cloud-etl-task/cloud-task-server/src/main/java/com/muyu/service/impl/TaskServiceImpl.java

319 lines
11 KiB
Java

package com.muyu.service.impl;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.muyu.common.core.domain.Result;
import com.muyu.common.core.utils.StringUtils;
import com.muyu.domain.*;
import com.muyu.domain.req.TaskInfoReq;
import com.muyu.domain.taskenum.Weight;
import com.muyu.mapper.TaskMapper;
import com.muyu.service.TaskInputService;
import com.muyu.service.TaskJoinService;
import com.muyu.service.TaskOutputService;
import com.muyu.service.TaskService;
import com.muyu.task.feign.DataValueClient;
import jakarta.annotation.Resource;
import lombok.extern.log4j.Log4j2;
import org.jetbrains.annotations.NotNull;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.HashMap;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.PriorityBlockingQueue;
/**
* @PackageName:com.muyu.service.impl
* @ClassName:TaskServiceImpl
* @Description:
* @author: ¥陈思豪¥
* @date: 2024/8/22 17:15
*/
@Service
@Log4j2
public class TaskServiceImpl extends ServiceImpl<TaskMapper, TaskInfo> implements TaskService {
@Autowired
private TaskInputService taskInputService;
@Autowired
private TaskMapper taskMapper;
@Autowired
private TaskJoinService taskJoinService;
@Autowired
private TaskOutputService taskOutputService;
@Autowired
private DataValueClient dataValueClient;
@Override
public List<TaskInfo> selectList(TaskInfoReq taskInfoReq) {
LambdaQueryWrapper<TaskInfo> queryWrapper = new LambdaQueryWrapper<>();
queryWrapper.like(
StringUtils.isNotEmpty(taskInfoReq.getName()),
TaskInfo::getName, taskInfoReq.getName()
);
if(taskInfoReq.getStatus()!=null && taskInfoReq.getStatus()!=0){
queryWrapper.eq(
TaskInfo::getStatus,taskInfoReq.getStatus()
);
}
if(taskInfoReq.getWeigh()!=null && taskInfoReq.getWeigh()!=0 ){
queryWrapper.eq(
TaskInfo::getWeigh,taskInfoReq.getWeigh()
);
}
return this.list(queryWrapper);
}
@Override
public String addTask(TaskInfo taskInfo) {
boolean save = this.save(taskInfo);
if(save == false){
throw new RuntimeException("err");
}
return "success";
}
@Override
public String updById(TaskInfo taskInfo) {
this.updateById(taskInfo);
return "success";
}
@Override
public String deleteById(Integer id) {
TaskMapper taskMapper = this.baseMapper;
int i = taskMapper.deleteById(id);
if(i<=0){
throw new RuntimeException("err");
}
return "success";
}
@Override
public String executeTask(Integer taskId) {
LambdaQueryWrapper<TaskInputInfo> queryWrapper = new LambdaQueryWrapper<>();
queryWrapper.eq(TaskInputInfo::getTaskId, taskId);
List<TaskInputInfo> taskInputList = taskInputService.list(queryWrapper);
if(taskInputList.isEmpty()){
return "表节点没有进行相对应的选择,无法继续执行";
}
LambdaQueryWrapper<TaskOutputInfo> outputInfo = new LambdaQueryWrapper<>();
outputInfo.eq(TaskOutputInfo::getTaskId, taskId);
TaskOutputInfo taskOutputInfo = taskOutputService.getOne(outputInfo);
String[] outPutFileName = taskOutputInfo.getLastFileName().split(",");
String[] newFileName = taskOutputInfo.getNewFileName().split(",");
HashMap<String, String> fieldAsNameMap = new HashMap<>();
HashMap<String, String> newAndOldMap = new HashMap<>();
String sql = "";
for (int i = 0; i < taskInputList.size(); i++) {
String[] tableFieldList = taskInputList.get(i).getTableField().split(",");
String[] tableAsFieldList = taskInputList.get(i).getTableAsField().split(",");
for (int j = 0; j < tableAsFieldList.length; j++) {
for (int o = 0; o < newFileName.length; o++) {
newAndOldMap.put(outPutFileName[j], newFileName[j]);
if(tableAsFieldList[j].equals(outPutFileName[o])){
sql += ","+taskInputList.get(i).getTableAsName() + "." + tableFieldList[j] +" " +
tableAsFieldList[j] + " ";
}
}
fieldAsNameMap.put(tableAsFieldList[j], tableFieldList[j]);
}
}
System.out.println(sql);
System.out.println(sql);
System.out.println(sql);
System.out.println(sql);
System.out.println(sql);
sql = sql.substring(1);
sql = "select " + sql + " from ";
String leftJoin = "";
LambdaQueryWrapper<TaskJoinInfo> lambdaQueryWrapper = new LambdaQueryWrapper<>();
lambdaQueryWrapper.eq(TaskJoinInfo::getTaskId, taskId);
List<TaskJoinInfo> taskJoinInfos = taskJoinService.list(lambdaQueryWrapper);
if(!taskJoinInfos.isEmpty()){
for (TaskJoinInfo taskJoinInfo : taskJoinInfos) {
//拿到左表id
String leftId = taskJoinInfo.getLeftId();
TaskInputInfo leftInput = taskInputService.findByNodeId(leftId);
//拿到右表id
String rightId = taskJoinInfo.getRightId();
TaskInputInfo rightInput = taskInputService.findByNodeId(rightId);
leftJoin += leftInput.getTableName() + " " + leftInput.getTableAsName()+" " +
taskJoinInfo.getJoinType() + " " + rightInput.getTableName() + " " +
rightInput.getTableAsName() + " on " + leftInput.getTableAsName() + "." +
fieldAsNameMap.get(taskJoinInfo.getLeftJoinField()) + "=" + rightInput.getTableAsName() + "." +
fieldAsNameMap.get(taskJoinInfo.getRightJoinField()) + " ";
}
}else{
LambdaQueryWrapper<TaskInputInfo> selectOne = new LambdaQueryWrapper<>();
queryWrapper.eq(TaskInputInfo::getTaskId, taskId);
TaskInputInfo taskInputInfo = taskInputService.getOne(selectOne);
leftJoin += taskInputInfo.getTableName() + " " + taskInputInfo.getTableAsName();
}
String sqlCount = "select count(1) from "+leftJoin;
//查询出总条数
Integer count = dataValueClient.findCount(Long.valueOf(taskOutputInfo.getBasicId()), sqlCount);
log.info("查询到的条数为{}",count);
//查询数据
sql = sql + leftJoin;
int pageSize = 1000;
int totalSegments = (int) Math.ceil((double) count / pageSize);
LambdaQueryWrapper<TaskInfo> taskInfoQueryWrapper = new LambdaQueryWrapper<>();
taskInfoQueryWrapper.eq(TaskInfo::getId, taskId);
TaskInfo taskInfo = taskMapper.selectById(taskId);
Long basicId = Long.valueOf(taskOutputInfo.getBasicId());
Long tableId = Long.valueOf(taskOutputInfo.getTableId());
Integer weigh = taskInfo.getWeigh();
long firstArray = 0L;
PriorityBlockingQueue<SegmentTask> queue = new PriorityBlockingQueue<>(totalSegments);
// 创建线程池
ExecutorService executor = Executors.newFixedThreadPool(1);
for (int i = 0; i < totalSegments; i++) {
log.info("调用第{}次",i);
String limit = " limit "+ i*pageSize + ","+pageSize;
firstArray = count - (long) i *pageSize;
if (firstArray>=pageSize){
firstArray=pageSize;
}
String limitSelect = sql + limit;
SegmentTask segmentTask = new SegmentTask(limitSelect, basicId, tableId,newAndOldMap, Weight.getWeight(weigh));
Result tableValue = dataValueClient.findTableValue(basicId, sql);
log.info("远程调用完毕,调用的值为{}",tableValue.getData());
log.info("创建任务添加到队列当中");
queue.add(segmentTask);
log.info("添加到queue里成功");
break;
}
// 启动线程池执行任务
for (int i = 0; i < 10; i++) { // 可以根据需要调整线程池大小
executor.submit(new Worker(queue));
log.info("运行{}",i);
break;
}
executor.shutdown();
try {
// 等待所有任务完成
executor.awaitTermination(Long.MAX_VALUE, java.util.concurrent.TimeUnit.NANOSECONDS);
} catch (InterruptedException e) {
e.printStackTrace();
}
// Result<List<List<DataValue>>> tableValue = dataValueFeign.findTableValue(Long.valueOf(taskOutputInfo.getBasicId()), sql);
return "success";
}
static class Worker implements Runnable {
private final PriorityBlockingQueue<SegmentTask> queue;
public Worker(PriorityBlockingQueue<SegmentTask> queue) {
this.queue = queue;
}
@Override
public void run() {
while (!Thread.currentThread().isInterrupted()) {
try {
// 从队列中取出一个任务
SegmentTask task = queue.take();
// 执行任务
task.run();
} catch (InterruptedException e) {
Thread.currentThread().interrupt(); // 设置中断状态
break;
}
}
}
}
static class SegmentTask implements Runnable, Comparable<SegmentTask> {
@Resource
private DataValueClient dataValueClient;
private final String sql;
private final Long basicId;
private final Long tableId;
private final Weight weight;
HashMap<String, String> map = new HashMap<>();
public SegmentTask(String sql, Long basicId, Long tableId, HashMap<String, String> map, Weight weight) {
this.sql = sql;
this.basicId = basicId;
this.tableId = tableId;
this.map = map;
this.weight = weight;
}
@Override
public void run() {
log.info("开始执行任务:" + basicId + " " + sql + " " + weight + " " + tableId, tableId);
// 查询数据
Result tableValue = dataValueClient.findTableValue(basicId, sql);
log.info("远程调用完毕,调用的值为{}", tableValue.getData());
List<List<DataValue>> data = (List<List<DataValue>>) tableValue.getData();
log.info("查询结果:{}", data);
for (List<DataValue> datum : data) {
for (DataValue dataValue : datum) {
String key = dataValue.getKey();
String newKey = map.get(key);
dataValue.setKey(newKey);
}
}
log.info("开始添加:{}", data);
Result result = dataValueClient.addTableDataValue(basicId, tableId, data);
log.info("添加完毕字段:{}", result);
// 处理结果
// dataValueList.accept(tableValue.getData());
}
public Weight geWeight() {
return weight;
}
@Override
public int compareTo(@NotNull SegmentTask o) {
return Integer.compare(o.geWeight().getWeight(), this.weight.getWeight());
}
}
}