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[重磅更新] 增加 轻量级 分布式队列 支持

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疯狂的狮子li
2021-12-23 14:52:48 +08:00
parent ed659da488
commit 08e0ed4fc6
7 changed files with 498 additions and 0 deletions
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83
ruoyi-demo/src/main/java/com/ruoyi/demo/controller/queue/BoundedQueueController.java Normal file
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package com.ruoyi.demo.controller.queue;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.utils.redis.QueueUtils;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
/**
* 有界队列 演示案例
* <p>
* 轻量级队列 重量级数据量 请使用 MQ
* <p>
* 集群测试通过 同一个数据只会被消费一次 做好事务补偿
* 集群测试流程 在其中一台发送数据 两端分别调用获取接口 一次获取一条
*
* @author Lion Li
* @version 3.6.0
*/
@Slf4j
@Api(value = "有界队列 演示案例", tags = {"有界队列"})
@RequiredArgsConstructor(onConstructor_ = @Autowired)
@RestController
@RequestMapping("/demo/queue/bounded")
public class BoundedQueueController {
@ApiOperation("添加队列数据")
@GetMapping("/add")
public AjaxResult<Void> add(@ApiParam("队列名") String queueName,
@ApiParam("容量") int capacity) {
// 用完了一定要销毁 否则会一直存在
boolean b = QueueUtils.destroyBoundedQueueObject(queueName);
log.info("通道: {} , 删除: {}", queueName, b);
// 初始化设置一次即可
if (QueueUtils.trySetBoundedQueueCapacity(queueName, capacity)) {
log.info("通道: {} , 设置容量: {}", queueName, capacity);
} else {
log.info("通道: {} , 设置容量失败", queueName);
return AjaxResult.error("操作失败");
}
for (int i = 0; i < 11; i++) {
String data = "data-" + i;
boolean flag = QueueUtils.addBoundedQueueObject(queueName, data);
if (flag == false) {
log.info("通道: {} , 发送数据: {} 失败, 通道已满", queueName, data);
} else {
log.info("通道: {} , 发送数据: {}", queueName, data);
}
}
return AjaxResult.success("操作成功");
}
@ApiOperation("删除队列数据")
@GetMapping("/remove")
public AjaxResult<Void> remove(@ApiParam("队列名") String queueName) {
String data = "data-" + 5;
if (QueueUtils.removeBoundedQueueObject(queueName, data)) {
log.info("通道: {} , 删除数据: {}", queueName, data);
} else {
return AjaxResult.error("操作失败");
}
return AjaxResult.success("操作成功");
}
@ApiOperation("获取队列数据")
@GetMapping("/get")
public AjaxResult<Void> get(@ApiParam("队列名") String queueName) {
String data;
do {
data = QueueUtils.getBoundedQueueObject(queueName);
log.info("通道: {} , 获取数据: {}", queueName, data);
} while (data != null);
return AjaxResult.success("操作成功");
}
}

79
ruoyi-demo/src/main/java/com/ruoyi/demo/controller/queue/DelayedQueueController.java Normal file
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package com.ruoyi.demo.controller.queue;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.utils.redis.QueueUtils;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.concurrent.TimeUnit;
/**
* 延迟队列 演示案例
* <p>
* 轻量级队列 重量级数据量 请使用 MQ
* 例如: 创建订单30分钟后过期处理
* <p>
* 集群测试通过 同一个数据只会被消费一次 做好事务补偿
* 集群测试流程 两台集群分别开启订阅 在其中一台发送数据 观察接收消息的规律
*
* @author Lion Li
* @version 3.6.0
*/
@Slf4j
@Api(value = "延迟队列 演示案例", tags = {"延迟队列"})
@RequiredArgsConstructor(onConstructor_ = @Autowired)
@RestController
@RequestMapping("/demo/queue/delayed")
public class DelayedQueueController {
@ApiOperation("订阅队列")
@GetMapping("/subscribe")
public AjaxResult<Void> subscribe(@ApiParam("队列名") String queueName) {
log.info("通道: {} 监听中......", queueName);
// 项目初始化设置一次即可
QueueUtils.subscribeBlockingQueue(queueName, (String orderNum) -> {
// 观察接收时间
log.info("通道: {}, 收到数据: {}", queueName, orderNum);
});
return AjaxResult.success("操作成功");
}
@ApiOperation("添加队列数据")
@GetMapping("/add")
public AjaxResult<Void> add(@ApiParam("队列名") String queueName,
@ApiParam("订单号") String orderNum,
@ApiParam("延迟时间(秒)") Long time) {
QueueUtils.addDelayedQueueObject(queueName, orderNum, time, TimeUnit.SECONDS);
// 观察发送时间
log.info("通道: {} , 发送数据: {}", queueName, orderNum);
return AjaxResult.success("操作成功");
}
@ApiOperation("删除队列数据")
@GetMapping("/remove")
public AjaxResult<Void> remove(@ApiParam("队列名") String queueName,
@ApiParam("订单号") String orderNum) {
if (QueueUtils.removeDelayedQueueObject(queueName, orderNum)) {
log.info("通道: {} , 删除数据: {}", queueName, orderNum);
} else {
return AjaxResult.error("操作失败");
}
return AjaxResult.success("操作成功");
}
@ApiOperation("销毁队列")
@GetMapping("/destroy")
public AjaxResult<Void> destroy(@ApiParam("队列名") String queueName) {
// 用完了一定要销毁 否则会一直存在
QueueUtils.destroyDelayedQueue(queueName);
return AjaxResult.success("操作成功");
}
}

19
ruoyi-demo/src/main/java/com/ruoyi/demo/controller/queue/PriorityDemo.java Normal file
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package com.ruoyi.demo.controller.queue;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.experimental.Accessors;
/**
* 实体类 注意不允许使用内部类 否则会找不到类
*
* @author Lion Li
* @version 3.6.0
*/
@Data
@Accessors(chain = true)
@NoArgsConstructor
public class PriorityDemo {
private String name;
private Integer orderNum;
}

16
ruoyi-demo/src/main/java/com/ruoyi/demo/controller/queue/PriorityDemoComparator.java Normal file
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package com.ruoyi.demo.controller.queue;
import java.util.Comparator;
/**
* 比较器 注意不允许使用 内部类或匿名类或lambda表达式 会找不到类
*
* @author Lion Li
* @version 3.6.0
*/
public class PriorityDemoComparator implements Comparator<PriorityDemo> {
@Override
public int compare(PriorityDemo pd1, PriorityDemo pd2) {
return Integer.compare(pd1.getOrderNum(), pd2.getOrderNum());
}
}

85
ruoyi-demo/src/main/java/com/ruoyi/demo/controller/queue/PriorityQueueController.java Normal file
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package com.ruoyi.demo.controller.queue;
import cn.hutool.core.util.RandomUtil;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.utils.redis.QueueUtils;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
/**
* 优先队列 演示案例
* <p>
* 轻量级队列 重量级数据量 请使用 MQ
* <p>
* 集群测试通过 同一个消息只会被消费一次 做好事务补偿
* 集群测试流程 在其中一台发送数据 两端分别调用获取接口 一次获取一条
*
* @author Lion Li
* @version 3.6.0
*/
@Slf4j
@Api(value = "优先队列 演示案例", tags = {"优先队列"})
@RequiredArgsConstructor(onConstructor_ = @Autowired)
@RestController
@RequestMapping("/demo/queue/priority")
public class PriorityQueueController {
@ApiOperation("添加队列数据")
@GetMapping("/add")
public AjaxResult<Void> add(@ApiParam("队列名") String queueName) {
// 用完了一定要销毁 否则会一直存在
boolean b = QueueUtils.destroyPriorityQueueObject(queueName);
log.info("通道: {} , 删除: {}", queueName, b);
// 初始化设置一次即可 此处注意 不允许用内部类或匿名类
boolean flag = QueueUtils.trySetPriorityQueueComparator(queueName, new PriorityDemoComparator());
if (flag) {
log.info("通道: {} , 设置比较器成功", queueName);
} else {
log.info("通道: {} , 设置比较器失败", queueName);
return AjaxResult.error("操作失败");
}
for (int i = 0; i < 10; i++) {
int randomNum = RandomUtil.randomInt(10);
PriorityDemo data = new PriorityDemo().setName("data-" + i).setOrderNum(randomNum);
if (QueueUtils.addPriorityQueueObject(queueName, data)) {
log.info("通道: {} , 发送数据: {}", queueName, data);
} else {
log.info("通道: {} , 发送数据: {}, 发送失败", queueName, data);
}
}
return AjaxResult.success("操作成功");
}
@ApiOperation("删除队列数据")
@GetMapping("/remove")
public AjaxResult<Void> remove(@ApiParam("队列名") String queueName,
@ApiParam("对象名") String name,
@ApiParam("排序号") Integer orderNum) {
PriorityDemo data = new PriorityDemo().setName(name).setOrderNum(orderNum);
if (QueueUtils.removePriorityQueueObject(queueName, data)) {
log.info("通道: {} , 删除数据: {}", queueName, data);
} else {
return AjaxResult.error("操作失败");
}
return AjaxResult.success("操作成功");
}
@ApiOperation("获取队列数据")
@GetMapping("/get")
public AjaxResult<Void> get(@ApiParam("队列名") String queueName) {
PriorityDemo data;
do {
data = QueueUtils.getPriorityQueueObject(queueName);
log.info("通道: {} , 获取数据: {}", queueName, data);
} while (data != null);
return AjaxResult.success("操作成功");
}
}