Example usage for java.lang ThreadLocal ThreadLocal

Introduction

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

Prototype

public ThreadLocal() 

Source Link

Document

Creates a thread local variable.

Usage

From source file:org.apache.pig.backend.hadoop.executionengine.tez.PigProcessor.java

@Override
public void close() throws Exception {
    // Avoid memory leak. ThreadLocals especially leak a lot of memory.
    // The Reporter and Context objects hold TezProcessorContextImpl
    // which holds input and its sort buffers which are huge.
    PhysicalOperator.reporter = new ThreadLocal<PigProgressable>();
    PigMapReduce.sJobConfInternal = new ThreadLocal<Configuration>();
    PigMapReduce.sJobContext = null;//  w  w  w.j  a  v  a  2 s  .  co  m
    PigContext.setPackageImportList(null);
    UDFContext.destroy();
    execPlan = null;
    fileOutputs = null;
    leaf = null;
    conf = null;
    sampleMap = null;
    sampleVertex = null;
    if (pigHadoopLogger != null) {
        pigHadoopLogger.destroy();
        pigHadoopLogger = null;
    }
}

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From source file:org.arrow.runtime.execution.Execution.java

public void setCurrentEventMessage(EventMessage currentEventMessage) {
    if (this.currentEventMessage == null) {
        this.currentEventMessage = new ThreadLocal<>();
    }//from ww w .  j  a  v  a 2  s. c  om
    this.currentEventMessage.set(currentEventMessage);
}

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From source file:org.squale.jraf.provider.persistence.hibernate.PersistenceProviderImpl.java

public ISession getSession() throws JrafPersistenceException {

    SessionImpl lc_session = null;/*from   www .jav  a 2  s .  c  om*/

    if (sessions != null) {

        try {

            // cas Thread local session
            if (isThreadLocalSession()) {

                if (log.isDebugEnabled()) {
                    log.debug("Cas Thread Local Session...");
                }

                // on cree un thread local si il n'existe pas
                if (getThreadLocal() == null) {
                    setThreadLocal(new ThreadLocal());
                }

                // recuperation de la session du thread local
                lc_session = (SessionImpl) threadLocal.get();
                if (lc_session == null) {
                    if (log.isDebugEnabled()) {
                        log.debug("Cas session null...");
                    }

                    // creation de la session
                    lc_session = new SessionImpl(sessions.openSession(), this);
                    // on met la session dans le thread local
                    threadLocal.set(lc_session);
                } else {
                    if (log.isDebugEnabled()) {
                        log.debug("Cas session deja creee...");
                    }

                    // cas session longue
                    if (isLongSession()) {
                        if (log.isDebugEnabled()) {
                            log.debug("Cas session longue...");
                        }

                        // reconnexion de la session si besoin
                        if (!lc_session.getSession().isConnected()) {
                            if (log.isDebugEnabled()) {
                                log.debug("Connexion de la session...");
                            }
                            // Depsuis hibernate 3 plus besoin de faire de reconnect et disconnect 
                            //                     lc_session.getSession().reconnect();
                        }

                    }
                }

                // cas transaction automatique
                if (isAutomaticTransaction()) {
                    if (log.isDebugEnabled()) {
                        log.debug("Cas transaction automatique...");
                    }

                    if (!lc_session.isInTransaction()) {
                        if (log.isDebugEnabled()) {
                            log.debug("Pas de transaction existante...");
                            log.debug("Demarrage d'une transaction...");
                        }

                        lc_session.beginTransaction();
                    }

                }

            }
            // cas simple
            // pas de thread local session
            else {
                if (log.isDebugEnabled()) {
                    log.debug("Cas simple...");
                    log.debug("Creation d'une nouvelle session...");
                }
                // initialisation de la session
                lc_session = new SessionImpl(sessions.openSession(), this);
            }

            return lc_session;

        } catch (Exception e) {
            String message = "La demande d'une nouvelle session hibernate a chou  cause d'un problme de SGBD";
            log.fatal(message, e);
            throw new JrafPersistenceException(message, e);
        }

    } else {
        log.fatal(
                "La demande d'une nouvelle session hibernate a chou. Erreur : l'objet sessions hibernate est null");
        throw new JrafPersistenceException(
                "La demande d'une nouvelle session hibernate a chou. Erreur : l'objet sessions hibernate est null");
    }
}

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From source file:biz.c24.io.spring.batch.reader.C24ItemReader.java

/**
 * Set whether or not you want validation to be performed on the parsed CDOs. 
 * An exception will be thrown for any entity which fails validation.
 * // w ww  .  ja v a2 s.c o m
 * @param validate Whether or not to validate parsed CDOs
 */
public void setValidate(boolean validate) {
    validator = validate ? new ThreadLocal<ValidationManager>() : null;
}

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From source file:de.tudarmstadt.lt.ltbot.postprocessor.DecesiveValueProducerPerplexity.java

private boolean connectStringProviderService() {
    LOG.info(/* w  w w  . ja  va  2 s .  c  o  m*/
            String.format("Connecting to service rmi://%s:%d/%s.", getRmihost(), getRmiport(), getServiceID()));
    if (_lmprvdr == null) {
        _lmprvdr = new ThreadLocal<StringProviderMXBean>() {
            @Override
            protected StringProviderMXBean initialValue() {
                return AbstractStringProvider.connectToServer(getRmihost(), getRmiport(), getServiceID());
            }
        };
    } else {
        _lmprvdr.set(AbstractStringProvider.connectToServer(getRmihost(), getRmiport(), getServiceID()));
    }
    if (_lmprvdr.get() == null) {
        LOG.severe(String.format("Could not connect to service rmi://%s:%d/%s.", getRmihost(), getRmiport(),
                getServiceID()));
        return false;
    }
    LOG.info(String.format("Connected to service rmi://%s:%d/%s.", getRmihost(), getRmiport(), getServiceID()));
    return true;
}

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From source file:com.jfastnet.AbstractTest.java

public Config newClientConfig() {
    ThreadLocal<Kryo> kryos = new ThreadLocal<Kryo>() {
        protected Kryo initialValue() {
            Kryo kryo = new Kryo();
            kryo.setInstantiatorStrategy(new Kryo.DefaultInstantiatorStrategy(new StdInstantiatorStrategy()));
            customizeKryo(kryo);/*  ww w . ja v a  2  s. c o m*/
            return kryo;
        }
    };
    Config config = new Config();
    config.host = "localhost";
    config.port = 15150;
    config.bindPort = 0;
    config.connectTimeout = 10000;
    config.serialiser = new KryoSerialiser(new SerialiserConfig(), kryos);
    config.udpPeerClass = JavaNetPeer.class;
    //      config.udpPeer = new KryoNettyPeer(config);
    config.externalReceiver = message1 -> message1.process(null);
    config.keepAliveInterval = 700;
    config.getAdditionalConfig(
            MessageLogProcessor.ProcessorConfig.class).messageLogReceiveFilter = message -> true;
    config.compressBigMessages = true;
    config.autoSplitTooBigMessages = true;

    return (config);
}

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From source file:com.jaspersoft.jasperserver.api.metadata.common.service.impl.hibernate.HibernateRepositoryServiceImpl.java

public HibernateRepositoryServiceImpl() {
    tempNameResources = new ThreadLocal();
}

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From source file:com.hiperf.common.ui.server.storage.impl.PersistenceHelper.java

private PersistenceHelper(TYPE t, String unitName) {
    startLicenseCheck();//from   ww w.j  av  a 2s  .c  o m

    this.type = t;
    try {
        emf = Persistence.createEntityManagerFactory(unitName);
        emByThread = new ThreadLocal<EntityManager>();
    } catch (Exception ee) {
        logger.log(Level.SEVERE, "Exception while init Persistence.xml...", ee);
        throw new RuntimeException(ee);
    }
    if (this.type.equals(TYPE.JTA)) {
        try {
            Context c = new InitialContext();
            tx = new JtaTransaction((UserTransaction) c.lookup("java:comp/UserTransaction"));
        } catch (NamingException e) {
            logger.log(Level.SEVERE, "Exception while initializing PersistenceHelper in JTA...", e);
            type = TYPE.LOCAL;
        }
    }
    if (emf.getMetamodel().getEntities() != null && !emf.getMetamodel().getEntities().isEmpty()) {
        for (EntityType e : emf.getMetamodel().getEntities()) {
            try {
                initClassMapping(e.getBindableJavaType().getName());
            } catch (Exception e1) {
                logger.log(Level.SEVERE, "Exception", e1);
            }
        }
    }
    endLicenseCheck();

}

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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);
                                }/*ww  w  .  j  a v  a2s .  c  o m*/
                            }
                        }).end();
            } finally {
                IOUtils.closeQuietly(inputStream);
            }
        }
    }

    return bufferedImage.get();
}

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From source file:com.springsense.nutch.indexer.SpringSenseIndexingFilter.java

public ThreadLocal<Disambiguator> getDisambiguatorStore() {
    if (disambiguatorStore == null) {
        disambiguatorStore = new ThreadLocal<Disambiguator>() {

            @Override//w w  w  .j a v a2  s .  co m
            protected Disambiguator initialValue() {
                try {
                    LOG.info("Opening a new disambiguator for this thread.");
                    return (getDisambiguatorFactory().openNewDisambiguator());
                } catch (IOException e) {
                    throw new RuntimeException("Could not create new disambiguator due to an error", e);
                }
            }

        };
    }
    return disambiguatorStore;
}

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