From 9c5c6c6be767feba9a8d92b7c8a85a32125854dd Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Mon, 18 Oct 2021 10:59:56 +0800
Subject: [PATCH] 优化获取缓存信息方式

---
 ruoyi-common/ruoyi-common-redis/src/main/java/com/ruoyi/common/redis/service/RedisService.java |   35 ++++++++++++++++++++++++++++++++---
 1 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/ruoyi-common/ruoyi-common-redis/src/main/java/com/ruoyi/common/redis/service/RedisService.java b/ruoyi-common/ruoyi-common-redis/src/main/java/com/ruoyi/common/redis/service/RedisService.java
index df91877..82efb9b 100644
--- a/ruoyi-common/ruoyi-common-redis/src/main/java/com/ruoyi/common/redis/service/RedisService.java
+++ b/ruoyi-common/ruoyi-common-redis/src/main/java/com/ruoyi/common/redis/service/RedisService.java
@@ -1,11 +1,13 @@
 package com.ruoyi.common.redis.service;
 
 import java.util.Collection;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.TimeUnit;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.BoundSetOperations;
 import org.springframework.data.redis.core.HashOperations;
 import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.data.redis.core.ValueOperations;
@@ -73,6 +75,28 @@
     }
 
     /**
+     * 获取有效时间
+     *
+     * @param key Redis键
+     * @return 有效时间
+     */
+    public long getExpire(final String key)
+    {
+        return redisTemplate.getExpire(key);
+    }
+
+    /**
+     * 判断 key是否存在
+     *
+     * @param key 键
+     * @return true 存在 false不存在
+     */
+    public Boolean hasKey(String key)
+    {
+        return redisTemplate.hasKey(key);
+    }
+
+    /**
      * 获得缓存的基本对象。
      *
      * @param key 缓存键值
@@ -136,10 +160,15 @@
      * @param dataSet 缓存的数据
      * @return 缓存数据的对象
      */
-    public <T> long setCacheSet(final String key, final Set<T> dataSet)
+    public <T> BoundSetOperations<String, T> setCacheSet(final String key, final Set<T> dataSet)
     {
-        Long count = redisTemplate.opsForSet().add(key, dataSet);
-        return count == null ? 0 : count;
+        BoundSetOperations<String, T> setOperation = redisTemplate.boundSetOps(key);
+        Iterator<T> it = dataSet.iterator();
+        while (it.hasNext())
+        {
+            setOperation.add(it.next());
+        }
+        return setOperation;
     }
 
     /**

--
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