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fix 修复 有界队列与优先队列 错误使用问题

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疯狂的狮子Li 2023-08-19 22:58:21 +08:00
parent acfa39369e
commit c319579c0b
3 changed files with 58 additions and 6 deletions
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52
ruoyi-common/src/main/java/com/ruoyi/common/utils/redis/QueueUtils.java
View File

@ -131,6 +131,32 @@ public class QueueUtils {
return priorityBlockingQueue.offer(data);
}
/**
* 优先队列获取一个队列数据 没有数据返回 null(不支持延迟队列)
*
* @param queueName 队列名
*/
public static <T> T getPriorityQueueObject(String queueName) {
RPriorityBlockingQueue<T> queue = CLIENT.getPriorityBlockingQueue(queueName);
return queue.poll();
}
/**
* 优先队列删除队列数据(不支持延迟队列)
*/
public static <T> boolean removePriorityQueueObject(String queueName, T data) {
RPriorityBlockingQueue<T> queue = CLIENT.getPriorityBlockingQueue(queueName);
return queue.remove(data);
}
/**
* 优先队列销毁队列 所有阻塞监听 报错(不支持延迟队列)
*/
public static <T> boolean destroyPriorityQueue(String queueName) {
RPriorityBlockingQueue<T> queue = CLIENT.getPriorityBlockingQueue(queueName);
return queue.delete();
}
/**
* 尝试设置 有界队列 容量 用于限制数量
*
@ -169,6 +195,32 @@ public class QueueUtils {
return boundedBlockingQueue.offer(data);
}
/**
* 有界队列获取一个队列数据 没有数据返回 null(不支持延迟队列)
*
* @param queueName 队列名
*/
public static <T> T getBoundedQueueObject(String queueName) {
RBoundedBlockingQueue<T> queue = CLIENT.getBoundedBlockingQueue(queueName);
return queue.poll();
}
/**
* 有界队列删除队列数据(不支持延迟队列)
*/
public static <T> boolean removeBoundedQueueObject(String queueName, T data) {
RBoundedBlockingQueue<T> queue = CLIENT.getBoundedBlockingQueue(queueName);
return queue.remove(data);
}
/**
* 有界队列销毁队列 所有阻塞监听 报错(不支持延迟队列)
*/
public static <T> boolean destroyBoundedQueue(String queueName) {
RBoundedBlockingQueue<T> queue = CLIENT.getBoundedBlockingQueue(queueName);
return queue.delete();
}
/**
* 订阅阻塞队列(可订阅所有实现类 例如: 延迟 优先 有界 等)
*/

6
ruoyi-demo/src/main/java/com/ruoyi/demo/controller/queue/BoundedQueueController.java
View File

@ -35,7 +35,7 @@ public class BoundedQueueController {
@GetMapping("/add")
public R<Void> add(String queueName, int capacity) {
// 用完了一定要销毁 否则会一直存在
boolean b = QueueUtils.destroyQueue(queueName);
boolean b = QueueUtils.destroyBoundedQueue(queueName);
log.info("通道: {} , 删除: {}", queueName, b);
// 初始化设置一次即可
if (QueueUtils.trySetBoundedQueueCapacity(queueName, capacity)) {
@ -64,7 +64,7 @@ public class BoundedQueueController {
@GetMapping("/remove")
public R<Void> remove(String queueName) {
String data = "data-" + 5;
if (QueueUtils.removeQueueObject(queueName, data)) {
if (QueueUtils.removeBoundedQueueObject(queueName, data)) {
log.info("通道: {} , 删除数据: {}", queueName, data);
} else {
return R.fail("操作失败");
@ -81,7 +81,7 @@ public class BoundedQueueController {
public R<Void> get(String queueName) {
String data;
do {
data = QueueUtils.getQueueObject(queueName);
data = QueueUtils.getBoundedQueueObject(queueName);
log.info("通道: {} , 获取数据: {}", queueName, data);
} while (data != null);
return R.ok("操作成功");

6
ruoyi-demo/src/main/java/com/ruoyi/demo/controller/queue/PriorityQueueController.java
View File

@ -34,7 +34,7 @@ public class PriorityQueueController {
@GetMapping("/add")
public R<Void> add(String queueName) {
// 用完了一定要销毁 否则会一直存在
boolean b = QueueUtils.destroyQueue(queueName);
boolean b = QueueUtils.destroyPriorityQueue(queueName);
log.info("通道: {} , 删除: {}", queueName, b);
for (int i = 0; i < 10; i++) {
@ -63,7 +63,7 @@ public class PriorityQueueController {
PriorityDemo data = new PriorityDemo();
data.setName(name);
data.setOrderNum(orderNum);
if (QueueUtils.removeQueueObject(queueName, data)) {
if (QueueUtils.removePriorityQueueObject(queueName, data)) {
log.info("通道: {} , 删除数据: {}", queueName, data);
} else {
return R.fail("操作失败");
@ -80,7 +80,7 @@ public class PriorityQueueController {
public R<Void> get(String queueName) {
PriorityDemo data;
do {
data = QueueUtils.getQueueObject(queueName);
data = QueueUtils.getPriorityQueueObject(queueName);
log.info("通道: {} , 获取数据: {}", queueName, data);
} while (data != null);
return R.ok("操作成功");