mirror of
https://github.com/OpenNebula/one.git
synced 2024-12-23 17:33:56 +03:00
61 lines
2.2 KiB
C++
61 lines
2.2 KiB
C++
/* -------------------------------------------------------------------------- */
|
|
/* Copyright 2002-2014, OpenNebula Project (OpenNebula.org), C12G Labs */
|
|
/* */
|
|
/* Licensed under the Apache License, Version 2.0 (the "License"); you may */
|
|
/* not use this file except in compliance with the License. You may obtain */
|
|
/* a copy of the License at */
|
|
/* */
|
|
/* http://www.apache.org/licenses/LICENSE-2.0 */
|
|
/* */
|
|
/* Unless required by applicable law or agreed to in writing, software */
|
|
/* distributed under the License is distributed on an "AS IS" BASIS, */
|
|
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */
|
|
/* See the License for the specific language governing permissions and */
|
|
/* limitations under the License. */
|
|
/* -------------------------------------------------------------------------- */
|
|
|
|
#ifndef SQL_DB_H_
|
|
#define SQL_DB_H_
|
|
|
|
#include <sstream>
|
|
#include "Callbackable.h"
|
|
|
|
using namespace std;
|
|
|
|
/**
|
|
* SqlDB class.Provides an abstract interface to implement a SQL backend
|
|
*/
|
|
class SqlDB
|
|
{
|
|
public:
|
|
|
|
SqlDB(){};
|
|
|
|
virtual ~SqlDB(){};
|
|
|
|
/**
|
|
* Performs a DB transaction
|
|
* @param sql_cmd the SQL command
|
|
* @param callbak function to execute on each data returned
|
|
* @param quiet True to log errors with DDEBUG level instead of ERROR
|
|
* @return 0 on success
|
|
*/
|
|
virtual int exec(ostringstream& cmd, Callbackable* obj=0, bool quiet=false) = 0;
|
|
|
|
/**
|
|
* This function returns a legal SQL string that can be used in an SQL
|
|
* statement.
|
|
* @param str the string to be escaped
|
|
* @return a valid SQL string or NULL in case of failure
|
|
*/
|
|
virtual char * escape_str(const string& str) = 0;
|
|
|
|
/**
|
|
* Frees a previously scaped string
|
|
* @param str pointer to the str
|
|
*/
|
|
virtual void free_str(char * str) = 0;
|
|
};
|
|
|
|
#endif /*SQL_DB_H_*/
|