/// <summary>
/// �ͻ������Ӵ��������ṩ����صĻ�������
/// </summary>
/// <param name="channel">�ͻ�������</param>
/// <param name="transactionManager">���������</param>
public ThriftConnectionAgent(IMessageTransportChannel<ThriftMessage> channel, ThriftMessageTransactionManager transactionManager)
{
if (channel == null) throw new ArgumentNullException("channel");
if (!channel.IsConnected) throw new ArgumentException("Cannot wrap this msg channel, because current msg channel has been disconnected!");
if (transactionManager == null) throw new ArgumentNullException("transactionManager");
_sequenceId = 0;
_channel = channel;
_transactionManager = transactionManager;
_channel.Disconnected += ChannelDisconnected;
_channel.ReceivedMessage += ChannelReceivedMessage;
}
/// <summary>
/// ����һ���µ����Ӵ�����
/// </summary>
/// <param name="iep">Զ���ս���ַ</param>
/// <param name="protocolStack">Э��ջ</param>
/// <param name="transactionManager">���������</param>
/// <returns>��������ӵ�Զ�̵�ַ����null.</returns>
public static IThriftConnectionAgent Create(IPEndPoint iep, IProtocolStack<ThriftMessage> protocolStack, ThriftMessageTransactionManager transactionManager)
{
if (iep == null) throw new ArgumentNullException("iep");
if (protocolStack == null) throw new ArgumentNullException("protocolStack");
if (transactionManager == null) throw new ArgumentNullException("transactionManager");
ITransportChannel transportChannel = new TcpTransportChannel(iep);
transportChannel.Connect();
if (!transportChannel.IsConnected) return null;
IMessageTransportChannel<ThriftMessage> msgChannel = new MessageTransportChannel<ThriftMessage>((IRawTransportChannel)transportChannel, protocolStack, new ThriftProtocolSegmentDataParser((ThriftProtocolStack) protocolStack));
return new ThriftConnectionAgent(msgChannel, transactionManager);
}
/// <summary>
/// 获取具有指定标示的连接代理器，如果具有该条件的代理器不存在，则会创建一个新的代理器
/// </summary>
/// <param name="key">连接标示</param>
/// <param name="roleId">服务角色编号</param>
/// <param name="protocolStack">连接所承载的协议栈</param>
/// <param name="transactionManager">事务管理器</param>
/// <returns>如果返回null, 则表示当前无法连接到目标远程终结点地址</returns>
public IThriftConnectionAgent GetChannel(string key, string roleId, IProtocolStack<ThriftMessage> protocolStack, ThriftMessageTransactionManager transactionManager)
{
string fullKey = string.Format("{0}#{1}", roleId, key);
return base.GetChannel(key, fullKey, protocolStack, transactionManager);
}