Example usage for java.lang ThreadLocal get

Introduction

In this page you can find the example usage for java.lang ThreadLocal get.

Prototype

public T get() 

Source Link

Document

Returns the value in the current thread's copy of this thread-local variable.

Usage

From source file:org.apache.sling.resourceresolver.impl.CommonResourceResolverFactoryImpl.java

/**
 * Inform about a closed resource resolver.
 * Make sure to remove it from the current thread context.
 * @param resourceResolverImpl The resource resolver
 * @param ctrl The resource resolver control
 *///from w w w  .  j a  va2  s  .c  o m
public void unregister(final ResourceResolver resourceResolverImpl, final ResourceResolverControl ctrl) {
    // close the context
    ctrl.close();
    // remove it from the set of weak references.
    refs.remove(ctrl.hashCode());

    // on shutdown, the factory might already be closed before the resolvers close
    // therefore we have to check for null
    final ThreadLocal<Stack<WeakReference<ResourceResolver>>> tl = resolverStackHolder;
    if (tl != null) {
        final Stack<WeakReference<ResourceResolver>> resolverStack = tl.get();
        if (resolverStack != null) {
            final Iterator<WeakReference<ResourceResolver>> i = resolverStack.iterator();
            while (i.hasNext()) {
                final WeakReference<ResourceResolver> ref = i.next();
                if (ref.get() == null || ref.get() == resourceResolverImpl) {
                    i.remove();
                }
            }
            if (resolverStack.isEmpty()) {
                tl.remove();
            }
        }
    }
}

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From source file:org.codice.alliance.transformer.nitf.NitfPreStoragePlugin.java

private BufferedImage renderImage(ContentItem contentItem)
        throws IOException, ParseException, NitfFormatException {

    final ThreadLocal<BufferedImage> bufferedImage = new ThreadLocal<>();

    if (contentItem != null && contentItem.getInputStream() != null) {
        NitfRenderer renderer = new NitfRenderer();

        new NitfParserInputFlow().inputStream(contentItem.getInputStream()).allData()
                .forEachImageSegment(segment -> {
                    if (bufferedImage.get() == null) {
                        try {
                            bufferedImage.set(renderer.render(segment));
                        } catch (IOException e) {
                            LOGGER.error(e.getMessage(), e);
                        }//from   w  w  w  . jav  a2  s . c  o  m
                    }
                });
    }

    return bufferedImage.get();
}

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From source file:org.apache.jmeter.protocol.http.control.TestCacheManager.java

private Map<String, CacheManager.CacheEntry> getThreadCache() throws Exception {
    Field threadLocalfield = CacheManager.class.getDeclaredField("threadCache");
    threadLocalfield.setAccessible(true);
    @SuppressWarnings("unchecked")
    ThreadLocal<Map<String, CacheEntry>> threadLocal = (ThreadLocal<Map<String, CacheManager.CacheEntry>>) threadLocalfield
            .get(this.cacheManager);
    return threadLocal.get();
}

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From source file:org.geowebcache.layer.TileLayer.java

protected ByteArrayResource getImageBuffer(ThreadLocal<ByteArrayResource> tl) {
    ByteArrayResource buffer = tl.get();
    if (buffer == null) {
        buffer = new ByteArrayResource(16 * 1024);
        tl.set(buffer);//from   w w  w .  ja  v a2  s .co m
    }
    buffer.truncate();
    return buffer;
}

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From source file:org.codice.alliance.plugin.nitf.NitfPostIngestPlugin.java

private BufferedImage render(InputStream inputStream,
        Function<Pair<ImageSegment, NitfRenderer>, BufferedImage> imageSegmentFunction)
        throws NitfFormatException {

    final ThreadLocal<BufferedImage> bufferedImage = new ThreadLocal<>();

    if (inputStream != null) {
        NitfRenderer renderer = getNitfRenderer();
        nitfParserService.parseNitf(inputStream, true).forEachImageSegment(segment -> {
            if (bufferedImage.get() == null) {
                BufferedImage bi = imageSegmentFunction.apply(new ImmutablePair<>(segment, renderer));
                if (bi != null) {
                    bufferedImage.set(bi);
                }//  w w w  .  ja va  2 s  .c  o  m
            }
        }).end();
    }

    return bufferedImage.get();
}

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From source file:org.codice.alliance.plugin.nitf.NitfPreStoragePlugin.java

private BufferedImage render(ContentItem contentItem,
        Function<Pair<ImageSegment, NitfRenderer>, BufferedImage> imageSegmentFunction)
        throws IOException, ParseException, NitfFormatException {

    final ThreadLocal<BufferedImage> bufferedImage = new ThreadLocal<>();

    if (contentItem != null) {
        InputStream inputStream = contentItem.getInputStream();

        if (inputStream != null) {
            try {
                NitfRenderer renderer = getNitfRenderer();

                new NitfParserInputFlowImpl().inputStream(inputStream).allData()
                        .forEachImageSegment(segment -> {
                            if (bufferedImage.get() == null) {
                                BufferedImage bi = imageSegmentFunction
                                        .apply(new ImmutablePair<>(segment, renderer));
                                if (bi != null) {
                                    bufferedImage.set(bi);
                                }/* w ww  . j  av a2  s  . co m*/
                            }
                        }).end();
            } finally {
                IOUtils.closeQuietly(inputStream);
            }
        }
    }

    return bufferedImage.get();
}

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From source file:org.codice.alliance.plugin.nitf.NitfPostProcessPlugin.java

private BufferedImage render(InputStream inputStream,
        Function<Pair<ImageSegment, NitfRenderer>, BufferedImage> imageSegmentFunction)
        throws InterruptedException, NitfFormatException {

    final ThreadLocal<BufferedImage> bufferedImage = new ThreadLocal<>();

    if (inputStream != null) {
        try {/*from   ww w.  j ava  2  s.  co  m*/
            available.acquire();
            NitfRenderer renderer = nitfRendererSupplier.get();
            NitfParserInputFlow parserInputFlow = nitfParserSupplier.get();

            parserInputFlow.inputStream(inputStream).allData().forEachImageSegment(segment -> {
                if (bufferedImage.get() == null) {
                    BufferedImage bi = imageSegmentFunction.apply(new ImmutablePair<>(segment, renderer));
                    if (bi != null) {
                        bufferedImage.set(bi);
                    }
                }
            }).end();
        } finally {
            IOUtils.closeQuietly(inputStream);
            available.release();
        }
    }

    BufferedImage image = bufferedImage.get();
    bufferedImage.remove();
    return image;
}

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From source file:com.strategicgains.docussandra.controller.perf.remote.parent.PerfTestParent.java

public void loadData() throws IOException, ParseException, InterruptedException {
    logger.info("------------Loading Data into: " + this.getDb().name() + " with Docussandra!------------");
    ArrayList<Thread> workers = new ArrayList<>(NUM_WORKERS + 1);
    int numDocs = getNumDocuments();
    int docsPerWorker = numDocs / NUM_WORKERS;
    try {/*from www.j  av a  2 s . c  o  m*/
        List<Document> docs = getDocumentsFromFS();
        ArrayList<List<Document>> documentQueues = new ArrayList<>(NUM_WORKERS + 1);
        int numDocsAssigned = 0;
        while ((numDocsAssigned + 1) < numDocs) {
            int start = numDocsAssigned;
            int end = numDocsAssigned + docsPerWorker;
            if (end > numDocs) {
                end = numDocs - 1;
            }
            documentQueues.add(new ArrayList(docs.subList(start, end)));
            numDocsAssigned = end;
        }
        for (final List<Document> queue : documentQueues) {
            workers.add(new Thread() {
                @Override
                public void run() {
                    for (Document d : queue) {
                        //logger.debug("Processing document: " + d.toString());
                        postDocument(getDb(), getTb(), d);
                    }
                    logger.info("Thread " + Thread.currentThread().getName() + " is done.");
                }
            });
        }
    } catch (UnsupportedOperationException e)//we can't read everything in at once
    {
        //all we need to do in this block is find a way to set "workers"
        for (int i = 0; i < NUM_WORKERS; i++) {
            workers.add(new Thread() {
                private final int chunk = (int) (Math.random() * 100) + 150;//pick a random chunk so we are not going back to the FS all at the same time and potentially causing a bottle neck

                @Override
                public void run() {
                    ThreadLocal<Integer> counter = new ThreadLocal<>();
                    counter.set(new Integer(0));
                    try {
                        List<Document> docs = getDocumentsFromFS(chunk);//grab a handful of documents
                        while (docs.size() > 0) {
                            for (Document d : docs)//process the documents we grabbed
                            {
                                //logger.debug("Processing document: " + d.toString());
                                postDocument(getDb(), getTb(), d);//post them up
                                counter.set(counter.get() + 1);
                            }
                            docs = getDocumentsFromFS(chunk);//grab another handful of documents
                        }
                        logger.info("Thread " + Thread.currentThread().getName() + " is done. It processed "
                                + counter.get() + " documents.");
                    } catch (IOException | ParseException e) {
                        logger.error("Couldn't read from document", e);
                    }
                }
            });
        }
    }

    //long start = new Date().getTime();
    StopWatch sw = new StopWatch();
    sw.start();
    //start your threads!
    for (Thread t : workers) {
        t.start();
    }
    logger.info("All threads started, waiting for completion.");
    boolean allDone = false;
    boolean first = true;
    while (!allDone || first) {
        first = false;
        boolean done = true;
        for (Thread t : workers) {
            if (t.isAlive()) {
                done = false;
                logger.info("Thread " + t.getName() + " is still running.");
                break;
            }
        }
        if (done) {
            allDone = true;
            sw.stop();
        } else {
            logger.info("We still have workers running...");
            Thread.sleep(5000);
        }
    }

    long miliseconds = sw.getTime();
    double seconds = (double) miliseconds / 1000d;
    output.info("Doc: Done loading data using: " + NUM_WORKERS + " and URL: " + BASE_URI + ". Took: " + seconds
            + " seconds");
    double tpms = (double) numDocs / (double) miliseconds;
    double tps = tpms * 1000;
    double transactionTime = (double) miliseconds / (double) numDocs;
    output.info(this.getDb().name() + " Doc: Average Transactions Per Second: " + tps);
    output.info(this.getDb().name() + " Doc: Average Transactions Time (in miliseconds): " + transactionTime);
    Thread.sleep(100000);//sleep a bit to let the DB digest that before trying anything else
}

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From source file:org.kaaproject.kaa.server.appenders.cassandra.appender.CassandraLogEventDao.java

private String formatTs(String tsValue, ColumnMappingElement element) {
    if (tsValue == null) {
        long ts = System.currentTimeMillis();
        final String pattern = element.getValue();
        if (pattern == null || pattern.isEmpty()) {
            tsValue = ts + "";
        } else {/*from   www  . ja  v  a 2  s .com*/
            ThreadLocal<SimpleDateFormat> formatterTL = dateFormatMap.get(pattern);
            if (formatterTL == null) {
                formatterTL = new ThreadLocal<SimpleDateFormat>() {
                    @Override
                    protected SimpleDateFormat initialValue() {
                        return new SimpleDateFormat(pattern);
                    }
                };
                dateFormatMap.putIfAbsent(pattern, formatterTL);
            }
            SimpleDateFormat formatter = formatterTL.get();
            if (formatter == null) {
                formatter = new SimpleDateFormat(pattern);
                formatterTL.set(formatter);
            }
            tsValue = formatter.format(new Date(ts));
        }
    }
    return tsValue;
}

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From source file:pl.psnc.ep.rt.web.servlets.CollXMLServlet.java

private static void addDateTimes(Element metadata, Element content)
        throws RemoteException, DLibraException, InterruptedException, ExecutionException {
    final ContentServer cs = ServicesManager.getInstance().getContetServer();

    final ThreadLocal<DocumentBuilder> documentBuilderTL = new ThreadLocal<DocumentBuilder>() {

        @Override//from   www .ja v  a2s .c o m
        protected DocumentBuilder initialValue() {
            try {
                DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
                factory.setNamespaceAware(true);
                return factory.newDocumentBuilder();
            } catch (ParserConfigurationException e) {
                throw new RuntimeException("Default parser configuration failed?", e);
            }
        }
    };

    Date created = null, revised = null;
    NodeList modules = content.getElementsByTagNameNS(Namespace.COL.URI, "module");
    List<Future<Document>> parsedModules = new ArrayList<Future<Document>>();

    for (int i = 0; i < modules.getLength(); i++) {
        final File file = (File) modules.item(i).getUserData(KEY_FILE);
        final VersionId versionId = file.getVersionIds().get(0);
        parsedModules.add(threadPool.submit(new Callable<Document>() {

            @SuppressWarnings("resource")
            @Override
            public Document call() throws Exception {
                InputStream inputStream = cs.getVersionInputStream(versionId);
                Document module = null;
                try {
                    try {
                        module = documentBuilderTL.get().parse(inputStream);
                    } finally {
                        inputStream.close();
                    }
                } catch (Exception e) {
                    logger.warn("Could not parse file version " + versionId, e);
                } finally {
                    cs.releaseElement(versionId);
                }
                return module;
            }
        }));
    }

    SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm z");
    for (Future<Document> futureModule : parsedModules) {
        Document module = futureModule.get();
        created = findDate(created, df, module, TAG_CREATED, false);
        revised = findDate(revised, df, module, TAG_REVISED, true);
    }

    if (created != null) {
        NodeList nodeList = metadata.getElementsByTagNameNS(Namespace.MD.URI, TAG_CREATED);
        nodeList.item(0).setTextContent(df.format(created));
    }
    if (revised != null) {
        NodeList nodeList = metadata.getElementsByTagNameNS(Namespace.MD.URI, TAG_REVISED);
        nodeList.item(0).setTextContent(df.format(revised));
    }
}

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