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feature/ca
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68a465abd6 |
@@ -126,6 +126,19 @@
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<artifactId>tika-core</artifactId> <!-- 文件客户端:文件类型的识别 -->
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</dependency>
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<dependency>
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<groupId>com.alibaba.otter</groupId>
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<artifactId>canal.client</artifactId>
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<version>1.1.8</version>
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</dependency>
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<dependency>
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<groupId>com.alibaba.otter</groupId>
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<artifactId>canal.protocol</artifactId>
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<version>1.1.8</version>
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</dependency>
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</dependencies>
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<build>
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@@ -0,0 +1,17 @@
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package org.agt.module.license.framework.canal;
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import lombok.RequiredArgsConstructor;
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import org.springframework.boot.CommandLineRunner;
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import org.springframework.stereotype.Component;
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@Component
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@RequiredArgsConstructor
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public class CanalRunner implements CommandLineRunner {
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private final CanalService canalService;
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@Override
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public void run(String... args) {
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canalService.startCanalListener();
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}
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}
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@@ -0,0 +1,106 @@
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package org.agt.module.license.framework.canal;
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import com.alibaba.otter.canal.client.CanalConnector;
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import com.alibaba.otter.canal.client.CanalConnectors;
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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 jakarta.annotation.Resource;
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import org.agt.module.license.service.license.LicenseServiceImpl;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.scheduling.annotation.Async;
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import org.springframework.scheduling.annotation.EnableAsync;
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import org.springframework.stereotype.Service;
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import java.net.InetSocketAddress;
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import java.util.List;
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@EnableAsync
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@Service
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public class CanalService {
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private static final Logger log = LoggerFactory.getLogger(CanalService.class);
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@Resource
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private LicenseServiceImpl licenseService;
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@Async
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public void startCanalListener() {
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// 创建连接
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CanalConnector connector = CanalConnectors.newSingleConnector(
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new InetSocketAddress("127.0.0.1", 11111),
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"example", // Canal instance 名称
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"", ""); // 用户名/密码(可为空)
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try {
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connector.connect();
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connector.subscribe("agt-cloud\\.crm_license"); // 订阅库(正则方式)
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connector.rollback();
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System.out.println("✅ Canal client 启动成功,开始监听数据库变化...");
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while (true) {
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// 拉取数据,每次最多 100 条
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Message message = connector.getWithoutAck(100);
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long batchId = message.getId();
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if (batchId == -1 || message.getEntries().isEmpty()) {
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Thread.sleep(1000);
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} else {
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handleEntry(message.getEntries());
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}
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connector.ack(batchId); // 提交确认
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}
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} catch (Exception e) {
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log.error("canal启动失败:{}", e.getMessage(), e);
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} finally {
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connector.disconnect();
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}
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}
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private void handleEntry(List<CanalEntry.Entry> entries) throws Exception {
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for (CanalEntry.Entry entry : entries) {
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if (entry.getEntryType() != CanalEntry.EntryType.ROWDATA) {
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continue;
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}
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CanalEntry.RowChange rowChange = CanalEntry.RowChange.parseFrom(entry.getStoreValue());
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CanalEntry.EventType eventType = rowChange.getEventType();
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String tableName = entry.getHeader().getTableName();
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System.out.printf("📢 [监听到] 数据库表:%s,事件类型:%s%n", tableName, eventType);
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for (CanalEntry.RowData rowData : rowChange.getRowDatasList()) {
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switch (eventType) {
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case INSERT:
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break;
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case UPDATE:
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printColumns("BEFORE UPDATE", rowData.getBeforeColumnsList());
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printColumns("AFTER UPDATE", rowData.getAfterColumnsList());
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// 更新后的业务逻辑
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if ("crm_license".equals(tableName)) {
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rowData.getAfterColumnsList().forEach(column -> {
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if ("state".equals(column.getName()) && "3".equals(column.getValue()) && column.getUpdated()) {
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licenseService.genLicenseTask();
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}
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});
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}
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break;
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case DELETE:
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break;
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default:
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break;
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}
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}
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}
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}
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private void printColumns(String label, List<CanalEntry.Column> columns) {
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System.out.println("==== " + label + " ====");
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for (CanalEntry.Column column : columns) {
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System.out.printf("%s = %s (updated=%s)%n",
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column.getName(), column.getValue(), column.getUpdated());
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}
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}
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}
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@@ -79,7 +79,7 @@ public class LicenseTask {
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@Scheduled(cron = "*/5 * * * * ?")
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public void task() {
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licenseService.genLicenseTask();
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// licenseService.genLicenseTask();
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}
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@Scheduled(cron = "0 0 0 * * ?")
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@@ -259,3 +259,9 @@ spring:
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base: dc=agrandtech,dc=com
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username: uid=root,cn=users,dc=agrandtech,dc=com
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password: Tian7989!
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canal:
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server: 127.0.0.1:11111
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destination: example # 对应 canal server 配置的 instance 名称
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username: ""
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password: ""
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