| import java.util.*; |
| import java.util.concurrent.TimeUnit; |
| |
| @SuppressWarnings(value = { "unchecked", "rawtypes" }) |
| @Component |
| public class RedisCache |
| { |
| @Autowired |
| public RedisTemplate redisTemplate; |
| |
| |
| * 缓存基本的对象,Integer、String、实体类等 |
| * |
| * @param key 缓存的键值 |
| * @param value 缓存的值 |
| */ |
| public <T> void setCacheObject(final String key, final T value) |
| { |
| redisTemplate.opsForValue().set(key, value); |
| } |
| |
| |
| * 缓存基本的对象,Integer、String、实体类等 |
| * |
| * @param key 缓存的键值 |
| * @param value 缓存的值 |
| * @param timeout 时间 |
| * @param timeUnit 时间颗粒度 |
| */ |
| public <T> void setCacheObject(final String key, final T value, final Integer timeout, final TimeUnit timeUnit) |
| { |
| redisTemplate.opsForValue().set(key, value, timeout, timeUnit); |
| } |
| |
| |
| * 设置有效时间 |
| * |
| * @param key Redis 键 |
| * @param timeout 超时时间 |
| * @return true = 设置成功;false = 设置失败 |
| */ |
| public boolean expire(final String key, final long timeout) |
| { |
| return expire(key, timeout, TimeUnit.SECONDS); |
| } |
| |
| |
| * 设置有效时间 |
| * |
| * @param key Redis 键 |
| * @param timeout 超时时间 |
| * @param unit 时间单位 |
| * @return true = 设置成功;false = 设置失败 |
| */ |
| public boolean expire(final String key, final long timeout, final TimeUnit unit) |
| { |
| return redisTemplate.expire(key, timeout, unit); |
| } |
| |
| |
| * 获得缓存的基本对象。 |
| * |
| * @param key 缓存键值 |
| * @return 缓存键值对应的数据 |
| */ |
| public <T> T getCacheObject(final String key) |
| { |
| ValueOperations<String, T> operation = redisTemplate.opsForValue(); |
| return operation.get(key); |
| } |
| |
| |
| * 删除单个对象 |
| * |
| * @param key |
| */ |
| public boolean deleteObject(final String key) |
| { |
| return redisTemplate.delete(key); |
| } |
| |
| |
| * 删除集合对象 |
| * |
| * @param collection 多个对象 |
| * @return |
| */ |
| public long deleteObject(final Collection collection) |
| { |
| return redisTemplate.delete(collection); |
| } |
| |
| |
| * 缓存 List 数据 |
| * |
| * @param key 缓存的键值 |
| * @param dataList 待缓存的 List 数据 |
| * @return 缓存的对象 |
| */ |
| public <T> long setCacheList(final String key, final List<T> dataList) |
| { |
| Long count = redisTemplate.opsForList().rightPushAll(key, dataList); |
| return count == null ? 0 : count; |
| } |
| |
| |
| * 获得缓存的 list 对象 |
| * |
| * @param key 缓存的键值 |
| * @return 缓存键值对应的数据 |
| */ |
| public <T> List<T> getCacheList(final String key) |
| { |
| return redisTemplate.opsForList().range(key, 0, -1); |
| } |
| |
| |
| * 缓存 Set |
| * |
| * @param key 缓存键值 |
| * @param dataSet 缓存的数据 |
| * @return 缓存数据的对象 |
| */ |
| public <T> BoundSetOperations<String, T> setCacheSet(final String key, final Set<T> dataSet) |
| { |
| BoundSetOperations<String, T> setOperation = redisTemplate.boundSetOps(key); |
| Iterator<T> it = dataSet.iterator(); |
| while (it.hasNext()) |
| { |
| setOperation.add(it.next()); |
| } |
| return setOperation; |
| } |
| |
| |
| * 获得缓存的 set |
| * |
| * @param key |
| * @return |
| */ |
| public <T> Set<T> getCacheSet(final String key) |
| { |
| return redisTemplate.opsForSet().members(key); |
| } |
| |
| |
| * 缓存 Map |
| * |
| * @param key |
| * @param dataMap |
| */ |
| public <T> void setCacheMap(final String key, final Map<String, T> dataMap) |
| { |
| if (dataMap != null) { |
| redisTemplate.opsForHash().putAll(key, dataMap); |
| } |
| } |
| |
| |
| * 获得缓存的 Map |
| * |
| * @param key |
| * @return |
| */ |
| public <T> Map<String, T> getCacheMap(final String key) |
| { |
| return redisTemplate.opsForHash().entries(key); |
| } |
| |
| |
| * 往 Hash 中存入数据 |
| * |
| * @param key Redis 键 |
| * @param hKey Hash 键 |
| * @param value 值 |
| */ |
| public <T> void setCacheMapValue(final String key, final String hKey, final T value) |
| { |
| redisTemplate.opsForHash().put(key, hKey, value); |
| } |
| |
| |
| * 获取 Hash 中的数据 |
| * |
| * @param key Redis 键 |
| * @param hKey Hash 键 |
| * @return Hash 中的对象 |
| */ |
| public <T> T getCacheMapValue(final String key, final String hKey) |
| { |
| HashOperations<String, String, T> opsForHash = redisTemplate.opsForHash(); |
| return opsForHash.get(key, hKey); |
| } |
| |
| |
| * 删除 Hash 中的数据 |
| * |
| * @param key |
| * @param hkey |
| */ |
| public void delCacheMapValue(final String key, final String hkey) |
| { |
| HashOperations hashOperations = redisTemplate.opsForHash(); |
| hashOperations.delete(key, hkey); |
| } |
| |
| |
| * 获取多个 Hash 中的数据 |
| * |
| * @param key Redis 键 |
| * @param hKeys Hash 键集合 |
| * @return Hash 对象集合 |
| */ |
| public <T> List<T> getMultiCacheMapValue(final String key, final Collection<Object> hKeys) |
| { |
| return redisTemplate.opsForHash().multiGet(key, hKeys); |
| } |
| |
| |
| * 获得缓存的基本对象列表 |
| * |
| * @param pattern 字符串前缀 |
| * @return 对象列表 |
| */ |
| public Collection<String> keys(final String pattern) |
| { |
| return redisTemplate.keys(pattern); |
| } |
| } |