|
1
|
|
|
<?php |
|
2
|
|
|
namespace Mouf\Database\TDBM; |
|
3
|
|
|
|
|
4
|
|
|
use Doctrine\DBAL\Driver\Connection; |
|
5
|
|
|
use Doctrine\DBAL\Statement; |
|
6
|
|
|
use Mouf\Database\MagicQuery; |
|
7
|
|
|
use Porpaginas\Page; |
|
8
|
|
|
|
|
9
|
|
|
/* |
|
10
|
|
|
Copyright (C) 2006-2015 David Négrier - THE CODING MACHINE |
|
11
|
|
|
|
|
12
|
|
|
This program is free software; you can redistribute it and/or modify |
|
13
|
|
|
it under the terms of the GNU General Public License as published by |
|
14
|
|
|
the Free Software Foundation; either version 2 of the License, or |
|
15
|
|
|
(at your option) any later version. |
|
16
|
|
|
|
|
17
|
|
|
This program is distributed in the hope that it will be useful, |
|
18
|
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
19
|
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
20
|
|
|
GNU General Public License for more details. |
|
21
|
|
|
|
|
22
|
|
|
You should have received a copy of the GNU General Public License |
|
23
|
|
|
along with this program; if not, write to the Free Software |
|
24
|
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
|
25
|
|
|
*/ |
|
26
|
|
|
|
|
27
|
|
|
|
|
28
|
|
|
/** |
|
29
|
|
|
* Iterator used to retrieve results. |
|
30
|
|
|
* |
|
31
|
|
|
*/ |
|
32
|
|
|
class PageIterator implements Page, \ArrayAccess, \JsonSerializable { |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* |
|
36
|
|
|
* @var Statement |
|
37
|
|
|
*/ |
|
38
|
|
|
protected $statement; |
|
39
|
|
|
|
|
40
|
|
|
protected $fetchStarted = false; |
|
41
|
|
|
private $objectStorage; |
|
42
|
|
|
private $className; |
|
43
|
|
|
|
|
44
|
|
|
private $parentResult; |
|
45
|
|
|
private $tdbmService; |
|
46
|
|
|
private $magicSql; |
|
47
|
|
|
private $parameters; |
|
48
|
|
|
private $limit; |
|
49
|
|
|
private $offset; |
|
50
|
|
|
private $columnDescriptors; |
|
51
|
|
|
private $magicQuery; |
|
52
|
|
|
|
|
53
|
|
|
/** |
|
54
|
|
|
* The key of the current retrieved object. |
|
55
|
|
|
* |
|
56
|
|
|
* @var int |
|
57
|
|
|
*/ |
|
58
|
|
|
protected $key = -1; |
|
59
|
|
|
|
|
60
|
|
|
protected $current = null; |
|
61
|
|
|
|
|
62
|
|
|
private $databasePlatform; |
|
63
|
|
|
|
|
64
|
|
|
private $innerResultIterator; |
|
65
|
|
|
|
|
66
|
|
|
public function __construct(ResultIterator $parentResult, $magicSql, array $parameters, $limit, $offset, array $columnDescriptors, $objectStorage, $className, TDBMService $tdbmService, MagicQuery $magicQuery, $mode) |
|
67
|
|
|
{ |
|
68
|
|
|
$this->parentResult = $parentResult; |
|
69
|
|
|
$this->magicSql = $magicSql; |
|
70
|
|
|
$this->objectStorage = $objectStorage; |
|
71
|
|
|
$this->className = $className; |
|
72
|
|
|
$this->tdbmService = $tdbmService; |
|
73
|
|
|
$this->parameters = $parameters; |
|
74
|
|
|
$this->limit = $limit; |
|
75
|
|
|
$this->offset = $offset; |
|
76
|
|
|
$this->columnDescriptors = $columnDescriptors; |
|
77
|
|
|
$this->magicQuery = $magicQuery; |
|
78
|
|
|
$this->databasePlatform = $this->tdbmService->getConnection()->getDatabasePlatform(); |
|
79
|
|
|
$this->mode = $mode; |
|
|
|
|
|
|
80
|
|
|
} |
|
81
|
|
|
|
|
82
|
|
|
/** |
|
83
|
|
|
* Retrieve an external iterator |
|
84
|
|
|
* @link http://php.net/manual/en/iteratoraggregate.getiterator.php |
|
85
|
|
|
* @return InnerResultIterator An instance of an object implementing <b>Iterator</b> or |
|
86
|
|
|
* <b>Traversable</b> |
|
87
|
|
|
* @since 5.0.0 |
|
88
|
|
|
*/ |
|
89
|
|
|
public function getIterator() |
|
90
|
|
|
{ |
|
91
|
|
|
if ($this->innerResultIterator === null) { |
|
92
|
|
|
if ($this->mode === TDBMService::MODE_CURSOR) { |
|
93
|
|
|
$this->innerResultIterator = new InnerResultIterator($this->magicSql, $this->parameters, $this->limit, $this->offset, $this->columnDescriptors, $this->objectStorage, $this->className, $this->tdbmService, $this->magicQuery); |
|
94
|
|
|
} else { |
|
95
|
|
|
$this->innerResultIterator = new InnerResultArray($this->magicSql, $this->parameters, $this->limit, $this->offset, $this->columnDescriptors, $this->objectStorage, $this->className, $this->tdbmService, $this->magicQuery); |
|
96
|
|
|
} |
|
97
|
|
|
|
|
98
|
|
|
} |
|
99
|
|
|
return $this->innerResultIterator; |
|
100
|
|
|
} |
|
101
|
|
|
|
|
102
|
|
|
/** |
|
103
|
|
|
* @return int |
|
104
|
|
|
*/ |
|
105
|
|
|
public function getCurrentOffset() |
|
106
|
|
|
{ |
|
107
|
|
|
return $this->offset; |
|
108
|
|
|
} |
|
109
|
|
|
|
|
110
|
|
|
/** |
|
111
|
|
|
* @return int |
|
112
|
|
|
*/ |
|
113
|
|
|
public function getCurrentPage() |
|
114
|
|
|
{ |
|
115
|
|
|
return floor($this->offset / $this->limit) + 1; |
|
116
|
|
|
} |
|
117
|
|
|
|
|
118
|
|
|
/** |
|
119
|
|
|
* @return int |
|
120
|
|
|
*/ |
|
121
|
|
|
public function getCurrentLimit() |
|
122
|
|
|
{ |
|
123
|
|
|
return $this->limit; |
|
124
|
|
|
} |
|
125
|
|
|
|
|
126
|
|
|
/** |
|
127
|
|
|
* Return the number of results on the current page of the {@link Result}. |
|
128
|
|
|
* |
|
129
|
|
|
* @return int |
|
130
|
|
|
*/ |
|
131
|
|
|
public function count() |
|
132
|
|
|
{ |
|
133
|
|
|
return $this->getIterator()->count(); |
|
134
|
|
|
} |
|
135
|
|
|
|
|
136
|
|
|
/** |
|
137
|
|
|
* Return the number of ALL results in the paginatable of {@link Result}. |
|
138
|
|
|
* |
|
139
|
|
|
* @return int |
|
140
|
|
|
*/ |
|
141
|
|
|
public function totalCount() |
|
142
|
|
|
{ |
|
143
|
|
|
return $this->parentResult->count(); |
|
144
|
|
|
} |
|
145
|
|
|
|
|
146
|
|
|
/** |
|
147
|
|
|
* Casts the result set to a PHP array. |
|
148
|
|
|
* |
|
149
|
|
|
* @return array |
|
150
|
|
|
*/ |
|
151
|
|
|
public function toArray() { |
|
152
|
|
|
return iterator_to_array($this->getIterator()); |
|
153
|
|
|
} |
|
154
|
|
|
|
|
155
|
|
|
/** |
|
156
|
|
|
* Returns a new iterator mapping any call using the $callable function. |
|
157
|
|
|
* |
|
158
|
|
|
* @param callable $callable |
|
159
|
|
|
* @return MapIterator |
|
160
|
|
|
*/ |
|
161
|
|
|
public function map(callable $callable) { |
|
162
|
|
|
return new MapIterator($this->getIterator(), $callable); |
|
163
|
|
|
} |
|
164
|
|
|
|
|
165
|
|
|
/** |
|
166
|
|
|
* Whether a offset exists |
|
167
|
|
|
* @link http://php.net/manual/en/arrayaccess.offsetexists.php |
|
168
|
|
|
* @param mixed $offset <p> |
|
169
|
|
|
* An offset to check for. |
|
170
|
|
|
* </p> |
|
171
|
|
|
* @return boolean true on success or false on failure. |
|
172
|
|
|
* </p> |
|
173
|
|
|
* <p> |
|
174
|
|
|
* The return value will be casted to boolean if non-boolean was returned. |
|
175
|
|
|
* @since 5.0.0 |
|
176
|
|
|
*/ |
|
177
|
|
|
public function offsetExists($offset) |
|
178
|
|
|
{ |
|
179
|
|
|
return $this->getIterator()->offsetExists($offset); |
|
180
|
|
|
} |
|
181
|
|
|
|
|
182
|
|
|
/** |
|
183
|
|
|
* Offset to retrieve |
|
184
|
|
|
* @link http://php.net/manual/en/arrayaccess.offsetget.php |
|
185
|
|
|
* @param mixed $offset <p> |
|
186
|
|
|
* The offset to retrieve. |
|
187
|
|
|
* </p> |
|
188
|
|
|
* @return mixed Can return all value types. |
|
189
|
|
|
* @since 5.0.0 |
|
190
|
|
|
*/ |
|
191
|
|
|
public function offsetGet($offset) |
|
192
|
|
|
{ |
|
193
|
|
|
return $this->getIterator()->offsetGet($offset); |
|
194
|
|
|
} |
|
195
|
|
|
|
|
196
|
|
|
/** |
|
197
|
|
|
* Offset to set |
|
198
|
|
|
* @link http://php.net/manual/en/arrayaccess.offsetset.php |
|
199
|
|
|
* @param mixed $offset <p> |
|
200
|
|
|
* The offset to assign the value to. |
|
201
|
|
|
* </p> |
|
202
|
|
|
* @param mixed $value <p> |
|
203
|
|
|
* The value to set. |
|
204
|
|
|
* </p> |
|
205
|
|
|
* @return void |
|
206
|
|
|
* @since 5.0.0 |
|
207
|
|
|
*/ |
|
208
|
|
|
public function offsetSet($offset, $value) |
|
209
|
|
|
{ |
|
210
|
|
|
return $this->getIterator()->offsetSet($offset, $value); |
|
211
|
|
|
} |
|
212
|
|
|
|
|
213
|
|
|
/** |
|
214
|
|
|
* Offset to unset |
|
215
|
|
|
* @link http://php.net/manual/en/arrayaccess.offsetunset.php |
|
216
|
|
|
* @param mixed $offset <p> |
|
217
|
|
|
* The offset to unset. |
|
218
|
|
|
* </p> |
|
219
|
|
|
* @return void |
|
220
|
|
|
* @since 5.0.0 |
|
221
|
|
|
*/ |
|
222
|
|
|
public function offsetUnset($offset) |
|
223
|
|
|
{ |
|
224
|
|
|
return $this->getIterator()->offsetUnset($offset); |
|
225
|
|
|
} |
|
226
|
|
|
|
|
227
|
|
|
/** |
|
228
|
|
|
* Specify data which should be serialized to JSON |
|
229
|
|
|
* @link http://php.net/manual/en/jsonserializable.jsonserialize.php |
|
230
|
|
|
* @return mixed data which can be serialized by <b>json_encode</b>, |
|
231
|
|
|
* which is a value of any type other than a resource. |
|
232
|
|
|
* @since 5.4.0 |
|
233
|
|
|
*/ |
|
234
|
|
|
public function jsonSerialize() |
|
235
|
|
|
{ |
|
236
|
|
|
return array_map(function(AbstractTDBMObject $item) { |
|
237
|
|
|
return $item->jsonSerialize(); |
|
|
|
|
|
|
238
|
|
|
}, $this->toArray()); |
|
239
|
|
|
} |
|
240
|
|
|
} |
|
241
|
|
|
|
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: