blob: 19158cc43f9c6580661dad3a269d1ffa7f056eb6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
<?php
namespace DHTMLX\Connector\DataStorage;
/*! Base abstraction class, used for data operations
Class abstract access to data, it is a base class to all DB wrappers
**/
abstract class DataWrapper{
protected $connection;
protected $config;//!< DataConfig instance
/*! constructor
@param connection
DB connection
@param config
DataConfig instance
*/
public function __construct($connection = false,$config = false){
$this->config=$config;
$this->connection=$connection;
}
/*! insert record in storage
@param data
DataAction object
@param source
DataRequestConfig object
*/
abstract function insert($data,$source);
/*! delete record from storage
@param data
DataAction object
@param source
DataRequestConfig object
*/
abstract function delete($data,$source);
/*! update record in storage
@param data
DataAction object
@param source
DataRequestConfig object
*/
abstract function update($data,$source);
/*! select record from storage
@param source
DataRequestConfig object
*/
abstract function select($source);
/*! get size of storage
@param source
DataRequestConfig object
*/
abstract function get_size($source);
/*! get all variations of field in storage
@param name
name of field
@param source
DataRequestConfig object
*/
abstract function get_variants($name,$source);
/*! checks if there is a custom sql string for specified db operation
@param name
name of DB operation
@param data
hash of data
@return
sql string
*/
public function get_sql($name,$data){
return ""; //custom sql not supported by default
}
/*! begins DB transaction
*/
public function begin_transaction(){
throw new Exception("Data wrapper not supports transactions.");
}
/*! commits DB transaction
*/
public function commit_transaction(){
throw new Exception("Data wrapper not supports transactions.");
}
/*! rollbacks DB transaction
*/
public function rollback_transaction(){
throw new Exception("Data wrapper not supports transactions.");
}
}
|
