/// <summary>
/// 构建数据库连接器。
/// 该方式不支持多数据节点应用
/// </summary>
/// <param name="dbFactoryName"></param>
/// <param name="connectionstring"></param>
/// <param name="dbSchema"></param>
/// <returns></returns>
public AbstractDBFactory BuildFactory(string dbFactoryName, string connectionstring, string dbSchema)
{
factory = ClassBuilder.CreateObject(dbFactoryName) as AbstractDBFactory;
factory.ConnectionString = connectionstring;
factory.DbSchema = dbSchema;
return(factory);
}
/// <summary>
/// 构造函数。
/// </summary>
private DBFactorySingleton(DistributeDataNode ddn)
{
//string dbFactoryName = APPConfig.GetAPPConfig().GetConfigValue("DBFactoryName", "");
string dbFactoryName = ddn.DbFactoryName;
if (dbFactoryName == "")
{
throw new Exception("no find DBFactoryName in config file!");
//return;
}
factory = (AbstractDBFactory)ClassBuilder.CreateObject(dbFactoryName);
if (factory == null)
{
throw new Exception("DBFactoryName find error in config file!");
}
//string connectString = APPConfig.GetAPPConfig().GetConfigValue("ConnectionString", "");
string connectString = ddn.Connectionstring;
if (connectString == "")
{
throw new Exception("find error for init database connection!");
}
//string dbschema = APPConfig.GetAPPConfig().GetConfigValue("Dbschema", "");
string dbschema = ddn.DbSchema;
if (dbschema == "")
{
throw new Exception("find error for init database schema!");
}
try
{
factory.ConnectionString = connectString;
factory.DbSchema = dbschema;
}
catch (Exception e)
{
throw new Exception("database connection error!\n" + e.ToString());
}
}
