| File was renamed from src/main/java/com/duxinglangzi/canal/starter/container/DmlMessageTransponderContainer.java |
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| | | package com.duxinglangzi.canal.starter.container;
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| | | import com.alibaba.otter.canal.client.CanalConnector;
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| | | import com.alibaba.otter.canal.protocol.CanalEntry;
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| | | import com.alibaba.otter.canal.protocol.Message;
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| | | import com.duxinglangzi.canal.starter.configuration.CanalAutoConfigurationProperties;
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| | | import com.duxinglangzi.canal.starter.configuration.CanalListenerEndpointRegistrar;
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| | | import com.duxinglangzi.canal.starter.mode.CanalMessage;
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| | | import org.slf4j.Logger;
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| | | import org.slf4j.LoggerFactory;
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| | | import java.lang.reflect.InvocationTargetException;
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| | | import java.util.*;
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| | | /**
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| | | * DML 数据拉取、解析
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| | | *
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| | | * @author wuqiong 2022/4/11
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| | | */
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| | | public class DmlMessageTransponderContainer extends AbstractCanalTransponderContainer {
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| | | private final static Logger logger = LoggerFactory.getLogger(DmlMessageTransponderContainer.class);
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| | | private CanalConnector connector;
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| | | private CanalAutoConfigurationProperties.EndpointInstance endpointInstance;
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| | | private List<CanalListenerEndpointRegistrar> registrars = new ArrayList<>();
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| | | private Set<CanalEntry.EventType> support_all_types = new HashSet<>();
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| | | private Integer local_retry_count;
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| | | public void initConnect() {
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| | | try {
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| | | // init supportAllTypes
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| | | registrars.forEach(e -> support_all_types.addAll(Arrays.asList(e.getEventType())));
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| | | connector.connect();
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| | | connector.subscribe(endpointInstance.getSubscribe());
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| | | connector.rollback();
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| | | // 初始化本地重试次数
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| | | local_retry_count = endpointInstance.getRetryCount();
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| | | } catch (Exception e) {
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| | | logger.error("[DmlMessageTransponderContainer_initConnect] canal client connect error .", e);
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| | | setRunning(false);
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| | | }
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| | | }
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| | | public void disconnect() {
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| | | // 关闭连接
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| | | connector.disconnect();
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| | | }
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| | | public void doStart() {
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| | | try {
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| | | Message message = null;
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| | | try {
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| | | message = connector.getWithoutAck(endpointInstance.getBatchSize()); // 获取指定数量的数据
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| | | } catch (Exception clientException) {
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| | | logger.error("[DmlMessageTransponderContainer] error msg : ", clientException);
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| | | if (local_retry_count > 0) {
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| | | // 重试次数减一
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| | | local_retry_count = local_retry_count - 1;
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| | | sleep(endpointInstance.getAcquireInterval());
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| | | } else {
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| | | // 重试次数 <= 0 时,直接终止线程
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| | | logger.error("[DmlMessageTransponderContainer] retry count is zero , " +
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| | | "thread interrupt , current connector host: {} , port: {} ",
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| | | endpointInstance.getHost(), endpointInstance.getPort());
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| | | Thread.currentThread().interrupt();
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| | | }
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| | | return;
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| | | }
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| | | // 如果重试次数小于设置的,则修改
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| | | if (local_retry_count < endpointInstance.getRetryCount())
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| | | local_retry_count = endpointInstance.getRetryCount();
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| | | List<CanalEntry.Entry> entries = message.getEntries();
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| | | if (message.getId() == -1 || entries.isEmpty()) {
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| | | sleep(endpointInstance.getAcquireInterval());
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| | | return;
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| | | }
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| | | for (CanalEntry.Entry entry : entries) {
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| | | try {
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| | | consumer(entry);
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| | | } catch (Exception e) {
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| | | e.printStackTrace();
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| | | logger.error("[DmlMessageTransponderContainer_doStart] CanalEntry.Entry consumer error ", e);
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| | | // connector.rollback(message.getId()); // 目前先不处理失败, 无需回滚数据
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| | | // return;
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| | | }
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| | | }
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| | | connector.ack(message.getId()); // 提交确认
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| | | } catch (Exception exc) {
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| | | logger.error("[DmlMessageTransponderContainer_doStart] Pull data message exception,errorMessage:{}", exc.getLocalizedMessage());
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| | | // 防止删除消息时发生错误,或者拉取消息失败等情况
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| | | exc.printStackTrace();
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| | | }
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| | | }
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| | |
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| | | public DmlMessageTransponderContainer(
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| | | CanalConnector connector, List<CanalListenerEndpointRegistrar> registrars,
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| | | CanalAutoConfigurationProperties.EndpointInstance endpointInstance) {
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| | | this.connector = connector;
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| | | this.registrars.addAll(registrars);
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| | | this.endpointInstance = endpointInstance;
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| | | }
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| | |
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| | | private void consumer(CanalEntry.Entry entry) {
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| | | if (IGNORE_ENTRY_TYPES.contains(entry.getEntryType())) return;
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| | | CanalEntry.RowChange rowChange = null;
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| | | try {
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| | | rowChange = CanalEntry.RowChange.parseFrom(entry.getStoreValue());
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| | | } catch (Exception e) {
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| | | logger.error("[DmlMessageTransponderContainer_consumer] RowChange parse has an error ", e);
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| | | throw new RuntimeException("RowChange parse has an error , data:" + entry.toString(), e);
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| | | }
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| | |
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| | | // 忽略 ddl 语句
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| | | if (rowChange.hasIsDdl() && rowChange.getIsDdl()) return;
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| | | CanalEntry.EventType eventType = rowChange.getEventType();
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| | | if (!support_all_types.contains(eventType)) return;
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| | | for (CanalEntry.RowData rowData : rowChange.getRowDatasList()) {
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| | | registrars
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| | | .stream()
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| | | .filter(CanalListenerEndpointRegistrar.filterArgs(
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| | | entry.getHeader().getSchemaName(),
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| | | entry.getHeader().getTableName(),
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| | | eventType))
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| | | .forEach(element -> {
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| | | try {
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| | | element.getMethod().invoke(element.getBean(), new CanalMessage(entry.getHeader(), eventType, rowData));
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| | | } catch (IllegalAccessException | InvocationTargetException e) {
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| | | logger.error("[DmlMessageTransponderContainer_consumer] RowData Callback Method invoke error message", e);
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| | | throw new RuntimeException("RowData Callback Method invoke error message： " + e.getMessage(), e);
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| | | }
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| | | });
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| | | }
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| | | }
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| | | }
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| | | package com.hz.canal.starter.container; |
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| | | |
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| | | import com.alibaba.otter.canal.client.CanalConnector; |
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| | | import com.alibaba.otter.canal.protocol.CanalEntry; |
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| | | import com.alibaba.otter.canal.protocol.Message; |
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| | | import com.hz.canal.starter.configuration.CanalAutoConfigurationProperties; |
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| | | import com.hz.canal.starter.configuration.CanalListenerEndpointRegistrar; |
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| | | import com.hz.canal.starter.mode.CanalMessage; |
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| | | import org.slf4j.Logger; |
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| | | import org.slf4j.LoggerFactory; |
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| | | |
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| | | import java.lang.reflect.InvocationTargetException; |
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| | | import java.util.*; |
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| | | |
|---|
| | | /** |
|---|
| | | * DML 数据拉取、解析 |
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| | | * |
|---|
| | | * @author wuqiong 2022/4/11 |
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| | | */ |
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| | | public class DmlMessageTransponderContainer extends AbstractCanalTransponderContainer { |
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| | | |
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| | | private final static Logger logger = LoggerFactory.getLogger(DmlMessageTransponderContainer.class); |
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| | | |
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| | | private CanalConnector connector; |
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| | | private CanalAutoConfigurationProperties.EndpointInstance endpointInstance; |
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| | | private List<CanalListenerEndpointRegistrar> registrars = new ArrayList<>(); |
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| | | private Set<CanalEntry.EventType> support_all_types = new HashSet<>(); |
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| | | private Integer local_retry_count; |
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| | | |
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| | | |
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| | | public void initConnect() { |
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| | | try { |
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| | | // init supportAllTypes |
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| | | registrars.forEach(e -> support_all_types.addAll(Arrays.asList(e.getEventType()))); |
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| | | connector.connect(); |
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| | | connector.subscribe(endpointInstance.getSubscribe()); |
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| | | connector.rollback(); |
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| | | // 初始化本地重试次数 |
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| | | local_retry_count = endpointInstance.getRetryCount(); |
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| | | } catch (Exception e) { |
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| | | logger.error("[DmlMessageTransponderContainer_initConnect] canal client connect error .", e); |
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| | | setRunning(false); |
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| | | } |
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| | | |
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| | | } |
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| | | |
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| | | public void disconnect() { |
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| | | // 关闭连接 |
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| | | connector.disconnect(); |
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| | | } |
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| | | |
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| | | |
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| | | public void doStart() { |
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| | | try { |
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| | | Message message = null; |
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| | | try { |
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| | | message = connector.getWithoutAck(endpointInstance.getBatchSize()); // 获取指定数量的数据 |
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| | | } catch (Exception clientException) { |
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| | | logger.error("[DmlMessageTransponderContainer] error msg : ", clientException); |
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| | | if (local_retry_count > 0) { |
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| | | // 重试次数减一 |
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| | | local_retry_count = local_retry_count - 1; |
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| | | sleep(endpointInstance.getAcquireInterval()); |
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| | | } else { |
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| | | // 重试次数 <= 0 时,直接终止线程 |
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| | | logger.error("[DmlMessageTransponderContainer] retry count is zero , " + |
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| | | "thread interrupt , current connector host: {} , port: {} ", |
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| | | endpointInstance.getHost(), endpointInstance.getPort()); |
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| | | Thread.currentThread().interrupt(); |
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| | | } |
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| | | return; |
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| | | } |
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| | | // 如果重试次数小于设置的,则修改 |
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| | | if (local_retry_count < endpointInstance.getRetryCount()) |
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| | | local_retry_count = endpointInstance.getRetryCount(); |
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| | | List<CanalEntry.Entry> entries = message.getEntries(); |
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| | | if (message.getId() == -1 || entries.isEmpty()) { |
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| | | sleep(endpointInstance.getAcquireInterval()); |
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| | | return; |
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| | | } |
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| | | for (CanalEntry.Entry entry : entries) { |
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| | | try { |
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| | | consumer(entry); |
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| | | } catch (Exception e) { |
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| | | e.printStackTrace(); |
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| | | logger.error("[DmlMessageTransponderContainer_doStart] CanalEntry.Entry consumer error ", e); |
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| | | // connector.rollback(message.getId()); // 目前先不处理失败, 无需回滚数据 |
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| | | // return; |
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| | | } |
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| | | } |
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| | | connector.ack(message.getId()); // 提交确认 |
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| | | } catch (Exception exc) { |
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| | | logger.error("[DmlMessageTransponderContainer_doStart] Pull data message exception,errorMessage:{}", exc.getLocalizedMessage()); |
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| | | // 防止删除消息时发生错误,或者拉取消息失败等情况 |
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| | | exc.printStackTrace(); |
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| | | } |
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| | | } |
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| | | |
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| | | public DmlMessageTransponderContainer( |
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| | | CanalConnector connector, List<CanalListenerEndpointRegistrar> registrars, |
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| | | CanalAutoConfigurationProperties.EndpointInstance endpointInstance) { |
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| | | this.connector = connector; |
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| | | this.registrars.addAll(registrars); |
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| | | this.endpointInstance = endpointInstance; |
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| | | } |
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| | | |
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| | | private void consumer(CanalEntry.Entry entry) { |
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| | | if (IGNORE_ENTRY_TYPES.contains(entry.getEntryType())) return; |
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| | | CanalEntry.RowChange rowChange = null; |
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| | | try { |
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| | | rowChange = CanalEntry.RowChange.parseFrom(entry.getStoreValue()); |
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| | | } catch (Exception e) { |
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| | | logger.error("[DmlMessageTransponderContainer_consumer] RowChange parse has an error ", e); |
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| | | throw new RuntimeException("RowChange parse has an error , data:" + entry.toString(), e); |
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| | | } |
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| | | |
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| | | // 忽略 ddl 语句 |
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| | | if (rowChange.hasIsDdl() && rowChange.getIsDdl()) return; |
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| | | CanalEntry.EventType eventType = rowChange.getEventType(); |
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| | | if (!support_all_types.contains(eventType)) return; |
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| | | for (CanalEntry.RowData rowData : rowChange.getRowDatasList()) { |
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| | | registrars |
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| | | .stream() |
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| | | .filter(CanalListenerEndpointRegistrar.filterArgs( |
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| | | entry.getHeader().getSchemaName(), |
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| | | entry.getHeader().getTableName(), |
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| | | eventType)) |
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| | | .forEach(element -> { |
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| | | try { |
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| | | element.getMethod().invoke(element.getBean(), new CanalMessage(entry.getHeader(), eventType, rowData)); |
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| | | } catch (IllegalAccessException | InvocationTargetException e) { |
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| | | logger.error("[DmlMessageTransponderContainer_consumer] RowData Callback Method invoke error message", e); |
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| | | throw new RuntimeException("RowData Callback Method invoke error message： " + e.getMessage(), e); |
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| | | } |
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| | | }); |
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| | | } |
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| | | } |
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| | | |
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| | | } |
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