Example usage for java.util.concurrent FutureTask FutureTask

Introduction

In this page you can find the example usage for java.util.concurrent FutureTask FutureTask.

Prototype

public FutureTask(Callable<V> callable) 

Source Link

Document

Creates a FutureTask that will, upon running, execute the given Callable .

Usage

From source file:com.eclectide.intellij.whatthecommit.WhatTheCommitAction.java

public String loadCommitMessage(final String url) {
    final FutureTask<String> downloadTask = new FutureTask<String>(new Callable<String>() {
        public String call() {
            final HttpClient client = new HttpClient();
            final GetMethod getMethod = new GetMethod(url);
            try {
                final int statusCode = client.executeMethod(getMethod);
                if (statusCode != HttpStatus.SC_OK)
                    throw new RuntimeException("Connection error (HTTP status = " + statusCode + ")");
                return getMethod.getResponseBodyAsString();
            } catch (IOException e) {
                throw new RuntimeException(e.getMessage(), e);
            }/*from   ww  w  .  j  av a 2  s .com*/
        }
    });

    ApplicationManager.getApplication().executeOnPooledThread(downloadTask);

    try {
        return downloadTask.get(TIMEOUT_SECONDS, TimeUnit.SECONDS);
    } catch (TimeoutException e) {
        // ignore
    } catch (Exception e) {
        throw new RuntimeException(e.getMessage(), e);
    }

    if (!downloadTask.isDone()) {
        downloadTask.cancel(true);
        throw new RuntimeException("Connection timed out");
    }

    return "";
}

---

From source file:org.geoserver.wms.animate.FrameCatalogVisitor.java

/**
 * Adds a new visitor to the runnables list and initializes the animatorExecutor service is not yet initialied. 
 * @param request//from w  w w  .j ava 2s.  c om
 * @param wms
 * @param wmsConfiguration
 * @param aparam
 * @param avalue
 */
public void visit(final GetMapRequest request, WebMapService wms, WMS wmsConfiguration, String aparam,
        String avalue) {
    if (this.tasks == null) {
        this.tasks = new LinkedList<Future<RenderedImage>>();
    }

    FrameLoader loader = new FrameLoader(request, wms, wmsConfiguration, aparam, avalue);

    final FutureTask<RenderedImage> task = new FutureTask<RenderedImage>(loader);
    this.tasks.add(task);
    this.framesNumber++;

    // run the loading in this thread
    wmsConfiguration.getAnimatorExecutorService().execute(task);
}

---

From source file:FutureTest.java

public Integer call() {
    count = 0;//from w w w  .j  a v a2  s. c  o  m
    try {
        File[] files = directory.listFiles();
        ArrayList<Future<Integer>> results = new ArrayList<Future<Integer>>();

        for (File file : files)
            if (file.isDirectory()) {
                MatchCounter counter = new MatchCounter(file, keyword);
                FutureTask<Integer> task = new FutureTask<Integer>(counter);
                results.add(task);
                Thread t = new Thread(task);
                t.start();
            } else {
                if (search(file))
                    count++;
            }

        for (Future<Integer> result : results)
            try {
                count += result.get();
            } catch (ExecutionException e) {
                e.printStackTrace();
            }
    } catch (InterruptedException e) {
    }
    return count;
}

---

From source file:android.support.test.espresso.base.ThreadPoolExecutorExtractor.java

public Optional<ThreadPoolExecutor> getCompatAsyncTaskThreadPool() {
    try {/*  w ww. ja v  a 2s.co  m*/
        return runOnMainThread(new FutureTask<Optional<ThreadPoolExecutor>>(MODERN_ASYNC_TASK_EXTRACTOR)).get();
    } catch (InterruptedException ie) {
        throw new RuntimeException("Interrupted while trying to get the compat async executor!", ie);
    } catch (ExecutionException ee) {
        throw new RuntimeException(ee.getCause());
    }
}

---

From source file:org.ow2.petals.launcher.tasks.InstallFromRepositoryTask.java

@Override
protected int doProcess(List<String> args) {
    // for now just do it by copying things in the install path... need to
    // use the PEtALS API...
    String componentToInstall = args.get(0);
    File[] files = this.repository.listFiles(new ComponentNamesFilter());

    if (files == null) {
        System.out.println("No file in repository");
        return ERROR_CODE;
    }//from w w w.j  a  va  2 s . c  o m

    for (File file : files) {
        String name = this.getComponentName(file);
        if (name.equals(componentToInstall)) {
            System.out.println("Installing component " + componentToInstall + "...");
            // do it in a separate thread
            FutureTask<String> task = new FutureTask<String>(new FutureInstaller(file, this.installPath));
            Thread t = new Thread(task);
            t.setDaemon(true);
            t.start();

            try {
                System.out.println(task.get(20, TimeUnit.SECONDS));
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (ExecutionException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (TimeoutException e) {
                System.out.println("Timeout while installing component");
            }
            break;
        }
    }

    return OK_CODE;
}

---

From source file:com.saysth.commons.quartz.SimpleThreadPoolTaskExecutor.java

public <T> Future<T> submit(Callable<T> task) {
    FutureTask<T> future = new FutureTask<T>(task);
    execute(future);/*w  w  w .  j av a 2s. c o m*/
    return future;
}

---

From source file:ubic.gemma.core.loader.util.fetcher.HttpFetcher.java

protected FutureTask<Boolean> defineTask(final String outputFileName, final String seekFile) {
    return new FutureTask<>(new Callable<Boolean>() {
        @Override/*w w w .jav a2 s . co m*/
        @SuppressWarnings("synthetic-access")
        public Boolean call() throws IOException {
            AbstractFetcher.log.info("Fetching " + seekFile);
            URL urlPattern = new URL(seekFile);

            InputStream inputStream = new BufferedInputStream(urlPattern.openStream());
            try (OutputStream outputStream = new FileOutputStream(new File(outputFileName))) {

                final byte[] buffer = new byte[65536];
                int read;

                while ((read = inputStream.read(buffer)) > -1) {
                    outputStream.write(buffer, 0, read);
                }
                outputStream.close();
                return Boolean.TRUE;
            }
        }
    });
}

---

From source file:com.norman0406.slimgress.API.Interface.Interface.java

public AuthSuccess authenticate(final String token) {
    FutureTask<AuthSuccess> future = new FutureTask<AuthSuccess>(new Callable<AuthSuccess>() {
        @Override/*from  w  ww  .j a  v  a2  s.co  m*/
        public AuthSuccess call() throws Exception {
            // see http://blog.notdot.net/2010/05/Authenticating-against-App-Engine-from-an-Android-app
            // also use ?continue= (?)

            String login = mApiBaseURL + mApiLogin + token;
            HttpGet get = new HttpGet(login);

            try {
                HttpResponse response = null;
                synchronized (Interface.this) {
                    mClient.getParams().setBooleanParameter(ClientPNames.HANDLE_REDIRECTS, false);
                    Log.i("Interface", "executing authentication");
                    response = mClient.execute(get);
                }
                assert (response != null);
                @SuppressWarnings("unused")
                String content = EntityUtils.toString(response.getEntity());
                response.getEntity().consumeContent();

                if (response.getStatusLine().getStatusCode() == 401) {
                    // the token has expired
                    Log.i("Interface", "401: authentication token has expired");
                    return AuthSuccess.TokenExpired;
                } else if (response.getStatusLine().getStatusCode() != 302) {
                    // Response should be a redirect
                    Log.i("Interface", "unknown error: " + response.getStatusLine().getReasonPhrase());
                    return AuthSuccess.UnknownError;
                } else {
                    // get cookie
                    synchronized (Interface.this) {
                        for (Cookie cookie : mClient.getCookieStore().getCookies()) {
                            if (cookie.getName().equals("SACSID")) { // secure cookie! (ACSID is non-secure http cookie)
                                mCookie = cookie.getValue();
                            }
                        }
                    }

                    if (mCookie == null) {
                        Log.i("Interface", "authentication token has expired");
                        return AuthSuccess.TokenExpired;
                    }

                    Log.i("Interface", "authentication successful");
                    return AuthSuccess.Successful;
                }
            } catch (ClientProtocolException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            } finally {
                synchronized (Interface.this) {
                    mClient.getParams().setBooleanParameter(ClientPNames.HANDLE_REDIRECTS, true);
                }
            }
            return AuthSuccess.Successful;
        }
    });

    // start thread
    new Thread(future).start();

    // obtain authentication return value
    AuthSuccess retVal = AuthSuccess.UnknownError;
    try {
        retVal = future.get();
    } catch (InterruptedException e) {
        e.printStackTrace();
    } catch (ExecutionException e) {
        e.printStackTrace();
    }

    return retVal;
}

---

From source file:com.alibaba.dragoon.common.protocol.transport.socket.SocketConnector.java

public Future<DragoonSession> connect(final SocketAddress address, final MessageHandler messageHandler) {
    if (address == null) {
        throw new IllegalArgumentException("address is null");
    }/* w  ww  . j av a2 s  .  co m*/

    if (!(address instanceof InetSocketAddress)) {
        throw new IllegalArgumentException("address must be VmPipeAddress.");
    }

    final InetSocketAddress inetSocketAddress = (InetSocketAddress) address;

    FutureTask<DragoonSession> task = new FutureTask<DragoonSession>(new Callable<DragoonSession>() {

        public DragoonSession call() throws Exception {
            connectCount.incrementAndGet();
            if (LOG.isInfoEnabled()) {
                LOG.info("CONNECT TO " + inetSocketAddress);
            }

            remoteAddress = inetSocketAddress.toString();
            Socket socket = new Socket(inetSocketAddress.getAddress(), inetSocketAddress.getPort());

            connectEstablishedCount.incrementAndGet();

            if (LOG.isInfoEnabled()) {
                LOG.info("CONNECTED TO " + inetSocketAddress);
            }

            SocketSessionImpl impl = new SocketSessionImpl(socket, receivedBytes, receivedMessages, sentBytes,
                    sentMessages);

            final long sessionId = generateSessionId();

            DragoonSession session = new DragoonSession(sessionId, new DragoonSessionConfig(messageHandler),
                    impl);
            impl.init(session);

            return session;
        }

    });
    connectorExecutor.submit(task);

    return task;
}

---

From source file:com.taobao.common.tfs.comm.TfsClientFactory.java

public TfsClient get(Long targetId, final int connectionTimeout, final PacketStreamer pstreamer)
        throws TfsException {
    final Long key = targetId;
    if (clients.containsKey(key)) {
        try {/* ww w  .  j ava2s. c o m*/
            return clients.get(key).get();
        } catch (Exception e) {
            removeClient(key);
            throw new TfsException("get tfs connection error,targetAddress is " + targetId, e);
        }
    } else {
        FutureTask<TfsClient> task = new FutureTask<TfsClient>(new Callable<TfsClient>() {
            public TfsClient call() throws Exception {
                return createClient(key, connectionTimeout, pstreamer);
            }
        });
        FutureTask<TfsClient> existTask = clients.putIfAbsent(key, task);
        if (existTask == null) {
            existTask = task;
            task.run();
        }
        try {
            return existTask.get();
        } catch (Exception e) {
            removeClient(key);
            throw new TfsException("get tfs connection error,targetAddress is " + targetId, e);
        }
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• »