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@@ -1,11 +1,5 @@
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package com.ruoyi.common.core.redis;
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-import java.util.Collection;
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-import java.util.Iterator;
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-import java.util.List;
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-import java.util.Map;
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-import java.util.Set;
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-import java.util.concurrent.TimeUnit;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.redis.core.BoundSetOperations;
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import org.springframework.data.redis.core.HashOperations;
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@@ -13,64 +7,66 @@ import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.data.redis.core.ValueOperations;
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import org.springframework.stereotype.Component;
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+import java.util.Collection;
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+import java.util.Iterator;
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+import java.util.List;
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+import java.util.Map;
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+import java.util.Set;
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+import java.util.concurrent.TimeUnit;
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+
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/**
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* spring redis 工具类
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*
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* @author ruoyi
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**/
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-@SuppressWarnings(value = { "unchecked", "rawtypes" })
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+@SuppressWarnings(value = {"unchecked", "rawtypes"})
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@Component
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-public class RedisCache
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-{
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+public class RedisCache {
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@Autowired
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public RedisTemplate redisTemplate;
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/**
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* 缓存基本的对象,Integer、String、实体类等
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*
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- * @param key 缓存的键值
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+ * @param key 缓存的键值
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* @param value 缓存的值
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*/
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- public <T> void setCacheObject(final String key, final T value)
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- {
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+ public <T> void setCacheObject(final String key, final T value) {
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redisTemplate.opsForValue().set(key, value);
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}
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/**
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* 缓存基本的对象,Integer、String、实体类等
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*
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- * @param key 缓存的键值
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- * @param value 缓存的值
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- * @param timeout 时间
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+ * @param key 缓存的键值
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+ * @param value 缓存的值
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+ * @param timeout 时间
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* @param timeUnit 时间颗粒度
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*/
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- public <T> void setCacheObject(final String key, final T value, final Integer timeout, final TimeUnit timeUnit)
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- {
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+ public <T> void setCacheObject(final String key, final T value, final Integer timeout, final TimeUnit timeUnit) {
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redisTemplate.opsForValue().set(key, value, timeout, timeUnit);
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}
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/**
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* 设置有效时间
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*
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- * @param key Redis键
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+ * @param key Redis键
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* @param timeout 超时时间
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* @return true=设置成功;false=设置失败
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*/
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- public boolean expire(final String key, final long timeout)
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- {
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+ public boolean expire(final String key, final long timeout) {
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return expire(key, timeout, TimeUnit.SECONDS);
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}
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/**
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* 设置有效时间
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*
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- * @param key Redis键
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+ * @param key Redis键
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* @param timeout 超时时间
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- * @param unit 时间单位
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+ * @param unit 时间单位
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* @return true=设置成功;false=设置失败
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*/
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- public boolean expire(final String key, final long timeout, final TimeUnit unit)
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- {
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+ public boolean expire(final String key, final long timeout, final TimeUnit unit) {
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return redisTemplate.expire(key, timeout, unit);
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}
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@@ -80,8 +76,7 @@ public class RedisCache
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* @param key 缓存键值
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* @return 缓存键值对应的数据
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*/
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- public <T> T getCacheObject(final String key)
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- {
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+ public <T> T getCacheObject(final String key) {
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ValueOperations<String, T> operation = redisTemplate.opsForValue();
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return operation.get(key);
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}
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@@ -91,8 +86,7 @@ public class RedisCache
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*
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* @param key
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*/
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- public boolean deleteObject(final String key)
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- {
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+ public boolean deleteObject(final String key) {
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return redisTemplate.delete(key);
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}
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@@ -102,20 +96,18 @@ public class RedisCache
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* @param collection 多个对象
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* @return
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*/
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- public long deleteObject(final Collection collection)
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- {
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+ public long deleteObject(final Collection collection) {
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return redisTemplate.delete(collection);
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}
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/**
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* 缓存List数据
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*
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- * @param key 缓存的键值
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+ * @param key 缓存的键值
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* @param dataList 待缓存的List数据
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* @return 缓存的对象
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*/
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- public <T> long setCacheList(final String key, final List<T> dataList)
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- {
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+ public <T> long setCacheList(final String key, final List<T> dataList) {
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Long count = redisTemplate.opsForList().rightPushAll(key, dataList);
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return count == null ? 0 : count;
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}
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@@ -126,24 +118,21 @@ public class RedisCache
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* @param key 缓存的键值
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* @return 缓存键值对应的数据
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*/
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- public <T> List<T> getCacheList(final String key)
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- {
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+ public <T> List<T> getCacheList(final String key) {
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return redisTemplate.opsForList().range(key, 0, -1);
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}
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/**
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* 缓存Set
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*
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- * @param key 缓存键值
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+ * @param key 缓存键值
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* @param dataSet 缓存的数据
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* @return 缓存数据的对象
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*/
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- public <T> BoundSetOperations<String, T> setCacheSet(final String key, final Set<T> dataSet)
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- {
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+ public <T> BoundSetOperations<String, T> setCacheSet(final String key, final Set<T> dataSet) {
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BoundSetOperations<String, T> setOperation = redisTemplate.boundSetOps(key);
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Iterator<T> it = dataSet.iterator();
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- while (it.hasNext())
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- {
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+ while (it.hasNext()) {
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setOperation.add(it.next());
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}
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return setOperation;
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@@ -155,8 +144,7 @@ public class RedisCache
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* @param key
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* @return
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*/
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- public <T> Set<T> getCacheSet(final String key)
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- {
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+ public <T> Set<T> getCacheSet(final String key) {
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return redisTemplate.opsForSet().members(key);
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}
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@@ -166,8 +154,7 @@ public class RedisCache
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* @param key
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* @param dataMap
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*/
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- public <T> void setCacheMap(final String key, final Map<String, T> dataMap)
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- {
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+ public <T> void setCacheMap(final String key, final Map<String, T> dataMap) {
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if (dataMap != null) {
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redisTemplate.opsForHash().putAll(key, dataMap);
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}
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@@ -179,44 +166,40 @@ public class RedisCache
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* @param key
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* @return
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*/
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- public <T> Map<String, T> getCacheMap(final String key)
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- {
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+ public <T> Map<String, T> getCacheMap(final String key) {
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return redisTemplate.opsForHash().entries(key);
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}
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/**
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* 往Hash中存入数据
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*
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- * @param key Redis键
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- * @param hKey Hash键
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+ * @param key Redis键
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+ * @param hKey Hash键
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* @param value 值
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*/
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- public <T> void setCacheMapValue(final String key, final String hKey, final T value)
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- {
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+ public <T> void setCacheMapValue(final String key, final String hKey, final T value) {
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redisTemplate.opsForHash().put(key, hKey, value);
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}
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/**
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* 获取Hash中的数据
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*
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- * @param key Redis键
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+ * @param key Redis键
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* @param hKey Hash键
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* @return Hash中的对象
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*/
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- public <T> T getCacheMapValue(final String key, final String hKey)
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- {
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+ public <T> T getCacheMapValue(final String key, final String hKey) {
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HashOperations<String, String, T> opsForHash = redisTemplate.opsForHash();
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return opsForHash.get(key, hKey);
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}
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/**
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* 删除Hash中的数据
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- *
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+ *
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* @param key
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* @param mapkey
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*/
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- public void delCacheMapValue(final String key, final String hkey)
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- {
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+ public void delCacheMapValue(final String key, final String hkey) {
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HashOperations hashOperations = redisTemplate.opsForHash();
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hashOperations.delete(key, hkey);
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}
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@@ -224,12 +207,11 @@ public class RedisCache
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/**
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* 获取多个Hash中的数据
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*
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- * @param key Redis键
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+ * @param key Redis键
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* @param hKeys Hash键集合
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* @return Hash对象集合
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*/
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- public <T> List<T> getMultiCacheMapValue(final String key, final Collection<Object> hKeys)
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- {
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+ public <T> List<T> getMultiCacheMapValue(final String key, final Collection<Object> hKeys) {
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return redisTemplate.opsForHash().multiGet(key, hKeys);
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}
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@@ -239,8 +221,36 @@ public class RedisCache
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* @param pattern 字符串前缀
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* @return 对象列表
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*/
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- public Collection<String> keys(final String pattern)
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- {
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+ public Collection<String> keys(final String pattern) {
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return redisTemplate.keys(pattern);
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}
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+
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+ /**
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+ * 递增
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+ *
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+ * @param key 键
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+ * @param delta 要增加几(大于0)
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+ * @return
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+ */
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+ public long incr(String key, long delta) {
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+ if (delta < 0) {
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+ throw new RuntimeException("递增因子必须大于0");
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+ }
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+ return redisTemplate.opsForValue().increment(key, delta);
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+ }
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+
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+ /**
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+ * 判断key是否存在
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+ *
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+ * @param key 键
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+ * @return true 存在 false不存在
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+ */
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+ public boolean hasKey(String key) {
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+ try {
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+ return redisTemplate.hasKey(key);
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+ } catch (Exception e) {
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+ e.printStackTrace();
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+ return false;
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+ }
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+ }
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}
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