/// <summary>
/// 创建一个新的消息事务，并将其加入到当前的事务列表中
/// </summary>
/// <param name="sequenceId">本次新事务的唯一编号</param>
/// <param name="channel">消息通信信道</param>
/// <returns>返回一个新的消息事务</returns>
/// <exception cref="ArgumentNullException">通信信道不能为空</exception>
public ThriftMessageTransaction Create(int sequenceId, IMessageTransportChannel <ThriftMessage> channel)
{
if (channel == null)
{
throw new ArgumentNullException("channel");
}
ThriftMessageTransaction transaction = new ThriftMessageTransaction(new Lease(DateTime.MaxValue), channel)
{
TransactionManager = this, SequenceId = sequenceId
};
TransactionIdentity identity = IdentityHelper.Create((IPEndPoint)channel.LocalEndPoint, sequenceId, false);
transaction.Identity = identity;
return(Add(transaction) ? transaction : null);
}
private bool Add(ThriftMessageTransaction transaction)
{
if (transaction == null)
{
throw new ArgumentNullException("transaction");
}
ThriftMessageTransaction temp;
if (_transactions.TryGetValue(transaction.Identity, out temp))
{
_tracing.Error("#Cannot add ThriftMessageTransaction to current T-Manager, because the target identity has been dup. \r\nDetails below:\r\nIdentity: {0}", transaction.SequenceId);
return(false);
}
if (!_transactions.TryAdd(transaction.Identity, transaction))
{
_tracing.Error("#Add ThriftMessageTransaction to current T-Manager failed. #SequenceId: " + transaction.SequenceId);
return(false);
}
return(true);
}