List of usage examples for java.util.concurrent Executors newFixedThreadPool
public static ExecutorService newFixedThreadPool(int nThreads)
From source file:org.alfresco.contentstore.AbstractContentStore.java
public void init() { if (isAsync != null && !isAsync.isEmpty()) { this.async = Boolean.valueOf(isAsync); }/*from ww w . j ava2 s. c om*/ this.contentRoot = TempFileProvider.getTempDir("RepoContentStore").getAbsolutePath(); logger.info("ContentStore root directory " + contentRoot); this.executor = Executors.newFixedThreadPool(5); }
From source file:com.rti.motorcontrolpub.MotorControlMainActivity.java
@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_motor_control_main); /* Uncomment this to turn on additional logging */ /*/* w w w .j ava2 s. c om*/ * Logger.get_instance().set_verbosity_by_category( * LogCategory.NDDS_CONFIG_LOG_CATEGORY_API, * LogVerbosity.NDDS_CONFIG_LOG_VERBOSITY_STATUS_ALL); */ // Log.i(TAG, "calling publisherMain"); // Starting DDS subscriber as separate threaded task... if (MotorControlPublisher.Pub_sub_create_count == 1) { ExecutorService service = Executors.newFixedThreadPool(4); service.submit(new Runnable() { @Override public void run() { String[] args = { "0" };// {"0", "0"}; MotorControlPublisher.main(args); } }); MotorControlPublisher.Pub_sub_create_count = 0; } final Button StartBtn = (Button) findViewById(R.id.btnSubmit); StartBtn.setOnClickListener(new OnClickListener() { final Spinner spinner1 = (Spinner) findViewById(R.id.spinner1); final Spinner spinner2 = (Spinner) findViewById(R.id.spinner2); final Spinner spinner3 = (Spinner) findViewById(R.id.spinner3); final Spinner spinner4 = (Spinner) findViewById(R.id.spinner4); // Do click handling here public void onClick(View view) { MotorControlPublisher.flagBtn = true; spinner1.setEnabled(true); spinner2.setEnabled(true); spinner3.setEnabled(true); spinner4.setEnabled(true); if (spinner1.getSelectedItem().toString().equals("Green")) { MotorControlMainActivity.mMotor_id = "1"; } if (spinner1.getSelectedItem().toString().equals("Yellow")) { MotorControlMainActivity.mMotor_id = "2"; } if (spinner1.getSelectedItem().toString().equals("Both")) { MotorControlMainActivity.mMotor_id = "3"; } MotorControlMainActivity.mTime_sec = Integer.valueOf(spinner2.getSelectedItem().toString()); if (spinner3.getSelectedItem().toString().equals("Clock")) { MotorControlMainActivity.mDirection = "0"; } if (spinner3.getSelectedItem().toString().equals("Anti")) { MotorControlMainActivity.mDirection = "1"; } if (spinner3.getSelectedItem().toString().equals("Invrt")) { MotorControlMainActivity.mDirection = "2"; } if (spinner3.getSelectedItem().toString().equals("Outvt")) { MotorControlMainActivity.mDirection = "3"; } if (spinner4.getSelectedItem().toString().equals("Fastest")) { MotorControlMainActivity.mSpeed = 1; } if (spinner4.getSelectedItem().toString().equals("Faster")) { MotorControlMainActivity.mSpeed = 2; } if (spinner4.getSelectedItem().toString().equals("Fast")) { MotorControlMainActivity.mSpeed = 3; } if (spinner4.getSelectedItem().toString().equals("Slow")) { MotorControlMainActivity.mSpeed = 4; } if (spinner4.getSelectedItem().toString().equals("Slower")) { MotorControlMainActivity.mSpeed = 6; } if (spinner4.getSelectedItem().toString().equals("Slowest")) { MotorControlMainActivity.mSpeed = 8; } System.out.println("MotorControlPublisher.mMotor_id " + MotorControlMainActivity.mMotor_id); System.out.println("MotorControlPublisher.mTime_sec " + MotorControlMainActivity.mTime_sec); System.out.println("MotorControlPublisher.mDirection" + MotorControlMainActivity.mDirection); System.out.println("otorControlPublisher.mSpeed" + MotorControlMainActivity.mSpeed); // code for Web DDS HTTP POST // final DefaultHttpClient httpClient = new DefaultHttpClient(); httpClient.getParams().setParameter(ClientPNames.HANDLE_REDIRECTS, Boolean.FALSE); httpClient.getParams().getParameter("http.protocol.version"); Thread t = new Thread(new Runnable() { @Override public void run() { // replace with your url StringEntity se = null; httppost = new HttpPost( "http://87.82.193.136:8080/dds/rest1/applications/LED_Demo/participants/LEDs/publishers/MyPublisher/datawriters/MyMCWriter"); try { se = new StringEntity("<MotorControl><motor_id>" + MotorControlMainActivity.mMotor_id + "</motor_id><time_sec>" + MotorControlMainActivity.mTime_sec + "</time_sec><direction>" + MotorControlMainActivity.mDirection + "</direction><speed>" + MotorControlMainActivity.mSpeed + "</speed><action>0</action></MotorControl>", "UTF-8"); } catch (UnsupportedEncodingException e) { // TODO Auto-generated catch block e.printStackTrace(); } //System.out.println("POST: " + se); se.setContentType("application/webdds+xml"); httppost.addHeader("Cache-Control", "no-cache"); httppost.setEntity(se); try { httpClient.execute(httppost); } catch (ClientProtocolException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }); t.start(); final TextView mTextField = (TextView) findViewById(R.id.textView4); new CountDownTimer(MotorControlMainActivity.mTime_sec * 1000, 1000) { public void onTick(long millisUntilFinished) { StartBtn.setEnabled(false); spinner1.setEnabled(false); spinner2.setEnabled(false); spinner3.setEnabled(false); spinner4.setEnabled(false); mTextField.setText("Finishing in: " + millisUntilFinished / 1000 + " secs"); } public void onFinish() { // MotorControlPublisher.flagBtn = false; mTextField.setText(" "); StartBtn.setEnabled(true); spinner1.setEnabled(true); spinner2.setEnabled(true); spinner3.setEnabled(true); spinner4.setEnabled(true); if (spinner1.getSelectedItem().toString().equals("Green")) { MotorControlMainActivity.mMotor_id = "1"; } if (spinner1.getSelectedItem().toString().equals("Yellow")) { MotorControlMainActivity.mMotor_id = "2"; } if (spinner1.getSelectedItem().toString().equals("Both")) { MotorControlMainActivity.mMotor_id = "3"; } MotorControlMainActivity.mTime_sec = Integer.valueOf(spinner2.getSelectedItem().toString()); if (spinner3.getSelectedItem().toString().equals("Clock")) { MotorControlMainActivity.mDirection = "0"; } if (spinner3.getSelectedItem().toString().equals("Anti")) { MotorControlMainActivity.mDirection = "1"; } if (spinner3.getSelectedItem().toString().equals("Invrt")) { MotorControlMainActivity.mDirection = "2"; } if (spinner3.getSelectedItem().toString().equals("Outvt")) { MotorControlMainActivity.mDirection = "3"; } if (spinner4.getSelectedItem().toString().equals("Fastest")) { MotorControlMainActivity.mSpeed = 1; } if (spinner4.getSelectedItem().toString().equals("Faster")) { MotorControlMainActivity.mSpeed = 2; } if (spinner4.getSelectedItem().toString().equals("Fast")) { MotorControlMainActivity.mSpeed = 3; } if (spinner4.getSelectedItem().toString().equals("Slow")) { MotorControlMainActivity.mSpeed = 4; } if (spinner4.getSelectedItem().toString().equals("Slower")) { MotorControlMainActivity.mSpeed = 6; } if (spinner4.getSelectedItem().toString().equals("Slowest")) { MotorControlMainActivity.mSpeed = 8; } } }.start(); } }); /* Integration code for WebCam */ SharedPreferences preferences = getSharedPreferences("SAVED_VALUES", MODE_PRIVATE); width = preferences.getInt("width", width); height = preferences.getInt("height", height); ip_ad1 = preferences.getInt("ip_ad1", ip_ad1); ip_ad2 = preferences.getInt("ip_ad2", ip_ad2); ip_ad3 = preferences.getInt("ip_ad3", ip_ad3); ip_ad4 = preferences.getInt("ip_ad4", ip_ad4); ip_port = preferences.getInt("ip_port", ip_port); ip_command = preferences.getString("ip_command", ip_command); StringBuilder sb = new StringBuilder(); String s_http = "http://"; String s_dot = "."; String s_colon = ":"; String s_slash = "/"; sb.append(s_http); sb.append(ip_ad1); sb.append(s_dot); sb.append(ip_ad2); sb.append(s_dot); sb.append(ip_ad3); sb.append(s_dot); sb.append(ip_ad4); sb.append(s_colon); sb.append(ip_port); sb.append(s_slash); sb.append(ip_command); URL = new String(sb); mv = (MjpegView) findViewById(R.id.mv); if (mv != null) { mv.setResolution(width, height); } // setTitle(R.string.title_connecting); /* (e.g. x.new A() where x is an instance of MjpegActivity). */ MjpegActivity x = new MjpegActivity(); x.new DoRead().execute(URL); }
From source file:com.futureplatforms.kirin.extensions.databases.DatabasesBackend.java
public DatabasesBackend(Context context) { this(context, null, null, Executors.newCachedThreadPool(), Executors.newFixedThreadPool(1)); }
From source file:com.espertech.esper.multithread.TestMTStmtNamedWindowUpdate.java
private void trySend(int numThreads, int numEventsPerThread) throws Exception { Configuration config = SupportConfigFactory.getConfiguration(); config.addEventType("SupportBean", SupportBean.class); engine = EPServiceProviderManager.getDefaultProvider(config); engine.initialize();//from ww w .ja v a 2 s. co m // setup statements engine.getEPAdministrator().createEPL( "create window MyWindow.std:unique(theString, intPrimitive) as select * from SupportBean"); engine.getEPAdministrator() .createEPL("insert into MyWindow select * from SupportBean(boolPrimitive = true)"); engine.getEPAdministrator().createEPL("on SupportBean(boolPrimitive = false) sb " + "update MyWindow win set intBoxed = win.intBoxed + 1, doublePrimitive = win.doublePrimitive + sb.doublePrimitive" + " where sb.theString = win.theString and sb.intPrimitive = win.intPrimitive"); // send primer events, initialize totals Map<MultiKeyUntyped, UpdateTotals> totals = new HashMap<MultiKeyUntyped, UpdateTotals>(); for (int i = 0; i < NUM_STRINGS; i++) { for (int j = 0; j < NUM_INTS; j++) { SupportBean primer = new SupportBean(Integer.toString(i), j); primer.setBoolPrimitive(true); primer.setIntBoxed(0); primer.setDoublePrimitive(0); engine.getEPRuntime().sendEvent(primer); MultiKeyUntyped key = new MultiKeyUntyped(primer.getTheString(), primer.getIntPrimitive()); totals.put(key, new UpdateTotals(0, 0)); } } // execute long startTime = System.currentTimeMillis(); ExecutorService threadPool = Executors.newFixedThreadPool(numThreads); Future<StmtNamedWindowUpdateCallable.UpdateResult> future[] = new Future[numThreads]; for (int i = 0; i < numThreads; i++) { future[i] = threadPool .submit(new StmtNamedWindowUpdateCallable("Thread" + i, engine, numEventsPerThread)); } threadPool.shutdown(); threadPool.awaitTermination(10, TimeUnit.SECONDS); long endTime = System.currentTimeMillis(); // total up result long deltaCumulative = 0; for (int i = 0; i < numThreads; i++) { StmtNamedWindowUpdateCallable.UpdateResult result = future[i].get(); deltaCumulative += result.getDelta(); for (StmtNamedWindowUpdateCallable.UpdateItem item : result.getUpdates()) { MultiKeyUntyped key = new MultiKeyUntyped(item.getTheString(), item.getIntval()); UpdateTotals total = totals.get(key); if (total == null) { throw new RuntimeException("Totals not found for key " + key); } total.setNum(total.getNum() + 1); total.setSum(total.getSum() + item.getDoublePrimitive()); } } // compare EventBean[] rows = engine.getEPRuntime().executeQuery("select * from MyWindow").getArray(); assertEquals(rows.length, totals.size()); long totalUpdates = 0; for (EventBean row : rows) { UpdateTotals total = totals.get(new MultiKeyUntyped(row.get("theString"), row.get("intPrimitive"))); assertEquals(total.getNum(), row.get("intBoxed")); assertEquals(total.getSum(), row.get("doublePrimitive")); totalUpdates += total.getNum(); } assertEquals(totalUpdates, numThreads * numEventsPerThread); //long deltaTime = endTime - startTime; //System.out.println("Totals updated: " + totalUpdates + " Delta cumu: " + deltaCumulative + " Delta pooled: " + deltaTime); }
From source file:de.berber.kindle.annotator.controller.WorkQueue.java
/** * Startup the executors/*w w w .jav a 2s.co m*/ */ private void start() { final int cpuCount = Runtime.getRuntime().availableProcessors(); LOG.info("Starting " + cpuCount + " threads."); executor = Executors.newFixedThreadPool(cpuCount); }
From source file:edu.mit.oidc.web.StatusEndpoint.java
@RequestMapping(value = "/" + URL, method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE) public String getStatus(Model m) { Map<String, Map<String, Object>> e = new HashMap<>(); ExecutorService executor = Executors.newFixedThreadPool(3); try {//from w ww. java 2s . c o m List<Future<Map<String, Map<String, Object>>>> results = executor .invokeAll(Arrays.asList(new Callable<Map<String, Map<String, Object>>>() { // get database status @Override public Map<String, Map<String, Object>> call() throws Exception { return getDbStatus(); } }, new Callable<Map<String, Map<String, Object>>>() { // get kerberos status @Override public Map<String, Map<String, Object>> call() throws Exception { return getKerbStatus(); } }, new Callable<Map<String, Map<String, Object>>>() { // get LDAP status @Override public Map<String, Map<String, Object>> call() throws Exception { return getLdapStatus(); } }), getTimeoutSeconds(), TimeUnit.SECONDS); // collect all the results and return them for (Future<Map<String, Map<String, Object>>> result : results) { e.putAll(result.get()); } m.addAttribute(JsonEntityView.ENTITY, e); return JsonEntityView.VIEWNAME; } catch (InterruptedException | ExecutionException ex) { m.addAttribute(HttpCodeView.CODE, HttpStatus.INTERNAL_SERVER_ERROR); m.addAttribute(JsonErrorView.ERROR_MESSAGE, ex.getMessage()); return JsonErrorView.VIEWNAME; } }
From source file:com.flipkart.foxtrot.core.querystore.actions.NonCacheableActionTest.java
@Before public void setUp() throws Exception { ElasticsearchUtils.setMapper(mapper); DataStore dataStore = TestUtils.getDataStore(); //Initializing Cache Factory hazelcastInstance = new TestHazelcastInstanceFactory(1).newHazelcastInstance(); HazelcastConnection hazelcastConnection = Mockito.mock(HazelcastConnection.class); when(hazelcastConnection.getHazelcast()).thenReturn(hazelcastInstance); CacheUtils.setCacheFactory(new DistributedCacheFactory(hazelcastConnection, mapper)); elasticsearchServer = new MockElasticsearchServer(UUID.randomUUID().toString()); ElasticsearchConnection elasticsearchConnection = Mockito.mock(ElasticsearchConnection.class); when(elasticsearchConnection.getClient()).thenReturn(elasticsearchServer.getClient()); ElasticsearchUtils.initializeMappings(elasticsearchServer.getClient()); // Ensure that table exists before saving/reading data from it TableMetadataManager tableMetadataManager = Mockito.mock(TableMetadataManager.class); when(tableMetadataManager.exists(TestUtils.TEST_TABLE_NAME)).thenReturn(true); when(tableMetadataManager.get(anyString())).thenReturn(TestUtils.TEST_TABLE); QueryStore queryStore = new ElasticsearchQueryStore(tableMetadataManager, elasticsearchConnection, dataStore);/*from w w w . ja v a 2 s.com*/ AnalyticsLoader analyticsLoader = new AnalyticsLoader(tableMetadataManager, dataStore, queryStore, elasticsearchConnection); TestUtils.registerActions(analyticsLoader, mapper); ExecutorService executorService = Executors.newFixedThreadPool(1); queryExecutor = new QueryExecutor(analyticsLoader, executorService); queryStore.save(TestUtils.TEST_TABLE_NAME, TestUtils.getQueryDocuments(mapper)); }
From source file:com.dtstack.jlogstash.inputs.Netty.java
@Override public void prepare() { // TODO Auto-generated method stub if (StringUtils.isNotBlank(whiteListPath)) { if (executors == null) { synchronized (Netty.class) { if (executors == null) { whiteIpTask = new WhiteIpTask(whiteListPath, whiteList); executors = Executors.newFixedThreadPool(1); executors.execute(whiteIpTask); }/*ww w .j av a 2 s. com*/ } } } }
From source file:com.amazonaws.services.kinesis.aggregators.datastore.DynamoQueryEngine.java
public List<TableKeyStructure> parallelQueryKeys(QueryKeyScope scope, int threads) throws Exception { List<ParallelKeyScanWorker> workers = new ArrayList<>(); Collection<Future<?>> workerStatus = new ArrayList<>(); List<TableKeyStructure> output = new ArrayList<>(); int totalResultsProcessed = 0; // set up the executor thread pool ExecutorService executor = Executors.newFixedThreadPool(threads); // create workers for each segment that we need to do queries against for (int i = 0; i < threads; i++) { ParallelKeyScanWorker worker = new ParallelKeyScanWorker(this.tableName, i, threads, scope, this.labelAttribute, this.dateAttribute); workers.add(worker);/*w w w. jav a2 s. c o m*/ workerStatus.add(executor.submit(worker)); } for (Future<?> f : workerStatus) { f.get(); } executor.shutdown(); for (ParallelKeyScanWorker w : workers) { // throw any exceptions the worker incurred w.throwExceptions(); if (w.getResultCount() > 0) { output.addAll(w.getOutput()); } totalResultsProcessed += w.getResultsProcessed(); } LOG.info(String.format("Key Extraction Complete - Processed %s Key Items", totalResultsProcessed)); return output; }
From source file:io.hops.erasure_coding.ReedSolomonDecoder.java
@Override protected long fixErasedBlockImpl(FileSystem fs, Path srcFile, FileSystem parityFs, Path parityFile, boolean fixSource, long blockSize, long errorOffset, long limit, boolean partial, OutputStream out, Progressable reporter, CRC32 crc) throws IOException { if (partial) { throw new IOException("We don't support partial reconstruction"); }/* w w w .j a v a 2 s . c om*/ FSDataInputStream[] inputs = new FSDataInputStream[stripeSize + paritySize]; int[] erasedLocations = buildInputs(fs, srcFile, parityFs, parityFile, fixSource, errorOffset, inputs); int erasedLocationToFix; if (fixSource) { int blockIdxInStripe = ((int) (errorOffset / blockSize)) % stripeSize; erasedLocationToFix = paritySize + blockIdxInStripe; } else { // generate the idx for parity fixing. int blockIdxInStripe = ((int) (errorOffset / blockSize)) % paritySize; erasedLocationToFix = blockIdxInStripe; } // Allows network reads to go on while decode is going on. int boundedBufferCapacity = 2; parallelDecoder = Executors.newFixedThreadPool(parallelism); ParallelStreamReader parallelReader = new ParallelStreamReader(reporter, inputs, bufSize, parallelism, boundedBufferCapacity, blockSize); parallelReader.start(); decodeTime = 0; waitTime = 0; try { return writeFixedBlock(inputs, erasedLocations, erasedLocationToFix, limit, out, reporter, parallelReader, crc); } finally { // Inputs will be closed by parallelReader.shutdown(). parallelReader.shutdown(); LOG.info("Time spent in read " + parallelReader.readTime + ", decode " + decodeTime + " wait " + waitTime); parallelDecoder.shutdownNow(); } }