Example usage for java.util.concurrent ThreadPoolExecutor ThreadPoolExecutor

Introduction

In this page you can find the example usage for java.util.concurrent ThreadPoolExecutor ThreadPoolExecutor.

Prototype

public ThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit,
        BlockingQueue<Runnable> workQueue, RejectedExecutionHandler handler) 

Source Link

Document

Creates a new ThreadPoolExecutor with the given initial parameters and Executors#defaultThreadFactory default thread factory .

Usage

From source file:com.frand.easyandroid.http.FFHttpClient.java

public FFHttpClient() {
    BasicHttpParams httpParams = new BasicHttpParams();

    ConnManagerParams.setTimeout(httpParams, socketTimeout);
    ConnManagerParams.setMaxConnectionsPerRoute(httpParams, new ConnPerRouteBean(maxConnections));
    ConnManagerParams.setMaxTotalConnections(httpParams, DEFAULT_MAX_CONNECTIONS);

    HttpConnectionParams.setSoTimeout(httpParams, socketTimeout);
    HttpConnectionParams.setConnectionTimeout(httpParams, socketTimeout);
    HttpConnectionParams.setTcpNoDelay(httpParams, true);
    HttpConnectionParams.setSocketBufferSize(httpParams, DEFAULT_SOCKET_BUFFER_SIZE);

    HttpProtocolParams.setVersion(httpParams, HttpVersion.HTTP_1_1);

    SchemeRegistry schemeRegistry = new SchemeRegistry();
    schemeRegistry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
    schemeRegistry.register(new Scheme("https", SSLSocketFactory.getSocketFactory(), 443));
    ThreadSafeClientConnManager cm = new ThreadSafeClientConnManager(httpParams, schemeRegistry);

    httpContext = new SyncBasicHttpContext(new BasicHttpContext());
    httpClient = new DefaultHttpClient(cm, httpParams);
    httpClient.addRequestInterceptor(new HttpRequestInterceptor() {
        @Override/* w ww  . j  av a  2 s  .c o m*/
        public void process(HttpRequest request, HttpContext context) {
            if (!request.containsHeader(HEADER_ACCEPT_ENCODING)) {
                request.addHeader(HEADER_ACCEPT_ENCODING, ENCODING_GZIP);
            }
            for (String header : clientHeaderMap.keySet()) {
                request.addHeader(header, clientHeaderMap.get(header));
            }
        }
    });

    httpClient.addResponseInterceptor(new HttpResponseInterceptor() {
        @Override
        public void process(HttpResponse response, HttpContext context) {
            final HttpEntity entity = response.getEntity();
            if (entity == null) {
                return;
            }
            final Header encoding = entity.getContentEncoding();
            if (encoding != null) {
                for (HeaderElement element : encoding.getElements()) {
                    if (element.getName().equalsIgnoreCase(ENCODING_GZIP)) {
                        response.setEntity(new InflatingEntity(response.getEntity()));
                        break;
                    }
                }
            }
        }
    });

    httpClient.setHttpRequestRetryHandler(new FFRetryHandler(DEFAULT_MAX_RETRIES));

    threadPool = new ThreadPoolExecutor(DEFAULT_CORE_POOL_SIZE, DEFAULT_MAXIMUM_POOL_SIZE,
            DEFAULT_KEEP_ALIVETIME, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(3),
            new ThreadPoolExecutor.CallerRunsPolicy());

    requestMap = new WeakHashMap<Context, List<WeakReference<Future<?>>>>();
    clientHeaderMap = new HashMap<String, String>();
}

---

From source file:org.apache.hadoop.hbase.thrift2.ThriftServer.java

private static ExecutorService createExecutor(int workerThreads, ThriftMetrics metrics) {
    CallQueue callQueue = new CallQueue(new LinkedBlockingQueue<Call>(), metrics);
    ThreadFactoryBuilder tfb = new ThreadFactoryBuilder();
    tfb.setDaemon(true);/*from w  w  w .j a v a  2 s .com*/
    tfb.setNameFormat("thrift2-worker-%d");
    return new ThreadPoolExecutor(workerThreads, workerThreads, Long.MAX_VALUE, TimeUnit.SECONDS, callQueue,
            tfb.build());
}

---

From source file:cn.xdf.thinkutils.http2.AsyncHttpClient.java

public AsyncHttpClient() {
    BasicHttpParams httpParams = new BasicHttpParams();

    ConnManagerParams.setTimeout(httpParams, socketTimeout);
    ConnManagerParams.setMaxConnectionsPerRoute(httpParams, new ConnPerRouteBean(maxConnections));
    ConnManagerParams.setMaxTotalConnections(httpParams, DEFAULT_MAX_CONNECTIONS);

    HttpConnectionParams.setSoTimeout(httpParams, socketTimeout);
    HttpConnectionParams.setConnectionTimeout(httpParams, socketTimeout);
    HttpConnectionParams.setTcpNoDelay(httpParams, true);
    HttpConnectionParams.setSocketBufferSize(httpParams, DEFAULT_SOCKET_BUFFER_SIZE);

    HttpProtocolParams.setVersion(httpParams, HttpVersion.HTTP_1_1);
    HttpProtocolParams.setUserAgent(httpParams,
            String.format("thinkandroid/%s (http://www.thinkandroid.cn)", VERSION));

    SchemeRegistry schemeRegistry = new SchemeRegistry();
    schemeRegistry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
    schemeRegistry.register(new Scheme("https", SSLSocketFactory.getSocketFactory(), 443));
    ThreadSafeClientConnManager cm = new ThreadSafeClientConnManager(httpParams, schemeRegistry);

    httpContext = new SyncBasicHttpContext(new BasicHttpContext());
    httpClient = new DefaultHttpClient(cm, httpParams);
    httpClient.addRequestInterceptor(new HttpRequestInterceptor() {
        @Override//from w ww.  j  ava2s.  com
        public void process(HttpRequest request, HttpContext context) {
            if (!request.containsHeader(HEADER_ACCEPT_ENCODING)) {
                request.addHeader(HEADER_ACCEPT_ENCODING, ENCODING_GZIP);
            }
            for (String header : clientHeaderMap.keySet()) {
                request.addHeader(header, clientHeaderMap.get(header));
            }
        }
    });

    httpClient.addResponseInterceptor(new HttpResponseInterceptor() {
        @Override
        public void process(HttpResponse response, HttpContext context) {
            final HttpEntity entity = response.getEntity();
            if (entity == null) {
                return;
            }
            final Header encoding = entity.getContentEncoding();
            if (encoding != null) {
                for (HeaderElement element : encoding.getElements()) {
                    if (element.getName().equalsIgnoreCase(ENCODING_GZIP)) {
                        response.setEntity(new InflatingEntity(response.getEntity()));
                        break;
                    }
                }
            }
        }
    });

    httpClient.setHttpRequestRetryHandler(new RetryHandler(DEFAULT_MAX_RETRIES));

    threadPool = new ThreadPoolExecutor(DEFAULT_CORE_POOL_SIZE, DEFAULT_MAXIMUM_POOL_SIZE,
            DEFAULT_KEEP_ALIVETIME, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(3),
            new ThreadPoolExecutor.CallerRunsPolicy());

    requestMap = new WeakHashMap<Context, List<WeakReference<Future<?>>>>();
    clientHeaderMap = new HashMap<String, String>();
}

---

From source file:com.ebay.jetstream.application.JetstreamApplication.java

/**
 * Override this method to do initialization in a custom JetstreamApplication.
 * //from w  w w .  j  a  va2  s . com
 * @throws Exception
 */
protected void init() throws Exception {
    JetstreamApplicationInformation ai = getApplicationInformation();
    ai.selfLocate();

    m_workQueue = new LinkedBlockingQueue<Runnable>(ai.getWorkQeueSz());
    m_worker = new ThreadPoolExecutor(ai.getWorkerThreads(), 3, 30, TimeUnit.SECONDS, m_workQueue,
            new ThreadPoolExecutor.CallerRunsPolicy());
    m_worker.prestartCoreThread();

    Management.addBean(ai.getApplicationName(), this);
    logInfo("Starting services for " + ai);
    String[] configs = ai.getConfigRoots();
    RootConfiguration rc = configs == null ? new RootConfiguration(ai) : new RootConfiguration(ai, configs);
    rc.start();
    String[] sa = ai.getBeans();
    if (sa != null)
        for (String bean : sa)
            rc.getBean(bean);
}

---

From source file:org.hibernate.search.test.performance.scenario.TestExecutor.java

private ExecutorService newAutoStoppingErrorReportingThreadPool(TestScenarioContext ctx) {
    int nThreads = ctx.testContext.threadCount;
    ThreadFactory threadFactory = new SearchThreadFactory(ctx.scenario.getClass().getSimpleName()) {
        @Override//from ww  w . j a v a2  s.c om
        public Thread newThread(Runnable r) {
            Thread t = super.newThread(r);
            // Just ignore uncaught exceptions, we'll report them through other means (see below)
            t.setUncaughtExceptionHandler((thread, throwable) -> {
            });
            return t;
        }
    };
    return new ThreadPoolExecutor(nThreads, nThreads, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<>(),
            threadFactory) {
        @Override
        protected void afterExecute(Runnable r, Throwable t) {
            super.afterExecute(r, t);
            if (t != null) {
                ctx.reportFailure(t);
                shutdown();
            }
        }
    };
}

---

From source file:com.lxh.util.http.LXH_HttpClient.java

public LXH_HttpClient() {
    BasicHttpParams httpParams = new BasicHttpParams();

    ConnManagerParams.setTimeout(httpParams, socketTimeout);
    ConnManagerParams.setMaxConnectionsPerRoute(httpParams, new ConnPerRouteBean(maxConnections));
    ConnManagerParams.setMaxTotalConnections(httpParams, DEFAULT_MAX_CONNECTIONS);

    HttpConnectionParams.setSoTimeout(httpParams, socketTimeout);
    HttpConnectionParams.setConnectionTimeout(httpParams, socketTimeout);
    HttpConnectionParams.setTcpNoDelay(httpParams, true);
    HttpConnectionParams.setSocketBufferSize(httpParams, DEFAULT_SOCKET_BUFFER_SIZE);

    HttpProtocolParams.setVersion(httpParams, HttpVersion.HTTP_1_1);
    HttpProtocolParams.setUserAgent(httpParams,
            String.format("thinkandroid/%s (http://www.thinkandroid.cn)", VERSION));

    SchemeRegistry schemeRegistry = new SchemeRegistry();
    schemeRegistry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
    schemeRegistry.register(new Scheme("https", SSLSocketFactory.getSocketFactory(), 443));
    ThreadSafeClientConnManager cm = new ThreadSafeClientConnManager(httpParams, schemeRegistry);

    httpContext = new SyncBasicHttpContext(new BasicHttpContext());
    httpClient = new DefaultHttpClient(cm, httpParams);
    httpClient.addRequestInterceptor(new HttpRequestInterceptor() {
        @Override//www  .  ja  va2s.  c  om
        public void process(HttpRequest request, HttpContext context) {
            if (!request.containsHeader(HEADER_ACCEPT_ENCODING)) {
                request.addHeader(HEADER_ACCEPT_ENCODING, ENCODING_GZIP);
            }
            for (String header : clientHeaderMap.keySet()) {
                request.addHeader(header, clientHeaderMap.get(header));
            }
        }
    });

    httpClient.addResponseInterceptor(new HttpResponseInterceptor() {
        @Override
        public void process(HttpResponse response, HttpContext context) {
            final HttpEntity entity = response.getEntity();
            if (entity == null) {
                return;
            }
            final Header encoding = entity.getContentEncoding();
            if (encoding != null) {
                for (HeaderElement element : encoding.getElements()) {
                    if (element.getName().equalsIgnoreCase(ENCODING_GZIP)) {
                        response.setEntity(new InflatingEntity(response.getEntity()));
                        break;
                    }
                }
            }
        }
    });

    httpClient.setHttpRequestRetryHandler(new RetryHandler(DEFAULT_MAX_RETRIES));

    threadPool = new ThreadPoolExecutor(DEFAULT_CORE_POOL_SIZE, DEFAULT_MAXIMUM_POOL_SIZE,
            DEFAULT_KEEP_ALIVETIME, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(3),
            new ThreadPoolExecutor.CallerRunsPolicy());

    requestMap = new WeakHashMap<Context, List<WeakReference<Future<?>>>>();
    clientHeaderMap = new HashMap<String, String>();
}

---

From source file:org.apache.axis2.transport.xmpp.XMPPListener.java

/**
 * Start a pool of Workers. For each connection in connectionFactories,
 * assign a packer listener. This packet listener will trigger when a 
 * message arrives.//  w w w  . j  a va  2 s.  c o m
 */
public void start() throws AxisFault {
    // create thread pool of workers
    ExecutorService workerPool = new ThreadPoolExecutor(1, WORKERS_MAX_THREADS, WORKER_KEEP_ALIVE, TIME_UNIT,
            new LinkedBlockingQueue(), new org.apache.axis2.util.threadpool.DefaultThreadFactory(
                    new ThreadGroup("XMPP Worker thread group"), "XMPPWorker"));

    Iterator iter = connectionFactories.values().iterator();
    while (iter.hasNext()) {
        XMPPConnectionFactory connectionFactory = (XMPPConnectionFactory) iter.next();
        XMPPPacketListener xmppPacketListener = new XMPPPacketListener(connectionFactory,
                this.configurationContext, workerPool);
        connectionFactory.listen(xmppPacketListener);
    }
}

---

From source file:ea.compoment.http.BaseAsyncHttpClient.java

public BaseAsyncHttpClient() {
    BasicHttpParams httpParams = new BasicHttpParams();

    ConnManagerParams.setTimeout(httpParams, socketTimeout);
    ConnManagerParams.setMaxConnectionsPerRoute(httpParams, new ConnPerRouteBean(maxConnections));
    ConnManagerParams.setMaxTotalConnections(httpParams, maxConnections);

    HttpConnectionParams.setSoTimeout(httpParams, socketTimeout);
    HttpConnectionParams.setConnectionTimeout(httpParams, socketTimeout);
    HttpConnectionParams.setTcpNoDelay(httpParams, true);
    HttpConnectionParams.setSocketBufferSize(httpParams, DEFAULT_SOCKET_BUFFER_SIZE);

    HttpProtocolParams.setVersion(httpParams, HttpVersion.HTTP_1_1);
    //      HttpProtocolParams.setUserAgent(httpParams, String.format(
    //            "thinkandroid/%s (http://www.thinkandroid.cn)", VERSION));

    SchemeRegistry schemeRegistry = new SchemeRegistry();
    schemeRegistry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
    schemeRegistry.register(new Scheme("https", SSLSocketFactory.getSocketFactory(), 443));
    ThreadSafeClientConnManager cm = new ThreadSafeClientConnManager(httpParams, schemeRegistry);

    httpContext = new SyncBasicHttpContext(new BasicHttpContext());
    httpClient = new DefaultHttpClient(cm, httpParams);
    httpClient.addRequestInterceptor(new HttpRequestInterceptor() {
        @Override//from  ww w . j  a va2s  .  c o  m
        public void process(HttpRequest request, HttpContext context) {
            if (!request.containsHeader(HEADER_ACCEPT_ENCODING)) {
                request.addHeader(HEADER_ACCEPT_ENCODING, ENCODING_GZIP);
            }
            for (String header : clientHeaderMap.keySet()) {
                request.addHeader(header, clientHeaderMap.get(header));
            }
        }
    });

    httpClient.addResponseInterceptor(new HttpResponseInterceptor() {
        @Override
        public void process(HttpResponse response, HttpContext context) {
            final HttpEntity entity = response.getEntity();
            if (entity == null) {
                return;
            }
            final Header encoding = entity.getContentEncoding();
            if (encoding != null) {
                for (HeaderElement element : encoding.getElements()) {
                    if (element.getName().equalsIgnoreCase(ENCODING_GZIP)) {
                        response.setEntity(new InflatingEntity(response.getEntity()));
                        break;
                    }
                }
            }
        }
    });

    httpClient.setHttpRequestRetryHandler(new RetryHandler(DEFAULT_MAX_RETRIES));

    threadPool = new ThreadPoolExecutor(DEFAULT_CORE_POOL_SIZE, DEFAULT_MAXIMUM_POOL_SIZE,
            DEFAULT_KEEP_ALIVETIME, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(3),
            new ThreadPoolExecutor.CallerRunsPolicy());

    requestMap = new WeakHashMap<Context, List<WeakReference<Future<?>>>>();
    clientHeaderMap = new HashMap<String, String>();
}

---

From source file:com.attribyte.essem.ApplicationCache.java

ApplicationCache(final AsyncClient client, final RequestOptions requestOptions, final ESEndpoint esEndpoint,
        final Logger logger) {

    this.client = client;
    this.requestOptions = requestOptions;
    this.esEndpoint = esEndpoint;
    this.logger = logger;

    final BlockingQueue<Runnable> requestQueue = new ArrayBlockingQueue<>(4096);
    final Gauge<Integer> requestQueueSize = new Gauge<Integer>() {
        @Override//from  w ww.  jav a 2s .c  om
        public Integer getValue() {
            return requestQueue.size();
        }
    };

    final ThreadPoolExecutor requestExecutor = new ThreadPoolExecutor(2, 8, 5L, TimeUnit.MINUTES, requestQueue,
            new ThreadFactoryBuilder().setNameFormat("application-cache-%d").build());
    requestExecutor.prestartAllCoreThreads();

    final Counter rejectedRequests = new Counter();
    requestExecutor.setRejectedExecutionHandler(new RejectedExecutionHandler() {
        @Override
        public void rejectedExecution(final Runnable r, final ThreadPoolExecutor executor) {
            rejectedRequests.inc();
        }
    });
    this.requestExecutor = MoreExecutors
            .listeningDecorator(MoreExecutors.getExitingExecutorService(requestExecutor));

    this.appRequestTimer = new Timer();
    this.appRequestErrors = new Counter();

    this.nameRequestTimer = new Timer();
    this.nameRequestErrors = new Counter();

    this.statsRequestTimer = new Timer();
    this.statsRequestErrors = new Counter();

    Gauge<Integer> appCacheSize = new Gauge<Integer>() {
        @Override
        public Integer getValue() {
            return appCache.size();
        }
    };

    this.metrics = ImmutableMap.<String, com.codahale.metrics.Metric>builder()
            .put("request-queue-size", requestQueueSize).put("rejected-background-requests", rejectedRequests)
            .put("app-requests", appRequestTimer).put("app-request-errors", appRequestErrors)
            .put("name-requests", nameRequestTimer).put("name-request-errors", nameRequestErrors)
            .put("app-cache-size", appCacheSize).put("stats-requests", statsRequestTimer)
            .put("stats-request-errors", statsRequestErrors).build();
}

---

From source file:org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetCache.java

public FsDatasetCache(FsDatasetImpl dataset) {
    this.dataset = dataset;
    this.maxBytes = dataset.datanode.getDnConf().getMaxLockedMemory();
    ThreadFactory workerFactory = new ThreadFactoryBuilder().setDaemon(true)
            .setNameFormat("FsDatasetCache-%d-" + dataset.toString()).build();
    this.usedBytesCount = new UsedBytesCount();
    this.uncachingExecutor = new ThreadPoolExecutor(0, 1, 60, TimeUnit.SECONDS,
            new LinkedBlockingQueue<Runnable>(), workerFactory);
    this.uncachingExecutor.allowCoreThreadTimeOut(true);
    this.deferredUncachingExecutor = new ScheduledThreadPoolExecutor(1, workerFactory);
    this.revocationMs = dataset.datanode.getConf().getLong(DFS_DATANODE_CACHE_REVOCATION_TIMEOUT_MS,
            DFS_DATANODE_CACHE_REVOCATION_TIMEOUT_MS_DEFAULT);
    long confRevocationPollingMs = dataset.datanode.getConf().getLong(DFS_DATANODE_CACHE_REVOCATION_POLLING_MS,
            DFS_DATANODE_CACHE_REVOCATION_POLLING_MS_DEFAULT);
    long minRevocationPollingMs = revocationMs / 2;
    if (minRevocationPollingMs < confRevocationPollingMs) {
        throw new RuntimeException("configured value " + confRevocationPollingMs + "for "
                + DFS_DATANODE_CACHE_REVOCATION_POLLING_MS
                + " is too high.  It must not be more than half of the " + "value of "
                + DFS_DATANODE_CACHE_REVOCATION_TIMEOUT_MS + ".  Reconfigure this to "
                + minRevocationPollingMs);
    }/*from  w w w  .j  a v a 2s . c  o m*/
    this.revocationPollingMs = confRevocationPollingMs;
}

---

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