internal override void Visit(SetCommitTsRequest req)
{
TxTableEntry txEntry = req.RemoteTxEntry;
if (txEntry == null)
{
if (!this.txTable.TryGetValue(req.TxId, out txEntry))
{
throw new TransactionException("The specified tx does not exist.");
}
}
while (Interlocked.CompareExchange(ref txEntry.latch, 1, 0) != 0)
{
;
}
// read and write
long commitTime = Math.Max(req.ProposedCommitTs, txEntry.CommitLowerBound);
txEntry.CommitTime = commitTime;
Interlocked.Exchange(ref txEntry.latch, 0);
req.Result = commitTime;
req.Finished = true;
}
internal override void Visit(SetCommitTsRequest req)
{
byte[][] returnBytes = req.Result as byte[][];
req.Result = returnBytes == null || returnBytes.Length == 0 ?
-1L :
BitConverter.ToInt64(returnBytes.ValueBytes(), 0);
}
internal override void Visit(SetCommitTsRequest req)
{
this.HashId = req.TxId.ToString();
string sha1 = this.redisLuaScriptManager.GetLuaScriptSha1(LuaScriptName.SET_AND_GET_COMMIT_TIME);
byte[][] keys =
{
Encoding.ASCII.GetBytes(this.HashId),
BitConverter.GetBytes(req.ProposedCommitTs),
RedisVersionDb.NEGATIVE_ONE_BYTES,
};
this.RedisReq = new RedisRequest(keys, sha1, 1, RedisRequestType.EvalSha)
{
ParentRequest = req
};
}
internal override void Visit(SetCommitTsRequest req)
{
TxTableEntry txEntry = req.RemoteTxEntry;
if (txEntry == null)
{
txEntry = this.txTable[req.TxId];
}
// already has a commit time
if (txEntry.CommitTime != TxTableEntry.DEFAULT_COMMIT_TIME)
{
req.Result = -1L;
}
else
{
txEntry.CommitTime = Math.Max(txEntry.CommitLowerBound, req.ProposedCommitTs);
req.Result = txEntry.CommitTime;
}
req.Finished = true;
}
internal override void Visit(SetCommitTsRequest req)
{
string hashId = req.TxId.ToString();
if (this.redisVersionDbMode == RedisVersionDbMode.Cluster)
{
hashId = RedisVersionDb.PACK_KEY(RedisVersionDb.TX_KEY_PREFIX, hashId);
}
string sha1 = this.redisLuaScriptManager.GetLuaScriptSha1(LuaScriptName.SET_AND_GET_COMMIT_TIME);
byte[][] keys =
{
Encoding.ASCII.GetBytes(hashId),
BitConverter.GetBytes(req.ProposedCommitTs),
RedisVersionDb.NEGATIVE_ONE_BYTES,
};
RedisRequest redisReq = this.NextRedisRequest();
redisReq.Set(keys, sha1, 1, RedisRequestType.EvalSha);
redisReq.ParentRequest = req;
}
internal virtual void Visit(SetCommitTsRequest req)
{
}