java.util.concurrent.ExecutorService.execute()方法的使用及代码示例

x33g5p2x  于2022-01-17 转载在 其他  
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本文整理了Java中java.util.concurrent.ExecutorService.execute()方法的一些代码示例,展示了ExecutorService.execute()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。ExecutorService.execute()方法的具体详情如下:
包路径:java.util.concurrent.ExecutorService
类名称:ExecutorService
方法名:execute

ExecutorService.execute介绍

暂无

代码示例

canonical example by Tabnine

public void runThreadTask() {
 ExecutorService service = Executors.newCachedThreadPool();
 service.execute(
   () -> {
    // ... do something inside runnable task
   });
 service.shutdown();
}

代码示例来源:origin: square/okhttp

private void parallelDrainQueue(int threadCount) {
 ExecutorService executor = Executors.newFixedThreadPool(threadCount);
 for (int i = 0; i < threadCount; i++) {
  executor.execute(new NamedRunnable("Crawler %s", i) {
   @Override protected void execute() {
    try {
     drainQueue();
    } catch (Exception e) {
     e.printStackTrace();
    }
   }
  });
 }
 executor.shutdown();
}

代码示例来源:origin: iluwatar/java-design-patterns

/**
 * Starts the logging clients.
 *
 * @throws IOException if any I/O error occurs.
 */
public void start() throws IOException {
 LOGGER.info("Starting logging clients");
 service.execute(new TcpLoggingClient("Client 1", 6666));
 service.execute(new TcpLoggingClient("Client 2", 6667));
 service.execute(new UdpLoggingClient("Client 3", 6668));
 service.execute(new UdpLoggingClient("Client 4", 6668));
}

代码示例来源:origin: skylot/jadx

public synchronized Future<Boolean> process() {
  if (future != null) {
    return future;
  }
  ExecutorService shutdownExecutor = Executors.newSingleThreadExecutor();
  FutureTask<Boolean> task = new ShutdownTask();
  shutdownExecutor.execute(task);
  shutdownExecutor.shutdown();
  future = task;
  return future;
}

代码示例来源:origin: apache/incubator-pinot

private List<ResultTable> processSegments(final String query, final BrokerRequest brokerRequest)
  throws InterruptedException {
 ExecutorService executorService = Executors.newFixedThreadPool(10);
 final List<ResultTable> resultTables = Collections.synchronizedList(new ArrayList<ResultTable>());
 for (final SegmentQueryProcessor segmentQueryProcessor : _segmentQueryProcessorMap.values()) {
  executorService.execute(new Runnable() {
   @Override
   public void run() {
    try {
     ResultTable resultTable = segmentQueryProcessor.process(brokerRequest);
     if (resultTable != null) {
      resultTables.add(resultTable);
     }
    } catch (Exception e) {
     LOGGER.error("Exception caught while processing segment '{}'.", segmentQueryProcessor.getSegmentName(), e);
     return;
    }
   }
  });
 }
 executorService.shutdown();
 executorService.awaitTermination(_timeoutInSeconds, TimeUnit.SECONDS);
 return resultTables;
}

代码示例来源:origin: apache/kylin

private static Pair<List<String>, List<String>> resetCoprocessorOnHTables(final Admin hbaseAdmin, final Path hdfsCoprocessorJar, List<String> tableNames) throws IOException {
  List<String> processedTables = Collections.synchronizedList(new ArrayList<String>());
  List<String> failedTables = Collections.synchronizedList(new ArrayList<String>());
  int nThread = Runtime.getRuntime().availableProcessors() * 2;
  if (nThread > MAX_THREADS) {
    nThread = MAX_THREADS;
  }
  logger.info("Use {} threads to do upgrade", nThread);
  ExecutorService coprocessorPool = Executors.newFixedThreadPool(nThread);
  CountDownLatch countDownLatch = new CountDownLatch(tableNames.size());
  for (final String tableName : tableNames) {
    coprocessorPool.execute(new ResetCoprocessorWorker(countDownLatch, hbaseAdmin, hdfsCoprocessorJar, tableName, processedTables, failedTables));
  }
  try {
    countDownLatch.await();
  } catch (InterruptedException e) {
    logger.error("reset coprocessor failed: ", e);
  }
  coprocessorPool.shutdown();
  return new Pair<>(processedTables, failedTables);
}

代码示例来源:origin: evernote/android-job

private void waitUntilScheduled() throws Exception {
    final CountDownLatch latch = new CountDownLatch(1);
    JobConfig.getExecutorService().execute(new Runnable() {
      @Override
      public void run() {
        latch.countDown();
      }
    });
    latch.await(50, TimeUnit.SECONDS);
  }
}

代码示例来源:origin: apache/hbase

readPool = Executors.newFixedThreadPool(readThreads,
 new ThreadFactoryBuilder().setNameFormat(
  "Reader=%d,bindAddress=" + bindAddress.getHostName() +
 Reader reader = new Reader();
 readers[i] = reader;
 readPool.execute(reader);
LOG.info(getName() + ": started " + readThreads + " reader(s) listening on port=" + port);

代码示例来源:origin: LeonardoZ/java-concurrency-patterns

public static void usingSingleThreadExecutor() {
  System.out.println("=== SingleThreadExecutor ===");
  ExecutorService singleThreadExecutor = Executors.newSingleThreadExecutor();
  singleThreadExecutor.execute(() -> System.out.println("Print this."));
  singleThreadExecutor.execute(() -> System.out.println("and this one to."));
  singleThreadExecutor.shutdown();
  try {
    singleThreadExecutor.awaitTermination(4, TimeUnit.SECONDS);
  } catch (InterruptedException e) {
    e.printStackTrace();
  }
  System.out.println("\n\n");
}

代码示例来源:origin: voldemort/voldemort

this.numberOfFailures.set(0);
  this.operationTimes = new long[numRequests];
  ExecutorService executor = Executors.newFixedThreadPool(numThreads);
  final CountDownLatch latch = new CountDownLatch(numRequests);
  final AtomicInteger index = new AtomicInteger(0);
    executor.execute(new Runnable() {
    latch.await();
  } catch(InterruptedException e) {
    e.printStackTrace();
  executor.shutdownNow();
  try {
    executor.awaitTermination(3, TimeUnit.SECONDS);
  } catch(InterruptedException e) {}
} finally {

代码示例来源:origin: google/guava

final CountDownLatch beforeFunction = new CountDownLatch(1);
executor.execute(
  new Runnable() {
   @Override
executor.shutdown();
assertTrue(executor.awaitTermination(5, SECONDS));

代码示例来源:origin: GlowstoneMC/Glowstone

/**
 * Downloads the libraries.
 */
public void run() {
  if (!directory.isDirectory() && !directory.mkdirs()) {
    GlowServer.logger
        .log(Level.SEVERE, "Could not create libraries directory: " + directory);
  }
  for (Library library : libraries) {
    downloaderService.execute(new LibraryDownloader(library));
  }
  downloaderService.shutdown();
  try {
    if (!downloaderService.awaitTermination(1, TimeUnit.MINUTES)) {
      downloaderService.shutdownNow();
    }
  } catch (InterruptedException e) {
    GlowServer.logger.log(Level.SEVERE, "Library Manager thread interrupted: ", e);
  }
}

代码示例来源:origin: androidquery/androidquery

public static void execute(Runnable job){
  
  if(fetchExe == null){
    fetchExe = Executors.newFixedThreadPool(NETWORK_POOL);			
  }
  
  fetchExe.execute(job);
}

代码示例来源:origin: redisson/redisson

final CountDownLatch latch = new CountDownLatch(1);
executor.execute(new Runnable() {
  @Override
  public void run() {
  while (!latch.await(1, TimeUnit.MILLISECONDS)) {
    long now = System.nanoTime();
    timeoutNano -= (now - start);
  timeoutNano -= (System.nanoTime() - start);
  executor.awaitTermination(timeoutNano, TimeUnit.NANOSECONDS);
} catch (InterruptedException e) {
  return false;

代码示例来源:origin: jdbi/jdbi

@Test
  public void testConcurrentLoading() throws InterruptedException {
    ExecutorService pool = Executors.newFixedThreadPool(10);
    IntStream
      .range(1, 10)
      .forEach(id -> pool.execute(() -> testBaz(id)));
    pool.awaitTermination(1000, TimeUnit.MILLISECONDS);
  }
}

代码示例来源:origin: iBotPeaches/Apktool

public static String execAndReturn(String[] cmd) {
  ExecutorService executor = Executors.newCachedThreadPool();
  try {
    ProcessBuilder builder = new ProcessBuilder(cmd);
    builder.redirectErrorStream(true);
    Process process = builder.start();
    StreamCollector collector = new StreamCollector(process.getInputStream());
    executor.execute(collector);
    process.waitFor();
    if (! executor.awaitTermination(15, TimeUnit.SECONDS)) {
      executor.shutdownNow();
      if (! executor.awaitTermination(5, TimeUnit.SECONDS)) {
        System.err.println("Stream collector did not terminate.");
      }
    }
    return collector.get();
  } catch (IOException | InterruptedException e) {
    return null;
  }
}

代码示例来源:origin: apache/hive

@Test(timeout = 200000)
public void testMtt() {
 final int baseAllocSizeLog2 = 3, maxAllocSizeLog2 = 10, totalSize = 8192,
   baseAllocSize = 1 << baseAllocSizeLog2, maxAllocSize = 1 << maxAllocSizeLog2;
 final int threadCount = maxAllocSizeLog2 - baseAllocSizeLog2 + 1;
 final int iterCount = 500;
 final BuddyAllocator a = create(maxAllocSize, 4, totalSize, true, false);
 ExecutorService executor = Executors.newFixedThreadPool(threadCount + 1);
 CountDownLatch cdlIn = new CountDownLatch(threadCount), cdlOut = new CountDownLatch(1);
 @SuppressWarnings("unchecked")
 FutureTask<MttTestCallableResult>[] allocTasks = new FutureTask[threadCount];
 FutureTask<Void> dumpTask = createAllocatorDumpTask(a);
 for (int allocSize = baseAllocSize, i = 0; allocSize <= maxAllocSize; allocSize <<= 1, ++i) {
  allocTasks[i] = new FutureTask<>(new MttTestCallable(
    cdlIn, cdlOut, a, allocSize, totalSize / allocSize, iterCount));
  executor.execute(allocTasks[i]);
 }
 executor.execute(dumpTask);
 runMttTest(a, allocTasks, cdlIn, cdlOut, dumpTask, null, null, totalSize, maxAllocSize);
}

代码示例来源:origin: JCTools/JCTools

@Setup(Level.Iteration)
public void startConsumers()
{
  consumer.isRunning = true;
  consumer.stopped = new CountDownLatch(consumerCount);
  for (int i = 0; i < consumerCount; i++)
  {
    consumerExecutor.execute(consumer);
  }
}

代码示例来源:origin: neo4j/neo4j

private static ExecutorService sameThreadExecutor() throws InterruptedException
{
  ExecutorService executor = immediateExecutor();
  when( executor.awaitTermination( anyLong(), any() ) ).thenReturn( true );
  doAnswer( invocation ->
  {
    ((Runnable) invocation.getArgument( 0 )).run();
    return null;
  } ).when( executor ).execute( any() );
  return executor;
}

代码示例来源:origin: LeonardoZ/java-concurrency-patterns

public static void usingFixedThreadPool() {
  System.out.println("=== FixedThreadPool ===");
  ExecutorService fixedPool = Executors.newFixedThreadPool(4);
  List<Future<UUID>> uuids = new LinkedList<>();
  for (int i = 0; i < 20; i++) {
    Future<UUID> submitted = fixedPool.submit(() -> {
      UUID randomUUID = UUID.randomUUID();
      System.out.println("UUID " + randomUUID + " from " + Thread.currentThread().getName());
      return randomUUID;
    });
    uuids.add(submitted);
  }
  fixedPool.execute(() -> uuids.forEach((f) -> {
    try {
      System.out.println("Result " + f.get() + " from " + Thread.currentThread().getName());
    } catch (InterruptedException | ExecutionException e) {
      e.printStackTrace();
    }
  }));
  fixedPool.shutdown();
  try {
    fixedPool.awaitTermination(4, TimeUnit.SECONDS);
  } catch (InterruptedException e) {
    e.printStackTrace();
  }
  System.out.println("\n\n");
}

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