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:com.foursquare.twofishes.io.MapFileConcurrentReader.java

protected synchronized void open(Path dir, WritableComparator comparator, final Configuration conf,
        final SequenceFile.Reader.Option... options) throws IOException {
    final Path dataFile = new Path(dir, MapFile.DATA_FILE_NAME);
    final Path indexFile = new Path(dir, MapFile.INDEX_FILE_NAME);

    // open the data
    this.data = new ThreadLocal<SequenceFile.Reader>() {
        protected SequenceFile.Reader initialValue() {
            try {
                SequenceFile.Reader r = createDataFileReader(dataFile, conf, options);
                LOG.info("opened new SequenceFile.Reader for " + dataFile);
                synchronized (this) {
                    allDataFiles.add(r);
                }/*from w ww .  j a v  a  2s .  co  m*/
                return r;
            } catch (IOException ioe) {
                throw new RuntimeException(ioe);
            }
        }
    };
    this.firstPosition = data.get().getPosition();

    this.comparator = WritableComparator.get(data.get().getKeyClass().asSubclass(WritableComparable.class));

    // open the index
    SequenceFile.Reader.Option[] indexOptions = Options.prependOptions(options,
            SequenceFile.Reader.file(indexFile));
    this.index = new SequenceFile.Reader(conf, indexOptions);
}

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From source file:net.netheos.pcsapi.oauth.PasswordSessionManager.java

private synchronized HttpContext getHttpContext(HttpHost host) {
    ThreadLocal<HttpContext> tlContext = cache.get(host);
    if (tlContext == null) {
        tlContext = new ThreadLocal<HttpContext>();
        cache.put(host, tlContext);/*from w w  w  .j  a v  a 2  s.com*/
    }
    HttpContext context = tlContext.get();
    if (context == null) {
        AuthScope scope = new AuthScope(host.getHostName(), host.getPort());
        CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
        credentialsProvider.setCredentials(scope, usernamePasswordCredentials);

        context = new BasicHttpContext();
        context.setAttribute(ClientContext.CREDS_PROVIDER, credentialsProvider);
        tlContext.set(context);
    }
    return context;
}

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From source file:org.apache.hadoop.io.MapFileConcurrentReader.java

protected synchronized void open(Path dir, WritableComparator comparator, final Configuration conf,
        final SequenceFile.Reader.Option... options) throws IOException {
    final Path dataFile = new Path(dir, MapFile.DATA_FILE_NAME);
    final Path indexFile = new Path(dir, MapFile.INDEX_FILE_NAME);

    // open the data
    this.data = new ThreadLocal<SequenceFile.Reader>() {
        protected SequenceFile.Reader initialValue() {
            try {
                SequenceFile.Reader r = createDataFileReader(dataFile, conf, options);
                LOG.info("opened new SequenceFile.Reader for " + dataFile);
                synchronized (this) {
                    allDataFiles.add(r);
                }/*from   ww  w  .  ja  v a2 s.  c o  m*/
                return r;
            } catch (IOException ioe) {
                throw new RuntimeException(ioe);
            }
        }
    };
    this.firstPosition = data.get().getPosition();

    if (comparator == null)
        this.comparator = WritableComparator.get(data.get().getKeyClass().asSubclass(WritableComparable.class));
    else
        this.comparator = comparator;

    // open the index
    SequenceFile.Reader.Option[] indexOptions = Options.prependOptions(options,
            SequenceFile.Reader.file(indexFile));
    this.index = new SequenceFile.Reader(conf, indexOptions);
}

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From source file:fr.ippon.wip.http.hc.HttpClientResourceManager.java

private HttpClientResourceManager() {
    perUserClientMap = Collections.synchronizedMap(new HashMap<String, HttpClient>());
    perUserCookieStoreMap = Collections.synchronizedMap(new HashMap<String, CookieStore>());
    perUserWindowCredentialProviderMap = Collections
            .synchronizedMap(new HashMap<String, CredentialsProvider>());
    currentPortletRequest = new ThreadLocal<PortletRequest>();
    currentPortletResponse = new ThreadLocal<PortletResponse>();
    currentRequest = new ThreadLocal<RequestBuilder>();

    try {/*from w w  w . jav  a 2 s  . c  o  m*/
        SSLSocketFactory ssf = new SSLSocketFactory(new TrustSelfSignedStrategy(),
                new AllowAllHostnameVerifier());
        Scheme httpsScheme = new Scheme("https", 443, ssf);
        PlainSocketFactory psf = new PlainSocketFactory();
        Scheme httpScheme = new Scheme("http", 80, psf);
        SchemeRegistry registry = new SchemeRegistry();
        registry.register(httpsScheme);
        registry.register(httpScheme);
        connectionManager = new PoolingClientConnectionManager(registry);
        connectionManager.setDefaultMaxPerRoute(10);
        connectionManager.setMaxTotal(100);

        DefaultHttpClient defaultHttpClient = new DefaultHttpClient(connectionManager);

        // automatically redirects all HEAD, GET and POST requests
        defaultHttpClient.setRedirectStrategy(new LaxRedirectStrategy());

        CacheConfig cacheConfig = createAndConfigureCache();

        URL ehCacheConfig = getClass().getResource("/ehcache.xml");
        cacheManager = CacheManager.create(ehCacheConfig);
        Ehcache ehcache = cacheManager.getEhcache("public");
        EhcacheHttpCacheStorage httpCacheStorage = new EhcacheHttpCacheStorage(ehcache);

        CachingHttpClient sharedCacheClient = new CachingHttpClient(defaultHttpClient, httpCacheStorage,
                cacheConfig);
        HttpClientDecorator decoratedClient = new HttpClientDecorator(sharedCacheClient);

        decoratedClient.addPreProcessor(new LtpaRequestInterceptor());
        decoratedClient.addPreProcessor(new StaleIfErrorRequestInterceptor(staleIfErrorTime));
        decoratedClient.addFilter(new IgnoreHttpRequestFilter());

        decoratedClient.addPostProcessor(new TransformerResponseInterceptor());

        rootClient = decoratedClient;

    } catch (Exception e) {
        throw new RuntimeException("Could not initialize connection manager", e);
    }

}

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

private static DateFormat getMonthlyFormat() {
    if (monthlyFormat == null) {
        monthlyFormat = new ThreadLocal<DateFormat>() {
            @Override//from  w ww  .jav  a  2  s .co  m
            protected SimpleDateFormat initialValue() {
                return new SimpleDateFormat(MONTHLY.formatStr());
            }
        };
    }
    return monthlyFormat.get();
}

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From source file:org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce.java

public static void staticDataCleanup() {
    sJobContext = null;
    sJobConf = null;
    sJobConfInternal = new ThreadLocal<Configuration>();
}

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From source file:com.espertech.esper.core.EPRuntimeIsolatedImpl.java

/**
 * Ctor./*from  w  w  w.j a  v a 2 s. c o  m*/
 * @param svc isolated services
 * @param unisolatedSvc engine services
 */
public EPRuntimeIsolatedImpl(EPIsolationUnitServices svc, EPServicesContext unisolatedSvc) {
    this.services = svc;
    this.unisolatedServices = unisolatedSvc;
    this.threadWorkQueue = new ThreadWorkQueue();
    isSubselectPreeval = unisolatedSvc.getEngineSettingsService().getEngineSettings().getExpression()
            .isSelfSubselectPreeval();
    isPrioritized = unisolatedSvc.getEngineSettingsService().getEngineSettings().getExecution().isPrioritized();
    isLatchStatementInsertStream = unisolatedSvc.getEngineSettingsService().getEngineSettings().getThreading()
            .isInsertIntoDispatchPreserveOrder();

    isolatedTimeEvalContext = new ExprEvaluatorContext() {
        private ExpressionResultCacheService expressionResultCacheService = new ExpressionResultCacheService();

        public TimeProvider getTimeProvider() {
            return services.getSchedulingService();
        }

        public ExpressionResultCacheService getExpressionResultCacheService() {
            return expressionResultCacheService;
        }
    };

    matchesPerStmtThreadLocal = new ThreadLocal<Map<EPStatementHandle, ArrayDeque<FilterHandleCallback>>>() {
        protected synchronized Map<EPStatementHandle, ArrayDeque<FilterHandleCallback>> initialValue() {
            if (isPrioritized) {
                return new TreeMap<EPStatementHandle, ArrayDeque<FilterHandleCallback>>(
                        new Comparator<EPStatementHandle>() {
                            public int compare(EPStatementHandle o1, EPStatementHandle o2) {
                                if (o1 == o2) {
                                    return 0;
                                }
                                if (o1.equals(o2)) {
                                    return 0;
                                }
                                return o1.getPriority() >= o2.getPriority() ? -1 : 1;
                            }
                        });
            } else {
                return new HashMap<EPStatementHandle, ArrayDeque<FilterHandleCallback>>(10000);
            }
        }
    };

    schedulePerStmtThreadLocal = new ThreadLocal<Map<EPStatementHandle, Object>>() {
        protected synchronized Map<EPStatementHandle, Object> initialValue() {
            if (isPrioritized) {
                return new TreeMap<EPStatementHandle, Object>(new Comparator<EPStatementHandle>() {
                    public int compare(EPStatementHandle o1, EPStatementHandle o2) {
                        if (o1 == o2) {
                            return 0;
                        }
                        if (o1.equals(o2)) {
                            return 0;
                        }
                        return o1.getPriority() >= o2.getPriority() ? -1 : 1;
                    }
                });
            } else {
                return new HashMap<EPStatementHandle, Object>(10000);
            }
        }
    };
}

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

public ThriftCLIService_bak(CLIService service, String serviceName) {
    super(serviceName);
    this.cliService = service;
    currentServerContext = new ThreadLocal<ServerContext>();
    serverEventHandler = new TServerEventHandler() {
        @Override/*from ww  w. j av  a 2  s .  c  om*/
        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);
        }
    };
}

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From source file:org.apache.sandesha2.storage.jdbc.PersistentStorageManager.java

public PersistentStorageManager(ConfigurationContext context) throws SandeshaException {
    super(context);
    log.info("create PersistentStorageManager");
    storageMap = new HashMap<String, MessageContext>();
    threadTransaction = new ThreadLocal<Transaction>();
    pRMSBeanMgr = new PersistentRMSBeanMgr(this);
    pRMDBeanMgr = new PersistentRMDBeanMgr(this);
    pSenderBeanMgr = new PersistentSenderBeanMgr(this);
    pInvokerBeanMgr = new PersistentInvokerBeanMgr(this);
    sender = new Sender();
    // Note that while inOrder is a global property we can decide if we need the
    // invoker thread at this point. If we change this to be a sequence-level
    // property then we'll need to revisit this.
    SandeshaPolicyBean policy = SandeshaUtil.getPropertyBean(context.getAxisConfiguration());
    useSerialization = policy.isUseMessageSerialization();
    if (policy.isInOrder())
        invoker = new Invoker();
    if (policy.isEnableMakeConnection())
        pollingManager = new PollingManager();
    ModuleConfiguration mc = context.getAxisConfiguration().getModuleConfig("sandesha2");
    if (mc != null) {
        Parameter param = mc.getParameter("db.connectionstring");
        if (param != null) {
            dbConnectionString = (String) param.getValue();
            log.debug(param.getName() + "=" + dbConnectionString);
        }//from www.j a va2 s. co  m
        param = mc.getParameter("db.driver");
        if (param != null) {
            dbDriver = (String) param.getValue();
            log.debug(param.getName() + "=" + dbDriver);
        }
        param = mc.getParameter("db.user");
        if (param != null) {
            dbUser = (String) param.getValue();
            log.debug(param.getName() + "=" + dbUser);
        }
        param = mc.getParameter("db.password");
        if (param != null) {
            dbPassword = (String) param.getValue();
            log.debug(param.getName() + "=" + dbPassword);
        }
    }

    this.transactionLock = new TransactionLock();
}

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From source file:org.apache.jmeter.util.JsseSSLManager.java

/**
 * Create the SSLContext, and wrap all the X509KeyManagers with
 * our X509KeyManager so that we can choose our alias.
 *
 * @param provider/* w w  w.  ja  va 2  s.com*/
 *            Description of Parameter
 */
public JsseSSLManager(Provider provider) {
    log.debug("ssl Provider =  " + provider);
    setProvider(provider);
    if (null == this.rand) { // Surely this is always null in the constructor?
        this.rand = new SecureRandom();
    }
    try {
        if (SHARED_SESSION_CONTEXT) {
            log.debug("Creating shared context");
            this.defaultContext = createContext();
        } else {
            this.threadlocal = new ThreadLocal<>();
        }

        HttpsURLConnection.setDefaultSSLSocketFactory(new HttpSSLProtocolSocketFactory(this, CPS));
        HttpsURLConnection.setDefaultHostnameVerifier(new HostnameVerifier() {
            @Override
            public boolean verify(String hostname, SSLSession session) {
                return true;
            }
        });

        /*
         * Also set up HttpClient defaults
         */
        Protocol protocol = new Protocol(JsseSSLManager.HTTPS,
                (ProtocolSocketFactory) new HttpSSLProtocolSocketFactory(this, CPS), 443);
        Protocol.registerProtocol(JsseSSLManager.HTTPS, protocol);
        log.debug("SSL stuff all set");
    } catch (GeneralSecurityException ex) {
        log.error("Could not set up SSLContext", ex);
    }
    log.debug("JsseSSLManager installed");
}

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