/// <inheritdoc />
public override bool ConcurrentWriter(ref Key key, ref SpanByte src, ref SpanByte dst)
{
if (locking)
{
dst.SpinLock();
}
// We can write the source (src) data to the existing destination (dst) in-place,
// only if there is sufficient space
if (dst.Length < src.Length || dst.IsMarkedReadOnly())
{
dst.MarkReadOnly();
if (locking)
{
dst.Unlock();
}
return(false);
}
// Option 1: write the source data, leaving the destination size unchanged. You will need
// to mange the actual space used by the value if you stop here.
src.CopyTo(ref dst);
// We can adjust the length header on the serialized log, if we wish.
// This method will also zero out the extra space to retain log scan correctness.
dst.ShrinkSerializedLength(src.Length);
if (locking)
{
dst.Unlock();
}
return(true);
}
/// <inheritdoc />
public override void Lock(ref RecordInfo recordInfo, ref SpanByte key, ref SpanByte value, LockType lockType, ref long lockContext)
{
value.SpinLock();
}
/// <inheritdoc />
public override void ConcurrentReader(ref SpanByte key, ref SpanByte input, ref SpanByte value, ref byte[] dst)
{
value.SpinLock();
dst = value.ToByteArray();
value.Unlock();
}