Complex classes like JobManager often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use JobManager, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 14 | class JobManager extends BaseJobManager |
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| 15 | { |
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| 16 | use CommonTrait; |
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| 17 | protected static $saveInsertCalled = null; |
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| 18 | protected static $resetInsertCalled = null; |
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| 19 | |||
| 20 | 3 | public function countJobsByStatus($objectName, $status, $workerName = null, $method = null) |
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| 21 | { |
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| 22 | /** @var EntityManager $objectManager */ |
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| 23 | 3 | $objectManager = $this->getObjectManager(); |
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| 24 | |||
| 25 | $queryBuilder = $objectManager |
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| 26 | 3 | ->createQueryBuilder() |
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| 27 | 3 | ->select('count(a.id)') |
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| 28 | 3 | ->from($objectName, 'a') |
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| 29 | 3 | ->where('a.status = :status'); |
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| 30 | |||
| 31 | 3 | if (null !== $workerName) { |
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| 32 | 1 | $queryBuilder->andWhere('a.workerName = :workerName') |
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| 33 | 1 | ->setParameter(':workerName', $workerName); |
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| 34 | 1 | } |
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| 35 | |||
| 36 | 3 | if (null !== $method) { |
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| 37 | 1 | $queryBuilder->andWhere('a.method = :method') |
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| 38 | 1 | ->setParameter(':method', $workerName); |
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| 39 | 1 | } |
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| 40 | |||
| 41 | 3 | $count = $queryBuilder->setParameter(':status', $status) |
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| 42 | 3 | ->getQuery()->getSingleScalarResult(); |
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| 43 | |||
| 44 | 3 | if (!$count) { |
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| 45 | 1 | return 0; |
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| 46 | } |
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| 47 | |||
| 48 | 3 | return $count; |
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| 49 | } |
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| 50 | |||
| 51 | /** |
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| 52 | * @param string|null $workerName |
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| 53 | * @param string|null $method |
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| 54 | * |
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| 55 | * @return int Count of jobs pruned |
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| 56 | */ |
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| 57 | 1 | public function pruneErroneousJobs($workerName = null, $method = null) |
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| 70 | |||
| 71 | 19 | protected function resetSaveOk($function) |
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| 72 | 1 | { |
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| 73 | 19 | $objectManager = $this->getObjectManager(); |
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| 74 | 19 | $splObjectHash = spl_object_hash($objectManager); |
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| 75 | |||
| 76 | 19 | if ('save' === $function) { |
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| 77 | $compare = static::$resetInsertCalled; |
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| 78 | } else { |
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| 79 | 19 | $compare = static::$saveInsertCalled; |
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| 80 | } |
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| 81 | |||
| 82 | 19 | if ($splObjectHash === $compare) { |
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| 83 | // Insert SQL is cached... |
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| 84 | $msg = "Can't call save and reset within the same process cycle (or using the same EntityManager)"; |
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| 85 | throw new LogicException($msg); |
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| 86 | } |
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| 87 | |||
| 88 | 19 | if ('save' === $function) { |
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| 89 | static::$saveInsertCalled = spl_object_hash($objectManager); |
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| 90 | } else { |
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| 91 | 19 | static::$resetInsertCalled = spl_object_hash($objectManager); |
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| 92 | } |
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| 93 | 19 | } |
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| 94 | |||
| 95 | /** |
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| 96 | * @param string $workerName |
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| 97 | * @param string $method |
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| 98 | */ |
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| 99 | 13 | protected function addWorkerNameCriterion(QueryBuilder $queryBuilder, $workerName = null, $method = null) |
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| 100 | { |
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| 101 | 13 | if (null !== $workerName) { |
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| 102 | 5 | $queryBuilder->andWhere('j.workerName = :workerName')->setParameter(':workerName', $workerName); |
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| 103 | 5 | } |
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| 104 | |||
| 105 | 13 | if (null !== $method) { |
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| 106 | 4 | $queryBuilder->andWhere('j.method = :method')->setParameter(':method', $method); |
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| 107 | 4 | } |
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| 108 | 13 | } |
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| 109 | |||
| 110 | 1 | protected function updateExpired($workerName = null, $method = null) |
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| 127 | |||
| 128 | /** |
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| 129 | * Removes archived jobs older than $olderThan. |
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| 130 | * |
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| 131 | * @param \DateTime $olderThan |
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| 132 | */ |
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| 133 | 1 | public function pruneArchivedJobs(\DateTime $olderThan) |
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| 141 | |||
| 142 | 2 | public function getJobCount($workerName = null, $method = null) |
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| 143 | { |
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| 144 | /** @var EntityManager $objectManager */ |
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| 145 | 2 | $objectManager = $this->getObjectManager(); |
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| 146 | 2 | $queryBuilder = $objectManager->createQueryBuilder(); |
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| 147 | |||
| 148 | 2 | $queryBuilder = $queryBuilder->select('count(j)')->from($this->getJobClass(), 'j'); |
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| 149 | |||
| 150 | 2 | $where = 'where'; |
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| 151 | 2 | if (null !== $workerName) { |
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| 152 | if (null !== $method) { |
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| 153 | $queryBuilder->where($queryBuilder->expr()->andX( |
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| 154 | $queryBuilder->expr()->eq('j.workerName', ':workerName'), |
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| 155 | $queryBuilder->expr()->eq('j.method', ':method') |
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| 156 | )) |
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| 157 | ->setParameter(':method', $method); |
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| 158 | } else { |
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| 159 | $queryBuilder->where('j.workerName = :workerName'); |
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| 160 | } |
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| 161 | $queryBuilder->setParameter(':workerName', $workerName); |
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| 162 | $where = 'andWhere'; |
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| 163 | 2 | } elseif (null !== $method) { |
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| 164 | $queryBuilder->where('j.method = :method')->setParameter(':method', $method); |
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| 165 | $where = 'andWhere'; |
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| 166 | } |
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| 167 | |||
| 168 | 2 | $dateTime = new \DateTime(); |
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| 169 | // Filter |
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| 170 | $queryBuilder |
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| 171 | 2 | ->$where($queryBuilder->expr()->orX( |
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| 172 | 2 | $queryBuilder->expr()->isNull('j.whenAt'), |
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| 173 | 2 | $queryBuilder->expr()->lte('j.whenAt', ':whenAt') |
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| 174 | 2 | )) |
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| 175 | 2 | ->andWhere($queryBuilder->expr()->orX( |
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| 176 | 2 | $queryBuilder->expr()->isNull('j.expiresAt'), |
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| 177 | 2 | $queryBuilder->expr()->gt('j.expiresAt', ':expiresAt') |
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| 178 | 2 | )) |
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| 179 | 2 | ->andWhere('j.locked is NULL') |
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| 180 | 2 | ->setParameter(':whenAt', $dateTime) |
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| 181 | 2 | ->setParameter(':expiresAt', $dateTime); |
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| 182 | |||
| 183 | 2 | $query = $queryBuilder->getQuery(); |
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| 184 | |||
| 185 | 2 | return $query->getSingleScalarResult(); |
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| 186 | } |
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| 187 | |||
| 188 | /** |
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| 189 | * Get Jobs statuses. |
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| 190 | */ |
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| 191 | 3 | public function getStatus() |
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| 192 | { |
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| 193 | 3 | $result = []; |
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| 194 | 3 | $this->getStatusByEntityName($this->getJobClass(), $result); |
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| 195 | 3 | $this->getStatusByEntityName($this->getJobArchiveClass(), $result); |
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| 196 | |||
| 197 | 3 | $finalResult = []; |
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| 198 | 3 | foreach ($result as $key => $item) { |
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| 199 | 1 | ksort($item); |
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| 200 | 1 | foreach ($item as $status => $count) { |
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| 201 | 1 | if (isset($finalResult[$key][$status])) { |
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| 202 | $finalResult[$key][$status] += $count; |
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| 203 | } else { |
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| 204 | 1 | $finalResult[$key][$status] = $count; |
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| 205 | } |
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| 206 | 1 | } |
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| 207 | 3 | } |
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| 208 | |||
| 209 | 3 | return $finalResult; |
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| 210 | } |
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| 211 | |||
| 212 | /** |
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| 213 | * @param string $entityName |
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| 214 | */ |
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| 215 | 3 | protected function getStatusByEntityName($entityName, array &$result) |
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| 216 | { |
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| 217 | /** @var EntityManager $objectManager */ |
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| 218 | 3 | $objectManager = $this->getObjectManager(); |
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| 219 | 3 | $result1 = $objectManager->getRepository($entityName)->createQueryBuilder('j')->select('j.workerName, j.method, j.status, count(j) as c') |
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| 220 | 3 | ->groupBy('j.workerName, j.method, j.status')->getQuery()->getArrayResult(); |
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| 221 | |||
| 222 | 3 | foreach ($result1 as $item) { |
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| 223 | 1 | $method = $item['workerName'].'->'.$item['method'].'()'; |
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| 224 | 1 | if (!isset($result[$method])) { |
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| 225 | 1 | $result[$method] = [BaseJob::STATUS_NEW => 0, |
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| 226 | 1 | BaseJob::STATUS_RUNNING => 0, |
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| 227 | 1 | RetryableJob::STATUS_EXPIRED => 0, |
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| 228 | 1 | RetryableJob::STATUS_MAX_ERROR => 0, |
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| 229 | 1 | RetryableJob::STATUS_MAX_STALLED => 0, |
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| 230 | 1 | RetryableJob::STATUS_MAX_RETRIES => 0, |
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| 231 | 1 | BaseJob::STATUS_SUCCESS => 0, |
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| 232 | 1 | BaseJob::STATUS_ERROR => 0, ]; |
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| 233 | 1 | } |
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| 234 | 1 | $result[$method][$item['status']] += intval($item['c']); |
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| 235 | 3 | } |
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| 236 | 3 | } |
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| 237 | |||
| 238 | /** |
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| 239 | * Get the next job to run (can be filtered by workername and method name). |
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| 240 | * |
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| 241 | * @param string $workerName |
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| 242 | * @param string $methodName |
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| 243 | * @param bool $prioritize |
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| 244 | * @param int $runId |
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| 245 | * |
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| 246 | * @return Job|null |
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| 247 | */ |
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| 248 | 11 | public function getJob($workerName = null, $methodName = null, $prioritize = true, $runId = null) |
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| 249 | { |
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| 250 | do { |
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| 251 | 11 | $queryBuilder = $this->getJobQueryBuilder($workerName, $methodName, $prioritize); |
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| 252 | 11 | $queryBuilder->select('j.id'); |
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| 253 | 11 | $queryBuilder->setMaxResults(100); |
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| 254 | |||
| 255 | /** @var QueryBuilder $queryBuilder */ |
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| 256 | 11 | $query = $queryBuilder->getQuery(); |
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| 257 | 11 | $jobs = $query->getResult(); |
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| 258 | 11 | if ($jobs) { |
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| 259 | 9 | foreach ($jobs as $job) { |
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| 260 | 9 | if ($job = $this->takeJob($job['id'], $runId)) { |
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| 261 | 9 | return $job; |
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| 262 | } |
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| 263 | } |
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| 264 | } |
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| 265 | 6 | } while ($jobs); |
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| 266 | |||
| 267 | 6 | return null; |
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| 268 | } |
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| 269 | |||
| 270 | /** |
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| 271 | * @param string|null $workerName |
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| 272 | * @param string|null $methodName |
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| 273 | * @param bool $prioritize |
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| 274 | * |
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| 275 | * @return QueryBuilder |
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| 276 | */ |
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| 277 | 11 | public function getJobQueryBuilder($workerName = null, $methodName = null, $prioritize = true) |
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| 278 | { |
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| 279 | /** @var EntityRepository $repository */ |
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| 280 | 11 | $repository = $this->getRepository(); |
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| 281 | 11 | $queryBuilder = $repository->createQueryBuilder('j'); |
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| 282 | 11 | $this->addStandardPredicate($queryBuilder); |
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| 283 | 11 | $this->addWorkerNameCriterion($queryBuilder, $workerName, $methodName); |
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| 284 | |||
| 285 | 11 | if ($prioritize) { |
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| 286 | 11 | $queryBuilder->addOrderBy('j.priority', 'DESC'); |
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| 287 | 11 | $queryBuilder->addOrderBy('j.whenAt', 'ASC'); |
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| 288 | 11 | } else { |
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| 289 | 1 | $queryBuilder->orderBy('j.whenAt', 'ASC'); |
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| 290 | } |
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| 291 | |||
| 292 | 11 | return $queryBuilder; |
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| 293 | } |
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| 294 | |||
| 295 | 12 | protected function addStandardPredicate(QueryBuilder $queryBuilder) |
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| 296 | { |
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| 297 | 12 | $dateTime = new \DateTime(); |
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| 298 | $queryBuilder |
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| 299 | 12 | ->where('j.status = :status')->setParameter(':status', BaseJob::STATUS_NEW) |
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| 300 | 12 | ->andWhere('j.locked is NULL') |
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| 301 | 12 | ->andWhere($queryBuilder->expr()->orX( |
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| 302 | 12 | $queryBuilder->expr()->isNull('j.whenAt'), |
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| 303 | 12 | $queryBuilder->expr()->lte('j.whenAt', ':whenAt') |
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| 304 | 12 | )) |
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| 305 | 12 | ->andWhere($queryBuilder->expr()->orX( |
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| 306 | 12 | $queryBuilder->expr()->isNull('j.expiresAt'), |
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| 307 | 12 | $queryBuilder->expr()->gt('j.expiresAt', ':expiresAt') |
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| 308 | 12 | )) |
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| 309 | 12 | ->setParameter(':whenAt', $dateTime) |
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| 310 | 12 | ->setParameter(':expiresAt', $dateTime); |
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| 311 | 12 | } |
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| 312 | |||
| 313 | 10 | protected function takeJob($jobId, $runId = null) |
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| 314 | { |
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| 315 | /** @var EntityRepository $repository */ |
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| 316 | 9 | $repository = $this->getRepository(); |
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| 317 | /** @var QueryBuilder $queryBuilder */ |
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| 318 | 9 | $queryBuilder = $repository->createQueryBuilder('j'); |
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| 319 | $queryBuilder |
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| 320 | 9 | ->update() |
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| 321 | 9 | ->set('j.locked', ':locked') |
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| 322 | 9 | ->setParameter(':locked', true) |
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| 323 | 9 | ->set('j.lockedAt', ':lockedAt') |
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| 324 | 9 | ->setParameter(':lockedAt', new \DateTime()) |
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| 325 | 9 | ->set('j.status', ':status') |
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| 326 | 9 | ->setParameter(':status', BaseJob::STATUS_RUNNING); |
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| 327 | 9 | if (null !== $runId) { |
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| 328 | $queryBuilder |
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| 329 | 1 | ->set('j.runId', ':runId') |
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| 330 | 1 | ->setParameter(':runId', $runId); |
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| 331 | 1 | } |
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| 332 | 9 | $queryBuilder->where('j.id = :id'); |
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| 333 | 9 | $queryBuilder->andWhere('j.locked is NULL'); |
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| 334 | 10 | $queryBuilder->setParameter(':id', $jobId); |
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| 335 | 9 | $resultCount = $queryBuilder->getQuery()->execute(); |
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| 336 | |||
| 337 | 9 | if (1 === $resultCount) { |
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| 338 | 9 | return $repository->find($jobId); |
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| 339 | } |
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| 340 | |||
| 341 | return null; |
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| 342 | } |
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| 343 | |||
| 344 | /** |
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| 345 | * Tries to update the nearest job as a batch. |
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| 346 | * |
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| 347 | * @param \Dtc\QueueBundle\Model\Job $job |
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| 348 | * |
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| 349 | * @return null|Job |
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| 350 | */ |
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| 351 | 1 | public function updateNearestBatch(\Dtc\QueueBundle\Model\Job $job) |
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| 377 | |||
| 378 | /** |
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| 379 | * @param int $newPriority |
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| 380 | * @param null|\DateTime $newWhenAt |
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| 381 | */ |
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| 382 | 1 | protected function updateBatchJob(Job $existingJob, $newPriority, $newWhenAt) |
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| 383 | { |
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| 384 | 1 | $existingPriority = $existingJob->getPriority(); |
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| 385 | 1 | $existingWhenAt = $existingJob->getWhenAt(); |
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| 386 | |||
| 387 | 1 | if ($newPriority !== $existingPriority || $newWhenAt !== $existingWhenAt) { |
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| 388 | /** @var EntityRepository $repository */ |
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| 389 | 1 | $repository = $this->getRepository(); |
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| 390 | /** @var QueryBuilder $queryBuilder */ |
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| 391 | 1 | $queryBuilder = $repository->createQueryBuilder('j'); |
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| 392 | 1 | $queryBuilder->update(); |
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| 393 | 1 | if ($newPriority !== $existingPriority) { |
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| 394 | 1 | $existingJob->setPriority($newPriority); |
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| 395 | 1 | $queryBuilder->set('j.priority', ':priority') |
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| 396 | 1 | ->setParameter(':priority', $newPriority); |
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| 397 | 1 | } |
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| 398 | 1 | if ($newWhenAt !== $existingWhenAt) { |
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| 399 | 1 | $existingJob->setWhenAt($newWhenAt); |
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| 400 | 1 | $queryBuilder->set('j.whenAt', ':whenAt') |
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| 401 | 1 | ->setParameter(':whenAt', $newWhenAt); |
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| 402 | 1 | } |
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| 403 | 1 | $queryBuilder->where('j.id = :id'); |
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| 404 | 1 | $queryBuilder->andWhere('j.locked is NULL'); |
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| 405 | 1 | $queryBuilder->setParameter(':id', $existingJob->getId()); |
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| 406 | 1 | $queryBuilder->getQuery()->execute(); |
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| 407 | 1 | } |
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| 408 | |||
| 409 | 1 | return $existingJob; |
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| 410 | } |
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| 411 | |||
| 412 | 1 | public function getWorkersAndMethods() |
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| 413 | { |
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| 414 | /** @var EntityRepository $repository */ |
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| 415 | 1 | $repository = $this->getRepository(); |
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| 416 | 1 | $queryBuilder = $repository->createQueryBuilder('j'); |
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| 417 | 1 | $this->addStandardPredicate($queryBuilder); |
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| 418 | $queryBuilder |
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| 419 | 1 | ->select('DISTINCT j.workerName, j.method'); |
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| 420 | |||
| 421 | 1 | $results = $queryBuilder->getQuery()->getArrayResult(); |
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| 422 | 1 | if (!$results) { |
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| 423 | 1 | return []; |
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| 424 | } |
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| 425 | $workerMethods = []; |
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| 426 | foreach ($results as $result) { |
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| 427 | $workerMethods[$result['workerName']][] = $result['method']; |
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| 428 | } |
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| 429 | |||
| 430 | return $workerMethods; |
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| 431 | } |
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| 432 | |||
| 433 | /** |
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| 434 | * @param string $workerName |
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| 435 | * @param string $methodName |
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| 436 | */ |
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| 437 | 2 | public function countLiveJobs($workerName = null, $methodName = null) |
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| 448 | |||
| 449 | /** |
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| 450 | * @param string $workerName |
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| 451 | * @param string $methodName |
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| 452 | * @param \Closure $progressCallback |
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| 453 | */ |
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| 454 | 1 | public function archiveAllJobs($workerName = null, $methodName = null, $progressCallback) |
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| 455 | { |
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| 456 | // First mark all Live non-running jobs as Archive |
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| 457 | 1 | $repository = $this->getRepository(); |
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| 471 | |||
| 472 | /** |
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| 473 | * Move jobs in 'archive' status to the archive table. |
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| 474 | * |
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| 475 | * This is a bit of a hack to run a lower level query so as to process the INSERT INTO SELECT |
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| 476 | * All on the server as "INSERT INTO SELECT" is not supported natively in Doctrine. |
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| 477 | * |
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| 478 | * @param string|null $workerName |
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| 479 | * @param string|null $methodName |
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| 480 | * @param \Closure $progressCallback |
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| 481 | */ |
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| 482 | 1 | protected function runArchive($workerName = null, $methodName = null, $progressCallback) |
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| 511 | } |
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| 512 |
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.