void rst(RstInfo rstInfo) throws InterruptedException, ExecutionException, TimeoutException
    {
        FutureCallback result = new FutureCallback();
        rst(rstInfo, result);
        if (rstInfo.getTimeout() > 0)
            result.get(rstInfo.getTimeout(), rstInfo.getUnit());
        else
            result.get();
    }

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Examples of org.eclipse.jetty.util.FutureCallback

    }


    @Override
    public void settings(SettingsInfo settingsInfo) throws ExecutionException, InterruptedException, TimeoutException
    {
        FutureCallback result = new FutureCallback();
        settings(settingsInfo, result);
        if (settingsInfo.getTimeout() > 0)
            result.get(settingsInfo.getTimeout(), settingsInfo.getUnit());
        else
            result.get();
    }

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Examples of org.eclipse.jetty.util.FutureCallback

        goAway(goAwayInfo, SessionStatus.OK);
    }


    private void goAway(GoAwayInfo goAwayInfo, SessionStatus sessionStatus) throws ExecutionException, InterruptedException, TimeoutException
    {
        FutureCallback result = new FutureCallback();
        goAway(sessionStatus, goAwayInfo.getTimeout(), goAwayInfo.getUnit(), result);
        if (goAwayInfo.getTimeout() > 0)
            result.get(goAwayInfo.getTimeout(), goAwayInfo.getUnit());
        else
            result.get();
    }

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Examples of org.eclipse.jetty.util.FutureCallback

    @Test
    public void testIgnorePreviousFailures() throws Exception
    {
        _endp.setGrowOutput(true);


        FutureCallback callback = new FutureCallback();
        _flusher.onFail(new IOException("Ignored because no operation in progress"));
        _flusher.write(callback, BufferUtil.toBuffer("How "), BufferUtil.toBuffer("now "), BufferUtil.toBuffer("brown "), BufferUtil.toBuffer("cow!"));
        assertCallbackIsDone(callback);
        assertFlushIsComplete();
        assertThat("context and callback.get() are equal",callback.get() , equalTo(null));
        assertThat("string in endpoint matches expected string", "How now brown cow!",
                equalTo(_endp.takeOutputString()));
        assertTrue(_flusher.isIdle());
    }

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Examples of org.eclipse.jetty.util.FutureCallback

    @Test
    public void testCompleteNoBlocking() throws Exception
    {
        _endp.setGrowOutput(true);


        FutureCallback callback = new FutureCallback();
        _flusher.write(callback, BufferUtil.toBuffer("How "), BufferUtil.toBuffer("now "), BufferUtil.toBuffer("brown "), BufferUtil.toBuffer("cow!"));
        assertCallbackIsDone(callback);
        assertFlushIsComplete();
        assertThat("context and callback.get() are equal", callback.get(), equalTo(null));
        assertThat("string in endpoint matches expected string", "How now brown cow!",
                equalTo(_endp.takeOutputString()));
        assertTrue(_flusher.isIdle());
    }

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Examples of org.eclipse.jetty.util.FutureCallback

    @Test
    public void testClosedNoBlocking() throws Exception
    {
        _endp.close();


        FutureCallback callback = new FutureCallback();
        _flusher.write(callback, BufferUtil.toBuffer("How "), BufferUtil.toBuffer("now "), BufferUtil.toBuffer("brown "), BufferUtil.toBuffer("cow!"));
        assertCallbackIsDone(callback);
        assertFlushIsComplete();
        try
        {
            assertEquals(callback.get(),null);
            Assert.fail();
        }
        catch (ExecutionException e)
        {
            Throwable cause = e.getCause();

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Examples of org.eclipse.jetty.util.FutureCallback




    @Test
    public void testCompleteBlocking() throws Exception
    {
        FutureCallback callback = new FutureCallback();
        _flusher.write(callback, BufferUtil.toBuffer("How "), BufferUtil.toBuffer("now "), BufferUtil.toBuffer("brown "), BufferUtil.toBuffer("cow!"));
        assertFalse(callback.isDone());
        assertFalse(callback.isCancelled());


        assertTrue(_flushIncomplete.get());
        try
        {
            assertEquals(callback.get(10, TimeUnit.MILLISECONDS),null);
            Assert.fail();
        }
        catch (TimeoutException to)
        {
            _flushIncomplete.set(false);
        }


        assertEquals("How now br", _endp.takeOutputString());
        _flusher.completeWrite();
        assertCallbackIsDone(callback);
        assertEquals(callback.get(),null);
        assertEquals("own cow!", _endp.takeOutputString());
        assertFlushIsComplete();
        assertTrue(_flusher.isIdle());
    }

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