public void Put(Span <byte> key, Span <byte> value)
{
if (_manifest == null)
{
throw new InvalidOperationException("No manifest for database. Did you open it?");
}
if (_memCache == null)
{
throw new InvalidOperationException("No current memory cache for database. Did you open it?");
}
var operation = new BatchOperation()
{
Key = key.ToArray(),
Data = value.ToArray(),
ResultState = ResultState.Exist
};
PutInternal(operation);
}
private void PutInternal(BatchOperation operation)
{
_dbLock.EnterWriteLock();
try
{
MakeSurePutWorks();
ulong sequenceNumber = _manifest.CurrentVersion.GetNextSequenceNumber();
var batch = new WriteBatch
{
Sequence = sequenceNumber,
};
batch.Operations.Add(operation);
// Write to LOG here.
_log?.WriteData(batch.EncodeBatch());
_memCache.Put(batch);
}
finally
{
_dbLock.ExitWriteLock();
}
}