/// <summary>
/// Deserialize data array to <see cref="Windowed{K}"/>
/// </summary>
/// <param name="data">Data array</param>
/// <param name="context">serialization context</param>
/// <returns>Return <see cref="Windowed{K}"/> instance</returns>
public override Windowed <T> Deserialize(byte[] data, SerializationContext context)
{
if (data == null || data.Length == 0)
{
return(null);
}
long start = WindowKeyHelper.ExtractStoreTimestamp(data);
return(new Windowed <T>(
innerSerdes.Deserialize(WindowKeyHelper.ExtractStoreKeyBytes(data), context),
new TimeWindow(start, start + windowSize)));
}
public void ExtractStoreTimestamp()
{
string key = "test";
long ts = DateTime.Now.GetMilliseconds();
int seq = 0;
List <byte> bytes = new List <byte>();
bytes.AddRange(Encoding.UTF8.GetBytes(key));
bytes.AddRange(BitConverter.GetBytes(ts));
bytes.AddRange(BitConverter.GetBytes(seq));
long r = WindowKeyHelper.ExtractStoreTimestamp(bytes.ToArray());
Assert.AreEqual(ts, r);
}
public Func <IKeyValueEnumerator <Bytes, byte[]>, bool> HasNextCondition(Bytes binaryKeyFrom, Bytes binaryKeyTo, long from, long to)
{
return((enumerator) =>
{
while (enumerator.MoveNext())
{
var bytes = enumerator.PeekNextKey();
Bytes keyBytes = Bytes.Wrap(WindowKeyHelper.ExtractStoreKeyBytes(bytes.Get));
long time = WindowKeyHelper.ExtractStoreTimestamp(bytes.Get);
if ((binaryKeyFrom == null || bytesComparer.Compare(keyBytes, binaryKeyFrom) >= 0) &&
(binaryKeyTo == null || bytesComparer.Compare(keyBytes, binaryKeyTo) <= 0) &&
time >= from &&
time <= to)
{
return true;
}
}
return false;
});
}
public long SegmentTimestamp(Bytes key) => WindowKeyHelper.ExtractStoreTimestamp(key.Get);
public long PeekNextKey() => WindowKeyHelper.ExtractStoreTimestamp(bytesEnumerator.PeekNextKey().Get);