Examples with SerializableRunnable org.apache.geode.test.dunit.SerializableRunnable used on opensource projects

Example 46 with SerializableRunnable

use of org.apache.geode.test.dunit.SerializableRunnable in project geode by apache.

the class QueueCommandsDUnitTest method testCreateUpdatesSharedConfig.

/**
   * Asserts that creating async event queues correctly updates the shared configuration.
   */
// GEODE-1976
@Category(FlakyTest.class)
@Test
public void testCreateUpdatesSharedConfig() throws IOException {
    disconnectAllFromDS();
    final int[] ports = AvailablePortHelper.getRandomAvailableTCPPorts(2);
    jmxPort = ports[0];
    httpPort = ports[1];
    try {
        jmxHost = InetAddress.getLocalHost().getHostName();
    } catch (UnknownHostException ignore) {
        jmxHost = "localhost";
    }
    final String queueName = "testAsyncEventQueueQueue";
    final String groupName = "testAsyncEventQueueSharedConfigGroup";
    final Properties locatorProps = new Properties();
    locatorProps.setProperty(NAME, "Locator");
    locatorProps.setProperty(MCAST_PORT, "0");
    locatorProps.setProperty(LOG_LEVEL, "fine");
    locatorProps.setProperty(ENABLE_CLUSTER_CONFIGURATION, "true");
    locatorProps.setProperty(JMX_MANAGER, "true");
    locatorProps.setProperty(JMX_MANAGER_START, "true");
    locatorProps.setProperty(JMX_MANAGER_BIND_ADDRESS, String.valueOf(jmxHost));
    locatorProps.setProperty(JMX_MANAGER_PORT, String.valueOf(jmxPort));
    locatorProps.setProperty(HTTP_SERVICE_PORT, String.valueOf(httpPort));
    // Start the Locator and wait for shared configuration to be available
    final int locatorPort = AvailablePort.getRandomAvailablePort(AvailablePort.SOCKET);
    Host.getHost(0).getVM(0).invoke(new SerializableRunnable() {

        @Override
        public void run() {
            final File locatorLogFile = new File("locator-" + locatorPort + ".log");
            try {
                final InternalLocator locator = (InternalLocator) Locator.startLocatorAndDS(locatorPort, locatorLogFile, null, locatorProps);
                WaitCriterion wc = new WaitCriterion() {

                    @Override
                    public boolean done() {
                        return locator.isSharedConfigurationRunning();
                    }

                    @Override
                    public String description() {
                        return "Waiting for shared configuration to be started";
                    }
                };
                waitForCriterion(wc, 5000, 500, true);
            } catch (IOException ioex) {
                fail("Unable to create a locator with a shared configuration");
            }
        }
    });
    connect(jmxHost, jmxPort, httpPort, getDefaultShell());
    // Create a cache in VM 1
    VM vm = Host.getHost(0).getVM(1);
    vm.invoke(new SerializableRunnable() {

        @Override
        public void run() {
            Properties localProps = new Properties();
            localProps.setProperty(MCAST_PORT, "0");
            localProps.setProperty(LOCATORS, "localhost[" + locatorPort + "]");
            localProps.setProperty(GROUPS, groupName);
            getSystem(localProps);
            assertNotNull(getCache());
        }
    });
    // Deploy a JAR file with an AsyncEventListener that can be instantiated on each server
    final File jarFile = new File(new File(".").getAbsolutePath(), "QueueCommandsDUnit.jar");
    QueueCommandsDUnitTest.this.filesToBeDeleted.add(jarFile.getAbsolutePath());
    ClassBuilder classBuilder = new ClassBuilder();
    byte[] jarBytes = classBuilder.createJarFromClassContent("com/qcdunit/QueueCommandsDUnitTestListener", "package com.qcdunit;" + "import java.util.List; import java.util.Properties;" + "import org.apache.geode.internal.cache.xmlcache.Declarable2; import org.apache.geode.cache.asyncqueue.AsyncEvent;" + "import org.apache.geode.cache.asyncqueue.AsyncEventListener;" + "public class QueueCommandsDUnitTestListener implements Declarable2, AsyncEventListener {" + "Properties props;" + "public boolean processEvents(List<AsyncEvent> events) { return true; }" + "public void close() {}" + "public void init(final Properties props) {this.props = props;}" + "public Properties getConfig() {return this.props;}}");
    writeJarBytesToFile(jarFile, jarBytes);
    CommandResult cmdResult = executeCommand("deploy --jar=QueueCommandsDUnit.jar");
    assertEquals(Result.Status.OK, cmdResult.getStatus());
    // Test creating the queue
    CommandStringBuilder commandStringBuilder = new CommandStringBuilder(CliStrings.CREATE_ASYNC_EVENT_QUEUE);
    commandStringBuilder.addOption(CliStrings.CREATE_ASYNC_EVENT_QUEUE__ID, queueName);
    commandStringBuilder.addOption(CliStrings.CREATE_ASYNC_EVENT_QUEUE__GROUP, groupName);
    commandStringBuilder.addOption(CliStrings.CREATE_ASYNC_EVENT_QUEUE__LISTENER, "com.qcdunit.QueueCommandsDUnitTestListener");
    cmdResult = executeCommand(commandStringBuilder.toString());
    assertEquals(Result.Status.OK, cmdResult.getStatus());
    // Make sure the queue exists in the shared config
    Host.getHost(0).getVM(0).invoke(new SerializableRunnable() {

        @Override
        public void run() {
            ClusterConfigurationService sharedConfig = ((InternalLocator) Locator.getLocator()).getSharedConfiguration();
            String xmlFromConfig;
            try {
                xmlFromConfig = sharedConfig.getConfiguration(groupName).getCacheXmlContent();
                assertTrue(xmlFromConfig.contains(queueName));
            } catch (Exception e) {
                fail("Error occurred in cluster configuration service", e);
            }
        }
    });
    // Close cache in the vm1 and restart it to get the shared configuration
    vm = Host.getHost(0).getVM(1);
    vm.invoke(new SerializableRunnable() {

        @Override
        public void run() {
            Cache cache = getCache();
            assertNotNull(cache);
            cache.close();
            assertTrue(cache.isClosed());
            Properties localProps = new Properties();
            localProps.setProperty(MCAST_PORT, "0");
            localProps.setProperty(LOCATORS, "localhost[" + locatorPort + "]");
            localProps.setProperty(GROUPS, groupName);
            localProps.setProperty(USE_CLUSTER_CONFIGURATION, "true");
            getSystem(localProps);
            cache = getCache();
            assertNotNull(cache);
            AsyncEventQueue aeq = cache.getAsyncEventQueue(queueName);
            assertNotNull(aeq);
        }
    });
}

Example 47 with SerializableRunnable

use of org.apache.geode.test.dunit.SerializableRunnable in project geode by apache.

the class DiskRegionDUnitTest method testRemoteUpdates.

/**
   * Makes sure that updates from other VMs cause existing entries to be written to disk.
   */
@Test
public void testRemoteUpdates() throws Exception {
    final String name = this.getUniqueName();
    SerializableRunnable create = new CacheSerializableRunnable("Create region") {

        public void run2() throws CacheException {
            AttributesFactory factory = new AttributesFactory();
            factory.setScope(Scope.DISTRIBUTED_NO_ACK);
            factory.setEvictionAttributes(EvictionAttributes.createLRUMemoryAttributes(2, null, EvictionAction.OVERFLOW_TO_DISK));
            File d = new File("DiskRegions" + OSProcess.getId());
            d.mkdirs();
            DiskStoreFactory dsf = getCache().createDiskStoreFactory();
            dsf.setDiskDirs(new File[] { d });
            DiskStore ds = dsf.create(name);
            factory.setDiskStoreName(ds.getName());
            createRegion(name, factory.create());
        }
    };
    Host host = Host.getHost(0);
    VM vm0 = host.getVM(0);
    VM vm1 = host.getVM(1);
    vm0.invoke(create);
    vm1.invoke(create);
    vm0.invoke(new CacheSerializableRunnable("Fill Region") {

        public void run2() throws CacheException {
            LocalRegion region = (LocalRegion) getRootRegion().getSubregion(name);
            // DiskRegion dr = region.getDiskRegion();
            LRUStatistics lruStats = getLRUStats(region);
            int i;
            for (i = 0; lruStats.getEvictions() <= 0; i++) {
                region.put(new Integer(i), new short[250]);
            }
            assertTrue(i > 5);
        }
    });
    vm1.invoke(new CacheSerializableRunnable("Update Region") {

        public void run2() throws CacheException {
            LocalRegion region = (LocalRegion) getRootRegion().getSubregion(name);
            // LRUStatistics lruStats = getLRUStats(region);
            for (int i = 0; i < 10; i++) {
                region.put(new Integer(i), new int[250]);
            }
        }
    });
    vm0.invoke(new CacheSerializableRunnable("Verify overflow") {

        public void run2() throws CacheException {
            LocalRegion region = (LocalRegion) getRootRegion().getSubregion(name);
            // DiskRegion dr = region.getDiskRegion();
            final LRUStatistics lruStats = getLRUStats(region);
            WaitCriterion ev = new WaitCriterion() {

                public boolean done() {
                    return lruStats.getEvictions() > 6;
                }

                public String description() {
                    return "waiting for evictions to exceed 6";
                }
            };
            Wait.waitForCriterion(ev, 5 * 1000, 200, true);
        // DiskRegionStats diskStats = dr.getStats();
        // assertTrue(diskStats.getWrites() > 6);
        }
    });
    vm0.invoke(new CacheSerializableRunnable("Populate with byte[]") {

        public void run2() throws CacheException {
            LocalRegion region = (LocalRegion) getRootRegion().getSubregion(name);
            // LRUStatistics lruStats = getLRUStats(region);
            for (int i = 0; i < 10000; i++) {
                region.put(String.valueOf(i), String.valueOf(i).getBytes());
            }
        }
    });
    vm1.invoke(new CacheSerializableRunnable("Get with byte[]") {

        public void run2() throws CacheException {
            LocalRegion region = (LocalRegion) getRootRegion().getSubregion(name);
            // LRUStatistics lruStats = getLRUStats(region);
            for (int i = 0; i < 10000; i++) {
                byte[] bytes = (byte[]) region.get(String.valueOf(i));
                assertEquals(String.valueOf(i), new String(bytes));
            }
        }
    });
}

Example 48 with SerializableRunnable

use of org.apache.geode.test.dunit.SerializableRunnable in project geode by apache.

the class ClientMembershipDUnitTest method testClientMembershipEventsInServer.

/**
   * Tests notification of events in server process. Bridge servers detect client joins when the
   * client connects to the server.
   */
@Test
public void testClientMembershipEventsInServer() throws Exception {
    final boolean[] fired = new boolean[3];
    final DistributedMember[] member = new DistributedMember[3];
    final String[] memberId = new String[3];
    final boolean[] isClient = new boolean[3];
    // create and register ClientMembershipListener in controller vm...
    ClientMembershipListener listener = new ClientMembershipListener() {

        public void memberJoined(ClientMembershipEvent event) {
            System.out.println("[testClientMembershipEventsInServer] memberJoined: " + event);
            fired[JOINED] = true;
            member[JOINED] = event.getMember();
            memberId[JOINED] = event.getMemberId();
            isClient[JOINED] = event.isClient();
            assertFalse(fired[LEFT] || fired[CRASHED]);
        }

        public void memberLeft(ClientMembershipEvent event) {
            System.out.println("[testClientMembershipEventsInServer] memberLeft: " + event);
            fired[LEFT] = true;
            member[LEFT] = event.getMember();
            memberId[LEFT] = event.getMemberId();
            isClient[LEFT] = event.isClient();
            assertFalse(fired[JOINED] || fired[CRASHED]);
        }

        public void memberCrashed(ClientMembershipEvent event) {
            System.out.println("[testClientMembershipEventsInServer] memberCrashed: " + event);
            fired[CRASHED] = true;
            member[CRASHED] = event.getMember();
            memberId[CRASHED] = event.getMemberId();
            isClient[CRASHED] = event.isClient();
            assertFalse(fired[JOINED] || fired[LEFT]);
        }
    };
    ClientMembership.registerClientMembershipListener(listener);
    final VM vm0 = Host.getHost(0).getVM(0);
    final String name = this.getUniqueName();
    final int[] ports = new int[1];
    // create BridgeServer in controller vm...
    System.out.println("[testClientMembershipEventsInServer] Create BridgeServer");
    getSystem();
    AttributesFactory factory = new AttributesFactory();
    factory.setScope(Scope.LOCAL);
    Region region = createRegion(name, factory.create());
    assertNotNull(region);
    assertNotNull(getRootRegion().getSubregion(name));
    ports[0] = startBridgeServer(0);
    assertTrue(ports[0] != 0);
    DistributedMember serverMember = getMemberId();
    String serverMemberId = serverMember.toString();
    System.out.println("[testClientMembershipEventsInServer] ports[0]=" + ports[0]);
    System.out.println("[testClientMembershipEventsInServer] serverMemberId=" + serverMemberId);
    System.out.println("[testClientMembershipEventsInServer] serverMember=" + serverMember);
    assertFalse(fired[JOINED]);
    assertNull(member[JOINED]);
    assertNull(memberId[JOINED]);
    assertFalse(isClient[JOINED]);
    assertFalse(fired[LEFT]);
    assertNull(member[LEFT]);
    assertNull(memberId[LEFT]);
    assertFalse(isClient[LEFT]);
    assertFalse(fired[CRASHED]);
    assertNull(member[CRASHED]);
    assertNull(memberId[CRASHED]);
    assertFalse(isClient[CRASHED]);
    // sanity check...
    System.out.println("[testClientMembershipEventsInServer] sanity check");
    DistributedMember test = new TestDistributedMember("test");
    InternalClientMembership.notifyClientJoined(test);
    Awaitility.await().pollInterval(100, TimeUnit.MILLISECONDS).pollDelay(100, TimeUnit.MILLISECONDS).timeout(300, TimeUnit.SECONDS).until(() -> {
        return fired[JOINED] || fired[LEFT] || fired[CRASHED];
    });
    assertTrue(fired[JOINED]);
    assertEquals(test, member[JOINED]);
    assertEquals(test.getId(), memberId[JOINED]);
    assertTrue(isClient[JOINED]);
    assertFalse(fired[LEFT]);
    assertNull(member[LEFT]);
    assertNull(memberId[LEFT]);
    assertFalse(isClient[LEFT]);
    assertFalse(fired[CRASHED]);
    assertNull(member[CRASHED]);
    assertNull(memberId[CRASHED]);
    assertFalse(isClient[CRASHED]);
    resetArraysForTesting(fired, member, memberId, isClient);
    final Host host = Host.getHost(0);
    SerializableCallable createConnectionPool = new SerializableCallable("Create connectionPool") {

        public Object call() {
            System.out.println("[testClientMembershipEventsInServer] create bridge client");
            Properties config = new Properties();
            config.setProperty(MCAST_PORT, "0");
            config.setProperty(LOCATORS, "");
            config.setProperty(ENABLE_NETWORK_PARTITION_DETECTION, "false");
            properties = config;
            DistributedSystem s = getSystem(config);
            AttributesFactory factory = new AttributesFactory();
            Pool pool = ClientServerTestCase.configureConnectionPool(factory, NetworkUtils.getServerHostName(host), ports, true, -1, 2, null);
            createRegion(name, factory.create());
            assertNotNull(getRootRegion().getSubregion(name));
            // see geode-1078
            assertTrue(s == basicGetSystem());
            return getMemberId();
        }
    };
    // create bridge client in vm0...
    DistributedMember clientMember = (DistributedMember) vm0.invoke(createConnectionPool);
    String clientMemberId = clientMember.toString();
    Awaitility.await().pollInterval(100, TimeUnit.MILLISECONDS).pollDelay(100, TimeUnit.MILLISECONDS).timeout(300, TimeUnit.SECONDS).until(() -> {
        return fired[JOINED] || fired[LEFT] || fired[CRASHED];
    });
    System.out.println("[testClientMembershipEventsInServer] assert server detected client join");
    assertTrue(fired[JOINED]);
    assertEquals(member[JOINED] + " should equal " + clientMember, clientMember, member[JOINED]);
    assertEquals(memberId[JOINED] + " should equal " + clientMemberId, clientMemberId, memberId[JOINED]);
    assertTrue(isClient[JOINED]);
    assertFalse(fired[LEFT]);
    assertNull(member[LEFT]);
    assertNull(memberId[LEFT]);
    assertFalse(isClient[LEFT]);
    assertFalse(fired[CRASHED]);
    assertNull(member[CRASHED]);
    assertNull(memberId[CRASHED]);
    assertFalse(isClient[CRASHED]);
    resetArraysForTesting(fired, member, memberId, isClient);
    pauseForClientToJoin();
    vm0.invoke(new SerializableRunnable("Stop bridge client") {

        public void run() {
            System.out.println("[testClientMembershipEventsInServer] Stop bridge client");
            getRootRegion().getSubregion(name).close();
            Map m = PoolManager.getAll();
            Iterator mit = m.values().iterator();
            while (mit.hasNext()) {
                Pool p = (Pool) mit.next();
                p.destroy();
            }
        }
    });
    Awaitility.await().pollInterval(100, TimeUnit.MILLISECONDS).pollDelay(100, TimeUnit.MILLISECONDS).timeout(300, TimeUnit.SECONDS).until(() -> {
        return fired[JOINED] || fired[LEFT] || fired[CRASHED];
    });
    System.out.println("[testClientMembershipEventsInServer] assert server detected client left");
    assertFalse(fired[JOINED]);
    assertNull(member[JOINED]);
    assertNull(memberId[JOINED]);
    assertFalse(isClient[JOINED]);
    assertTrue(fired[LEFT]);
    assertEquals(clientMember, member[LEFT]);
    assertEquals(clientMemberId, memberId[LEFT]);
    assertTrue(isClient[LEFT]);
    assertFalse(fired[CRASHED]);
    assertNull(member[CRASHED]);
    assertNull(memberId[CRASHED]);
    assertFalse(isClient[CRASHED]);
    resetArraysForTesting(fired, member, memberId, isClient);
    // reconnect bridge client to test for crashed event
    clientMemberId = vm0.invoke(createConnectionPool).toString();
    Awaitility.await().pollInterval(100, TimeUnit.MILLISECONDS).pollDelay(100, TimeUnit.MILLISECONDS).timeout(300, TimeUnit.SECONDS).until(() -> {
        return fired[JOINED] || fired[LEFT] || fired[CRASHED];
    });
    System.out.println("[testClientMembershipEventsInServer] assert server detected client re-join");
    assertTrue(fired[JOINED]);
    assertEquals(clientMember, member[JOINED]);
    assertEquals(clientMemberId, memberId[JOINED]);
    assertTrue(isClient[JOINED]);
    assertFalse(fired[LEFT]);
    assertNull(member[LEFT]);
    assertNull(memberId[LEFT]);
    assertFalse(isClient[LEFT]);
    assertFalse(fired[CRASHED]);
    assertNull(member[CRASHED]);
    assertNull(memberId[CRASHED]);
    assertFalse(isClient[CRASHED]);
    resetArraysForTesting(fired, member, memberId, isClient);
    pauseForClientToJoin();
    ServerConnection.setForceClientCrashEvent(true);
    try {
        vm0.invoke(new SerializableRunnable("Stop bridge client") {

            public void run() {
                System.out.println("[testClientMembershipEventsInServer] Stop bridge client");
                getRootRegion().getSubregion(name).close();
                Map m = PoolManager.getAll();
                Iterator mit = m.values().iterator();
                while (mit.hasNext()) {
                    Pool p = (Pool) mit.next();
                    p.destroy();
                }
            }
        });
        Awaitility.await().pollInterval(100, TimeUnit.MILLISECONDS).pollDelay(100, TimeUnit.MILLISECONDS).timeout(300, TimeUnit.SECONDS).until(() -> {
            return fired[JOINED] || fired[LEFT] || fired[CRASHED];
        });
        System.out.println("[testClientMembershipEventsInServer] assert server detected client crashed");
        assertFalse(fired[JOINED]);
        assertNull(member[JOINED]);
        assertNull(memberId[JOINED]);
        assertFalse(isClient[JOINED]);
        assertFalse(fired[LEFT]);
        assertNull(member[LEFT]);
        assertNull(memberId[LEFT]);
        assertFalse(isClient[LEFT]);
        assertTrue(fired[CRASHED]);
        assertEquals(clientMember, member[CRASHED]);
        assertEquals(clientMemberId, memberId[CRASHED]);
        assertTrue(isClient[CRASHED]);
    } finally {
        ServerConnection.setForceClientCrashEvent(false);
    }
}

Example 49 with SerializableRunnable

use of org.apache.geode.test.dunit.SerializableRunnable in project geode by apache.

the class ClearMultiVmDUnitTest method testGiiandClear.

// end of testClearExceptions
@Test
public void testGiiandClear() throws Throwable {
    if (false) {
        getSystem().getLogWriter().severe("testGiiandClear skipped because of bug 34963");
    } else {
        Host host = Host.getHost(0);
        VM vm0 = host.getVM(0);
        VM vm1 = host.getVM(1);
        SerializableRunnable create = new CacheSerializableRunnable("create mirrored region") {

            public void run2() throws CacheException {
                AttributesFactory factory1 = new AttributesFactory();
                factory1.setScope(Scope.DISTRIBUTED_ACK);
                factory1.setDataPolicy(DataPolicy.REPLICATE);
                RegionAttributes attr1 = factory1.create();
                mirroredRegion = cache.createRegion("mirrored", attr1);
                // reset slow
                org.apache.geode.internal.cache.InitialImageOperation.slowImageProcessing = 0;
            }
        };
        vm0.invoke(create);
        vm0.invoke(new CacheSerializableRunnable("put initial data") {

            public void run2() throws CacheException {
                for (int i = 0; i < 1000; i++) {
                    mirroredRegion.put(new Integer(i), (new Integer(i)).toString());
                }
            }
        });
        // slow down image processing to make it more likely to get async updates
        vm1.invoke(new SerializableRunnable("set slow image processing") {

            public void run() {
                // if this is a no_ack test, then we need to slow down more because of the
                // pauses in the nonblocking operations
                int pause = 50;
                org.apache.geode.internal.cache.InitialImageOperation.slowImageProcessing = pause;
            }
        });
        // now do the get initial image in vm1
        AsyncInvocation async1 = vm1.invokeAsync(create);
        // try to time a distributed clear to happen in the middle of gii
        vm0.invoke(new SerializableRunnable("call clear when gii") {

            public void run() {
                try {
                    Thread.sleep(3 * 1000);
                } catch (InterruptedException ex) {
                    fail("interrupted");
                }
                mirroredRegion.clear();
                assertEquals(0, mirroredRegion.size());
            }
        });
        ThreadUtils.join(async1, 30 * 1000);
        if (async1.exceptionOccurred()) {
            Assert.fail("async1 failed", async1.getException());
        }
        SerializableRunnable validate = new CacheSerializableRunnable("validate for region size") {

            public void run2() throws CacheException {
                assertEquals(0, mirroredRegion.size());
            }
        };
        vm0.invoke(validate);
        vm1.invoke(validate);
    }
}

Example 50 with SerializableRunnable

use of org.apache.geode.test.dunit.SerializableRunnable in project geode by apache.

the class DiskRegionDUnitTest method testDistributedInvalidate.

/**
   * Tests that invalidates and updates received from different VMs are handled appropriately by
   * overflow regions.
   */
@Test
public void testDistributedInvalidate() throws Exception {
    final String name = this.getUniqueName();
    SerializableRunnable create = new CacheSerializableRunnable("Create region") {

        public void run2() throws CacheException {
            AttributesFactory factory = new AttributesFactory();
            factory.setScope(Scope.DISTRIBUTED_ACK);
            factory.setEarlyAck(false);
            factory.setEvictionAttributes(EvictionAttributes.createLRUEntryAttributes(100, EvictionAction.OVERFLOW_TO_DISK));
            File d = new File("DiskRegions" + OSProcess.getId());
            d.mkdirs();
            DiskStoreFactory dsf = getCache().createDiskStoreFactory();
            dsf.setDiskDirs(new File[] { d });
            DiskStore ds = dsf.create(name);
            factory.setDiskStoreName(ds.getName());
            createRegion(name, factory.create());
        }
    };
    Host host = Host.getHost(0);
    VM vm0 = host.getVM(0);
    VM vm1 = host.getVM(1);
    vm0.invoke(create);
    vm1.invoke(create);
    vm0.invoke(new CacheSerializableRunnable("Fill Region") {

        public void run2() throws CacheException {
            LocalRegion region = (LocalRegion) getRootRegion().getSubregion(name);
            // DiskRegion dr = region.getDiskRegion();
            LRUStatistics lruStats = getLRUStats(region);
            for (int i = 0; lruStats.getEvictions() < 10; i++) {
                LogWriterUtils.getLogWriter().info("Put " + i);
                region.put(new Integer(i), new byte[1]);
            }
            assertEquals(10, lruStats.getEvictions());
        }
    });
    final Object key = new Integer(20);
    vm1.invoke(new CacheSerializableRunnable("Invalidate entry") {

        public void run2() throws CacheException {
            Region region = getRootRegion().getSubregion(name);
            assertNotNull(region.get(key));
            region.invalidate(key);
        }
    });
    vm0.invoke(new CacheSerializableRunnable("Verify invalidate") {

        public void run2() throws CacheException {
            final Region region = getRootRegion().getSubregion(name);
            WaitCriterion ev = new WaitCriterion() {

                public boolean done() {
                    return region.get(key) == null;
                }

                public String description() {
                    return "value for key remains: " + key;
                }
            };
            Wait.waitForCriterion(ev, 500, 200, true);
        }
    });
    final String newValue = "NEW VALUE";
    vm1.invoke(new CacheSerializableRunnable("Update entry") {

        public void run2() throws CacheException {
            Region region = getRootRegion().getSubregion(name);
            region.put(key, newValue);
        }
    });
    vm0.invoke(new CacheSerializableRunnable("Verify update") {

        public void run2() throws CacheException {
            final Region region = getRootRegion().getSubregion(name);
            WaitCriterion ev = new WaitCriterion() {

                public boolean done() {
                    return newValue.equals(region.get(key));
                }

                public String description() {
                    return "verify update";
                }
            };
            Wait.waitForCriterion(ev, 500, 200, true);
        }
    });
}