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| package com.szx.edu.utils.redisUtil;
import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.redis.core.ListOperations; import org.springframework.data.redis.core.RedisTemplate; import org.springframework.data.redis.core.SetOperations; import org.springframework.data.redis.core.ValueOperations; import org.springframework.stereotype.Service;
import java.util.List; import java.util.Set; import java.util.concurrent.TimeUnit;
@Service public class RedisServiceImpl implements RedisService {
private final Logger log = LoggerFactory.getLogger(this.getClass());
private static final String KEY_PREFIX_KEY = "info:bear:key"; private static final String KEY_PREFIX_SET = "info:bear:set"; private static final String KEY_PREFIX_LIST = "info:bear:list";
private final RedisTemplate<String, String> redisTemplate;
@Autowired public RedisServiceImpl(RedisTemplate<String, String> redisTemplate) { this.redisTemplate = redisTemplate; }
@Override public boolean cacheValue(String k, String v, long time) { try { String key = KEY_PREFIX_KEY + k; ValueOperations<String, String> ops = redisTemplate.opsForValue(); ops.set(key, v); if (time > 0) { redisTemplate.expire(key, time, TimeUnit.SECONDS); } return true; } catch (Throwable e) { log.error("缓存存入失败key:[{}] value:[{}]", k, v); } return false; }
@Override public boolean cacheValue(String key, String value) { return cacheValue(key, value, -1); }
@Override public boolean containsValueKey(String key) { return containsKey(KEY_PREFIX_KEY + key); }
@Override public boolean containsSetKey(String key) { return containsKey(KEY_PREFIX_SET + key); }
@Override public boolean containsListKey(String key) { return containsKey(KEY_PREFIX_LIST + key); }
@Override public boolean containsKey(String key) { try { return redisTemplate.hasKey(key); } catch (Throwable e) { log.error("判断缓存存在失败key:[" + key + "],错误信息 Codeor[{}]", e); } return false; }
@Override public String getValue(String key) { try { ValueOperations<String, String> ops = redisTemplate.opsForValue(); return ops.get(KEY_PREFIX_KEY + key); } catch (Throwable e) { log.error("根据 key 获取缓存失败,当前key:[{}],失败原因 Codeor:[{}]", key, e); } return null; }
@Override public boolean cacheSet(String k, String v, long time) { try { String key = KEY_PREFIX_SET + k; SetOperations<String, String> opsForSet = redisTemplate.opsForSet(); opsForSet.add(key, v); if (time > 0) { redisTemplate.expire(key, time, TimeUnit.SECONDS); } return true; } catch (Throwable e) { log.error("缓存 set 失败 当前 key:[{}] 失败原因 [{}]", k, e); } return false; }
@Override public boolean cacheSet(String key, String value) { return cacheSet(key, value, -1); }
@Override public boolean cacheSet(String k, Set<String> v, long time) { try { String key = KEY_PREFIX_SET + k; SetOperations<String, String> opsForSet = redisTemplate.opsForSet(); opsForSet.add(key, v.toArray(new String[v.size()])); if (time > 0){ redisTemplate.expire(key,time,TimeUnit.SECONDS); } return true; } catch (Throwable e) { log.error("缓存 set 失败 当前 key:[{}],失败原因 [{}]", k, e); } return false; }
@Override public boolean cacheSet(String k, Set<String> v) { return cacheSet(k,v,-1); }
@Override public Set<String> getSet(String k) { try { String key = KEY_PREFIX_SET + k; SetOperations<String, String> opsForSet = redisTemplate.opsForSet(); return opsForSet.members(key); }catch (Throwable e){ log.error("获取缓存set失败 当前 key:[{}],失败原因 [{}]", k, e); } return null; }
@Override public boolean cacheList(String k, String v, long time) { try { String key = KEY_PREFIX_LIST + k; ListOperations<String, String> opsForList = redisTemplate.opsForList(); opsForList.rightPush(key,v); if (time > 0){ redisTemplate.expire(key,time,TimeUnit.SECONDS); } return true; }catch (Throwable e){ log.error("缓存list失败 当前 key:[{}],失败原因 [{}]", k, e); } return false; }
@Override public boolean cacheList(String k, String v) { return cacheList(k,v,-1); }
@Override public boolean cacheList(String k, List<String> v, long time) { try { String key = KEY_PREFIX_LIST + k; ListOperations<String, String> opsForList = redisTemplate.opsForList(); opsForList.rightPushAll(key,v); if (time > 0){ redisTemplate.expire(key,time,TimeUnit.SECONDS); } return true; }catch (Throwable e){ log.error("缓存list失败 当前 key:[{}],失败原因 [{}]", k, e); } return false; }
@Override public boolean cacheList(String k, List<String> v) { return cacheList(k,v,-1); }
@Override public List<String> getList(String k, long start, long end) { try { String key = KEY_PREFIX_LIST + k; ListOperations<String, String> opsForList = redisTemplate.opsForList(); return opsForList.range(key,start,end); }catch (Throwable e){ log.error("获取list缓存失败 当前 key:[{}],失败原因 [{}]", k, e); } return null; }
@Override public long getListSize(String key) { try { ListOperations<String, String> opsForList = redisTemplate.opsForList(); return opsForList.size(KEY_PREFIX_LIST + key); }catch (Throwable e){ log.error("获取list长度失败key[" + KEY_PREFIX_LIST + key + "], Codeor[" + e + "]"); } return 0; }
@Override public long getListSize(ListOperations<String, String> listOps, String k) { try { return listOps.size(k); }catch (Throwable e){ log.error("获取list长度失败key[" + KEY_PREFIX_LIST + k + "], Codeor[" + e + "]"); } return 0; }
@Override public boolean removeOneOfList(String k) { try { String key = KEY_PREFIX_LIST + k; ListOperations<String, String> opsForList = redisTemplate.opsForList(); opsForList.rightPop(key); return true; }catch (Throwable e){ log.error("移除list缓存失败 key[" + KEY_PREFIX_LIST + k + "], Codeor[" + e + "]"); } return false; }
@Override public boolean removeValue(String key) { return remove(KEY_PREFIX_KEY + key); }
@Override public boolean removeSet(String key) { return remove(KEY_PREFIX_SET + key); }
@Override public boolean removeList(String key) { return remove(KEY_PREFIX_LIST + key); }
private boolean remove(String key) { try { redisTemplate.delete(key); return true; } catch (Throwable e) { log.error("移除缓存失败 key:[{}] 失败原因 [{}]", key, e); } return false; } }
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