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

Example 21 with SerializableCallable

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

the class PdxQueryDUnitTest method testLocalMapInPeerTypePdxRegistry.

/**
   * In PeerTypeRegistration when a PdxType is updated, a local map of class => PdxTypes is
   * populated. This map is used to search a field for a class in different versions (PdxTypes) This
   * test verifies that the map is being updated by the cacheListener
   *
   * @throws CacheException
   */
@Test
public void testLocalMapInPeerTypePdxRegistry() throws CacheException {
    final Host host = Host.getHost(0);
    final VM vm0 = host.getVM(0);
    final VM vm1 = host.getVM(1);
    final VM vm2 = host.getVM(2);
    final VM vm3 = host.getVM(3);
    final int numberOfEntries = 10;
    final String name = "/" + regionName;
    final String[] qs = { "select * from " + name + " where pdxStatus = 'active'", "select pdxStatus from " + name + " where id > 4" };
    // Start server1
    final int port1 = (Integer) vm0.invoke(new SerializableCallable("Create Server1") {

        @Override
        public Object call() throws Exception {
            Region r1 = getCache().createRegionFactory(RegionShortcut.REPLICATE).create(regionName);
            CacheServer server = getCache().addCacheServer();
            int port = AvailablePortHelper.getRandomAvailablePortForDUnitSite();
            server.setPort(port);
            server.start();
            return port;
        }
    });
    // Start server2
    final int port2 = (Integer) vm1.invoke(new SerializableCallable("Create Server2") {

        @Override
        public Object call() throws Exception {
            Region r1 = getCache().createRegionFactory(RegionShortcut.REPLICATE).create(regionName);
            CacheServer server = getCache().addCacheServer();
            int port = AvailablePortHelper.getRandomAvailablePortForDUnitSite();
            server.setPort(port);
            server.start();
            return port;
        }
    });
    // client1 loads version 1 objects on server1
    vm2.invoke(new SerializableCallable("Create client") {

        @Override
        public Object call() throws Exception {
            ClientCacheFactory cf = new ClientCacheFactory();
            cf.addPoolServer(NetworkUtils.getServerHostName(vm0.getHost()), port1);
            ClientCache cache = getClientCache(cf);
            Region region = cache.createClientRegionFactory(ClientRegionShortcut.PROXY).create(regionName);
            // Load version 1 objects
            for (int i = 0; i < numberOfEntries; i++) {
                PdxInstanceFactory pdxInstanceFactory = PdxInstanceFactoryImpl.newCreator("PdxVersionedNewPortfolio", false);
                pdxInstanceFactory.writeInt("id", i);
                pdxInstanceFactory.writeString("pdxStatus", (i % 2 == 0 ? "active" : "inactive"));
                PdxInstance pdxInstance = pdxInstanceFactory.create();
                region.put("key-" + i, pdxInstance);
            }
            return null;
        }
    });
    // client 2 loads version 2 objects on server2
    vm3.invoke(new SerializableCallable("Create client") {

        @Override
        public Object call() throws Exception {
            ClientCacheFactory cf = new ClientCacheFactory();
            cf.addPoolServer(NetworkUtils.getServerHostName(vm1.getHost()), port2);
            ClientCache cache = getClientCache(cf);
            Region region = cache.createClientRegionFactory(ClientRegionShortcut.PROXY).create(regionName);
            // Load version 2 objects
            for (int i = numberOfEntries; i < numberOfEntries * 2; i++) {
                PdxInstanceFactory pdxInstanceFactory = PdxInstanceFactoryImpl.newCreator("PdxVersionedNewPortfolio", false);
                pdxInstanceFactory.writeInt("id", i);
                pdxInstanceFactory.writeString("status", (i % 2 == 0 ? "active" : "inactive"));
                PdxInstance pdxInstance = pdxInstanceFactory.create();
                region.put("key-" + i, pdxInstance);
            }
            return null;
        }
    });
    // on server 1 verify local map in PeerTypeRegistration has fields
    vm0.invoke(new SerializableCallable("Create client") {

        @Override
        public Object call() throws Exception {
            TypeRegistration registration = GemFireCacheImpl.getForPdx("PDX registry is unavailable because the Cache has been closed.").getPdxRegistry().getTypeRegistration();
            Assert.assertTrue(registration instanceof PeerTypeRegistration);
            Map<String, Set<PdxType>> m = ((PeerTypeRegistration) registration).getClassToType();
            assertEquals(1, m.size());
            assertEquals("PdxVersionedNewPortfolio", m.keySet().iterator().next());
            assertEquals(2, m.values().iterator().next().size());
            for (PdxType p : m.values().iterator().next()) {
                assertEquals("PdxVersionedNewPortfolio", p.getClassName());
            }
            return null;
        }
    });
    // on server 2 verify local map in PeerTypeRegistration has fields
    vm1.invoke(new SerializableCallable("Create client") {

        @Override
        public Object call() throws Exception {
            TypeRegistration registration = GemFireCacheImpl.getForPdx("PDX registry is unavailable because the Cache has been closed.").getPdxRegistry().getTypeRegistration();
            Assert.assertTrue(registration instanceof PeerTypeRegistration);
            Map<String, Set<PdxType>> m = ((PeerTypeRegistration) registration).getClassToType();
            assertEquals(1, m.size());
            assertEquals("PdxVersionedNewPortfolio", m.keySet().iterator().next());
            assertEquals(2, m.values().iterator().next().size());
            for (PdxType p : m.values().iterator().next()) {
                assertEquals("PdxVersionedNewPortfolio", p.getClassName());
            }
            return null;
        }
    });
    Invoke.invokeInEveryVM(DistributedTestCase.class, "disconnectFromDS");
}

Example 22 with SerializableCallable

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

the class PdxQueryDUnitTest method testClientForFieldInOtherVersion.

/**
   * 2 servers(replicated) and 2 clients. client2 puts version1 and version2 objects on server1
   * client1 had registered interest to server2, hence gets the pdx objects for both versions Test
   * local query on client1 Test if client1 fetched pdxtypes from server
   * 
   * @throws CacheException
   */
@Test
public void testClientForFieldInOtherVersion() throws CacheException {
    final Host host = Host.getHost(0);
    final VM vm0 = host.getVM(0);
    final VM vm1 = host.getVM(1);
    final VM vm2 = host.getVM(2);
    final VM vm3 = host.getVM(3);
    final int numberOfEntries = 10;
    final String name = "/" + regionName;
    final String[] qs = { "select pdxStatus from " + name + " where pdxStatus = 'active'", "select status from " + name + " where id > 8 and id < 14" };
    // Start server1
    final int port1 = (Integer) vm0.invoke(new SerializableCallable("Create Server1") {

        @Override
        public Object call() throws Exception {
            Region r1 = getCache().createRegionFactory(RegionShortcut.REPLICATE).create(regionName);
            CacheServer server = getCache().addCacheServer();
            int port = AvailablePortHelper.getRandomAvailablePortForDUnitSite();
            server.setPort(port);
            server.start();
            return port;
        }
    });
    // Start server2
    final int port2 = (Integer) vm1.invoke(new SerializableCallable("Create Server2") {

        @Override
        public Object call() throws Exception {
            Region r1 = getCache().createRegionFactory(RegionShortcut.REPLICATE).create(regionName);
            CacheServer server = getCache().addCacheServer();
            int port = AvailablePortHelper.getRandomAvailablePortForDUnitSite();
            server.setPort(port);
            server.start();
            return port;
        }
    });
    // client 1 registers interest for server2
    vm2.invoke(new SerializableCallable("Create client") {

        @Override
        public Object call() throws Exception {
            ClientCacheFactory cf = new ClientCacheFactory();
            cf.setPoolSubscriptionEnabled(true);
            cf.addPoolServer(NetworkUtils.getServerHostName(vm1.getHost()), port2);
            ClientCache cache = getClientCache(cf);
            Region region = cache.createClientRegionFactory(ClientRegionShortcut.CACHING_PROXY).create(regionName);
            region.registerInterest("ALL_KEYS");
            return null;
        }
    });
    // client2 loads both version objects on server1
    vm3.invoke(new SerializableCallable("Create client") {

        @Override
        public Object call() throws Exception {
            ClientCacheFactory cf = new ClientCacheFactory();
            cf.addPoolServer(NetworkUtils.getServerHostName(vm0.getHost()), port1);
            ClientCache cache = getClientCache(cf);
            Region region = cache.createClientRegionFactory(ClientRegionShortcut.PROXY).create(regionName);
            // Load version 1 objects
            for (int i = 0; i < numberOfEntries; i++) {
                PdxInstanceFactory pdxFactory = cache.createPdxInstanceFactory("PdxPortfolio");
                pdxFactory.writeString("pdxStatus", (i % 2 == 0 ? "active" : "inactive"));
                pdxFactory.writeInt("id", i);
                PdxInstance pdxInstance = pdxFactory.create();
                region.put("key-" + i, pdxInstance);
            }
            ;
            // Load version 2 objects
            for (int i = numberOfEntries; i < numberOfEntries * 2; i++) {
                PdxInstanceFactory pdxFactory = cache.createPdxInstanceFactory("PdxPortfolio");
                pdxFactory.writeString("status", i % 2 == 0 ? "active" : "inactive");
                pdxFactory.writeInt("id", i);
                PdxInstance pdxInstance = pdxFactory.create();
                region.put("key-" + i, pdxInstance);
            }
            return null;
        }
    });
    // query locally on client 1 which has registered interest
    vm2.invoke(new SerializableCallable("Create client") {

        @Override
        public Object call() throws Exception {
            GemFireCacheImpl cache = (GemFireCacheImpl) getCache();
            cache.setReadSerialized(true);
            QueryService localQueryService = null;
            // Execute query remotely
            try {
                localQueryService = ((ClientCache) getCache()).getLocalQueryService();
            } catch (Exception e) {
                Assert.fail("Failed to get QueryService.", e);
            }
            for (int i = 0; i < qs.length; i++) {
                try {
                    SelectResults sr = (SelectResults) localQueryService.newQuery(qs[i]).execute();
                    assertEquals(5, sr.size());
                    if (i == 1) {
                        for (Object o : sr) {
                            if (o == null) {
                            } else if (o instanceof String) {
                            } else {
                                fail("Result should be either null or String and not " + o.getClass());
                            }
                        }
                    }
                } catch (Exception e) {
                    Assert.fail("Failed executing " + qs[i], e);
                }
            }
            // check if the types registered on server are fetched by the client
            TypeRegistration registration = GemFireCacheImpl.getForPdx("PDX registry is unavailable because the Cache has been closed.").getPdxRegistry().getTypeRegistration();
            Assert.assertTrue(registration instanceof ClientTypeRegistration);
            Map<Integer, PdxType> m = ((ClientTypeRegistration) registration).types();
            assertEquals(2, m.size());
            for (PdxType type : m.values()) {
                assertEquals("PdxPortfolio", type.getClassName());
            }
            return null;
        }
    });
    Invoke.invokeInEveryVM("Disconnecting from the Distributed system", () -> disconnectFromDS());
}

Example 23 with SerializableCallable

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

the class PdxQueryDUnitTest method testPdxInstanceFieldInOtherVersion.

/**
   * Test to query a field that is not present in the Pdx object but is present in some other
   * version of the pdx instance
   * 
   * @throws CacheException
   */
@Test
public void testPdxInstanceFieldInOtherVersion() throws CacheException {
    final Host host = Host.getHost(0);
    final VM vm0 = host.getVM(0);
    final VM vm1 = host.getVM(1);
    final VM vm2 = host.getVM(2);
    final VM vm3 = host.getVM(3);
    final int numberOfEntries = 10;
    final String name = "/" + regionName;
    final String[] qs = { "select pdxStatus from " + name + " where pdxStatus = 'active'", "select pdxStatus from " + name + " where id > 8 and id < 14" };
    // Start server1
    final int port1 = (Integer) vm0.invoke(new SerializableCallable("Create Server1") {

        @Override
        public Object call() throws Exception {
            Region r1 = getCache().createRegionFactory(RegionShortcut.REPLICATE).create(regionName);
            CacheServer server = getCache().addCacheServer();
            int port = AvailablePortHelper.getRandomAvailablePortForDUnitSite();
            server.setPort(port);
            server.start();
            return port;
        }
    });
    // Start server2
    final int port2 = (Integer) vm1.invoke(new SerializableCallable("Create Server2") {

        @Override
        public Object call() throws Exception {
            Region r1 = getCache().createRegionFactory(RegionShortcut.REPLICATE).create(regionName);
            CacheServer server = getCache().addCacheServer();
            int port = AvailablePortHelper.getRandomAvailablePortForDUnitSite();
            server.setPort(port);
            server.start();
            return port;
        }
    });
    // client1 loads version 1 objects on server1
    vm2.invoke(new SerializableCallable("Create client") {

        @Override
        public Object call() throws Exception {
            ClientCacheFactory cf = new ClientCacheFactory();
            cf.addPoolServer(NetworkUtils.getServerHostName(vm0.getHost()), port1);
            ClientCache cache = getClientCache(cf);
            Region region = cache.createClientRegionFactory(ClientRegionShortcut.PROXY).create(regionName);
            // Load version 1 objects
            for (int i = 0; i < numberOfEntries; i++) {
                PdxInstanceFactory pdxInstanceFactory = PdxInstanceFactoryImpl.newCreator("PdxVersionedNewPortfolio", false);
                pdxInstanceFactory.writeInt("id", i);
                pdxInstanceFactory.writeString("pdxStatus", (i % 2 == 0 ? "active" : "inactive"));
                PdxInstance pdxInstance = pdxInstanceFactory.create();
                region.put("key-" + i, pdxInstance);
            }
            return null;
        }
    });
    // client 2 loads version 2 objects on server2
    vm3.invoke(new SerializableCallable("Create client") {

        @Override
        public Object call() throws Exception {
            ClientCacheFactory cf = new ClientCacheFactory();
            cf.addPoolServer(NetworkUtils.getServerHostName(vm1.getHost()), port2);
            ClientCache cache = getClientCache(cf);
            Region region = cache.createClientRegionFactory(ClientRegionShortcut.PROXY).create(regionName);
            // Load version 2 objects
            for (int i = numberOfEntries; i < numberOfEntries * 2; i++) {
                PdxInstanceFactory pdxInstanceFactory = PdxInstanceFactoryImpl.newCreator("PdxVersionedNewPortfolio", false);
                pdxInstanceFactory.writeInt("id", i);
                pdxInstanceFactory.writeString("status", (i % 2 == 0 ? "active" : "inactive"));
                PdxInstance pdxInstance = pdxInstanceFactory.create();
                region.put("key-" + i, pdxInstance);
            }
            return null;
        }
    });
    // query remotely from client 1 with version 1 in classpath
    vm2.invoke(new SerializableCallable("Create client") {

        @Override
        public Object call() throws Exception {
            QueryService remoteQueryService = null;
            // Execute query remotely
            try {
                remoteQueryService = getCache().getQueryService();
            } catch (Exception e) {
                Assert.fail("Failed to get QueryService.", e);
            }
            for (int i = 0; i < qs.length; i++) {
                try {
                    SelectResults sr = (SelectResults) remoteQueryService.newQuery(qs[i]).execute();
                    assertEquals(5, sr.size());
                    if (i == 1) {
                        for (Object o : sr) {
                            if (o == null) {
                            } else if (o instanceof String) {
                            } else {
                                fail("Result should be either null or String and not " + o.getClass());
                            }
                        }
                    }
                } catch (Exception e) {
                    Assert.fail("Failed executing " + qs[i], e);
                }
            }
            return null;
        }
    });
    // query remotely from client 2 with version 2 in classpath
    vm3.invoke(new SerializableCallable("Create client") {

        @Override
        public Object call() throws Exception {
            QueryService remoteQueryService = null;
            // Execute query remotely
            try {
                remoteQueryService = getCache().getQueryService();
            } catch (Exception e) {
                Assert.fail("Failed to get QueryService.", e);
            }
            for (int i = 0; i < qs.length; i++) {
                try {
                    SelectResults sr = (SelectResults) remoteQueryService.newQuery(qs[i]).execute();
                    assertEquals(5, sr.size());
                    if (i == 1) {
                        for (Object o : sr) {
                            if (o == null) {
                            } else if (o instanceof String) {
                            } else {
                                fail("Result should be either null or String and not " + o.getClass());
                            }
                        }
                    }
                } catch (Exception e) {
                    Assert.fail("Failed executing " + qs[i], e);
                }
            }
            return null;
        }
    });
    // query locally on server
    vm0.invoke(new SerializableCallable("Create client") {

        @Override
        public Object call() throws Exception {
            GemFireCacheImpl cache = (GemFireCacheImpl) getCache();
            cache.setReadSerialized(true);
            QueryService queryService = null;
            try {
                queryService = getCache().getQueryService();
            } catch (Exception e) {
                Assert.fail("Failed to get QueryService.", e);
            }
            for (int i = 0; i < qs.length; i++) {
                try {
                    SelectResults sr = (SelectResults) queryService.newQuery(qs[i]).execute();
                    assertEquals(5, sr.size());
                    if (i == 1) {
                        for (Object o : sr) {
                            if (o == null) {
                            } else if (o instanceof String) {
                            } else {
                                fail("Result should be either null or String and not " + o.getClass());
                            }
                        }
                    }
                } catch (Exception e) {
                    Assert.fail("Failed executing " + qs[i], e);
                }
            }
            return null;
        }
    });
    // create index
    vm0.invoke(new SerializableCallable("Query") {

        @Override
        public Object call() throws Exception {
            QueryService qs = null;
            try {
                qs = getCache().getQueryService();
                qs.createIndex("status", "status", name);
            } catch (Exception e) {
                Assert.fail("Exception getting query service ", e);
            }
            return null;
        }
    });
    // query from client 1 with version 1 in classpath
    vm2.invoke(new SerializableCallable("Create client") {

        @Override
        public Object call() throws Exception {
            QueryService remoteQueryService = null;
            // Execute query remotely
            try {
                remoteQueryService = getCache().getQueryService();
            } catch (Exception e) {
                Assert.fail("Failed to get QueryService.", e);
            }
            for (int i = 0; i < qs.length; i++) {
                try {
                    SelectResults sr = (SelectResults) remoteQueryService.newQuery(qs[i]).execute();
                    assertEquals(5, sr.size());
                } catch (Exception e) {
                    Assert.fail("Failed executing " + qs[i], e);
                }
            }
            return null;
        }
    });
    Invoke.invokeInEveryVM(DistributedTestCase.class, "disconnectFromDS");
}

Example 24 with SerializableCallable

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

the class PdxLocalQueryDUnitTest method testLocalPdxQueriesVerifyNoDeserialization.

@Test
public void testLocalPdxQueriesVerifyNoDeserialization() throws Exception {
    final Host host = Host.getHost(0);
    final VM server1 = host.getVM(0);
    final VM server2 = host.getVM(1);
    final int numberOfEntries = 10;
    final String name = "/" + regionName;
    final String[] queries = { "select * from " + name + " where status = 'inactive'", "select p from " + name + " p where p.status = 'inactive'", "select * from " + name + " p, p.positions.values v where v.secId = 'IBM'", "select p.status from " + name + " p where p.status = 'inactive' or p.ID > 0", "select * from " + name + " p where p.status = 'inactive' and p.ID >= 0", "select p.status from " + name + " p where p.status in set ('inactive', 'active')", "select * from " + name + " p where p.ID > 0 and p.ID < 10" };
    // Start server1
    server1.invoke(new SerializableCallable("Create Server1") {

        @Override
        public Object call() throws Exception {
            Region r1 = getCache().createRegionFactory(RegionShortcut.REPLICATE).create(regionName);
            for (int i = 0; i < numberOfEntries; i++) {
                PortfolioPdx p = new PortfolioPdx(i);
                r1.put("key-" + i, p);
            }
            return null;
        }
    });
    // Start server2
    server2.invoke(new SerializableCallable("Create Server2") {

        @Override
        public Object call() throws Exception {
            Region r1 = getCache().createRegionFactory(RegionShortcut.REPLICATE).create(regionName);
            QueryService qs = null;
            SelectResults sr = null;
            // Execute query locally
            try {
                qs = getCache().getQueryService();
            } catch (Exception e) {
                Assert.fail("Failed to get QueryService.", e);
            }
            for (int i = 0; i < queries.length; i++) {
                try {
                    sr = (SelectResults) qs.newQuery(queries[i]).execute();
                    assertTrue("Size of resultset should be greater than 0 for query: " + queries[i], sr.size() > 0);
                } catch (Exception e) {
                    Assert.fail("Failed executing query " + queries[i], e);
                }
            }
            assertEquals("Unexpected number of objects deserialized ", 0, PortfolioPdx.numInstance);
            return null;
        }
    });
    this.closeClient(server1);
    this.closeClient(server2);
}

Example 25 with SerializableCallable

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

the class PdxLocalQueryDUnitTest method testLocalPdxQueriesReadSerialized.

@Test
public void testLocalPdxQueriesReadSerialized() throws Exception {
    final Host host = Host.getHost(0);
    final VM server1 = host.getVM(0);
    final VM server2 = host.getVM(1);
    final int numberOfEntries = 10;
    final String name = "/" + regionName;
    final String[] queries = { "select * from " + name + " where position1 = $1", "select * from " + name + " where aDay = $1", "select * from " + name + " where status = 'inactive'", "select distinct * from " + name + " where status = 'inactive'", "select p from " + name + " p where p.status = 'inactive'", "select * from " + name + " p, p.positions.values v where v.secId = 'IBM'", "select * from " + name + " p where p.status = 'inactive' or p.ID > 0", "select * from " + name + " p where p.status = 'inactive' and p.ID >= 0", "select * from " + name + " p where p.status in set ('inactive', 'active')", "select * from " + name + " p where p.ID > 0 and p.ID < 10" };
    // Start server1
    server1.invoke(new SerializableCallable("Create Server1") {

        @Override
        public Object call() throws Exception {
            Region r1 = getCache().createRegionFactory(RegionShortcut.REPLICATE).create(regionName);
            for (int i = 0; i < numberOfEntries; i++) {
                PortfolioPdx p = new PortfolioPdx(i);
                r1.put("key-" + i, p);
            }
            return null;
        }
    });
    // Start server2
    server2.invoke(new SerializableCallable("Create Server2") {

        @Override
        public Object call() throws Exception {
            ((GemFireCacheImpl) getCache()).setReadSerialized(true);
            Region r1 = getCache().createRegionFactory(RegionShortcut.REPLICATE).create(regionName);
            QueryService qs = null;
            SelectResults sr = null;
            // Execute query locally
            try {
                qs = getCache().getQueryService();
            } catch (Exception e) {
                Assert.fail("Failed to get QueryService.", e);
            }
            PositionPdx pos = new PositionPdx("IBM", 100);
            PdxInstanceFactory out = PdxInstanceFactoryImpl.newCreator("org.apache.geode.cache.query.data.PositionPdx", false);
            out.writeLong("avg20DaysVol", 0);
            out.writeString("bondRating", "");
            out.writeDouble("convRatio", 0);
            out.writeString("country", "");
            out.writeDouble("delta", 0);
            out.writeLong("industry", 0);
            out.writeLong("issuer", 0);
            out.writeDouble("mktValue", pos.getMktValue());
            out.writeDouble("qty", 0);
            out.writeString("secId", pos.secId);
            out.writeString("secIdIndexed", pos.secIdIndexed);
            out.writeString("secLinks", "");
            out.writeDouble("sharesOutstanding", pos.getSharesOutstanding());
            out.writeString("underlyer", "");
            out.writeLong("volatility", 0);
            out.writeInt("pid", pos.getPid());
            out.writeInt("portfolioId", 0);
            out.markIdentityField("secId");
            PdxInstance pi = out.create();
            PortfolioPdx.Day pDay = new PortfolioPdx(1).aDay;
            PdxInstanceEnum pdxEnum = new PdxInstanceEnum(pDay);
            for (int i = 0; i < queries.length; i++) {
                try {
                    if (i == 0) {
                        sr = (SelectResults) qs.newQuery(queries[i]).execute(new Object[] { pi });
                    } else if (i == 1) {
                        sr = (SelectResults) qs.newQuery(queries[i]).execute(new Object[] { pdxEnum });
                    } else {
                        sr = (SelectResults) qs.newQuery(queries[i]).execute();
                    }
                    assertTrue("Size of resultset should be greater than 0 for query: " + queries[i], sr.size() > 0);
                    for (Object result : sr) {
                        if (result instanceof Struct) {
                            Object[] r = ((Struct) result).getFieldValues();
                            for (int j = 0; j < r.length; j++) {
                                if (!(r[j] instanceof PdxInstance)) {
                                    fail("Result object should be a PdxInstance  and not an instance of " + r[j].getClass() + " for query: " + queries[i]);
                                }
                            }
                        } else if (!(result instanceof PdxInstance)) {
                            fail("Result object should be a PdxInstance  and not an instance of " + result.getClass() + " for query: " + queries[i]);
                        }
                    }
                } catch (Exception e) {
                    Assert.fail("Failed executing query " + queries[i], e);
                }
            }
            return null;
        }
    });
    this.closeClient(server1);
    this.closeClient(server2);
}