feat：增加备份管理模块
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flyfish-backup/pom.xml
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26
flyfish-backup/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>flyfish-framework</artifactId>
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<groupId>com.flyfish.framework</groupId>
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<version>0.0.1-SNAPSHOT</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>flyfish-backup</artifactId>
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<properties>
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<maven.compiler.source>8</maven.compiler.source>
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<maven.compiler.target>8</maven.compiler.target>
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</properties>
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<dependencies>
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<dependency>
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<groupId>com.flyfish.framework</groupId>
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<artifactId>flyfish-web</artifactId>
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<version>${project.version}</version>
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</dependency>
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</dependencies>
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</project>
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package com.flyfish.framework.backup.controller;
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import com.flyfish.framework.backup.domain.Backup;
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import com.flyfish.framework.backup.scheduler.BackupScheduler;
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import com.flyfish.framework.bean.Result;
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import com.flyfish.framework.controller.reactive.ReactiveBaseController;
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import com.flyfish.framework.domain.base.NameLikeQo;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import javax.annotation.Resource;
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/**
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* 备份controller
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*
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* @author wangyu
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*/
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@RestController
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@RequestMapping("backups")
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public class BackupController extends ReactiveBaseController<Backup, NameLikeQo<Backup>> {
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@Resource
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private BackupScheduler backupScheduler;
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/**
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* 立即创建备份
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*
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* @return 结果
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*/
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@PostMapping("task")
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public Result<String> createTask() {
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backupScheduler.backup();
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return Result.accept("已创建备份，完成后会出现在列表中，请稍后刷新再试。");
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}
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}
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@ -1,10 +1,11 @@
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package com.flyfish.framework.domain.po;
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package com.flyfish.framework.backup.domain;
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import com.flyfish.framework.domain.base.AuditDomain;
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import com.flyfish.framework.enums.NamedEnum;
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import lombok.AllArgsConstructor;
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import lombok.Getter;
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import lombok.Setter;
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import org.springframework.data.mongodb.core.mapping.Document;
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/**
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* 系统备份
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@ -13,6 +14,7 @@ import lombok.Setter;
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*/
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@Getter
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@Setter
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@Document(collection = "backups")
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public class Backup extends AuditDomain {
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// 文件路径
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package com.flyfish.framework.backup.repository;
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import com.flyfish.framework.backup.domain.Backup;
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import com.flyfish.framework.repository.DefaultReactiveRepository;
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/**
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* 备份仓库
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*
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* @author wangyu
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*/
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public interface BackupRepository extends DefaultReactiveRepository<Backup> {
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}
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@ -1,9 +1,8 @@
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package com.flyfish.framework.scheduler;
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package com.flyfish.framework.backup.scheduler;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import java.nio.ByteBuffer;
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import java.util.List;
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/**
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@ -1,8 +1,8 @@
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package com.flyfish.framework.scheduler;
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package com.flyfish.framework.backup.scheduler;
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import com.alibaba.fastjson.JSON;
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import com.flyfish.framework.backup.domain.Backup;
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import com.flyfish.framework.domain.base.DomainService;
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import com.flyfish.framework.domain.po.Backup;
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import lombok.SneakyThrows;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang3.StringUtils;
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@ -20,6 +20,7 @@ import org.springframework.util.unit.DataSize;
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import reactor.core.publisher.Flux;
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import reactor.core.publisher.Mono;
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import java.io.IOException;
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import java.nio.channels.AsynchronousFileChannel;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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@ -29,6 +30,7 @@ import java.nio.file.StandardOpenOption;
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import java.util.Date;
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import java.util.List;
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import java.util.UUID;
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import java.util.concurrent.atomic.AtomicLong;
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import java.util.stream.Collectors;
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/**
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@ -75,9 +77,8 @@ public class BackupScheduler {
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public void backup() {
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// 本次备份任务代号
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String code = UUID.randomUUID().toString();
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// 本次备份父目录
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String parent = backupPath + "/" + code;
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createIfNotExists(parent);
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// 本次备份父目录，出错时替换目录，保证备份成功
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String parent = createIfNotExists(backupPath + "/" + code);
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// 开始备份，先构造一个指示器
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Backup backup = new Backup();
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backup.setCreateTime(new Date());
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@ -85,6 +86,8 @@ public class BackupScheduler {
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backup.setCode(code);
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backup.setStatus(Backup.Status.RUNNING);
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backup.setFilepath(parent + "/back.zip");
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// 数据大小计数器
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AtomicLong sizeCounter = new AtomicLong(0);
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// 开始备份
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operations.save(backup)
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.thenMany(Flux.fromIterable(this.collections))
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@ -98,7 +101,9 @@ public class BackupScheduler {
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BackupIndex index = new BackupIndex();
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index.setId(code);
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index.setItems(list.stream().map(content -> {
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DataSize size = DataSize.parse(new String(content.getContent(), StandardCharsets.UTF_8));
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long currentSize = content.getContent().length;
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sizeCounter.addAndGet(currentSize);
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DataSize size = DataSize.ofBytes(currentSize);
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BackupIndex.BackupItem item = new BackupIndex.BackupItem();
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item.setCollection(content.getCollection());
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item.setPath(parent + "/" + content.getCollection() + ".json");
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@ -112,6 +117,7 @@ public class BackupScheduler {
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backup.setLog("成功备份");
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backup.setPeriod(new Date().getTime() - backup.getCreateTime().getTime());
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backup.setStatus(Backup.Status.SUCCESS);
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backup.setSize(DataSize.ofBytes(sizeCounter.get()).toKilobytes() + "KB");
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return operations.save(backup);
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}))
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.subscribe(v -> {
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@ -131,12 +137,18 @@ public class BackupScheduler {
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* @param filepath 路径
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*/
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@SneakyThrows
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private void createIfNotExists(String filepath) {
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private String createIfNotExists(String filepath) {
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Path path = Paths.get(filepath);
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if (!Files.exists(path)) {
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try {
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Files.createDirectories(path);
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} catch (IOException e) {
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log.error(e.getMessage());
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return createIfNotExists(System.getProperty("user.home") + filepath);
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}
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}
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return filepath;
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}
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/**
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* 写入文件内容
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@ -157,7 +169,7 @@ public class BackupScheduler {
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* @return 结果
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*/
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private Mono<Void> write(byte[] content, String path) {
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return Mono.fromCallable(() -> AsynchronousFileChannel.open(Paths.get(path), StandardOpenOption.WRITE))
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return Mono.fromCallable(() -> AsynchronousFileChannel.open(Files.createFile(Paths.get(path)), StandardOpenOption.WRITE))
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.flatMapMany(channel -> DataBufferUtils.write(Mono.just(factory.wrap(content)), channel, 0))
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.then();
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}
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@ -0,0 +1,24 @@
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package com.flyfish.framework.backup.service;
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import com.flyfish.framework.backup.domain.Backup;
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import com.flyfish.framework.service.impl.BaseReactiveServiceImpl;
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import org.springframework.stereotype.Service;
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import reactor.core.publisher.Mono;
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/**
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* 备份服务
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*
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* @author wangyu
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*/
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@Service
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public class BackupService extends BaseReactiveServiceImpl<Backup> {
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/**
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* 恢复指定备份
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*
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* @return 结果
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*/
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public Mono<Void> restore(String id) {
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return Mono.empty();
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}
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}
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