Example usage for java.util.concurrent ExecutorService shutdown

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

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Introduction

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

Prototype

void shutdown();

Source Link

Document

Initiates an orderly shutdown in which previously submitted tasks are executed, but no new tasks will be accepted.

Usage

From source file:hivemall.mix.server.MixServerTest.java

@Test
public void test2ClientsZeroOneDenseModel() throws InterruptedException {
    final int port = NetUtils.getAvailablePort();
    CommandLine cl = CommandLineUtils.parseOptions(
            new String[] { "-port", Integer.toString(port), "-sync_threshold", "30" }, MixServer.getOptions());
    MixServer server = new MixServer(cl);
    ExecutorService serverExec = Executors.newSingleThreadExecutor();
    serverExec.submit(server);//from  ww  w.  j a  va  2  s .co m

    waitForState(server, ServerState.RUNNING);

    final ExecutorService clientsExec = Executors.newCachedThreadPool();
    for (int i = 0; i < 2; i++) {
        clientsExec.submit(new Runnable() {
            @Override
            public void run() {
                try {
                    invokeClient01("test2ClientsZeroOne", port, true, false);
                } catch (InterruptedException e) {
                    Assert.fail(e.getMessage());
                }
            }
        });
    }
    clientsExec.awaitTermination(30, TimeUnit.SECONDS);
    clientsExec.shutdown();
    serverExec.shutdown();
}

From source file:hivemall.mix.server.MixServerTest.java

@Test
public void test2ClientsZeroOneSparseModelWithMixCanceling() throws InterruptedException {
    final int port = NetUtils.getAvailablePort();
    CommandLine cl = CommandLineUtils.parseOptions(
            new String[] { "-port", Integer.toString(port), "-sync_threshold", "30" }, MixServer.getOptions());
    MixServer server = new MixServer(cl);
    ExecutorService serverExec = Executors.newSingleThreadExecutor();
    serverExec.submit(server);//w w  w.j  av a2s.  com

    waitForState(server, ServerState.RUNNING);

    final ExecutorService clientsExec = Executors.newCachedThreadPool();
    for (int i = 0; i < 2; i++) {
        clientsExec.submit(new Runnable() {
            @Override
            public void run() {
                try {
                    invokeClient01("test2ClientsZeroOne", port, false, true);
                } catch (InterruptedException e) {
                    Assert.fail(e.getMessage());
                }
            }
        });
    }
    clientsExec.awaitTermination(30, TimeUnit.SECONDS);
    clientsExec.shutdown();
    serverExec.shutdown();
}

From source file:hivemall.mix.server.MixServerTest.java

@Test
public void test2ClientsZeroOneSparseModel() throws InterruptedException {
    final int port = NetUtils.getAvailablePort();
    CommandLine cl = CommandLineUtils.parseOptions(
            new String[] { "-port", Integer.toString(port), "-sync_threshold", "30" }, MixServer.getOptions());
    MixServer server = new MixServer(cl);
    ExecutorService serverExec = Executors.newSingleThreadExecutor();
    serverExec.submit(server);/*from www  . j  av  a 2s . c  om*/

    waitForState(server, ServerState.RUNNING);

    final ExecutorService clientsExec = Executors.newCachedThreadPool();
    for (int i = 0; i < 2; i++) {
        clientsExec.submit(new Runnable() {
            @Override
            public void run() {
                try {
                    invokeClient01("test2ClientsZeroOne", port, false, false);
                } catch (InterruptedException e) {
                    Assert.fail(e.getMessage());
                }
            }
        });
    }
    clientsExec.awaitTermination(30, TimeUnit.SECONDS);
    clientsExec.shutdown();
    serverExec.shutdown();
}

From source file:com.emc.vipr.sync.CasMigrationTest.java

protected void delete(FPPool pool, List<String> clipIds) throws Exception {
    ExecutorService service = Executors.newFixedThreadPool(CAS_SETUP_THREADS);

    System.out.print("Deleting clips");

    for (String clipId : clipIds) {
        service.submit(new ClipDeleter(pool, clipId));
    }/*from ww  w.java 2s.  c o m*/

    service.shutdown();
    service.awaitTermination(CAS_SETUP_WAIT_MINUTES, TimeUnit.MINUTES);
    service.shutdownNow();

    System.out.println();
}

From source file:com.laudandjolynn.mytv.proxy.MyTvProxyManager.java

public void prepareProxies(ProxyProvider... providers) {
    int length = providers == null ? 0 : providers.length;
    if (length > 0) {
        int maxThreadNum = Constant.CPU_PROCESSOR_NUM;
        ThreadFactory threadFactory = new BasicThreadFactory.Builder().namingPattern("MyTv_Find_Proxies_%d")
                .build();//  w  ww  .j  ava 2 s .  c om
        ExecutorService executorService = Executors
                .newFixedThreadPool(length > maxThreadNum ? maxThreadNum : length, threadFactory);
        CompletionService<List<Proxy>> completionService = new ExecutorCompletionService<List<Proxy>>(
                executorService);
        providerList.clear();
        for (int i = 0; i < length; i++) {
            final ProxyProvider provider = providers[i];
            providerList.add(provider);
            completionService.submit(new Callable<List<Proxy>>() {

                @Override
                public List<Proxy> call() throws Exception {
                    return provider.getProxies();
                }
            });
        }
        executorService.shutdown();

        int count = 0;
        List<Proxy> resultList = new ArrayList<Proxy>();
        while (count < length) {
            try {
                Future<List<Proxy>> future = completionService.take();
                List<Proxy> proxies = future.get();
                if (proxies != null) {
                    resultList.addAll(proxies);
                }
            } catch (InterruptedException e) {
                logger.error("get proxies thread has interrupted.", e);
            } catch (ExecutionException e) {
                logger.error("get proxies thread has execution fail.", e);
            }
            count++;
        }
        resultList.add(LOCALHOST_PROXY);
        PROXY_QUEUE.clear();
        PROXY_QUEUE.addAll(resultList);
    }
}

From source file:com.linkedin.pinot.controller.helix.PinotResourceManagerTest.java

/**
 * Creates 5 threads that concurrently try to add 20 segments each, and asserts that we have
 * 100 segments in the end. Then launches 5 threads again that concurrently try to delete all segments,
 * and makes sure that we have zero segments left in the end.
 * @throws Exception/*www.j av a  2 s .  c  om*/
 */

@Test
public void testConcurrentAddingAndDeletingSegments() throws Exception {
    ExecutorService addSegmentExecutor = Executors.newFixedThreadPool(5);

    for (int i = 0; i < 5; ++i) {
        addSegmentExecutor.execute(new Runnable() {

            @Override
            public void run() {
                for (int i = 0; i < 20; ++i) {
                    addOneSegment(TABLE_NAME);
                    try {
                        Thread.sleep(1000);
                    } catch (InterruptedException e) {
                        Assert.assertFalse(true, "Exception caught during sleep.");
                    }
                }
            }
        });
    }
    addSegmentExecutor.shutdown();
    while (!addSegmentExecutor.isTerminated()) {
    }

    final String offlineTableName = TableNameBuilder.OFFLINE_TABLE_NAME_BUILDER.forTable(TABLE_NAME);
    IdealState idealState = _helixAdmin.getResourceIdealState(HELIX_CLUSTER_NAME, offlineTableName);
    Assert.assertEquals(idealState.getPartitionSet().size(), 100);

    ExecutorService deleteSegmentExecutor = Executors.newFixedThreadPool(5);
    for (final String segment : idealState.getPartitionSet()) {
        deleteSegmentExecutor.execute(new Runnable() {

            @Override
            public void run() {
                deleteOneSegment(offlineTableName, segment);
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    Assert.assertFalse(true, "Exception caught during sleep.");
                }
            }
        });
    }
    deleteSegmentExecutor.shutdown();
    while (!deleteSegmentExecutor.isTerminated()) {
    }

    idealState = _helixAdmin.getResourceIdealState(HELIX_CLUSTER_NAME, offlineTableName);
    Assert.assertEquals(idealState.getPartitionSet().size(), 0);
}

From source file:no.ntnu.idi.socialhitchhiking.map.GeoHelper.java

/**
 * Gets a {@link JSONObject} from an address string
 * @param adr/*from   ww  w .  jav a 2s .  c  o m*/
 * @return
 */
private static JSONObject getLocationInfo(final String adr) {
    ExecutorService executor = Executors.newSingleThreadExecutor();
    Callable<StringBuilder> callable = new Callable<StringBuilder>() {
        @Override
        public StringBuilder call() throws ClientProtocolException, IOException {
            StringBuilder stringBuilder = new StringBuilder();
            String address;
            address = adr.replaceAll(" ", "%20");
            address = address.replaceAll("\n", "%20");
            HttpPost httppost = new HttpPost(
                    "http://maps.google.com/maps/api/geocode/json?address=" + address + "&sensor=false");
            HttpClient client = new DefaultHttpClient();
            HttpResponse response;
            stringBuilder = new StringBuilder();

            response = client.execute(httppost);
            HttpEntity entity = response.getEntity();
            InputStream stream = entity.getContent();
            int b;
            while ((b = stream.read()) != -1) {
                stringBuilder.append((char) b);
            }
            return stringBuilder;
        }
    };
    Future<StringBuilder> future = executor.submit(callable);
    StringBuilder stringBuilder;
    try {
        stringBuilder = future.get();
    } catch (InterruptedException e1) {
        // TODO Auto-generated catch block
        stringBuilder = new StringBuilder();
    } catch (ExecutionException e1) {
        stringBuilder = new StringBuilder();
    }
    executor.shutdown();

    JSONObject jsonObject = new JSONObject();
    try {
        jsonObject = new JSONObject(stringBuilder.toString());
    } catch (JSONException e) {
        e.printStackTrace();
    }

    return jsonObject;
}

From source file:edu.cmu.lti.oaqa.bioasq.concept.retrieval.GoPubMedSeparateConceptRetrievalExecutor.java

@Override
public void process(JCas jcas) throws AnalysisEngineProcessException {
    AbstractQuery aquery = TypeUtil.getAbstractQueries(jcas).stream().findFirst().get();
    Collection<QueryConcept> qconcepts = TypeUtil.getQueryConcepts(aquery);
    List<ConceptSearchResult> concepts = Collections.synchronizedList(new ArrayList<>());
    ExecutorService es = Executors.newCachedThreadPool();
    for (QueryConcept qconcept : qconcepts) {
        String queryString = bopQueryStringConstructor.formatQueryConcept(qconcept)
                .replaceAll("[^A-Za-z0-9_\\-\"]+", " ");
        LOG.info("Query string: {}", queryString);
        for (BioASQUtil.Ontology ontology : BioASQUtil.Ontology.values()) {
            es.execute(() -> {//from  w  w w . ja  v a2  s.  c  o  m
                try {
                    concepts.addAll(
                            BioASQUtil.searchOntology(service, jcas, queryString, pages, hits, ontology));
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            });
        }
    }
    es.shutdown();
    try {
        if (!es.awaitTermination(timeout, TimeUnit.MINUTES)) {
            LOG.warn("Timeout occurs for one or some concept retrieval services.");
        }
    } catch (InterruptedException e) {
        throw new AnalysisEngineProcessException(e);
    }
    Map<String, List<ConceptSearchResult>> onto2concepts = concepts.stream()
            .collect(groupingBy(ConceptSearchResult::getSearchId));
    for (Map.Entry<String, List<ConceptSearchResult>> entry : onto2concepts.entrySet()) {
        List<ConceptSearchResult> results = entry.getValue();
        LOG.info("Retrieved {} concepts from {}", results.size(), entry.getKey());
        if (LOG.isDebugEnabled()) {
            results.stream().limit(10).forEach(c -> LOG.debug(" - {}", TypeUtil.toString(c)));
        }
    }
    TypeUtil.rankedSearchResultsByScore(concepts, limit).forEach(ConceptSearchResult::addToIndexes);
}

From source file:com.emc.ecs.sync.CasMigrationTest.java

protected String summarize(FPPool pool, List<String> clipIds) throws Exception {
    List<String> summaries = Collections.synchronizedList(new ArrayList<String>());

    ExecutorService service = Executors.newFixedThreadPool(CAS_THREADS);

    System.out.print("Summarizing clips");

    for (String clipId : clipIds) {
        service.submit(new ClipReader(pool, clipId, summaries));
    }//w ww.j a  va2 s .  c  om

    service.shutdown();
    service.awaitTermination(CAS_SETUP_WAIT_MINUTES, TimeUnit.MINUTES);
    service.shutdownNow();

    System.out.println();

    Collections.sort(summaries);
    StringBuilder out = new StringBuilder();
    for (String summary : summaries) {
        out.append(summary);
    }
    return out.toString();
}

From source file:com.emc.vipr.sync.CasMigrationTest.java

protected String summarize(FPPool pool, List<String> clipIds) throws Exception {
    List<String> summaries = Collections.synchronizedList(new ArrayList<String>());

    ExecutorService service = Executors.newFixedThreadPool(CAS_SETUP_THREADS);

    System.out.print("Summarizing clips");

    for (String clipId : clipIds) {
        service.submit(new ClipReader(pool, clipId, summaries));
    }//from w ww . j a  v  a  2 s  .  com

    service.shutdown();
    service.awaitTermination(CAS_SETUP_WAIT_MINUTES, TimeUnit.MINUTES);
    service.shutdownNow();

    System.out.println();

    Collections.sort(summaries);
    StringBuilder out = new StringBuilder();
    for (String summary : summaries) {
        out.append(summary);
    }
    return out.toString();
}