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.lens.cube.metadata.UpdatePeriod.java

private static DateFormat getQuarterlyFormat() {
    if (quarterlyFormat == null) {
        quarterlyFormat = new ThreadLocal<DateFormat>() {
            @Override// w  w w.j a  v  a  2s .c o  m
            protected SimpleDateFormat initialValue() {
                return new SimpleDateFormat(QUARTERLY.formatStr());
            }
        };
    }
    return quarterlyFormat.get();
}

From source file:com.google.feedserver.tools.FeedServerClientTool.java

public FeedServerClientTool() {
    indentation = new ThreadLocal<Integer>();
    indentation.set(0);
}

From source file:org.apache.hive.service.cli.thrift.ThriftCLIService_bak_20170116.java

public ThriftCLIService_bak_20170116(CLIService service, String serviceName) {
    super(serviceName);
    String host = "ip_instead_tmp";
    String port = "10000";
    String url = "jdbc:hive2://" + host + ":" + port + "/bill";
    Properties pro = new Properties();
    HiveConnection hc = null;/*from w w  w  .jav a2 s.  com*/

    try {
        hc = new HiveConnection(url, pro);

    } catch (SQLException e) {
        e.printStackTrace();
    }
    this.cliService = service;
    this.cliClient = hc.client;

    currentServerContext = new ThreadLocal<ServerContext>();
    serverEventHandler = new TServerEventHandler() {
        @Override
        public ServerContext createContext(TProtocol input, TProtocol output) {
            Metrics metrics = MetricsFactory.getInstance();
            if (metrics != null) {
                try {
                    metrics.incrementCounter(MetricsConstant.OPEN_CONNECTIONS);
                } catch (Exception e) {
                    LOG.warn("Error Reporting JDO operation to Metrics system", e);
                }
            }
            return new ThriftCLIServerContext();
        }

        @Override
        public void deleteContext(ServerContext serverContext, TProtocol input, TProtocol output) {
            Metrics metrics = MetricsFactory.getInstance();
            if (metrics != null) {
                try {
                    metrics.decrementCounter(MetricsConstant.OPEN_CONNECTIONS);
                } catch (Exception e) {
                    LOG.warn("Error Reporting JDO operation to Metrics system", e);
                }
            }
            ThriftCLIServerContext context = (ThriftCLIServerContext) serverContext;
            SessionHandle sessionHandle = context.getSessionHandle();
            if (sessionHandle != null) {
                LOG.info("Session disconnected without closing properly, close it now");
                try {
                    cliService.closeSession(sessionHandle);
                } catch (HiveSQLException e) {
                    LOG.warn("Failed to close session: " + e, e);
                }
            }
        }

        @Override
        public void preServe() {
        }

        @Override
        public void processContext(ServerContext serverContext, TTransport input, TTransport output) {
            currentServerContext.set(serverContext);
        }
    };
}

From source file:org.apache.hive.service.cli.thrift.ThriftCLIService_bak_20170120.java

public ThriftCLIService_bak_20170120(CLIService service, String serviceName) {
    super(serviceName);
    String host = "ip_instead_tmp";
    String port = "10000";
    String url = "jdbc:hive2://" + host + ":" + port + "/bill;hive.metastore.uris=thrift://ip_instead_tmp:9083";

    Properties pro = new Properties();
    HiveConnection hc = null;//  ww  w  .  j a  v a 2  s  .co  m

    try {
        hc = new HiveConnection(url, pro);

    } catch (SQLException e) {
        e.printStackTrace();
    }
    this.cliService = service;
    this.cliClient = hc.client;

    currentServerContext = new ThreadLocal<ServerContext>();
    serverEventHandler = new TServerEventHandler() {
        @Override
        public ServerContext createContext(TProtocol input, TProtocol output) {
            Metrics metrics = MetricsFactory.getInstance();
            if (metrics != null) {
                try {
                    metrics.incrementCounter(MetricsConstant.OPEN_CONNECTIONS);
                } catch (Exception e) {
                    LOG.warn("Error Reporting JDO operation to Metrics system", e);
                }
            }
            return new ThriftCLIServerContext();
        }

        @Override
        public void deleteContext(ServerContext serverContext, TProtocol input, TProtocol output) {
            Metrics metrics = MetricsFactory.getInstance();
            if (metrics != null) {
                try {
                    metrics.decrementCounter(MetricsConstant.OPEN_CONNECTIONS);
                } catch (Exception e) {
                    LOG.warn("Error Reporting JDO operation to Metrics system", e);
                }
            }
            ThriftCLIServerContext context = (ThriftCLIServerContext) serverContext;
            SessionHandle sessionHandle = context.getSessionHandle();
            if (sessionHandle != null) {
                LOG.info("Session disconnected without closing properly, close it now");
                try {
                    cliService.closeSession(sessionHandle);
                } catch (HiveSQLException e) {
                    LOG.warn("Failed to close session: " + e, e);
                }
            }
        }

        @Override
        public void preServe() {
        }

        @Override
        public void processContext(ServerContext serverContext, TTransport input, TTransport output) {
            currentServerContext.set(serverContext);
        }
    };
}

From source file:org.apache.lens.cube.metadata.UpdatePeriod.java

private static DateFormat getYearlyFormat() {
    if (yearlyFormat == null) {
        yearlyFormat = new ThreadLocal<DateFormat>() {
            @Override/*ww w  .  ja  v  a 2  s .c  o m*/
            protected SimpleDateFormat initialValue() {
                return new SimpleDateFormat(YEARLY.formatStr());
            }
        };
    }
    return yearlyFormat.get();
}

From source file:com.google.feedserver.tools.FeedServerClientTool.java

public FeedServerClientTool(TypelessFeedServerClient feedServerClient) {
    // initialize indentation for print result
    indentation = new ThreadLocal<Integer>();
    indentation.set(0);/*from w w w  .  j  a v  a 2 s.c  o m*/
    this.feedServerClient = feedServerClient;
}

From source file:org.codice.alliance.transformer.nitf.image.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 ww .j  a va 2 s  .  c o  m
                    }
                }).end();
    }

    return bufferedImage.get();
}

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

@SuppressWarnings("unchecked")
@Override/*w w w.  jav a 2  s.com*/
public void initialize() throws Exception {
    // Reset any static variables to avoid conflict in container-reuse.
    sampleVertex = null;
    sampleMap = null;

    // Reset static variables cleared for avoiding OOM.
    // TODO: Figure out a cleaner way to do this. ThreadLocals actually can be avoided all together
    // for mapreduce/tez mode and just used for Local mode.
    PhysicalOperator.reporter = new ThreadLocal<PigProgressable>();
    PigMapReduce.sJobConfInternal = new ThreadLocal<Configuration>();

    UserPayload payload = getContext().getUserPayload();
    conf = TezUtils.createConfFromUserPayload(payload);
    PigContext.setPackageImportList(
            (ArrayList<String>) ObjectSerializer.deserialize(conf.get("udf.import.list")));
    PigContext pc = (PigContext) ObjectSerializer.deserialize(conf.get("pig.pigContext"));

    // To determine front-end in UDFContext
    conf.set(MRConfiguration.JOB_APPLICATION_ATTEMPT_ID, getContext().getUniqueIdentifier());
    UDFContext.getUDFContext().addJobConf(conf);
    UDFContext.getUDFContext().deserialize();

    String execPlanString = conf.get(PLAN);
    execPlan = (PhysicalPlan) ObjectSerializer.deserialize(execPlanString);
    SchemaTupleBackend.initialize(conf, pc);
    PigMapReduce.sJobContext = HadoopShims.createJobContext(conf, new org.apache.hadoop.mapreduce.JobID());

    // Set the job conf as a thread-local member of PigMapReduce
    // for backwards compatibility with the existing code base.
    PigMapReduce.sJobConfInternal.set(conf);

    boolean aggregateWarning = "true".equalsIgnoreCase(pc.getProperties().getProperty("aggregate.warning"));
    PigStatusReporter pigStatusReporter = PigStatusReporter.getInstance();
    pigStatusReporter.setContext(new TezTaskContext(getContext()));
    pigHadoopLogger = PigHadoopLogger.getInstance();
    pigHadoopLogger.setReporter(pigStatusReporter);
    pigHadoopLogger.setAggregate(aggregateWarning);
    PhysicalOperator.setPigLogger(pigHadoopLogger);

    LinkedList<TezTaskConfigurable> tezTCs = PlanHelper.getPhysicalOperators(execPlan,
            TezTaskConfigurable.class);
    for (TezTaskConfigurable tezTC : tezTCs) {
        tezTC.initialize(getContext());
    }
}

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

/**
 * Pre-traitement d'une requete HTTP//from www  .j  a v  a  2 s  . c o  m
 */
public void preProcess(ServletRequest request, ServletResponse response) throws IOException, ServletException {

    SessionImpl session = null;
    Iterator iterator = getProvidersMap().entrySet().iterator();
    Map.Entry entry = null;
    PersistenceProviderImpl persistenceProvider = null;
    String providerName = null;
    HttpServletRequest httpRequest = (HttpServletRequest) request;
    HttpSession httpSession = null;

    // pour chaque provider
    while (iterator.hasNext()) {

        entry = (Map.Entry) iterator.next();
        providerName = (String) entry.getKey();
        persistenceProvider = (PersistenceProviderImpl) entry.getValue();

        if (log.isDebugEnabled()) {
            log.debug("providerName=" + providerName);
        }

        // cas thread local session et longue session
        if (persistenceProvider.isThreadLocalSession() && persistenceProvider.isLongSession()) {
            if (log.isDebugEnabled()) {
                log.debug("Cas thread local session et session longue...");
            }

            httpSession = httpRequest.getSession();

            if (log.isDebugEnabled()) {
                log.debug("Recuperation de la session...");
            }
            session = (SessionImpl) httpSession.getAttribute(SESSIONS_KEY + providerName);

            if (session != null) {
                if (log.isDebugEnabled()) {
                    log.debug("Session existante...");
                    log.debug("Mise de la session dans le thread local storage...");
                }

                ThreadLocal tl = new ThreadLocal();
                tl.set(session);
                persistenceProvider.setThreadLocal(tl);
            } else {
                if (log.isDebugEnabled()) {
                    log.debug("Session non existante...");
                    log.debug("Elle sera creee en cas d'appel...");
                }
            }

        }

    }

    // rien a faire par defaut

}

From source file:lux.solr.XQueryComponent.java

public XQueryComponent() {
    logger = LoggerFactory.getLogger(XQueryComponent.class);
    evalHolder = new ThreadLocal<Evaluator>();
}