/// <summary>
/// Determines if all the bits are set in the bloom filter.
/// </summary>
/// <param name="key">
/// The key.
/// </param>
/// <param name="bits">
/// The bits.
/// </param>
/// <returns>
/// The <see cref="bool"/>.
/// </returns>
private static bool AllBitsSet(string key, RedisValue[] bits)
{
RedisKey[] keyArgs = { key };
RedisValue[] valueArgs = new RedisValue[bits.Length];
bits.CopyTo(valueArgs, 0);
RedisResult result = SharedCache.Instance.GetWriteConnection(key)
.GetDatabase(SharedCache.Instance.Db)
.ScriptEvaluate(BloomFilter.AllBitsSetHash, keyArgs, valueArgs);
return null != result && !result.IsNull && 1L == (long)result;
}
/// <summary>
/// Determines if all the bits are set in the bloom filter.
/// </summary>
/// <param name="key">
/// The key.
/// </param>
/// <param name="bits">
/// The bits.
/// </param>
/// <returns>
/// The <see cref="Task"/>.
/// </returns>
private static async Task<bool> AllBitsSetAsync(string key, RedisValue[] bits)
{
RedisKey[] keyArgs = { key };
RedisValue[] valueArgs = new RedisValue[bits.Length];
bits.CopyTo(valueArgs, 0);
Task<RedisResult> result = SharedCache.Instance.GetWriteConnection(key)
.GetDatabase(SharedCache.Instance.Db)
.ScriptEvaluateAsync(BloomFilter.AllBitsSetHash, keyArgs, valueArgs);
if (null == result)
{
return false;
}
RedisResult value = await result;
return !value.IsNull && 1L == (long)value;
}
/// <summary>
/// Sets bits in the bloom filter.
/// </summary>
/// <param name="key">
/// The key.
/// </param>
/// <param name="bits">
/// The bits.
/// </param>
/// <param name="value">
/// The value.
/// </param>
/// <returns>
/// The <see cref="Task"/>.
/// </returns>
private static Task SetBitsAsync(string key, RedisValue[] bits, bool value)
{
RedisKey[] keyArgs = { key };
RedisValue[] valueArgs = new RedisValue[bits.Length + 1];
valueArgs[0] = value;
bits.CopyTo(valueArgs, 1);
return SharedCache.Instance.GetWriteConnection(key)
.GetDatabase(SharedCache.Instance.Db)
.ScriptEvaluateAsync(BloomFilter.SetMultipleBitsHash, keyArgs, valueArgs);
}
