com.alibaba.otter.canal.store.model.Event Java Examples

The following examples show how to use com.alibaba.otter.canal.store.model.Event. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: CanalEventUtils.java    From canal-1.1.3 with Apache License 2.0 6 votes vote down vote up 
/**
 * 根据entry创建对应的Position对象
 */
public static LogPosition createPosition(Event event) {
    EntryPosition position = new EntryPosition();
    position.setJournalName(event.getJournalName());
    position.setPosition(event.getPosition());
    position.setTimestamp(event.getExecuteTime());
    // add serverId at 2016-06-28
    position.setServerId(event.getServerId());
    // add gtid
    position.setGtid(event.getGtid());

    LogPosition logPosition = new LogPosition();
    logPosition.setPostion(position);
    logPosition.setIdentity(event.getLogIdentity());
    return logPosition;
}
Example #2
Source File: MemoryEventStorePutAndGetTest.java    From canal with Apache License 2.0 6 votes vote down vote up 
@Test
public void testOnePutOneGet() {
    MemoryEventStoreWithBuffer eventStore = new MemoryEventStoreWithBuffer();
    eventStore.start();

    boolean result = eventStore.tryPut(buildEvent("1", 1L, 1L));
    Assert.assertTrue(result);

    Position position = eventStore.getFirstPosition();
    Events<Event> entrys = eventStore.tryGet(position, 1);
    Assert.assertTrue(entrys.getEvents().size() == 1);
    Assert.assertEquals(position, entrys.getPositionRange().getStart());
    Assert.assertEquals(position, entrys.getPositionRange().getEnd());

    eventStore.stop();
}
Example #3
Source File: GroupEventSink.java    From canal with Apache License 2.0 6 votes vote down vote up 
protected boolean doSink(List<Event> events) {
    int size = events.size();
    for (int i = 0; i < events.size(); i++) {
        Event event = events.get(i);
        try {
            barrier.await(event);// 进行timeline的归并调度处理
            if (filterTransactionEntry) {
                super.doSink(Arrays.asList(event));
            } else if (i == size - 1) {
                // 针对事务数据，只有到最后一条数据都通过后，才进行sink操作，保证原子性
                // 同时批量sink，也要保证在最后一条数据释放状态之前写出数据，否则就有并发问题
                return super.doSink(events);
            }
        } catch (InterruptedException e) {
            return false;
        } finally {
            barrier.clear(event);
        }
    }

    return false;
}
Example #4
Source File: DummyEventStore.java    From canal with Apache License 2.0 6 votes vote down vote up 
public boolean tryPut(List<Event> datas) throws CanalStoreException {
    System.out.println("\n>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
    for (Event data : datas) {

        Date date = new Date(data.getExecuteTime());
        SimpleDateFormat format = new SimpleDateFormat(DATE_FORMAT);
        if (data.getEntryType() == EntryType.TRANSACTIONBEGIN || data.getEntryType() == EntryType.TRANSACTIONEND) {
            // System.out.println(MessageFormat.format(messgae, new Object[]
            // { Thread.currentThread().getName(),
            // header.getLogfilename(), header.getLogfileoffset(),
            // format.format(date),
            // data.getEntry().getEntryType(), "" }));
            System.out.println(data.getEntryType());

        } else {
            System.out.println(MessageFormat.format(messgae,
                new Object[] { Thread.currentThread().getName(), data.getJournalName(),
                        String.valueOf(data.getPosition()), format.format(date) }));
        }

    }
    System.out.println("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n");
    return true;
}
Example #5
Source File: MemoryEventStoreMemBatchTest.java    From canal with Apache License 2.0 6 votes vote down vote up 
@Test
public void testOnePutOneGet() {
    MemoryEventStoreWithBuffer eventStore = new MemoryEventStoreWithBuffer();
    eventStore.setBatchMode(BatchMode.MEMSIZE);
    eventStore.start();

    boolean result = eventStore.tryPut(buildEvent("1", 1L, 1L));
    Assert.assertTrue(result);

    Position position = eventStore.getFirstPosition();
    Events<Event> entrys = eventStore.tryGet(position, 1);
    Assert.assertTrue(entrys.getEvents().size() == 1);
    Assert.assertEquals(position, entrys.getPositionRange().getStart());
    Assert.assertEquals(position, entrys.getPositionRange().getEnd());

    eventStore.stop();
}
Example #6
Source File: CanalServerWithEmbedded.java    From canal with Apache License 2.0 6 votes vote down vote up 
/**
 * 根据不同的参数，选择不同的方式获取数据
 */
private Events<Event> getEvents(CanalEventStore eventStore, Position start, int batchSize, Long timeout,
                                TimeUnit unit) {
    if (timeout == null) {
        return eventStore.tryGet(start, batchSize);
    } else {
        try {
            if (timeout <= 0) {
                return eventStore.get(start, batchSize);
            } else {
                return eventStore.get(start, batchSize, timeout, unit);
            }
        } catch (Exception e) {
            throw new CanalServerException(e);
        }
    }
}
Example #7
Source File: MemoryEventStoreWithBuffer.java    From canal with Apache License 2.0 6 votes vote down vote up 
public void put(List<Event> data) throws InterruptedException, CanalStoreException {
    if (data == null || data.isEmpty()) {
        return;
    }

    final ReentrantLock lock = this.lock;
    lock.lockInterruptibly();
    try {
        try {
            while (!checkFreeSlotAt(putSequence.get() + data.size())) { // 检查是否有空位
                notFull.await(); // wait until not full
            }
        } catch (InterruptedException ie) {
            notFull.signal(); // propagate to non-interrupted thread
            throw ie;
        }
        doPut(data);
        if (Thread.interrupted()) {
            throw new InterruptedException();
        }
    } finally {
        lock.unlock();
    }
}
Example #8
Source File: TimelineTransactionBarrier.java    From canal-1.1.3 with Apache License 2.0 6 votes vote down vote up 
protected boolean isPermit(Event event, long state) {
    if (txState.intValue() == 1 && inTransaction.get()) { // 如果处于事务中，直接允许通过。因为事务头已经做过判断
        return true;
    } else if (txState.intValue() == 0) {
        boolean result = super.isPermit(event, state);
        if (result) {
            // 可能第一条送过来的数据不为Begin，需要做判断处理，如果非事务，允许直接通过，比如DDL语句
            if (isTransactionBegin(event)) {
                if (txState.compareAndSet(0, 1)) {
                    inTransaction.set(true);
                    return true; // 事务允许通过
                }
            } else if (txState.compareAndSet(0, 2)) { // 非事务保护中
                // 当基于zk-cursor启动的时候，拿到的第一个Event是TransactionEnd
                return true; // DDL/DCL/TransactionEnd允许通过
            }
        }
    }

    return false;
}
Example #9
Source File: DummyEventStore.java    From canal with Apache License 2.0 6 votes vote down vote up 
public boolean put(List<Event> datas, long timeout, TimeUnit unit) throws InterruptedException, CanalStoreException {
    for (Event data : datas) {
        Date date = new Date(data.getExecuteTime());
        SimpleDateFormat format = new SimpleDateFormat(DATE_FORMAT);
        if (data.getEntryType() == EntryType.TRANSACTIONBEGIN || data.getEntryType() == EntryType.TRANSACTIONEND) {
            // System.out.println(MessageFormat.format(messgae, new Object[]
            // { Thread.currentThread().getName(),
            // header.getLogfilename(), header.getLogfileoffset(),
            // format.format(date),
            // data.getEntry().getEntryType(), "" }));
            System.out.println(data.getEntryType());

        } else {
            System.out.println(MessageFormat.format(messgae,
                new Object[] { Thread.currentThread().getName(), data.getJournalName(),
                        String.valueOf(data.getPosition()), format.format(date) }));
        }
    }
    return true;
}
Example #10
Source File: MemoryEventStoreWithBuffer.java    From canal with Apache License 2.0 6 votes vote down vote up 
public Events<Event> get(Position start, int batchSize) throws InterruptedException, CanalStoreException {
    final ReentrantLock lock = this.lock;
    lock.lockInterruptibly();
    try {
        try {
            while (!checkUnGetSlotAt((LogPosition) start, batchSize))
                notEmpty.await();
        } catch (InterruptedException ie) {
            notEmpty.signal(); // propagate to non-interrupted thread
            throw ie;
        }

        return doGet(start, batchSize);
    } finally {
        lock.unlock();
    }
}
Example #11
Source File: TimelineTransactionBarrier.java    From canal with Apache License 2.0 6 votes vote down vote up 
protected boolean isPermit(Event event, long state) {
    if (txState.intValue() == 1 && inTransaction.get()) { // 如果处于事务中，直接允许通过。因为事务头已经做过判断
        return true;
    } else if (txState.intValue() == 0) {
        boolean result = super.isPermit(event, state);
        if (result) {
            // 可能第一条送过来的数据不为Begin，需要做判断处理，如果非事务，允许直接通过，比如DDL语句
            if (isTransactionBegin(event)) {
                if (txState.compareAndSet(0, 1)) {
                    inTransaction.set(true);
                    return true; // 事务允许通过
                }
            } else if (txState.compareAndSet(0, 2)) { // 非事务保护中
                // 当基于zk-cursor启动的时候，拿到的第一个Event是TransactionEnd
                return true; // DDL/DCL/TransactionEnd允许通过
            }
        }
    }

    return false;
}
Example #12
Source File: FixedGroupEventSink.java    From DataLink with Apache License 2.0 6 votes vote down vote up 
protected boolean doSink(List<Event> events) {
    int size = events.size();
    for (int i = 0; i < events.size(); i++) {
        Event event = events.get(i);
        try {
            barrier.await(event);// 进行timeline的归并调度处理
            if (filterTransactionEntry) {
                super.doSink(Arrays.asList(event));
            } else if (i == size - 1) {
                // 针对事务数据，只有到最后一条数据都通过后，才进行sink操作，保证原子性
                // 同时批量sink，也要保证在最后一条数据释放状态之前写出数据，否则就有并发问题
                return super.doSink(events);
            }
        } catch (InterruptedException e) {
            return false;
        } finally {
            barrier.clear(event);
        }
    }

    return false;
}
Example #13
Source File: DummyEventStore.java    From canal-1.1.3 with Apache License 2.0 6 votes vote down vote up 
public void put(List<Event> datas) throws InterruptedException, CanalStoreException {
    for (Event data : datas) {
        Date date = new Date(data.getExecuteTime());
        SimpleDateFormat format = new SimpleDateFormat(DATE_FORMAT);
        if (data.getEntryType() == EntryType.TRANSACTIONBEGIN || data.getEntryType() == EntryType.TRANSACTIONEND) {
            // System.out.println(MessageFormat.format(messgae, new Object[]
            // { Thread.currentThread().getName(),
            // header.getLogfilename(), header.getLogfileoffset(),
            // format.format(date),
            // data.getEntry().getEntryType(), "" }));
            System.out.println(data.getEntryType());

        } else {
            System.out.println(MessageFormat.format(messgae,
                new Object[] { Thread.currentThread().getName(), data.getJournalName(),
                        String.valueOf(data.getPosition()), format.format(date) }));
        }
    }
}
Example #14
Source File: CanalServerWithEmbedded.java    From canal-1.1.3 with Apache License 2.0 6 votes vote down vote up 
/**
 * 根据不同的参数，选择不同的方式获取数据
 */
private Events<Event> getEvents(CanalEventStore eventStore, Position start, int batchSize, Long timeout,
                                TimeUnit unit) {
    if (timeout == null) {
        return eventStore.tryGet(start, batchSize);
    } else {
        try {
            if (timeout <= 0) {
                return eventStore.get(start, batchSize);
            } else {
                return eventStore.get(start, batchSize, timeout, unit);
            }
        } catch (Exception e) {
            throw new CanalServerException(e);
        }
    }
}
Example #15
Source File: MemoryEventStoreMemBatchTest.java    From canal-1.1.3 with Apache License 2.0 6 votes vote down vote up 
@Test
public void testOnePutOneGet() {
    MemoryEventStoreWithBuffer eventStore = new MemoryEventStoreWithBuffer();
    eventStore.setBatchMode(BatchMode.MEMSIZE);
    eventStore.start();

    boolean result = eventStore.tryPut(buildEvent("1", 1L, 1L));
    Assert.assertTrue(result);

    Position position = eventStore.getFirstPosition();
    Events<Event> entrys = eventStore.tryGet(position, 1);
    Assert.assertTrue(entrys.getEvents().size() == 1);
    Assert.assertEquals(position, entrys.getPositionRange().getStart());
    Assert.assertEquals(position, entrys.getPositionRange().getEnd());

    eventStore.stop();
}
Example #16
Source File: MemoryEventStorePutAndGetTest.java    From canal-1.1.3 with Apache License 2.0 6 votes vote down vote up 
@Test
public void testOnePutOneGet() {
    MemoryEventStoreWithBuffer eventStore = new MemoryEventStoreWithBuffer();
    eventStore.start();

    boolean result = eventStore.tryPut(buildEvent("1", 1L, 1L));
    Assert.assertTrue(result);

    Position position = eventStore.getFirstPosition();
    Events<Event> entrys = eventStore.tryGet(position, 1);
    Assert.assertTrue(entrys.getEvents().size() == 1);
    Assert.assertEquals(position, entrys.getPositionRange().getStart());
    Assert.assertEquals(position, entrys.getPositionRange().getEnd());

    eventStore.stop();
}
Example #17
Source File: MemoryEventStoreWithBuffer.java    From canal-1.1.3 with Apache License 2.0 6 votes vote down vote up 
public Events<Event> get(Position start, int batchSize) throws InterruptedException, CanalStoreException {
    final ReentrantLock lock = this.lock;
    lock.lockInterruptibly();
    try {
        try {
            while (!checkUnGetSlotAt((LogPosition) start, batchSize))
                notEmpty.await();
        } catch (InterruptedException ie) {
            notEmpty.signal(); // propagate to non-interrupted thread
            throw ie;
        }

        return doGet(start, batchSize);
    } finally {
        lock.unlock();
    }
}
Example #18
Source File: MemoryEventStoreWithBuffer.java    From canal-1.1.3 with Apache License 2.0 6 votes vote down vote up 
public boolean tryPut(List<Event> data) throws CanalStoreException {
    if (data == null || data.isEmpty()) {
        return true;
    }

    final ReentrantLock lock = this.lock;
    lock.lock();
    try {
        if (!checkFreeSlotAt(putSequence.get() + data.size())) {
            return false;
        } else {
            doPut(data);
            return true;
        }
    } finally {
        lock.unlock();
    }
}
Example #19
Source File: MemoryEventStoreWithBuffer.java    From canal-1.1.3 with Apache License 2.0 6 votes vote down vote up 
public void put(List<Event> data) throws InterruptedException, CanalStoreException {
    if (data == null || data.isEmpty()) {
        return;
    }

    final ReentrantLock lock = this.lock;
    lock.lockInterruptibly();
    try {
        try {
            while (!checkFreeSlotAt(putSequence.get() + data.size())) { // 检查是否有空位
                notFull.await(); // wait until not full
            }
        } catch (InterruptedException ie) {
            notFull.signal(); // propagate to non-interrupted thread
            throw ie;
        }
        doPut(data);
        if (Thread.interrupted()) {
            throw new InterruptedException();
        }
    } finally {
        lock.unlock();
    }
}
Example #20
Source File: CanalEventUtils.java    From canal with Apache License 2.0 6 votes vote down vote up 
/**
 * 根据entry创建对应的Position对象
 */
public static LogPosition createPosition(Event event) {
    EntryPosition position = new EntryPosition();
    position.setJournalName(event.getJournalName());
    position.setPosition(event.getPosition());
    position.setTimestamp(event.getExecuteTime());
    // add serverId at 2016-06-28
    position.setServerId(event.getServerId());
    // add gtid
    position.setGtid(event.getGtid());

    LogPosition logPosition = new LogPosition();
    logPosition.setPostion(position);
    logPosition.setIdentity(event.getLogIdentity());
    return logPosition;
}
Example #21
Source File: DummyEventStore.java    From canal-1.1.3 with Apache License 2.0 6 votes vote down vote up 
public boolean tryPut(List<Event> datas) throws CanalStoreException {
    System.out.println("\n>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
    for (Event data : datas) {

        Date date = new Date(data.getExecuteTime());
        SimpleDateFormat format = new SimpleDateFormat(DATE_FORMAT);
        if (data.getEntryType() == EntryType.TRANSACTIONBEGIN || data.getEntryType() == EntryType.TRANSACTIONEND) {
            // System.out.println(MessageFormat.format(messgae, new Object[]
            // { Thread.currentThread().getName(),
            // header.getLogfilename(), header.getLogfileoffset(),
            // format.format(date),
            // data.getEntry().getEntryType(), "" }));
            System.out.println(data.getEntryType());

        } else {
            System.out.println(MessageFormat.format(messgae,
                new Object[] { Thread.currentThread().getName(), data.getJournalName(),
                        String.valueOf(data.getPosition()), format.format(date) }));
        }

    }
    System.out.println("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n");
    return true;
}
Example #22
Source File: DummyEventStore.java    From canal-1.1.3 with Apache License 2.0 6 votes vote down vote up 
public boolean put(List<Event> datas, long timeout, TimeUnit unit) throws InterruptedException, CanalStoreException {
    for (Event data : datas) {
        Date date = new Date(data.getExecuteTime());
        SimpleDateFormat format = new SimpleDateFormat(DATE_FORMAT);
        if (data.getEntryType() == EntryType.TRANSACTIONBEGIN || data.getEntryType() == EntryType.TRANSACTIONEND) {
            // System.out.println(MessageFormat.format(messgae, new Object[]
            // { Thread.currentThread().getName(),
            // header.getLogfilename(), header.getLogfileoffset(),
            // format.format(date),
            // data.getEntry().getEntryType(), "" }));
            System.out.println(data.getEntryType());

        } else {
            System.out.println(MessageFormat.format(messgae,
                new Object[] { Thread.currentThread().getName(), data.getJournalName(),
                        String.valueOf(data.getPosition()), format.format(date) }));
        }
    }
    return true;
}
Example #23
Source File: FixedTimelineTransactionBarrier.java    From DataLink with Apache License 2.0 6 votes vote down vote up 
protected boolean isPermit(Event event, long state) {
    if (txState.intValue() == 1 && inTransaction.get()) { // 如果处于事务中，直接允许通过。因为事务头已经做过判断
        return true;
    } else if (txState.intValue() == 0) {
        boolean result = super.isPermit(event, state);
        if (result) {
            // 可能第一条送过来的数据不为Begin，需要做判断处理，如果非事务，允许直接通过，比如DDL语句
            if (isTransactionBegin(event)) {
                if (txState.compareAndSet(0, 1)) {
                    inTransaction.set(true);
                    return true; // 事务允许通过
                }
            } else if (txState.compareAndSet(0, 2)) { // 非事务保护中
                return true; // DDL/DCL允许通过
            }
        }
    }

    return false;
}
Example #24
Source File: MemoryEventStoreBase.java    From canal with Apache License 2.0 5 votes vote down vote up 
protected Event buildEvent(String binlogFile, long offset, long timestamp, long eventLenght) {
    Header.Builder headerBuilder = Header.newBuilder();
    headerBuilder.setLogfileName(binlogFile);
    headerBuilder.setLogfileOffset(offset);
    headerBuilder.setExecuteTime(timestamp);
    headerBuilder.setEventLength(eventLenght);
    Entry.Builder entryBuilder = Entry.newBuilder();
    entryBuilder.setHeader(headerBuilder.build());
    Entry entry = entryBuilder.build();

    return new Event(new LogIdentity(new InetSocketAddress(MYSQL_ADDRESS, 3306), 1234L), entry);
}
Example #25
Source File: MemoryEventStorePutAndGetTest.java    From canal-1.1.3 with Apache License 2.0 5 votes vote down vote up 
@Test
public void testFullPutBatchGet() {
    int bufferSize = 16;
    MemoryEventStoreWithBuffer eventStore = new MemoryEventStoreWithBuffer();
    eventStore.setBufferSize(bufferSize);
    eventStore.start();

    for (int i = 0; i < bufferSize; i++) {
        boolean result = eventStore.tryPut(buildEvent("1", 1L, 1L + i));
        sleep(100L);
        Assert.assertTrue(result);
    }

    Position first = eventStore.getFirstPosition();
    Position lastest = eventStore.getLatestPosition();
    Assert.assertEquals(first, CanalEventUtils.createPosition(buildEvent("1", 1L, 1L)));
    Assert.assertEquals(lastest, CanalEventUtils.createPosition(buildEvent("1", 1L, 1L + bufferSize - 1)));

    System.out.println("start get");
    Events<Event> entrys1 = eventStore.tryGet(first, bufferSize);
    System.out.println("first get size : " + entrys1.getEvents().size());

    Assert.assertTrue(entrys1.getEvents().size() == bufferSize);
    Assert.assertEquals(first, entrys1.getPositionRange().getStart());
    Assert.assertEquals(lastest, entrys1.getPositionRange().getEnd());

    Assert.assertEquals(first, CanalEventUtils.createPosition(entrys1.getEvents().get(0)));
    Assert.assertEquals(lastest, CanalEventUtils.createPosition(entrys1.getEvents().get(bufferSize - 1)));
    eventStore.stop();
}
Example #26
Source File: CanalReaderDownStreamHandler.java    From DataLink with Apache License 2.0 5 votes vote down vote up 
@Override
public List<Event> before(List<Event> events) {
    if (logger.isDebugEnabled()) {
        events.stream().forEach(e -> {
            logger.debug("Event Dump in Handler : EntryType is {}, EventType is {},SchemaName is {},TableName is {}.",
                    e.getEntry().getEntryType(),
                    e.getEntry().getHeader().getEventType(),
                    e.getEntry().getHeader().getSchemaName(),
                    e.getEntry().getHeader().getTableName());
        });
    }
    return super.before(events);
}
Example #27
Source File: TimelineTransactionBarrier.java    From canal with Apache License 2.0 5 votes vote down vote up 
public void await(Event event) throws InterruptedException {
    try {
        super.await(event);
    } catch (InterruptedException e) {
        // 出现线程中断，可能是因为关闭或者主备切换
        // 主备切换对应的事务尾会未正常发送，需要强制设置为事务结束，允许其他队列通过
        reset();
        throw e;
    }
}
Example #28
Source File: MemoryEventStoreWithBuffer.java    From canal with Apache License 2.0 5 votes vote down vote up 
public Events<Event> tryGet(Position start, int batchSize) throws CanalStoreException {
    final ReentrantLock lock = this.lock;
    lock.lock();
    try {
        return doGet(start, batchSize);
    } finally {
        lock.unlock();
    }
}
Example #29
Source File: TimelineTransactionBarrier.java    From canal with Apache License 2.0 5 votes vote down vote up 
public void await(Event event, long timeout, TimeUnit unit) throws InterruptedException, TimeoutException {
    try {
        super.await(event, timeout, unit);
    } catch (InterruptedException e) {
        // 出现线程中断，可能是因为关闭或者主备切换
        // 主备切换对应的事务尾会未正常发送，需要强制设置为事务结束，允许其他队列通过
        reset();
        throw e;
    }
}
Example #30
Source File: MemoryEventStoreMemBatchTest.java    From canal-1.1.3 with Apache License 2.0 5 votes vote down vote up 
@Test
public void testFullPutBatchGet() {
    int bufferSize = 16;
    MemoryEventStoreWithBuffer eventStore = new MemoryEventStoreWithBuffer();
    eventStore.setBufferSize(bufferSize);
    eventStore.setBatchMode(BatchMode.MEMSIZE);
    eventStore.start();

    for (int i = 0; i < bufferSize; i++) {
        boolean result = eventStore.tryPut(buildEvent("1", 1L, 1L + i));
        sleep(100L);
        Assert.assertTrue(result);
    }

    Position first = eventStore.getFirstPosition();
    Position lastest = eventStore.getLatestPosition();
    Assert.assertEquals(first, CanalEventUtils.createPosition(buildEvent("1", 1L, 1L)));
    Assert.assertEquals(lastest, CanalEventUtils.createPosition(buildEvent("1", 1L, 1L + bufferSize - 1)));

    System.out.println("start get");
    Events<Event> entrys1 = eventStore.tryGet(first, bufferSize);
    System.out.println("first get size : " + entrys1.getEvents().size());

    Assert.assertTrue(entrys1.getEvents().size() == bufferSize);
    Assert.assertEquals(first, entrys1.getPositionRange().getStart());
    Assert.assertEquals(lastest, entrys1.getPositionRange().getEnd());

    Assert.assertEquals(first, CanalEventUtils.createPosition(entrys1.getEvents().get(0)));
    Assert.assertEquals(lastest, CanalEventUtils.createPosition(entrys1.getEvents().get(bufferSize - 1)));
    eventStore.stop();
}