/// <summary>
/// 根据DBID获取数据库访问连接池对象
/// </summary>
/// <param name="dbid">数据库编号ID</param>
/// <returns>数据库访问连接对象</returns>
internal static DbConnectionPool GetConnectionPoolByDBID(int dbid)
{
DbConnectionPool dbConnectionPool;
if (!_dbConnectionPoolDic.TryGetValue(dbid, out dbConnectionPool))
{
var config = DatabaseConfigManager.GetConfig(dbid);
IDBFactory dbFactory = DBFactoryManager.GetDBFactory(config);
IDBInteraction dbInteraction = dbFactory.GetDBInteraction();
AddDbConnectionPool(config, dbInteraction);
if (!_dbConnectionPoolDic.TryGetValue(dbid, out dbConnectionPool))
{
throw new ApplicationException(string.Format("连接池中不包含数据库编号ID为:{0}的连接信息", dbid));
}
}
return(dbConnectionPool);
}
/// <summary>
/// 获取数据库访问实例
/// </summary>
/// <param name="dbid">数据库编号ID</param>
/// <returns>数据库访问实例</returns>
public static IDBAccess GetDBAccessInstance(int dbid)
{
IDBAccess dbAccess;
if (!_dbAccessDic.TryGetValue(dbid, out dbAccess))
{
lock (_dicDBAccessLock)
{
if (!_dbAccessDic.TryGetValue(dbid, out dbAccess))
{
var dbBConfigItem = DatabaseConfigManager.GetConfig(dbid);
IDBFactory dbFactory = DBFactoryManager.GetDBFactory(dbBConfigItem);
dbAccess = dbFactory.CreateDBAccess(dbBConfigItem);
if (!_dbAccessDic.TryAdd(dbid, dbAccess))
{
Loger.Warn(string.Format("添加数据库编号ID为{0}数据库访问实例失败", dbid), null);
}
}
}
}
return(dbAccess);
}
/// <summary>
/// 加载指定路径数据库插件
/// </summary>
/// <param name="pluginAssemblyPath">数据库插件Assembly路径</param>
public static void LoadDBPlugin(string pluginAssemblyPath)
{
DBFactoryManager.LoadDBPlugin(pluginAssemblyPath);
}
/// <summary>
/// 获取字段值格式化对象
/// </summary>
/// <param name="config">数据配置</param>
/// <returns></returns>
public static ISqlFieldValueFormator GetFieldValueFormator(DatabaseConfig config)
{
return(DBFactoryManager.GetSqlFieldValueFormator(config));
}
