|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Ez\DbLinker\Driver\Connection; |
|
4
|
|
|
|
|
5
|
|
|
use Doctrine\DBAL\Driver\Connection; |
|
6
|
|
|
use Doctrine\DBAL\DriverManager; |
|
7
|
|
|
use Ez\DbLinker\RetryStrategy; |
|
8
|
|
|
|
|
9
|
|
|
class RetryConnection implements Connection |
|
10
|
|
|
{ |
|
11
|
|
|
private $wrappedConnectionParams; |
|
12
|
|
|
private $wrappedConnection = false; |
|
13
|
|
|
private $retryStrategy; |
|
14
|
|
|
private $transactionLevel = 0; |
|
15
|
|
|
|
|
16
|
|
|
use CallAndRetry; |
|
17
|
|
|
|
|
18
|
|
|
public function __construct(Array $wrappedConnectionParams, RetryStrategy $retryStrategy) |
|
19
|
|
|
{ |
|
20
|
|
|
$this->wrappedConnectionParams = $wrappedConnectionParams; |
|
21
|
|
|
$this->retryStrategy = $retryStrategy; |
|
22
|
|
|
} |
|
23
|
|
|
|
|
24
|
|
|
/** |
|
25
|
|
|
* Prepares a statement for execution and returns a Statement object. |
|
26
|
|
|
* |
|
27
|
|
|
* @param string $prepareString |
|
28
|
|
|
* |
|
29
|
|
|
* @return \Doctrine\DBAL\Driver\Statement |
|
30
|
|
|
*/ |
|
31
|
|
|
public function prepare($prepareString) { |
|
32
|
|
|
return new RetryStatement( |
|
33
|
|
|
$this->callWrappedConnectionAndRetry(__FUNCTION__, func_get_args()), |
|
34
|
|
|
$this, |
|
35
|
|
|
$this->retryStrategy |
|
36
|
|
|
); |
|
37
|
|
|
} |
|
38
|
|
|
|
|
39
|
|
|
/** |
|
40
|
|
|
* Executes an SQL statement, returning a result set as a Statement object. |
|
41
|
|
|
* |
|
42
|
|
|
* @return \Doctrine\DBAL\Driver\Statement |
|
43
|
|
|
*/ |
|
44
|
|
|
public function query() { |
|
45
|
|
|
return $this->callWrappedConnectionAndRetry(__FUNCTION__, func_get_args()); |
|
46
|
|
|
} |
|
47
|
|
|
|
|
48
|
|
|
/** |
|
49
|
|
|
* Quotes a string for use in a query. |
|
50
|
|
|
* |
|
51
|
|
|
* @param string $input |
|
52
|
|
|
* @param integer $type |
|
53
|
|
|
* |
|
54
|
|
|
* @return string |
|
55
|
|
|
*/ |
|
56
|
|
|
public function quote($input, $type = \PDO::PARAM_STR) { |
|
57
|
|
|
return $this->callWrappedConnectionAndRetry(__FUNCTION__, func_get_args()); |
|
58
|
|
|
} |
|
59
|
|
|
|
|
60
|
|
|
/** |
|
61
|
|
|
* Executes an SQL statement and return the number of affected rows. |
|
62
|
|
|
* |
|
63
|
|
|
* @param string $statement |
|
64
|
|
|
* |
|
65
|
|
|
* @return integer |
|
66
|
|
|
*/ |
|
67
|
|
|
public function exec($statement) { |
|
68
|
|
|
return $this->callWrappedConnectionAndRetry(__FUNCTION__, func_get_args()); |
|
69
|
|
|
} |
|
70
|
|
|
|
|
71
|
|
|
/** |
|
72
|
|
|
* Returns the ID of the last inserted row or sequence value. |
|
73
|
|
|
* |
|
74
|
|
|
* @param string|null $name |
|
75
|
|
|
* |
|
76
|
|
|
* @return string |
|
77
|
|
|
*/ |
|
78
|
|
|
public function lastInsertId($name = null) { |
|
79
|
|
|
return $this->callWrappedConnectionAndRetry(__FUNCTION__, func_get_args()); |
|
80
|
|
|
} |
|
81
|
|
|
|
|
82
|
|
|
/** |
|
83
|
|
|
* Initiates a transaction. |
|
84
|
|
|
* |
|
85
|
|
|
* @return boolean TRUE on success or FALSE on failure. |
|
86
|
|
|
*/ |
|
87
|
|
|
public function beginTransaction() { |
|
88
|
|
|
$this->transactionLevel++; |
|
89
|
|
|
return $this->callWrappedConnectionAndRetry(__FUNCTION__, func_get_args()); |
|
90
|
|
|
} |
|
91
|
|
|
|
|
92
|
|
|
/** |
|
93
|
|
|
* Commits a transaction. |
|
94
|
|
|
* |
|
95
|
|
|
* @return boolean TRUE on success or FALSE on failure. |
|
96
|
|
|
*/ |
|
97
|
|
|
public function commit() { |
|
98
|
|
|
$this->transactionLevel--; |
|
99
|
|
|
return $this->callWrappedConnectionAndRetry(__FUNCTION__, func_get_args()); |
|
100
|
|
|
} |
|
101
|
|
|
|
|
102
|
|
|
/** |
|
103
|
|
|
* Rolls back the current transaction, as initiated by beginTransaction(). |
|
104
|
|
|
* |
|
105
|
|
|
* @return boolean TRUE on success or FALSE on failure. |
|
106
|
|
|
*/ |
|
107
|
|
|
public function rollBack() { |
|
108
|
|
|
$this->transactionLevel--; |
|
109
|
|
|
return $this->callWrappedConnectionAndRetry(__FUNCTION__, func_get_args()); |
|
110
|
|
|
} |
|
111
|
|
|
|
|
112
|
|
|
/** |
|
113
|
|
|
* Returns the error code associated with the last operation on the database handle. |
|
114
|
|
|
* |
|
115
|
|
|
* @return string|null The error code, or null if no operation has been run on the database handle. |
|
116
|
|
|
*/ |
|
117
|
|
|
public function errorCode() { |
|
118
|
|
|
return $this->callWrappedConnectionAndRetry(__FUNCTION__, func_get_args()); |
|
119
|
|
|
} |
|
120
|
|
|
|
|
121
|
|
|
/** |
|
122
|
|
|
* Returns extended error information associated with the last operation on the database handle. |
|
123
|
|
|
* |
|
124
|
|
|
* @return array |
|
125
|
|
|
*/ |
|
126
|
|
|
public function errorInfo() { |
|
127
|
|
|
return $this->callWrappedConnectionAndRetry(__FUNCTION__, func_get_args()); |
|
128
|
|
|
} |
|
129
|
|
|
|
|
130
|
|
|
public function close() |
|
131
|
|
|
{ |
|
132
|
|
|
$this->wrappedConnection = false; |
|
133
|
|
|
} |
|
134
|
|
|
|
|
135
|
|
|
public function transactionLevel() |
|
136
|
|
|
{ |
|
137
|
|
|
return $this->transactionLevel; |
|
138
|
|
|
} |
|
139
|
|
|
|
|
140
|
|
|
private function callWrappedConnectionAndRetry($method, array $arguments) |
|
141
|
|
|
{ |
|
142
|
|
|
return $this->callAndRetry(function () use ($method, $arguments) { |
|
143
|
|
|
return call_user_func_array([$this->wrappedConnection(), $method], $arguments); |
|
144
|
|
|
}, $this->retryStrategy); |
|
145
|
|
|
} |
|
146
|
|
|
|
|
147
|
|
|
public function wrappedConnection() |
|
148
|
|
|
{ |
|
149
|
|
|
if ($this->wrappedConnection === false) { |
|
150
|
|
|
$this->wrappedConnection = null; |
|
151
|
|
|
try { |
|
152
|
|
|
$this->wrappedConnection = DriverManager::getConnection( |
|
153
|
|
|
$this->wrappedConnectionParams |
|
154
|
|
|
)->getWrappedConnection(); |
|
155
|
|
|
} catch (\Exception $e) { |
|
156
|
|
|
$this->wrappedConnection = false; |
|
157
|
|
|
throw $e; |
|
158
|
|
|
} |
|
159
|
|
|
} |
|
160
|
|
|
return $this->wrappedConnection; |
|
161
|
|
|
} |
|
162
|
|
|
} |
|
163
|
|
|
|
ezweb /
dblinker
