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update 集成 Lock4j 分布式锁

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疯狂的狮子li
2021-06-22 16:45:37 +08:00
parent 715abe1140
commit f098222a43
6 changed files with 71 additions and 77 deletions
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49
ruoyi-demo/src/main/java/com/ruoyi/demo/controller/RedisLockController.java
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@ -1,8 +1,10 @@
package com.ruoyi.demo.controller;
import com.baomidou.lock.LockInfo;
import com.baomidou.lock.LockTemplate;
import com.baomidou.lock.annotation.Lock4j;
import com.baomidou.lock.executor.RedissonLockExecutor;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.core.redis.RedisLockManager;
import com.ruoyi.demo.service.ITestDemoService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.Cacheable;
@ -10,6 +12,8 @@ import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.time.LocalTime;
/**
* 测试分布式锁的样例
@ -22,28 +26,49 @@ import org.springframework.web.bind.annotation.RestController;
public class RedisLockController {
@Autowired
private ITestDemoService testDemoService;
private LockTemplate lockTemplate;
/**
* 测试lock4j
* @param key
* @param value
* @return
* 测试lock4j 注解
*/
@Lock4j(keys = {"#key"})
@GetMapping("/testLock4j")
public AjaxResult<String> testLock4j(String key,String value){
testDemoService.testLock4j(key);
System.out.println("start:"+key+",time:"+ LocalTime.now().toString());
try {
Thread.sleep(10000);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println("end :"+key+",time:"+LocalTime.now().toString());
return AjaxResult.success("操作成功",value);
}
/**
* 测试lock4j 工具
*/
@GetMapping("/testLock4jLockTemaplate")
public AjaxResult<String> testLock4jLockTemaplate(String key,String value){
testDemoService.testLock4jLockTemaplate(key);
final LockInfo lockInfo = lockTemplate.lock(key, 30000L, 5000L, RedissonLockExecutor.class);
if (null == lockInfo) {
throw new RuntimeException("业务处理中,请稍后再试");
}
// 获取锁成功，处理业务
try {
try {
Thread.sleep(8000);
} catch (InterruptedException e) {
//
}
System.out.println("执行简单方法1 , 当前线程:" + Thread.currentThread().getName());
} finally {
//释放锁
lockTemplate.releaseLock(lockInfo);
}
//结束
return AjaxResult.success("操作成功",value);
}
/**
* 测试spring-cache注解
*/

4
ruoyi-demo/src/main/java/com/ruoyi/demo/service/ITestDemoService.java
View File

@ -19,10 +19,6 @@ import java.util.List;
*/
public interface ITestDemoService extends IServicePlus<TestDemo> {
void testLock4j(String key);
void testLock4jLockTemaplate(String key);
/**
* 查询单个
* @return

45
ruoyi-demo/src/main/java/com/ruoyi/demo/service/impl/TestDemoServiceImpl.java
View File

@ -2,18 +2,12 @@ package com.ruoyi.demo.service.impl;
import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.util.StrUtil;
import com.baomidou.lock.LockInfo;
import com.baomidou.lock.LockTemplate;
import com.baomidou.lock.annotation.Lock4j;
import com.baomidou.lock.executor.RedissonLockExecutor;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.ruoyi.common.annotation.DataScope;
import com.ruoyi.common.annotation.DataSource;
import com.ruoyi.common.core.mybatisplus.core.ServicePlusImpl;
import com.ruoyi.common.core.page.PagePlus;
import com.ruoyi.common.core.page.TableDataInfo;
import com.ruoyi.common.enums.DataSourceType;
import com.ruoyi.common.utils.PageUtils;
import com.ruoyi.demo.bo.TestDemoAddBo;
import com.ruoyi.demo.bo.TestDemoEditBo;
@ -22,10 +16,8 @@ import com.ruoyi.demo.domain.TestDemo;
import com.ruoyi.demo.mapper.TestDemoMapper;
import com.ruoyi.demo.service.ITestDemoService;
import com.ruoyi.demo.vo.TestDemoVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.time.LocalTime;
import java.util.Collection;
import java.util.List;
import java.util.Map;
@ -39,43 +31,6 @@ import java.util.Map;
@Service
public class TestDemoServiceImpl extends ServicePlusImpl<TestDemoMapper, TestDemo> implements ITestDemoService {
@Autowired
private LockTemplate lockTemplate;
@Override
public void testLock4jLockTemaplate(String key) {
final LockInfo lockInfo = lockTemplate.lock(key, 30000L, 5000L, RedissonLockExecutor.class);
if (null == lockInfo) {
throw new RuntimeException("业务处理中,请稍后再试");
}
// 获取锁成功，处理业务
try {
try {
Thread.sleep(8000);
} catch (InterruptedException e) {
//
}
System.out.println("执行简单方法1 , 当前线程:" + Thread.currentThread().getName());
} finally {
//释放锁
lockTemplate.releaseLock(lockInfo);
}
//结束
}
@Override
@Lock4j(executor = RedissonLockExecutor.class,keys = {"#key"})
public void testLock4j(String key) {
System.out.println("start:"+key+",time:"+LocalTime.now().toString());
try {
Thread.sleep(10000);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println("end :"+key+",time:"+LocalTime.now().toString());
}
@Override
public TestDemoVo queryById(Long id) {
return getVoById(id, TestDemoVo.class);