Example usage for java.lang Thread interrupt

Introduction

In this page you can find the example usage for java.lang Thread interrupt.

Prototype

public void interrupt() 

Source Link

Document

Interrupts this thread.

Usage

From source file:uk.bl.wa.tika.TikaDeepIdentifier.java

/**
 * /*from w ww .  j  a v a 2  s  .c o m*/
 * @param payload
 * @param metadata 
 * @return
 */
public String identify(InputStream payload, Metadata metadata) {
    // Fallback
    String tikaType = MediaType.OCTET_STREAM.toString();
    // Set up metadata object:
    Metadata md = metadata;
    TikaInputStream tis = null;
    try {
        tis = TikaInputStream.get(payload);
        // Type according to Tiki:
        tikaType = pika.getDetector().detect(tis, md).toString();
    } catch (Throwable e) {
        log.error("Tika.detect failed:" + e.getMessage());
        //e.printStackTrace();
        return MediaType.OCTET_STREAM.toString();
    } finally {
        if (tis != null) {
            try {
                tis.close();
            } catch (IOException e) {
                log.warn("Exception closing TikaInputStream. This leaves tmp-files: " + e.getMessage());
            }
        }
    }

    // Now perform full parse, to find a more detailed tikaType
    try {
        // Default to detected MIME Type:
        md.set(Metadata.CONTENT_TYPE, tikaType.toString());

        // Ensure parsing is NOT recursive:
        pika.setRecursive(ctx, false);

        // Now perform the parsing:
        //parser.parse( new ByteArrayInputStream( payload ), ch, md, ctx );
        // One could forcibly limit the size if OOM is still causing problems, like this:
        //parser.parse( new ByteArrayInputStream( value.getPayload(), 0, BUF_8KB ), ch, md, ctx );

        // Every resource gets it's own write-out buffer:
        ch = new WriteOutContentHandler(MAX_BUF);

        // Run the parser in a separate thread:
        InputStream tikainput = TikaInputStream.get(payload);
        ParseRunner runner = new ParseRunner(pika, tikainput, ch, md, ctx);
        Thread parseThread = new Thread(runner, Long.toString(System.currentTimeMillis()));
        parseThread.setDaemon(true); // Daemon to ensure proper shutdown when overall processing has finished
        try {
            // TODO: This should use TimeLimiter.run(parser, 30000L, false); but that is in the warc-indexer module
            parseThread.start();
            parseThread.join(this.parseTimeout);
            parseThread.interrupt();
        } catch (OutOfMemoryError o) {
            log.error("TikaExtractor.parse(): " + tikaType + " : " + o.getMessage());
        } catch (RuntimeException r) {
            log.error("TikaExtractor.parse(): " + tikaType + " : " + r.getMessage());
        } finally {
            if (tikainput != null) {
                try {
                    tikainput.close();
                } catch (IOException e) {
                    log.warn("Exception closing TikaInputStream. This leaves tmp-files: " + e.getMessage());
                }
            }
        }

        // Use the extended MIME type generated by the PreservationParser:
        String extMimeType = md.get(PreservationParser.EXT_MIME_TYPE);
        if (runner.complete && extMimeType != null)
            tikaType = extMimeType;

    } catch (Throwable e) {
        log.debug("Tika Exception: " + e.getMessage());
        //e.printStackTrace();
    }
    // Return whichever value works:
    return tikaType;
}

---

From source file:uk.bl.wa.tika.TikaDeepIdentifier.java

/**
 * // ww w. jav  a  2 s  .  c  o m
 * @param payload
 * @return
 */
public String identify(byte[] payload) {
    // Fallback
    String tikaType = MediaType.OCTET_STREAM.toString();
    // Set up metadata object:
    Metadata md = new Metadata();
    TikaInputStream tis = null;
    try {
        tis = TikaInputStream.get(payload, md);
        // Type according to Tiki:
        tikaType = pika.getDetector().detect(tis, md).toString();
    } catch (Throwable e) {
        log.error("Tika.detect failed:" + e.getMessage());
        //e.printStackTrace();
        return MediaType.OCTET_STREAM.toString();
    } finally {
        if (tis != null) {
            try {
                tis.close();
            } catch (IOException e) {
                log.warn("Exception closing TikaInputStream. This leaves tmp-files: " + e.getMessage());
            }
        }
    }

    // Now perform full parse, to find a more detailed tikaType
    try {
        // Default to detected MIME Type:
        md.set(Metadata.CONTENT_TYPE, tikaType.toString());

        // Ensure parsing is NOT recursive:
        pika.setRecursive(ctx, false);

        // Now perform the parsing:
        //parser.parse( new ByteArrayInputStream( payload ), ch, md, ctx );
        // One could forcibly limit the size if OOM is still causing problems, like this:
        //parser.parse( new ByteArrayInputStream( value.getPayload(), 0, BUF_8KB ), ch, md, ctx );

        // Every resource gets it's own write-out buffer:
        ch = new WriteOutContentHandler(MAX_BUF);

        // Run the parser in a separate thread:
        InputStream tikainput = TikaInputStream.get(payload, md);
        ParseRunner runner = new ParseRunner(pika, tikainput, ch, md, ctx);
        Thread parseThread = new Thread(runner, Long.toString(System.currentTimeMillis()));
        parseThread.setDaemon(true); // Daemon to ensure proper shutdown when overall processing has finished

        try {
            // TODO: This should use TimeLimiter.run(parser, 30000L, false); but that is in the warc-indexer module
            parseThread.start();
            parseThread.join(this.parseTimeout);
            parseThread.interrupt();
        } catch (OutOfMemoryError o) {
            log.error("TikaExtractor.parse(): " + tikaType + " : " + o.getMessage());
        } catch (RuntimeException r) {
            log.error("TikaExtractor.parse(): " + tikaType + " : " + r.getMessage());
        } finally {
            if (tikainput != null) {
                try {
                    tikainput.close();
                } catch (IOException e) {
                    log.warn("Exception closing TikaInputStream. This leaves tmp-files: " + e.getMessage());
                }
            }
        }

        // Use the extended MIME type generated by the PreservationParser:
        String extMimeType = md.get(PreservationParser.EXT_MIME_TYPE);
        if (runner.complete && extMimeType != null)
            tikaType = extMimeType;

    } catch (Throwable e) {
        log.debug("Tika Exception: " + e.getMessage());
        //e.printStackTrace();
    }
    // Return whichever value works:
    return tikaType;
}

---

From source file:io.werval.maven.StartMojoIT.java

@Test
public void startMojoIntegrationTest() throws IOException, InterruptedException {
    final Holder<Exception> errorHolder = new Holder<>();
    Thread runThread = new Thread(newRunnable(errorHolder, "werval:start"), "maven-werval-start-thread");
    try {//www  .  ja va  2s  .  c  o m
        runThread.start();

        HttpClient client = new DefaultHttpClient();
        HttpGet get = new HttpGet("http://localhost:23023/");
        ResponseHandler<String> handler = new BasicResponseHandler();

        await().atMost(60, SECONDS).pollDelay(5, SECONDS).until(() -> {
            try {
                return client.execute(get, handler);
            } catch (Exception ex) {
                return null;
            }
        }, containsString("I ran!"));

        client.getConnectionManager().shutdown();
    } finally {
        runThread.interrupt();
    }
}

---

From source file:org.kurento.test.client.TestClient.java

@SuppressWarnings("deprecation")
public long getLatency() throws InterruptedException {
    final CountDownLatch latch = new CountDownLatch(1);
    final long[] out = new long[1];
    Thread t = new Thread() {
        public void run() {
            Object latency = browserClient.executeScript("return kurentoTest.getLatency();");
            if (latency != null) {
                out[0] = (Long) latency;
            } else {
                out[0] = Long.MIN_VALUE;
            }//w  w  w.  j a va2 s  . c o m
            latch.countDown();
        }
    };
    t.start();
    if (!latch.await(browserClient.getTimeout(), TimeUnit.SECONDS)) {
        t.interrupt();
        t.stop();
        throw new LatencyException("Timeout getting latency (" + browserClient.getTimeout() + "  seconds)");
    }
    return out[0];
}

---

From source file:org.devtcg.five.provider.FiveSyncAdapter.java

private long getServerDiffsImpl(SyncContext context, AbstractSyncProvider serverDiffs, String feedType) {
    if (context.hasError() == true || context.hasCanceled() == true)
        return -1;

    String feedUrl = mSource.getFeedUrl(feedType);
    final HttpGet feeds = new HttpGet(feedUrl);
    final Thread currentThread = Thread.currentThread();

    context.trigger = new CancelTrigger() {
        public void onCancel() {
            feeds.abort();//from  w ww.j  ava 2  s.  c o m
            currentThread.interrupt();
        }
    };

    try {
        return getServerDiffsCancelable(context, serverDiffs, feedType, feeds);
    } finally {
        context.trigger = null;
    }
}

---

From source file:org.apache.tika.parser.ocr.TesseractOCRParser.java

/**
 * Run external tesseract-ocr process./*from ww w  .j  av a  2 s .c o m*/
 *
 * @param input
 *          File to be ocred
 * @param output
 *          File to collect ocr result
 * @param config
 *          Configuration of tesseract-ocr engine
 * @throws TikaException
 *           if the extraction timed out
 * @throws IOException
 *           if an input error occurred
 */
private void doOCR(File input, File output, TesseractOCRConfig config) throws IOException, TikaException {
    String[] cmd = { config.getTesseractPath() + getTesseractProg(), input.getPath(), output.getPath(), "-l",
            config.getLanguage(), "-psm", config.getPageSegMode(),
            config.getOutputType().name().toLowerCase(Locale.US), "-c",
            (config.getPreserveInterwordSpacing()) ? "preserve_interword_spaces=1"
                    : "preserve_interword_spaces=0" };
    ProcessBuilder pb = new ProcessBuilder(cmd);
    setEnv(config, pb);
    final Process process = pb.start();

    process.getOutputStream().close();
    InputStream out = process.getInputStream();
    InputStream err = process.getErrorStream();

    logStream("OCR MSG", out, input);
    logStream("OCR ERROR", err, input);

    FutureTask<Integer> waitTask = new FutureTask<>(new Callable<Integer>() {
        public Integer call() throws Exception {
            return process.waitFor();
        }
    });

    Thread waitThread = new Thread(waitTask);
    waitThread.start();

    try {
        waitTask.get(config.getTimeout(), TimeUnit.SECONDS);
    } catch (InterruptedException e) {
        waitThread.interrupt();
        process.destroy();
        Thread.currentThread().interrupt();
        throw new TikaException("TesseractOCRParser interrupted", e);
    } catch (ExecutionException e) {
        // should not be thrown
    } catch (TimeoutException e) {
        waitThread.interrupt();
        process.destroy();
        throw new TikaException("TesseractOCRParser timeout", e);
    }
}

---

From source file:com.mirth.connect.connectors.tcp.TcpDispatcher.java

private void disposeThread(String socketKey) throws InterruptedException {
    Thread thread = timeoutThreads.get(socketKey);

    if (thread != null && thread.isAlive()) {
        logger.trace("Interrupting thread (" + connectorProperties.getName() + " \"" + getDestinationName()
                + "\" on channel " + getChannelId() + ").");
        thread.interrupt();

        logger.trace("Joining thread (" + connectorProperties.getName() + " \"" + getDestinationName()
                + "\" on channel " + getChannelId() + ").");
        try {//from  w w  w  .ja v  a  2s. co  m
            thread.join();
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            throw e;
        }
    }
}

---

From source file:org.noroomattheinn.visibletesla.AppContext.java

public void shutDown() {
    shuttingDown.set(true);//from  www . j a  va  2  s  . c  o m
    int nActive;
    do {
        nActive = 0;
        for (Thread t : threads) {
            Thread.State state = t.getState();
            switch (state) {
            case NEW:
            case RUNNABLE:
                nActive++;
                break;

            case TERMINATED:
                break;

            case BLOCKED:
            case TIMED_WAITING:
            case WAITING:
                nActive++;
                t.interrupt();
                // Should this sleep for a very short period?
                break;

            default:
                break;
            }
        }
    } while (nActive > 0);
}

---

From source file:org.opennms.netmgt.provision.server.SimpleServer.java

/**
 * <p>stopServer</p>/* ww w . j  a v  a 2s  .  c  o m*/
 *
 * @throws java.io.IOException if any.
 */
public void stopServer() throws IOException {
    if (!m_stopped) {
        m_stopped = true;
        final Thread t = getServerThread();
        setServerThread(null);
        IOUtils.closeQuietly(getSocket());
        IOUtils.closeQuietly(getServerSocket());
        try {
            Thread.sleep(200);
        } catch (final InterruptedException e) {
        }

        if (t != null && t.isAlive()) {
            t.interrupt();
        }
        try {
            if (m_runnable != null)
                m_runnable.awaitShutdown();
        } catch (final InterruptedException e) {
            LOG.debug("Interrupted while shutting down.", e);
        }
    }
}

---

From source file:org.apache.hadoop.hbase.util.TestThreads.java

@Test(timeout = 60000)
public void testSleepWithoutInterrupt() throws InterruptedException {
    Thread sleeper = new Thread(new Runnable() {
        @Override/*w  w w  .j  av a2 s. c o m*/
        public void run() {
            LOG.debug("Sleeper thread: sleeping for " + SLEEP_TIME_MS);
            Threads.sleepWithoutInterrupt(SLEEP_TIME_MS);
            LOG.debug("Sleeper thread: finished sleeping");
            wasInterrupted.set(Thread.currentThread().isInterrupted());
        }
    });
    LOG.debug("Starting sleeper thread (" + SLEEP_TIME_MS + " ms)");
    sleeper.start();
    long startTime = System.currentTimeMillis();
    LOG.debug("Main thread: sleeping for 200 ms");
    Threads.sleep(200);

    LOG.debug("Interrupting the sleeper thread and sleeping for 500 ms");
    sleeper.interrupt();
    Threads.sleep(500);

    LOG.debug("Interrupting the sleeper thread and sleeping for 800 ms");
    sleeper.interrupt();
    Threads.sleep(800);

    LOG.debug("Interrupting the sleeper thread again");
    sleeper.interrupt();
    sleeper.join();

    assertTrue("sleepWithoutInterrupt did not preserve the thread's " + "interrupted status",
            wasInterrupted.get());

    long timeElapsed = System.currentTimeMillis() - startTime;
    // We expect to wait at least SLEEP_TIME_MS, but we can wait more if there is a GC.
    assertTrue(
            "Elapsed time " + timeElapsed + " ms is out of the expected " + " sleep time of " + SLEEP_TIME_MS,
            SLEEP_TIME_MS - timeElapsed < TOLERANCE_MS);
    LOG.debug("Target sleep time: " + SLEEP_TIME_MS + ", time elapsed: " + timeElapsed);
}

---

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