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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
<?php
/**
* PHP memory-backed job queue code.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
/**
* Class to handle job queues stored in PHP memory for testing
*
* JobQueueGroup does not remember every queue instance, so statically track it here
*
* @ingroup JobQueue
* @since 1.27
*/
class JobQueueMemory extends JobQueue {
/** @var array[] */
protected static $data = [];
/**
* @see JobQueue::doBatchPush
*
* @param IJobSpecification[] $jobs
* @param int $flags
*/
protected function doBatchPush( array $jobs, $flags ) {
$unclaimed =& $this->getQueueData( 'unclaimed', [] );
foreach ( $jobs as $job ) {
if ( $job->ignoreDuplicates() ) {
$sha1 = Wikimedia\base_convert(
sha1( serialize( $job->getDeduplicationInfo() ) ),
16, 36, 31
);
if ( !isset( $unclaimed[$sha1] ) ) {
$unclaimed[$sha1] = $job;
}
} else {
$unclaimed[] = $job;
}
}
}
/**
* @see JobQueue::supportedOrders
*
* @return string[]
*/
protected function supportedOrders() {
return [ 'random', 'timestamp', 'fifo' ];
}
/**
* @see JobQueue::optimalOrder
*
* @return string
*/
protected function optimalOrder() {
return 'fifo';
}
/**
* @see JobQueue::doIsEmpty
*
* @return bool
*/
protected function doIsEmpty() {
return ( $this->doGetSize() == 0 );
}
/**
* @see JobQueue::doGetSize
*
* @return int
*/
protected function doGetSize() {
$unclaimed = $this->getQueueData( 'unclaimed' );
return $unclaimed ? count( $unclaimed ) : 0;
}
/**
* @see JobQueue::doGetAcquiredCount
*
* @return int
*/
protected function doGetAcquiredCount() {
$claimed = $this->getQueueData( 'claimed' );
return $claimed ? count( $claimed ) : 0;
}
/**
* @see JobQueue::doPop
*
* @return Job|bool
*/
protected function doPop() {
if ( $this->doGetSize() == 0 ) {
return false;
}
$unclaimed =& $this->getQueueData( 'unclaimed' );
$claimed =& $this->getQueueData( 'claimed', [] );
if ( $this->order === 'random' ) {
$key = array_rand( $unclaimed );
} else {
reset( $unclaimed );
$key = key( $unclaimed );
}
$spec = $unclaimed[$key];
unset( $unclaimed[$key] );
$claimed[] = $spec;
$job = $this->jobFromSpecInternal( $spec );
end( $claimed );
$job->metadata['claimId'] = key( $claimed );
return $job;
}
/**
* @see JobQueue::doAck
*
* @param Job $job
*/
protected function doAck( Job $job ) {
if ( $this->getAcquiredCount() == 0 ) {
return;
}
$claimed =& $this->getQueueData( 'claimed' );
unset( $claimed[$job->metadata['claimId']] );
}
/**
* @see JobQueue::doDelete
*/
protected function doDelete() {
if ( isset( self::$data[$this->type][$this->wiki] ) ) {
unset( self::$data[$this->type][$this->wiki] );
if ( !self::$data[$this->type] ) {
unset( self::$data[$this->type] );
}
}
}
/**
* @see JobQueue::getAllQueuedJobs
*
* @return Iterator of Job objects.
*/
public function getAllQueuedJobs() {
$unclaimed = $this->getQueueData( 'unclaimed' );
if ( !$unclaimed ) {
return new ArrayIterator( [] );
}
return new MappedIterator(
$unclaimed,
function ( $value ) {
return $this->jobFromSpecInternal( $value );
}
);
}
/**
* @see JobQueue::getAllAcquiredJobs
*
* @return Iterator of Job objects.
*/
public function getAllAcquiredJobs() {
$claimed = $this->getQueueData( 'claimed' );
if ( !$claimed ) {
return new ArrayIterator( [] );
}
return new MappedIterator(
$claimed,
function ( $value ) {
return $this->jobFromSpecInternal( $value );
}
);
}
/**
* @param IJobSpecification $spec
*
* @return Job
*/
public function jobFromSpecInternal( IJobSpecification $spec ) {
return Job::factory( $spec->getType(), $spec->getTitle(), $spec->getParams() );
}
/**
* @param string $field
* @param mixed $init
*
* @return mixed
*/
private function &getQueueData( $field, $init = null ) {
if ( !isset( self::$data[$this->type][$this->wiki][$field] ) ) {
if ( $init !== null ) {
self::$data[$this->type][$this->wiki][$field] = $init;
} else {
return $init;
}
}
return self::$data[$this->type][$this->wiki][$field];
}
}
|
