/// <summary>
/// 按高低位两个数字组合范围取出SortedSet中的ID
/// </summary>
/// <param name="setId">Key的二进制</param>
/// <param name="h">返回的高位</param>
/// <param name="l">返回的低位</param>
/// <returns>true表示成功取到值</returns>
/// <remarks>l或h值如果大于0xFFFFFF将被截断</remarks>>
public List <long> ZRangeByScore(byte[] setId, long h, long l)
{
var vl = string.Concat(h & 0xFFFFFF, '.', l & 0xFFFFFF).ToUtf8Bytes();
var command = new[] { Commands.ZRangeByScore, setId, vl, vl };
var bytes = this.SendExpectMultiData(command);
if (bytes == null || bytes.Length == 0)
{
return(new List <long>());
}
return(bytes.Select(bf => bf.Length == 4 ? ByteCommond.BytesToInt(bf) : ByteCommond.BytesToLong(bf)).ToList());
}
/// <summary>
/// 读取SortedSet的分值(高低位两个数字)
/// </summary>
/// <param name="setId">Key的二进制</param>
/// <param name="dataId">Id的二进制</param>
/// <param name="h">返回的高位</param>
/// <param name="l">返回的低位</param>
/// <returns>true表示成功取到值</returns>
public bool ZScore(byte[] setId, byte[] dataId, out int h, out int l)
{
if (setId == null)
{
throw new ArgumentNullException("setId");
}
var command = new[] { Commands.ZScore, setId, dataId };
h = 0;
if (!this.SendCommand(command))
{
Status = -1;
LastError = string.Join(" ", "ZScore", Encoding.UTF8.GetString(setId), ByteCommond.BytesToLong(dataId));
l = 0;
return(false);
}
var line = ReadSingleLine();
if (line.type != 2)
{
Status = 2;
l = 0;
return(false);
}
StringBuilder sb = new StringBuilder();
foreach (char by in line.bValue)
{
if (by == '.')
{
h = int.Parse(sb.ToString());
sb.Clear();
}
else
{
sb.Append(by);
}
}
l = int.Parse(sb.ToString());
return(true);
}
