com.jn.agileway.redis.counter.HashedDistributedCounter Maven / Gradle / Ivy

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Provides a large number of convenient redis tools: distributed locks, distributed count, distributed cache, distributed id generator, jdk collection implements, the enhanced RedisTemplate based on a specified key prefix and the agileway-codec module

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package com.jn.agileway.redis.counter;

import com.jn.agileway.redis.core.RedisTemplate;

public class HashedDistributedCounter implements DistributedCounter {
    private RedisTemplate redisTemplate;
    private String key;
    private String counterKey; // the key in a hash

    public HashedDistributedCounter(RedisTemplate redisTemplate, String key, String counterKey){
        setRedisTemplate(redisTemplate);
        setKey(key);
        setCounterKey(counterKey);
    }

    @Override
    public Long increment() {
        return this.redisTemplate.opsForHash().increment(this.key, counterKey,1);
    }

    @Override
    public Long increment(Long aLong) {
        return this.redisTemplate.opsForHash().increment(this.key, counterKey, aLong);
    }

    @Override
    public Long decrement() {
        return this.redisTemplate.opsForHash().increment(this.key, counterKey, -1);
    }

    @Override
    public Long decrement(Long aLong) {
        return this.redisTemplate.opsForHash().increment(this.key, counterKey, -aLong);
    }

    public Long getAndIncrement() {
        return getAndIncrement(1L);
    }

    public Long getAndIncrement(Long delta) {
        Long ret = get();
        increment(delta);
        return ret;
    }

    @Override
    public Long get() {
        return (Long)this.redisTemplate.opsForHash().get(this.key, counterKey);
    }

    @Override
    public void set(Long aLong) {
        this.redisTemplate.opsForHash().put(this.key, counterKey, aLong);
    }

    @Override
    public void clear() {
        this.redisTemplate.opsForHash().delete(this.key, counterKey);
    }

    @Override
    public RedisTemplate getRedisTemplate() {
        return this.redisTemplate;
    }

    @Override
    public void setRedisTemplate(RedisTemplate redisTemplate) {
        this.redisTemplate = redisTemplate;
    }

    @Override
    public String getCounterKey() {
        return this.counterKey;
    }

    @Override
    public void setCounterKey(String key) {
        this.counterKey = key;
    }

    @Override
    public String getKey() {
        return this.key;
    }

    @Override
    public void setKey(String key) {
        this.key = key;
    }
}