public ConnectionManager GetConnectionManager(IConnectionFactory factory, string constr)
{
ConnectionManager mgr = null;
if (!_ctxStorage.ContainsKey(constr))
{
lock (_lock)
{
if (!_ctxStorage.ContainsKey(constr))
{
// 创建一个新的连接 并缓存起来
mgr = new ConnectionManager(factory ?? _defautFactory, constr, _ctxStorage);
_ctxStorage.Set(constr, mgr);
}
}
if (mgr != null)
{
mgr.AddRef();
return(mgr);
}
}
mgr = (ConnectionManager)_ctxStorage.Get(constr);
mgr.AddRef();
return(mgr);
}
