【StackExchange.Redis笔记】布隆过滤器扩展类

源码本质就是Excute执行RedisBloom指令 的封装了一下而已。

    public static class RedisBloomExtensions
    {
        public static async Task BloomReserveAsync(this IDatabaseAsync db, RedisKey key, double errorRate, int initialCapacity)
            => await db.ExecuteAsync("BF.RESERVE", key, errorRate, initialCapacity);

        public static async Task<bool> BloomAddAsync(this IDatabaseAsync db, RedisKey key, RedisValue value)
            => (bool)await db.ExecuteAsync("BF.ADD", key, value);

        public static async Task<bool[]> BloomAddAsync(this IDatabaseAsync db, RedisKey key, IEnumerable<RedisValue> values)
            => (bool[])await db.ExecuteAsync("BF.MADD", values.Cast<object>().Prepend(key).ToArray());

        public static async Task<bool> BloomExistsAsync(this IDatabaseAsync db, RedisKey key, RedisValue value)
            => (bool)await db.ExecuteAsync("BF.EXISTS", key, value);

        public static async Task<bool[]> BloomExistsAsync(this IDatabaseAsync db, RedisKey key, IEnumerable<RedisValue> values)
                => (bool[])await db.ExecuteAsync("BF.MEXISTS", values.Cast<object>().Prepend(key).ToArray());

        public static async Task TopKReserveAsync(this IDatabaseAsync db, RedisKey key, int topK, int width = 8, int depth = 7, double decay = 0.9)
            => await db.ExecuteAsync("TOPK.RESERVE", key, topK, width, depth, decay);

        public static async Task<RedisValue> TopKAddAsync(this IDatabaseAsync db, RedisKey key, RedisValue value)
            => (RedisValue)await db.ExecuteAsync("TOPK.ADD", key, value);

        public static async Task<RedisValue[]> TopKAddAsync(this IDatabaseAsync db, RedisKey key, IEnumerable<RedisValue> values)
            => (RedisValue[])await db.ExecuteAsync("TOPK.ADD", values.Cast<object>().Prepend(key).ToArray());

        public static async Task<RedisValue> TopKIncrementAsync(this IDatabaseAsync db, RedisKey key, RedisValue value, int increment)
            => (RedisValue)await db.ExecuteAsync("TOPK.INCRBY", key, value, increment);

        public static async Task<RedisValue[]> TopKIncrementAsync(this IDatabaseAsync db, RedisKey key, (RedisValue value, int increment)[] increments)
            => (RedisValue[])await db.ExecuteAsync("TOPK.INCRBY", increments.SelectMany(i => new object[] { i.value, i.increment }).Prepend(key).ToArray());

        public static async Task<RedisValue[]> TopKListAsync(this IDatabaseAsync db, RedisKey key)
            => (RedisValue[])await db.ExecuteAsync("TOPK.LIST", key);

        public static async Task<bool> TopKQueryAsync(this IDatabaseAsync db, RedisKey key, RedisValue value)
            => (bool)await db.ExecuteAsync("TOPK.QUERY", key, value);

        public static async Task<bool[]> TopKQueryAsync(this IDatabaseAsync db, RedisKey key, RedisValue[] values)
            => (bool[])await db.ExecuteAsync("TOPK.QUERY", values.Cast<object>().Prepend(key).ToArray());

        public static async Task<int> TopKCountAsync(this IDatabaseAsync db, RedisKey key, RedisValue value)
            => (int)await db.ExecuteAsync("TOPK.COUNT", key, value);

        public static async Task<int[]> TopKCountAsync(this IDatabaseAsync db, RedisKey key, RedisValue[] values)
            => (int[])await db.ExecuteAsync("TOPK.COUNT", values.Cast<object>().Prepend(key).ToArray());
    }