public static DbFactoryBase Instance(IDbCommand cmd)
{
DbFactoryBase result = Instance(DbTypeChecker.GetDatabaseType(cmd));
result.cmd = cmd;
return(result);
}
public static DbFactoryBase Instance(IDbConnection cn)
{
DbFactoryBase result = Instance(DbTypeChecker.GetDatabaseType(cn));
result.cn = cn;
return(result);
}
public static DbFactoryBase Instance(String connectionString)
{
DbFactoryBase result = Instance(DbTypeChecker.GetDatabaseType(connectionString));
result.cn = result.GetConnection(connectionString);
return(result);
}
public static DbDataAdapter GetAdapter(String CommandText, IDbConnection cn)
{
return(DbFactoryBase.Instance(cn).GetAdapter(CommandText));
}
public static DbDataAdapter GetAdapter(IDbCommand cmd)
{
return(DbFactoryBase.Instance(cmd).GetAdapter());
}
public static Object SetParameter(IDbCommand cmd, String parameterName, Object parameterValue)
{
return(DbFactoryBase.Instance(cmd).SetParameter(cmd, parameterName, parameterValue));
}
public static IDatabaseDialect GetDialect(DatabaseType dbtype)
{
return(DbFactoryBase.Instance(dbtype).GetDialect());
}
internal static IDatabaseChecker GetDatabaseChecker(DatabaseType dbtype)
{
return(DbFactoryBase.Instance(dbtype).GetDatabaseChecker());
}
public static IDbCommand GetCommand(String CommandText, IDbConnection cn)
{
return(DbFactoryBase.Instance(cn).GetCommand(CommandText));
}
public static IDbConnection GetConnection(String connectionString, DatabaseType dbtype)
{
return(DbFactoryBase.Instance(dbtype).GetConnection(connectionString));
}
/// <summary>
/// 获取 command，并检查 connection ，如果尚未打开数据库链接 ，则打开 connection
/// </summary>
/// <param name="cn"></param>
/// <returns></returns>
public static IDbCommand GetCommand(IDbConnection cn)
{
return(DbFactoryBase.Instance(cn).GetCommand());
}