/// <summary>
/// 根据配置信息找到或创建工厂,并提供一个会话对象
/// </summary>
/// <param name="dac">数据访问配置类</param>
/// <returns>返回值为一个回话对象</returns>
public static ISession GetSession(DataAccessorConfiguration dac)
{
lock (dict.SyncRoot)
{
if (dict.ContainsKey(dac))
{
return((dict[dac] as HBData).Factory.OpenSession());
}
else
{
Configuration cfg = new Configuration();
foreach (Assembly asse in dac.MappingsAssemblies)
{
cfg.Configure(dac.ConfigFile).AddAssembly(asse);
}
if (dac.NamingStrategy != null)
{
cfg.SetNamingStrategy(dac.NamingStrategy);
}
ISessionFactory factory = cfg.BuildSessionFactory();
NS.Component.NHibernate.NHibernateFactory.Initialize(factory);
HBData data = new HBData()
{
Configuration = cfg, Factory = factory
};
dict.Add(dac, data);
return(factory.OpenSession());
}
}
}
/// <summary>
/// 清理某个数据库连接
/// </summary>
/// <param name="dac">传入的参数为构建数据库连接时使用的配置对象</param>
public static void Clear(DataAccessorConfiguration dac)
{
lock (dict.SyncRoot)
{
if (dict.ContainsKey(dac))
{
HBData hbdata = dict[dac] as HBData;
dict.Remove(dac);
hbdata.Factory.Dispose();
hbdata = null;
}
}
}