internal override void Visit(ReadVersionRequest req)
{
byte[] valueBytes = req.Result as byte[];
req.Result = valueBytes == null || valueBytes.Length == 0 ?
null :
VersionEntry.Deserialize(req.VersionKey, valueBytes, req.LocalVerEntry);
}
internal override void Visit(ReplaceVersionRequest req)
{
byte[][] returnBytes = req.Result as byte[][];
req.Result = returnBytes == null || returnBytes.Length == 0 ?
null :
VersionEntry.Deserialize(
req.VersionKey,
returnBytes.ValueBytes(), req.LocalVerEntry);
}
internal override void Visit(UpdateVersionMaxCommitTsRequest req)
{
byte[][] returnBytes = req.Result as byte[][];
req.Result = returnBytes == null || returnBytes.Length < 2 ?
null :
VersionEntry.Deserialize(
req.VersionKey,
returnBytes.ValueBytes(), req.LocalVerEntry);
}
private int ExtractVersionEntry(
byte[][] response, TxList <VersionEntry> dest)
{
Debug.Assert(response.Length <= 4 || response.Length % 2 == 0);
int entryCount = response.Length / 2;
long[] debugKeys = new long[entryCount];
for (int i = 0; i < entryCount; ++i)
{
int versionKeyIndex = i * 2;
long versionKey = BitConverter.ToInt64(
response[versionKeyIndex], 0);
byte[] entryBytes = response[versionKeyIndex + 1];
VersionEntry.Deserialize(
versionKey, entryBytes, dest[i]);
debugKeys[i] = versionKey;
}
if (debugKeys.Length == 2)
{
Debug.Assert(debugKeys[0] + 1 == debugKeys[1]);
}
return(entryCount);
}