Example usage for java.util.concurrent ExecutorService execute

List of usage examples for java.util.concurrent ExecutorService execute

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Introduction

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

Prototype

void execute(Runnable command);

Source Link

Document

Executes the given command at some time in the future.

Usage

From source file:com.miz.mizuu.SearchForNetworkShares.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.simple_list);

    pbar = (ProgressBar) findViewById(R.id.progressBar);

    status = (TextView) findViewById(R.id.overviewMessage);

    list = (ListView) findViewById(R.id.listView1);
    adapter = new NetworkAdapter();
    list.setAdapter(adapter);/*from w ww.j  a  v a2s. c  o  m*/
    list.setOnItemClickListener(new OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
            sendBroadcast(arg2);
        }
    });

    new Thread() {
        @Override
        public void run() {
            ExecutorService executor = Executors.newFixedThreadPool(10);
            for (int dest = 0; dest < 255; dest++) {
                String host = "192.168.1." + dest;
                executor.execute(pingRunnable(host));
            }

            executor.shutdown();
            try {
                executor.awaitTermination(60 * 1000, TimeUnit.MILLISECONDS);
            } catch (InterruptedException ignored) {
            }

            if (running)
                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        pbar.setVisibility(View.GONE);
                        status.setVisibility(View.GONE);
                    }
                });
        }
    }.start();
}

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

private void scheduleTasksAndStart(TestScenarioContext ctx, long cyclesCount) {
    ExecutorService executor = newAutoStoppingErrorReportingThreadPool(ctx);
    for (int i = 0; i < cyclesCount; i++) {
        for (Runnable task : ctx.tasks) {
            executor.execute(task);
        }/*from   w ww . j av  a  2 s.c  om*/
    }

    try {
        ctx.executionStopWatch.start();
        ctx.startSignal.countDown();
        executor.shutdown();
        executor.awaitTermination(1, TimeUnit.DAYS);
        ctx.executionStopWatch.stop();
    } catch (InterruptedException e) {
        throw new RuntimeException(e);
    }
}

From source file:lohbihler.process.epoll.ProcessMonitor.java

public ProcessMonitor(final Process process, final ExecutorService executorService, final long timeout)
        throws InterruptedException {
    final InputReader out = new InputReader(process.getInputStream());
    final InputReader err = new InputReader(process.getErrorStream());

    executorService.execute(out);
    executorService.execute(err);//from  w w  w  .  j av a  2 s  . co  m

    ProcessTimeout processTimeout = null;
    if (timeout > 0) {
        processTimeout = new ProcessTimeout(process, timeout);
        executorService.execute(processTimeout);
    }

    process.waitFor();
    out.join();
    err.join();
    process.destroy();

    // If we've made it this far, the process exited properly, so kill the
    // timeout thread if it exists.
    if (processTimeout != null)
        processTimeout.interrupt();

    this.out = out.getInput();
    this.err = err.getInput();
}

From source file:com.alibaba.wasp.master.GeneralBulkAssigner.java

@Override
protected void populatePool(ExecutorService pool) {
    this.pool = pool; // shut it down later in case some assigner hangs
    for (Map.Entry<ServerName, List<EntityGroupInfo>> e : this.bulkPlan.entrySet()) {
        pool.execute(new SingleServerBulkAssigner(e.getKey(), e.getValue(), this.assignmentManager,
                this.failedPlans));
    }//from  w  w w . j av  a  2 s .co m
}

From source file:org.apache.reef.vortex.evaluator.VortexWorker.java

/**
 * Starts the scheduler & executor and waits until termination.
 *//*ww  w.  j ava  2s .c  om*/
@Override
public byte[] call(final byte[] memento) throws Exception {
    final ExecutorService schedulerThread = Executors.newSingleThreadExecutor();
    final ExecutorService commandExecutor = Executors.newFixedThreadPool(numOfThreads);

    // Scheduling thread starts
    schedulerThread.execute(new Runnable() {
        @Override
        public void run() {
            while (true) {
                // Scheduler Thread: Pick a command to execute (For now, simple FIFO order)
                final byte[] message;
                try {
                    message = pendingRequests.takeFirst();
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }

                // Scheduler Thread: Pass the command to the worker thread pool to be executed
                commandExecutor.execute(new Runnable() {
                    @Override
                    public void run() {
                        // Command Executor: Deserialize the command
                        final VortexRequest vortexRequest = (VortexRequest) SerializationUtils
                                .deserialize(message);
                        switch (vortexRequest.getType()) {
                        case ExecuteTasklet:
                            final TaskletExecutionRequest taskletExecutionRequest = (TaskletExecutionRequest) vortexRequest;
                            try {
                                // Command Executor: Execute the command
                                final Serializable result = taskletExecutionRequest.execute();

                                // Command Executor: Tasklet successfully returns result
                                final WorkerReport report = new TaskletResultReport<>(
                                        taskletExecutionRequest.getTaskletId(), result);
                                workerReports.addLast(SerializationUtils.serialize(report));
                            } catch (Exception e) {
                                // Command Executor: Tasklet throws an exception
                                final WorkerReport report = new TaskletFailureReport(
                                        taskletExecutionRequest.getTaskletId(), e);
                                workerReports.addLast(SerializationUtils.serialize(report));
                            }

                            heartBeatTriggerManager.triggerHeartBeat();
                            break;
                        default:
                            throw new RuntimeException("Unknown Command");
                        }
                    }
                });

            }
        }
    });

    terminated.await();
    return null;
}

From source file:org.apache.hadoop.hbase.master.GeneralBulkAssigner.java

@Override
protected void populatePool(ExecutorService pool) {
    this.pool = pool; // shut it down later in case some assigner hangs
    for (Map.Entry<ServerName, List<HRegionInfo>> e : this.bulkPlan.entrySet()) {
        pool.execute(new SingleServerBulkAssigner(e.getKey(), e.getValue(), this.assignmentManager,
                this.failedPlans));
    }//from  www. j  a v a 2 s. c o  m
}

From source file:com.tenforce.lodms.extractors.CkanHarvester.java

public void harvest(List<String> datasetIds)
        throws RDFHandlerException, ExtractException, DatatypeConfigurationException {
    if (datasetIds.isEmpty()) {
        throw new ExtractException("no datasets specified");
    }//from   w  w w.  j  av  a 2  s.c o m
    if (enableProvenance)
        addCatalogProvenance();

    MapToRdfConverter converter = new MapToRdfConverter(predicatePrefix, ignoredKeys, handler);
    ExecutorService executorService = Executors.newFixedThreadPool(5);
    CountDownLatch barrier = new CountDownLatch(datasetIds.size());
    Catalog catalog = new Catalog(baseUri, subjectPrefix);

    try {
        for (String datasetId : datasetIds) {
            executorService.execute(new DataSetHarvester(catalog, converter, handler, apiUri, datasetId,
                    barrier, warnings, httpMethod));
        }
        executorService.shutdown();
        barrier.await();
    } catch (Exception e) {
        executorService.shutdownNow();
        throw new ExtractException(e.getMessage(), e);
    }

}

From source file:rapture.kernel.EnvironmentApiImpl.java

private Map<String, String> processGetOrPost(List<String> appNames, String path, String json) {
    Map<String, String> ret = new HashMap<>();
    Map<String, JmxApp> apps;
    try {//from   w w  w  .  ja  va2s  . c  om
        apps = JmxAppCache.getInstance().get();
    } catch (ExecutionException e) {
        log.error("Failed to update JmxApp cache", e);
        return ret;
    }
    log.debug("Apps are: " + apps.toString());
    ExecutorService executor = Executors.newFixedThreadPool(apps.size());
    for (Map.Entry<String, JmxApp> entry : apps.entrySet()) {
        final String appName = entry.getKey();
        executor.execute(new Runnable() {
            @Override
            public void run() {
                log.debug(String.format("Executing for appName [%s]", appName));
                if (checkApp(appName, appNames)) {
                    JmxApp app = entry.getValue();
                    HttpResponse<JsonNode> res;
                    try {
                        if (StringUtils.isNotBlank(json)) {
                            res = Unirest.post(app.getUrl()).body(json).asJson();
                        } else {
                            res = Unirest.get(String.format("%s/%s", app.getUrl(), path)).asJson();
                        }
                        ret.put(entry.getKey(), IOUtils.toString(res.getRawBody()));
                        res.getRawBody().close();
                    } catch (UnirestException | IOException e) {
                        log.error(String.format("Error accessing %s/%s", app.getUrl(), path), e);
                        JmxAppCache.getInstance().invalidate();
                    }
                }
            }
        });
    }
    executor.shutdown();
    try {
        executor.awaitTermination(4, TimeUnit.SECONDS);
    } catch (InterruptedException e) {
        log.error("Could not wait for executor shutdown", e);
    }
    log.debug("Returned result size is: " + ret.size());
    return ret;
}

From source file:org.biopax.validator.impl.ValidatorImpl.java

private void execute(ExecutorService exec, final Rule rule, final Validation validation, final Object obj) {
    exec.execute(new Runnable() {
        @SuppressWarnings("unchecked") //obj can be either Model or a BPE
        public void run() {
            try {
                if (rule.canCheck(obj))
                    rule.check(validation, obj);
            } catch (Throwable t) {
                //if we're here, there is probably a bug in the rule or validator!
                String id = validation.identify(obj);
                log.fatal(rule + ".check(" + id + ") threw the exception: " + t.toString(), t);
                // anyway, report it almost normally (for a user to see this in the results too)
                validation.addError(//from  w w w.j  a  v  a2s. c o  m
                        utils.createError(id, "exception", rule.getClass().getName(), null, false, t));
            }
        }
    });
}

From source file:org.opennms.features.newts.converter.rrd.converter.JRobinConverter.java

private void consolidateRrd(final ExecutorService executor, final File rrdFile) {
    m_total.incrementAndGet();//  w  w  w . ja  v a 2  s  . c o  m
    executor.execute(new JRobinConsolidationRunnable(rrdFile, this));
}