springbootredisTemplate简单锁简记

• Z时代
• 2024-01-10
• 分类：综合

当spring boot集成redis但是又未引入jedis时，简单锁写法如上

当spring boot集成redis同时又引入了jedis时，简单锁写法如下

    @Autowired
    private RedisTemplate<String, Object> redisTemplate;
/**
     * 简单锁 10s
     */
    @SuppressWarnings("ConstantConditions")
    private boolean sampleLock(String lockName){
        return redisTemplate.execute((RedisCallback<Boolean>) redisConnection -> {
            RedisSerializer valueSerializer = redisTemplate.getValueSerializer();
            RedisSerializer keySerializer = redisTemplate.getKeySerializer();
            Object obj = connection.execute("set", 
                                keySerializer.serialize(key), 
                                valueSerializer.serialize(value),
                                SafeEncoder.encode("NX"), 
                                SafeEncoder.encode("EX"), 
                                Protocol.toByteArray(exptime));
            return obj != null;
        });
    }
    private byte[] getBytes(String obj){
        return obj.getBytes(StandardCharsets.UTF_8);
    }

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