/**
* En este proyecto desarrollaremos una aplicación que calcula el factorial de 10 números
* distintos. Crearemos un tarea Callable que calcule el factorial de un número y un ejecutor con
* un grupo de 2 hilos que lance las diez tareas y obtenga el resultado de cada una de ellas,
* usando objetos Future, y lo almacene en una lista, para finalmente mostrar todos los
* resultados.
*/
public static void main(String[] args) {
// Creo un FixedThreadPool de dos hilos.
ThreadPoolExecutor ejecutor = (ThreadPoolExecutor) Executors.newFixedThreadPool(2);
// Creo una lista en la que almacenar los objetos Future con el resultado
// de los hilos.
List<Future<Integer>> listaResultados = new ArrayList<>();
// Creo 10 tareas consistente en el cálculo del factorial de números
// aleatorios menores que 10.
Random aleatorio = new Random();
Integer[] numeros = new Integer[10];
for (int i = 0; i < 10; i++) {
numeros[i] = aleatorio.nextInt(10);
CalculadoraFactorial factorial = new CalculadoraFactorial(numeros[i]);
Future<Integer> futuroResultado = ejecutor.submit(factorial);
listaResultados.add(futuroResultado);
}
// Espero la finalización de las diez tareas.
do {
// Mientras espero muestro los objetos Future disponibles.
System.out.printf("Completas -> %d. Tareas:", ejecutor.getCompletedTaskCount());
for (int i = 0; i < listaResultados.size(); i++) {
if (listaResultados.get(i).isDone()) {
System.out.printf(" %d", i);
}
}
System.out.printf("\n");
// Duermo durante unas milésimas para volver a comprobar.
try {
Thread.sleep(50);
} catch (InterruptedException e) {
e.printStackTrace();
}
} while (ejecutor.getCompletedTaskCount() < listaResultados.size());
// Muestro los resultados
System.out.printf("Resultados:\n");
Integer valor = null;
for (int i = 0; i < listaResultados.size(); i++) {
// Obtengo el objeto future de la lista.
Future<Integer> objetoResultado = listaResultados.get(i);
try {
valor = objetoResultado.get();
} catch (InterruptedException | ExecutionException e) {
e.printStackTrace();
}
System.out.printf("Tarea %d -> Factorial de %d = %d\n", i, numeros[i], valor);
}
// Finalizo el ejecutor.
ejecutor.shutdown();
}
public ThreadPoolStats stats() {
List<ThreadPoolStats.Stats> stats = new ArrayList<ThreadPoolStats.Stats>();
for (ExecutorHolder holder : executors.values()) {
String name = holder.info.getName();
// no need to have info on "same" thread pool
if ("same".equals(name)) {
continue;
}
int threads = -1;
int queue = -1;
int active = -1;
long rejected = -1;
int largest = -1;
long completed = -1;
if (holder.executor instanceof ThreadPoolExecutor) {
ThreadPoolExecutor threadPoolExecutor = (ThreadPoolExecutor) holder.executor;
threads = threadPoolExecutor.getPoolSize();
queue = threadPoolExecutor.getQueue().size();
active = threadPoolExecutor.getActiveCount();
largest = threadPoolExecutor.getLargestPoolSize();
completed = threadPoolExecutor.getCompletedTaskCount();
RejectedExecutionHandler rejectedExecutionHandler =
threadPoolExecutor.getRejectedExecutionHandler();
if (rejectedExecutionHandler instanceof XRejectedExecutionHandler) {
rejected = ((XRejectedExecutionHandler) rejectedExecutionHandler).rejected();
}
}
stats.add(
new ThreadPoolStats.Stats(name, threads, queue, active, rejected, largest, completed));
}
return new ThreadPoolStats(stats);
}
public void executeTask(Task task) {
System.out.printf("Server: A new task has arrived\n");
executor.execute(task);
System.out.printf("Server: Task count: %d \n", executor.getTaskCount());
System.out.printf("Server: Pool size: %d \n", executor.getPoolSize());
System.out.printf("Server: Active count: %d \n", executor.getActiveCount());
System.out.printf("Server: Compeleted task : %d \n", executor.getCompletedTaskCount());
}
public Future executeTask(Task task) {
System.out.println("Server: new task has arrived \n");
Future future = (Future) executor.submit(task);
System.out.printf("Server:%s Pool Size \n", executor.getPoolSize());
System.out.printf("Server:%s Active thread \n", executor.getActiveCount());
System.out.printf("Server:%s Completed Tasks \n", executor.getCompletedTaskCount());
return future;
}
@Test(timeout = 60000)
public void testPriorityRegionIsOpenedWithSeparateThreadPool() throws Exception {
ThreadPoolExecutor exec =
getRS().getExecutorService().getExecutorThreadPool(ExecutorType.RS_OPEN_PRIORITY_REGION);
assertEquals(0, exec.getCompletedTaskCount());
HTableDescriptor htd = new HTableDescriptor(tableName);
htd.setPriority(HConstants.HIGH_QOS);
htd.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));
try (Connection connection = ConnectionFactory.createConnection(HTU.getConfiguration());
Admin admin = connection.getAdmin()) {
admin.createTable(htd);
}
assertEquals(1, exec.getCompletedTaskCount());
}
@Override
public String toString() {
return "JobManager{done="
+ service.getCompletedTaskCount()
+ ", active="
+ service.getActiveCount()
+ ", total="
+ service.getTaskCount()
+ "}";
}
public void abortConnection() throws SQLException {
Connection connection = DriverManager.getConnection("jdbc:derby://localhost/java7book");
ThreadPoolExecutor executor =
new DebugExecutorService(2, 10, 60, TimeUnit.SECONDS, new LinkedBlockingQueue<Runnable>());
connection.abort(executor);
executor.shutdown();
try {
executor.awaitTermination(5, TimeUnit.MINUTES);
System.out.println(executor.getCompletedTaskCount());
} catch (InterruptedException e) {
e.printStackTrace();
}
}
public void run() {
while (true) {
ThreadPoolExecutor threadTemp = (ThreadPoolExecutor) serverView.getExecutor();
serverView.setActiveThreadCount(threadTemp.getActiveCount());
serverView.setTaskDealedCount(threadTemp.getCompletedTaskCount());
serverView.setCurrentTaskCount(threadTemp.getTaskCount());
serverView.ThreadShow();
try {
Thread.sleep(period);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
/*
并发压力测试
* */
@Test
public void testGetTraceId_MutilTreand() throws Exception {
ThreadPoolExecutor threadPool;
// 并发数
int concurrent = 10;
// 每并发请求数
long commint = 100 * 1000;
int rounds = 3; // 测试轮数
threadPool =
new ThreadPoolExecutor(
concurrent,
concurrent,
1,
TimeUnit.SECONDS,
new ArrayBlockingQueue<Runnable>(30),
new ThreadPoolExecutor.DiscardOldestPolicy());
long sumResult = 0;
int completeTask = 0;
for (int k : new int[rounds]) {
long startTime = System.currentTimeMillis();
// 创建traceId申请请求队列
for (int i = 0; i < concurrent; i++) {
try {
RequestTasker task = new RequestTasker(i, commint);
threadPool.execute(task);
} catch (Exception e) {
e.printStackTrace();
}
}
while (threadPool.getCompletedTaskCount() - completeTask < concurrent) {
Thread.sleep(5);
}
long endTime = System.currentTimeMillis();
sumResult += (endTime - startTime);
completeTask += concurrent;
}
System.out.println("多线程并发测试");
System.out.println("轮数=" + rounds);
System.out.println("每轮提交量=" + concurrent * commint);
System.out.println("平均耗时=" + sumResult / rounds + " ms");
System.out.printf("Tps=%.1f 次/ms\n", 1.0 * concurrent * commint / (sumResult / rounds));
threadPool.shutdown();
System.out.println("------------------------");
Thread.sleep(10);
}
public void run() {
AtomCache cache = new AtomCache(config);
StructureAlignment algorithm = null;
if (parent != null) algorithm = parent.getStructureAlignment();
else {
algorithm = customAlgorithm;
}
String serverLocation = FarmJobParameters.DEFAULT_SERVER_URL;
if (representatives == null) {
SortedSet<String> repre = JFatCatClient.getRepresentatives(serverLocation, 40);
System.out.println("got " + repre.size() + " representatives for comparison");
representatives = repre;
}
String header = "# algorithm:" + algorithm.getAlgorithmName();
String legend =
"# name1\tname2\tscore\tprobability\trmsd\tlen1\tlen2\tcov1\tcov2\t%ID\tDescription\t ";
if (algorithm.getAlgorithmName().equalsIgnoreCase(CeMain.algorithmName)
|| algorithm.getAlgorithmName().equalsIgnoreCase(CeSideChainMain.algorithmName)) {
legend = "# name1\tname2\tscore\tz-score\trmsd\tlen1\tlen2\tcov1\tcov2\t%ID\tDescription\t ";
}
File outFileF = new File(outFile);
if (!outFileF.isDirectory()) {
System.err.println(
outFileF.getAbsolutePath()
+ " is not a directory, can't create result files in there... ");
interrupt();
cleanup();
}
if (name1 == null) name1 = "CUSTOM";
SynchronizedOutFile out;
resultList = new File(outFileF, "results_" + name1 + ".out");
try {
out = new SynchronizedOutFile(resultList);
out.write(header);
out.write(AFPChain.newline);
out.write(legend);
out.write(AFPChain.newline);
if (name1.equals("CUSTOM")) {
String config1 = "#param:file1=" + parent.getDBSearch().getPDBUploadPanel().getFilePath1();
out.write(config1);
out.write(AFPChain.newline);
String config2 = "#param:chain1=" + parent.getDBSearch().getPDBUploadPanel().getChain1();
out.write(config2);
out.write(AFPChain.newline);
}
if (algorithm.getAlgorithmName().startsWith("jCE")) {
ConfigStrucAligParams params = algorithm.getParameters();
if (params instanceof CeParameters) {
CeParameters ceParams = (CeParameters) params;
if (ceParams.getScoringStrategy() != CeParameters.DEFAULT_SCORING_STRATEGY) {
String scoring = "#param:scoring=" + ceParams.getScoringStrategy();
out.write(scoring);
out.write(AFPChain.newline);
}
}
}
} catch (Exception e) {
System.err.println("Error while loading representative structure " + name1);
e.printStackTrace();
interrupt();
cleanup();
return;
}
DomainProvider domainProvider = DomainProviderFactory.getDomainProvider();
ConcurrencyTools.setThreadPoolSize(nrCPUs);
Atom[] ca1 = StructureTools.getAtomCAArray(structure1);
int nrJobs = 0;
for (String repre : representatives) {
if (domainSplit) {
SortedSet<String> domainNames = domainProvider.getDomainNames(repre);
// System.out.println(repre +" got domains: " +domainNames);
if (domainNames == null || domainNames.size() == 0) {
// no domains found, use whole chain.
submit(name1, repre, ca1, algorithm, outFileF, out, cache);
nrJobs++;
continue;
}
// System.out.println("got " + domainNames.size() + " for " + repre);
for (String domain : domainNames) {
submit(name1, domain, ca1, algorithm, outFileF, out, cache);
nrJobs++;
}
} else {
submit(name1, repre, ca1, algorithm, outFileF, out, cache);
nrJobs++;
}
}
ThreadPoolExecutor pool = ConcurrencyTools.getThreadPool();
System.out.println(pool.getPoolSize());
long startTime = System.currentTimeMillis();
try {
while (pool.getCompletedTaskCount() < nrJobs - 1) {
// long now = System.currentTimeMillis();
// System.out.println( pool.getCompletedTaskCount() + " " + (now-startTime)/1000 + " " +
// pool.getPoolSize() + " " + pool.getActiveCount() + " " + pool.getTaskCount() );
// if ((now-startTime)/1000 > 60) {
//
// interrupt();
// System.out.println("completed: " + pool.getCompletedTaskCount());
// }
if (interrupted.get()) break;
Thread.sleep(2000);
}
out.close();
} catch (Exception e) {
e.printStackTrace();
interrupt();
cleanup();
}
if (domainProvider instanceof RemoteDomainProvider) {
RemoteDomainProvider remote = (RemoteDomainProvider) domainProvider;
remote.flushCache();
}
long now = System.currentTimeMillis();
System.out.println("Calculation took : " + (now - startTime) / 1000 + " sec.");
System.out.println(
pool.getCompletedTaskCount()
+ " "
+ pool.getPoolSize()
+ " "
+ pool.getActiveCount()
+ " "
+ pool.getTaskCount());
// if ((now-startTime)/1000 > 30) {
// try {
// out.flush();
// out.close();
// } catch (Exception e) {
// e.printStackTrace();
// }
if (parent != null) {
parent.notifyCalcFinished();
DBResultTable table = new DBResultTable();
table.show(resultList, config);
}
}
public long getCompletedTaskCount() {
return (executor != null) ? executor.getCompletedTaskCount() : 0;
}
public String[] getStats() {
return new String[] {
"STP:",
" + Effects:",
" |- ActiveThreads: " + _effectsScheduledThreadPool.getActiveCount(),
" |- getCorePoolSize: " + _effectsScheduledThreadPool.getCorePoolSize(),
" |- PoolSize: " + _effectsScheduledThreadPool.getPoolSize(),
" |- MaximumPoolSize: " + _effectsScheduledThreadPool.getMaximumPoolSize(),
" |- CompletedTasks: " + _effectsScheduledThreadPool.getCompletedTaskCount(),
" |- ScheduledTasks: "
+ (_effectsScheduledThreadPool.getTaskCount()
- _effectsScheduledThreadPool.getCompletedTaskCount()),
" | -------",
" + General:",
" |- ActiveThreads: " + _generalScheduledThreadPool.getActiveCount(),
" |- getCorePoolSize: " + _generalScheduledThreadPool.getCorePoolSize(),
" |- PoolSize: " + _generalScheduledThreadPool.getPoolSize(),
" |- MaximumPoolSize: " + _generalScheduledThreadPool.getMaximumPoolSize(),
" |- CompletedTasks: " + _generalScheduledThreadPool.getCompletedTaskCount(),
" |- ScheduledTasks: "
+ (_generalScheduledThreadPool.getTaskCount()
- _generalScheduledThreadPool.getCompletedTaskCount()),
" | -------",
" + AI:",
" |- ActiveThreads: " + _aiScheduledThreadPool.getActiveCount(),
" |- getCorePoolSize: " + _aiScheduledThreadPool.getCorePoolSize(),
" |- PoolSize: " + _aiScheduledThreadPool.getPoolSize(),
" |- MaximumPoolSize: " + _aiScheduledThreadPool.getMaximumPoolSize(),
" |- CompletedTasks: " + _aiScheduledThreadPool.getCompletedTaskCount(),
" |- ScheduledTasks: "
+ (_aiScheduledThreadPool.getTaskCount()
- _aiScheduledThreadPool.getCompletedTaskCount()),
"TP:",
" + Packets:",
" |- ActiveThreads: " + _generalPacketsThreadPool.getActiveCount(),
" |- getCorePoolSize: " + _generalPacketsThreadPool.getCorePoolSize(),
" |- MaximumPoolSize: " + _generalPacketsThreadPool.getMaximumPoolSize(),
" |- LargestPoolSize: " + _generalPacketsThreadPool.getLargestPoolSize(),
" |- PoolSize: " + _generalPacketsThreadPool.getPoolSize(),
" |- CompletedTasks: " + _generalPacketsThreadPool.getCompletedTaskCount(),
" |- QueuedTasks: " + _generalPacketsThreadPool.getQueue().size(),
" | -------",
" + I/O Packets:",
" |- ActiveThreads: " + _ioPacketsThreadPool.getActiveCount(),
" |- getCorePoolSize: " + _ioPacketsThreadPool.getCorePoolSize(),
" |- MaximumPoolSize: " + _ioPacketsThreadPool.getMaximumPoolSize(),
" |- LargestPoolSize: " + _ioPacketsThreadPool.getLargestPoolSize(),
" |- PoolSize: " + _ioPacketsThreadPool.getPoolSize(),
" |- CompletedTasks: " + _ioPacketsThreadPool.getCompletedTaskCount(),
" |- QueuedTasks: " + _ioPacketsThreadPool.getQueue().size(),
" | -------",
" + General Tasks:",
" |- ActiveThreads: " + _generalThreadPool.getActiveCount(),
" |- getCorePoolSize: " + _generalThreadPool.getCorePoolSize(),
" |- MaximumPoolSize: " + _generalThreadPool.getMaximumPoolSize(),
" |- LargestPoolSize: " + _generalThreadPool.getLargestPoolSize(),
" |- PoolSize: " + _generalThreadPool.getPoolSize(),
" |- CompletedTasks: " + _generalThreadPool.getCompletedTaskCount(),
" |- QueuedTasks: " + _generalThreadPool.getQueue().size(),
" | -------",
" + Javolution stats:",
" |- FastList: " + FastList.report(),
" |- FastMap: " + FastMap.report(),
" |- FastSet: " + FastSet.report(),
" | -------"
};
}
public long getTaskCount() {
return (executorService_.getTaskCount() - executorService_.getCompletedTaskCount());
}
public void runScenario() {
MultiThreadedTaskRunner taskRunner = TestEnvironment.getMultiThreadedTaskRunner();
ThreadPoolExecutor executorService = (ThreadPoolExecutor) taskRunner.getExecutorService();
assertEquals(TestEnvironment.THREAD_COUNT, executorService.getMaximumPoolSize());
assertEquals(0, executorService.getActiveCount());
DataCleanerConfiguration configuration =
new DataCleanerConfigurationImpl()
.withEnvironment(new DataCleanerEnvironmentImpl().withTaskRunner(taskRunner));
AnalysisRunner runner = new AnalysisRunnerImpl(configuration);
Datastore ds = TestHelper.createSampleDatabaseDatastore("foobar");
try (DatastoreConnection con = ds.openConnection()) {
AnalysisJob job;
try (AnalysisJobBuilder analysisJobBuilder = new AnalysisJobBuilder(configuration)) {
analysisJobBuilder.setDatastore(ds);
Table table = con.getDataContext().getDefaultSchema().getTableByName("ORDERFACT");
assertNotNull(table);
Column statusColumn = table.getColumnByName("STATUS");
Column commentsColumn = table.getColumnByName("COMMENTS");
analysisJobBuilder.addSourceColumns(statusColumn, commentsColumn);
analysisJobBuilder
.addAnalyzer(AnalyzerMock.class)
.addInputColumns(analysisJobBuilder.getSourceColumns());
job = analysisJobBuilder.toAnalysisJob();
}
AnalysisResultFuture resultFuture = runner.run(job);
try {
Thread.sleep(550);
} catch (InterruptedException e) {
e.printStackTrace();
fail("Interrupted! " + e.getMessage());
}
resultFuture.cancel();
assertFalse(resultFuture.isSuccessful());
assertTrue(resultFuture.isCancelled());
assertTrue(resultFuture.isErrornous());
try {
Thread.sleep(400);
} catch (InterruptedException e) {
e.printStackTrace();
fail("Interrupted! " + e.getMessage());
}
assertEquals(TestEnvironment.THREAD_COUNT, executorService.getMaximumPoolSize());
long completedTaskCount = executorService.getCompletedTaskCount();
assertTrue("completedTaskCount was: " + completedTaskCount, completedTaskCount > 3);
int largestPoolSize = executorService.getLargestPoolSize();
assertTrue("largestPoolSize was: " + largestPoolSize, largestPoolSize > 5);
assertEquals(0, executorService.getActiveCount());
}
taskRunner.shutdown();
}
