Example usage for java.util TimerTask run

Introduction

In this page you can find the example usage for java.util TimerTask run.

Prototype

public abstract void run();

Source Link

Document

The action to be performed by this timer task.

Usage

From source file:de.eod.jliki.users.utils.UserDBHelper.java

/**
 * Initializes the database for user management.<br/>
 *//*w  w  w  .j ava2 s .  com*/
public static void initializeDB() {
    final Permission adminsDocroot = new Permission("*", PermissionCategoryMap.CATEGORY_DOCROOT,
            PermissionType.READWRITER);
    final Permission adminsFiles = new Permission("*", PermissionCategoryMap.CATEGORY_FILES,
            PermissionType.READWRITER);
    final Permission adminDocroot = new Permission("*", PermissionCategoryMap.CATEGORY_DOCROOT,
            PermissionType.OWNER);
    final Permission adminFiles = new Permission("*", PermissionCategoryMap.CATEGORY_FILES,
            PermissionType.OWNER);

    final UserGroup admins = new UserGroup("admins");
    admins.addPermission(new Permission("*", PermissionCategoryMap.CATEGORY_CONFIG, PermissionType.READWRITER));
    admins.addPermission(adminsDocroot);
    admins.addPermission(adminsFiles);

    final User admin = new User("admin", "password", "", "", "");

    admin.addPermission(new Permission("*", PermissionCategoryMap.CATEGORY_CONFIG, PermissionType.OWNER));
    admin.addPermission(new Permission("*", PermissionCategoryMap.CATEGORY_DOCROOT, PermissionType.OWNER));
    admin.addPermission(new Permission("*", PermissionCategoryMap.CATEGORY_FILES, PermissionType.OWNER));

    final UserGroup users = new UserGroup("users");
    // duplicates can occurr here ...
    final Permission usersDocroot = ConfigManager.getInstance().getConfig().getBaseConfig()
            .userDocrootPermission();
    final Permission usersFiles = ConfigManager.getInstance().getConfig().getBaseConfig().userFilePermission();

    if (usersDocroot.equals(adminsDocroot) && usersDocroot.getType() == adminsDocroot.getType()) {
        users.addPermission(adminsDocroot);
    } else if (usersDocroot.equals(adminDocroot) && usersDocroot.getType() == adminDocroot.getType()) {
        users.addPermission(adminDocroot);
    } else {
        users.addPermission(usersDocroot);
    }

    if (usersFiles.equals(adminsFiles) && usersFiles.getType() == adminsFiles.getType()) {
        users.addPermission(adminsFiles);
    } else if (usersFiles.equals(adminFiles) && usersFiles.getType() == adminFiles.getType()) {
        users.addPermission(adminFiles);
    } else {
        users.addPermission(usersFiles);
    }

    admin.getGroups().add(admins);
    admin.getGroups().add(users);

    admin.setActive(ActiveState.ACTIVE);
    UserDBHelper.addUserToDB(admin);

    final Timer timer = new Timer();
    final TimerTask task = new UserDBScheduler();
    task.run();
    final int onceADay = 1000 * 60 * 60 * 24;
    timer.scheduleAtFixedRate(new UserDBScheduler(), new Date(), onceADay);
}

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From source file:org.apache.hadoop.mapred.TestNodeHealthService.java

public void testNodeHealthScript() throws Exception {
    TaskTrackerHealthStatus healthStatus = new TaskTrackerHealthStatus();
    String errorScript = "echo ERROR\n echo \"Tracker not healthy\"";
    String normalScript = "echo \"I am all fine\"";
    String timeOutScript = "sleep 4\n echo\"I am fine\"";
    Configuration conf = getConfForNodeHealthScript();
    conf.writeXml(new FileOutputStream(nodeHealthConfigFile));

    NodeHealthCheckerService nodeHealthChecker = new NodeHealthCheckerService(conf);
    TimerTask timer = nodeHealthChecker.getTimer();
    writeNodeHealthScriptFile(normalScript, true);
    timer.run();

    nodeHealthChecker.setHealthStatus(healthStatus);
    LOG.info("Checking initial healthy condition");
    // Check proper report conditions.
    assertTrue("Node health status reported unhealthy", healthStatus.isNodeHealthy());
    assertTrue("Node health status reported unhealthy", healthStatus.getHealthReport().isEmpty());

    // write out error file.
    // Healthy to unhealthy transition
    writeNodeHealthScriptFile(errorScript, true);
    // Run timer/*from ww w .  j a  va2  s . c o  m*/
    timer.run();
    // update health status
    nodeHealthChecker.setHealthStatus(healthStatus);
    LOG.info("Checking Healthy--->Unhealthy");
    assertFalse("Node health status reported healthy", healthStatus.isNodeHealthy());
    assertFalse("Node health status reported healthy", healthStatus.getHealthReport().isEmpty());

    // Check unhealthy to healthy transitions.
    writeNodeHealthScriptFile(normalScript, true);
    timer.run();
    nodeHealthChecker.setHealthStatus(healthStatus);
    LOG.info("Checking UnHealthy--->healthy");
    // Check proper report conditions.
    assertTrue("Node health status reported unhealthy", healthStatus.isNodeHealthy());
    assertTrue("Node health status reported unhealthy", healthStatus.getHealthReport().isEmpty());

    // Healthy to timeout transition.
    writeNodeHealthScriptFile(timeOutScript, true);
    timer.run();
    nodeHealthChecker.setHealthStatus(healthStatus);
    LOG.info("Checking Healthy--->timeout");
    assertFalse("Node health status reported healthy even after timeout", healthStatus.isNodeHealthy());
    assertEquals("Node time out message not propogated", healthStatus.getHealthReport(),
            NodeHealthCheckerService.NODE_HEALTH_SCRIPT_TIMED_OUT_MSG);
}

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From source file:org.apache.hadoop.TestNodeHealthService.java

@Test
public void testNodeHealthScript() throws Exception {
    RecordFactory factory = RecordFactoryProvider.getRecordFactory(null);
    NodeHealthStatus healthStatus = factory.newRecordInstance(NodeHealthStatus.class);
    String errorScript = "echo ERROR\n echo \"Tracker not healthy\"";
    String normalScript = "echo \"I am all fine\"";
    String timeOutScript = "sleep 4\n echo\"I am fine\"";
    Configuration conf = getConfForNodeHealthScript();
    conf.writeXml(new FileOutputStream(nodeHealthConfigFile));
    conf.addResource(nodeHealthConfigFile.getName());

    NodeHealthCheckerService nodeHealthChecker = new NodeHealthCheckerService(conf);
    TimerTask timer = nodeHealthChecker.getTimer();
    writeNodeHealthScriptFile(normalScript, true);
    timer.run();

    nodeHealthChecker.setHealthStatus(healthStatus);
    LOG.info("Checking initial healthy condition");
    // Check proper report conditions.
    Assert.assertTrue("Node health status reported unhealthy", healthStatus.getIsNodeHealthy());
    Assert.assertTrue("Node health status reported unhealthy", healthStatus.getHealthReport().isEmpty());

    // write out error file.
    // Healthy to unhealthy transition
    writeNodeHealthScriptFile(errorScript, true);
    // Run timer/*  w w  w.j  a  va  2s.  c o m*/
    timer.run();
    // update health status
    nodeHealthChecker.setHealthStatus(healthStatus);
    LOG.info("Checking Healthy--->Unhealthy");
    Assert.assertFalse("Node health status reported healthy", healthStatus.getIsNodeHealthy());
    Assert.assertFalse("Node health status reported healthy", healthStatus.getHealthReport().isEmpty());

    // Check unhealthy to healthy transitions.
    writeNodeHealthScriptFile(normalScript, true);
    timer.run();
    nodeHealthChecker.setHealthStatus(healthStatus);
    LOG.info("Checking UnHealthy--->healthy");
    // Check proper report conditions.
    Assert.assertTrue("Node health status reported unhealthy", healthStatus.getIsNodeHealthy());
    Assert.assertTrue("Node health status reported unhealthy", healthStatus.getHealthReport().isEmpty());

    // Healthy to timeout transition.
    writeNodeHealthScriptFile(timeOutScript, true);
    timer.run();
    nodeHealthChecker.setHealthStatus(healthStatus);
    LOG.info("Checking Healthy--->timeout");
    Assert.assertFalse("Node health status reported healthy even after timeout",
            healthStatus.getIsNodeHealthy());
    Assert.assertEquals("Node time out message not propogated", healthStatus.getHealthReport(),
            NodeHealthCheckerService.NODE_HEALTH_SCRIPT_TIMED_OUT_MSG);
}

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From source file:org.apache.hadoop.yarn.server.nodemanager.nodelabels.TestConfigurationNodeLabelsProvider.java

@Test
public void testNodeLabelsFromConfig() throws IOException, InterruptedException {
    Configuration conf = new Configuration();
    modifyConf("A");
    nodeLabelsProvider.init(conf);/*  w w  w  .j a va2s.  c o m*/
    // test for ensuring labels are set during initialization of the class
    nodeLabelsProvider.start();
    assertNLCollectionEquals(toNodeLabelSet("A"), nodeLabelsProvider.getNodeLabels());

    // test for valid Modification
    TimerTask timerTask = nodeLabelsProvider.getTimerTask();
    modifyConf("X");
    timerTask.run();
    assertNLCollectionEquals(toNodeLabelSet("X"), nodeLabelsProvider.getNodeLabels());
}

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From source file:org.opendaylight.vtn.manager.internal.util.concurrent.FutureCancellerTest.java

/**
 * Test method for//from w  w  w  .  j ava 2s .  c o  m
 * {@link FutureCanceller#set(Timer,long,ListenableFuture)} and
 * {@link FutureCanceller#set(Timer,long,ListenableFuture,boolean)}.
 *
 * @throws Exception  An error occurred.
 */
@Test
public void testSet() throws Exception {
    TestTimer timer = new TestTimer();
    List<Triple<SettableVTNFuture<Void>, Long, Boolean>> list = new ArrayList<>();
    IllegalStateException cause = new IllegalStateException();
    ListenableFuture<Void> succeeded = Futures.<Void>immediateFuture(null);
    ListenableFuture<Void> failed = Futures.<Void>immediateFailedFuture(cause);
    ListenableFuture<Void> cancelled = Futures.<Void>immediateCancelledFuture();
    List<ListenableFuture<Void>> ignored = new ArrayList<>();
    Collections.addAll(ignored, succeeded, failed, cancelled);

    long[] timeouts = { 1L, 10L, 333333L };
    boolean[] bools = { true, false };
    for (long timeout : timeouts) {
        SettableVTNFuture<Void> f = new SettableVTNFuture<>();
        f.setThread(Thread.currentThread());
        Triple<SettableVTNFuture<Void>, Long, Boolean> expected = new ImmutableTriple<>(f, timeout, false);
        list.add(expected);
        FutureCanceller.set(timer, timeout, f);

        // Completed future should be ignored.
        for (ListenableFuture<Void> completed : ignored) {
            FutureCanceller.set(timer, timeout, completed);
        }

        for (boolean intr : bools) {
            f = new SettableVTNFuture<>();
            f.setThread(Thread.currentThread());
            expected = new ImmutableTriple<>(f, timeout, intr);
            list.add(expected);
            FutureCanceller.set(timer, timeout, f, intr);

            // Completed future should be ignored.
            for (ListenableFuture<Void> completed : ignored) {
                FutureCanceller.set(timer, timeout, completed, intr);
            }
        }
    }

    Iterator<Triple<SettableVTNFuture<Void>, Long, Boolean>> it = list.iterator();
    for (Pair<Long, TimerTask> pair : timer.getTasks()) {
        assertTrue(it.hasNext());
        Triple<SettableVTNFuture<Void>, Long, Boolean> expected = it.next();

        // Check delay.
        assertEquals(expected.getMiddle(), pair.getLeft());

        // Check the target future.
        TimerTask task = pair.getRight();
        assertTrue(task instanceof FutureCanceller<?>);
        ListenableFuture target = getFieldValue(task, ListenableFuture.class, "targetTask");
        SettableVTNFuture<Void> f = expected.getLeft();
        assertEquals(target, f);

        // Check intr flag.
        Boolean intr = getFieldValue(task, Boolean.class, "needInterrupt");
        assertEquals(intr, expected.getRight());

        // Cancel the target future.
        assertEquals(false, f.isCancelled());
        assertEquals(false, f.isDone());
        task.run();
        assertEquals(intr.booleanValue(), Thread.interrupted());
        assertEquals(true, f.isCancelled());
        assertEquals(true, f.isDone());
    }

    assertFalse(it.hasNext());
}

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