public static CodeId FromCode(string code)
{
code = code.Replace("\r\n", "\n").Trim();
var md5bin = new MD5Cng().ComputeHash(Encoding.UTF8.GetBytes(code));
var id = new CodeId
{
PartitionKey = string.Format("{0:X2}", md5bin.First()).Substring(0, 1),
RowKey = Convert.ToBase64String(md5bin).Replace('+', '-').Replace('/', '_').TrimEnd('=')
};
return id;
}
public static CodeId FromRowKey(string rowKey)
{
var base64str = rowKey.Replace('-', '+').Replace('_', '/');
var paddingLen = 4 - base64str.Length % 4;
if (paddingLen < 4) base64str += new string('=', paddingLen);
var md5bin = Convert.FromBase64String(base64str);
var id = new CodeId
{
PartitionKey = string.Format("{0:X2}", md5bin.First()).Substring(0, 1),
RowKey = rowKey
};
return id;
}
public Entity Find(CodeId codeid)
{
var op = TableOperation.Retrieve<Entity>(codeid.PartitionKey, codeid.RowKey);
var result = TableRef.Execute(op);
return result.Result as Entity;
}