Examples with FieldSerializer com.esotericsoftware.kryo.serializers.FieldSerializer used on opensource projects

Example 1 with FieldSerializer

use of com.esotericsoftware.kryo.serializers.FieldSerializer in project apex-malhar by apache.

the class HiveMockTest method testHDFSHiveCheckpoint.

@Test
public void testHDFSHiveCheckpoint() throws SQLException, TException {
    hiveInitializeDatabase(createStore(null));
    HiveStore hiveStore = createStore(null);
    hiveStore.setFilepath(testdir);
    HiveOperator outputOperator = new HiveOperator();
    HiveOperator newOp;
    outputOperator.setStore(hiveStore);
    ArrayList<String> hivePartitionColumns = new ArrayList<String>();
    hivePartitionColumns.add("dt");
    FSRollingTestImpl fsRolling = new FSRollingTestImpl();
    hiveInitializeDatabase(createStore(null));
    outputOperator.setHivePartitionColumns(hivePartitionColumns);
    outputOperator.setTablename(tablename);
    fsRolling.setFilePath(testdir);
    short persmission = 511;
    fsRolling.setFilePermission(persmission);
    fsRolling.setAlwaysWriteToTmp(false);
    fsRolling.setMaxLength(128);
    AttributeMap.DefaultAttributeMap attributeMap = new AttributeMap.DefaultAttributeMap();
    attributeMap.put(OperatorContext.PROCESSING_MODE, ProcessingMode.AT_LEAST_ONCE);
    attributeMap.put(OperatorContext.ACTIVATION_WINDOW_ID, -1L);
    attributeMap.put(DAG.APPLICATION_ID, APP_ID);
    OperatorContext context = mockOperatorContext(OPERATOR_ID, attributeMap);
    fsRolling.setup(context);
    FilePartitionMapping mapping1 = new FilePartitionMapping();
    FilePartitionMapping mapping2 = new FilePartitionMapping();
    FilePartitionMapping mapping3 = new FilePartitionMapping();
    outputOperator.setup(context);
    mapping1.setFilename(APP_ID + "/" + OPERATOR_ID + "/" + "2014-12-10" + "/" + "0-transaction.out.part.0");
    ArrayList<String> partitions1 = new ArrayList<String>();
    partitions1.add("2014-12-10");
    mapping1.setPartition(partitions1);
    mapping2.setFilename(APP_ID + "/" + OPERATOR_ID + "/" + "2014-12-11" + "/" + "0-transaction.out.part.0");
    ArrayList<String> partitions2 = new ArrayList<String>();
    partitions2.add("2014-12-11");
    mapping2.setPartition(partitions2);
    ArrayList<String> partitions3 = new ArrayList<String>();
    partitions3.add("2014-12-12");
    mapping3.setFilename(APP_ID + "/" + OPERATOR_ID + "/" + "2014-12-12" + "/" + "0-transaction.out.part.0");
    mapping3.setPartition(partitions3);
    for (int wid = 0, total = 0; wid < NUM_WINDOWS; wid++) {
        fsRolling.beginWindow(wid);
        for (int tupleCounter = 0; tupleCounter < BLAST_SIZE && total < DATABASE_SIZE; tupleCounter++, total++) {
            fsRolling.input.process("2014-12-1" + tupleCounter);
        }
        if (wid == 7) {
            fsRolling.committed(wid - 1);
            outputOperator.processTuple(mapping1);
            outputOperator.processTuple(mapping2);
        }
        fsRolling.endWindow();
        if ((wid == 6) || (wid == 9)) {
            fsRolling.beforeCheckpoint(wid);
            fsRolling.checkpointed(wid);
        }
        if (wid == 9) {
            Kryo kryo = new Kryo();
            FieldSerializer<HiveOperator> f1 = (FieldSerializer<HiveOperator>) kryo.getSerializer(HiveOperator.class);
            FieldSerializer<HiveStore> f2 = (FieldSerializer<HiveStore>) kryo.getSerializer(HiveStore.class);
            f1.setCopyTransient(false);
            f2.setCopyTransient(false);
            newOp = kryo.copy(outputOperator);
            outputOperator.teardown();
            newOp.setup(context);
            newOp.beginWindow(7);
            newOp.processTuple(mapping3);
            newOp.endWindow();
            newOp.teardown();
            break;
        }
    }
    hiveStore.connect();
    client.execute("select * from " + tablename + " where dt='2014-12-10'");
    List<String> recordsInDatePartition1 = client.fetchAll();
    client.execute("select * from " + tablename + " where dt='2014-12-11'");
    List<String> recordsInDatePartition2 = client.fetchAll();
    client.execute("select * from " + tablename + " where dt='2014-12-12'");
    List<String> recordsInDatePartition3 = client.fetchAll();
    client.execute("drop table " + tablename);
    hiveStore.disconnect();
    Assert.assertEquals(7, recordsInDatePartition1.size());
    for (int i = 0; i < recordsInDatePartition1.size(); i++) {
        LOG.debug("records in first date partition are {}", recordsInDatePartition1.get(i));
        /*An array containing partition and data is returned as a string record, hence we need to upcast it to an object first
       and then downcast to a string in order to use in Assert.*/
        Object record = recordsInDatePartition1.get(i);
        Object[] records = (Object[]) record;
        Assert.assertEquals("2014-12-10", records[1]);
    }
    Assert.assertEquals(7, recordsInDatePartition2.size());
    for (int i = 0; i < recordsInDatePartition2.size(); i++) {
        LOG.debug("records in second date partition are {}", recordsInDatePartition2.get(i));
        Object record = recordsInDatePartition2.get(i);
        Object[] records = (Object[]) record;
        Assert.assertEquals("2014-12-11", records[1]);
    }
    Assert.assertEquals(10, recordsInDatePartition3.size());
    for (int i = 0; i < recordsInDatePartition3.size(); i++) {
        LOG.debug("records in second date partition are {}", recordsInDatePartition3.get(i));
        Object record = recordsInDatePartition3.get(i);
        Object[] records = (Object[]) record;
        Assert.assertEquals("2014-12-12", records[1]);
    }
}

Example 2 with FieldSerializer

use of com.esotericsoftware.kryo.serializers.FieldSerializer in project Dempsy by Dempsy.

the class TestDefaultSerializer method testChildClassSerializationWithRegistrationAndOptimization.

@Test
public void testChildClassSerializationWithRegistrationAndOptimization() throws Throwable {
    KryoSerializer<Object> ser = new KryoSerializer<Object>(defaultMock3Optimizer);
    JavaSerializer<Object> serJ = new JavaSerializer<Object>();
    KryoSerializer<Object> serR = new KryoSerializer<Object>(defaultMock3Optimizer, new Registration(MockClass.class.getName(), 10));
    KryoSerializer<Object> serRR = new KryoSerializer<Object>(defaultMock3Optimizer, new Registration(MockClass.class.getName(), 10), new Registration(Mock3.class.getName(), 11));
    KryoSerializer<Object> serRROb = new KryoSerializer<Object>(defaultMock3Optimizer, new Registration(MockClass.class.getName()), new Registration(Mock3.class.getName()));
    KryoSerializer<Object> serRRO = new KryoSerializer<Object>(new Registration(MockClass.class.getName(), 10), new Registration(Mock3.class.getName(), 11), new Registration(UUID.class.getName(), 12));
    serRRO.setKryoOptimizer(new KryoOptimizer() {

        @Override
        public void preRegister(Kryo kryo) {
            kryo.setRegistrationRequired(true);
            @SuppressWarnings("unchecked") FieldSerializer<MockClass> mockClassSer = (FieldSerializer<MockClass>) kryo.getSerializer(MockClass.class);
            mockClassSer.setFieldsCanBeNull(false);
            @SuppressWarnings("unchecked") FieldSerializer<Mock2> mock2Ser = (FieldSerializer<Mock2>) kryo.getSerializer(MockClass.class);
            mock2Ser.setFixedFieldTypes(true);
            mock2Ser.setFieldsCanBeNull(false);
        }

        @Override
        public void postRegister(Kryo kryo) {
            com.esotericsoftware.kryo.Registration reg = kryo.getRegistration(UUID.class);
            reg.setSerializer(uuidSerializer);
        }
    });
    Mock2 o = new Mock3(1, new MockClass(2, "Hello"));
    byte[] data = ser.serialize(o);
    byte[] dataJ = serJ.serialize(o);
    byte[] dataR = serR.serialize(o);
    byte[] dataRR = serRR.serialize(o);
    byte[] dataRROb = serRROb.serialize(o);
    byte[] dataRRO = serRRO.serialize(o);
    assertTrue(dataJ.length > data.length);
    assertTrue(dataR.length < data.length);
    assertTrue(dataRR.length < dataR.length);
    assertTrue(dataRROb.length == dataRR.length);
    assertTrue(dataRRO.length <= dataRR.length);
    Mock2 o2 = (Mock2) ser.deserialize(data);
    assertEquals(1, o2.getInt());
    assertEquals(new MockClass(2, "Hello"), o2.getMockClass());
    assertTrue(o2 instanceof Mock3);
    assertEquals(1, ((Mock3) o2).myI);
    assertEquals(o, serR.deserialize(dataR));
    assertEquals(o, serRR.deserialize(dataRR));
    assertEquals(o, serRRO.deserialize(dataRRO));
}

Example 3 with FieldSerializer

use of com.esotericsoftware.kryo.serializers.FieldSerializer in project hive by apache.

the class SerializationUtilities method removeField.

private static void removeField(Kryo kryo, Class type, String fieldName) {
    FieldSerializer fld = new FieldSerializer(kryo, type);
    fld.removeField(fieldName);
    kryo.register(type, fld);
}