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| 1 | <?php |
| 2 | declare(strict_types=1); |
| 3 | /** |
| 4 | * Pop PHP Framework (https://www.popphp.org/) |
| 5 | * |
| 6 | * @link https://github.com/popphp/popphp-framework |
| 7 | * @author Nick Sagona, III <nick@popphp.org> |
| 8 | * @copyright Copyright (c) 2009-2026 Nick Sagona, III |
| 9 | * @license https://www.popphp.org/license New BSD License |
| 10 | */ |
| 11 | |
| 12 | /** |
| 13 | * @namespace |
| 14 | */ |
| 15 | namespace Pop\Queue\Adapter; |
| 16 | |
| 17 | use Pop\Queue\Process\AbstractJob; |
| 18 | use Pop\Queue\Process\Task; |
| 19 | |
| 20 | /** |
| 21 | * In-memory adapter class |
| 22 | * |
| 23 | * A hermetic, single-process reference implementation of the adapter |
| 24 | * contract. Used to prove the contract in tests independent of any real |
| 25 | * storage backend, and as a fake for consumers of this package to test |
| 26 | * against. |
| 27 | * |
| 28 | * @category Pop |
| 29 | * @package Pop\Queue |
| 30 | * @author Nick Sagona, III <nick@popphp.org> |
| 31 | * @copyright Copyright (c) 2009-2026 Nick Sagona, III |
| 32 | * @license https://www.popphp.org/license New BSD License |
| 33 | * @version 3.0.0 |
| 34 | */ |
| 35 | class Memory extends AbstractTaskAdapter |
| 36 | { |
| 37 | |
| 38 | /** |
| 39 | * Jobs, keyed by job ID |
| 40 | * @var array |
| 41 | */ |
| 42 | protected array $jobs = []; |
| 43 | |
| 44 | /** |
| 45 | * Job metadata (sequence, status, availableAt, reservedUntil), keyed by job ID |
| 46 | * @var array |
| 47 | */ |
| 48 | protected array $meta = []; |
| 49 | |
| 50 | /** |
| 51 | * Dead-letter jobs, keyed by job ID |
| 52 | * @var array |
| 53 | */ |
| 54 | protected array $dead = []; |
| 55 | |
| 56 | /** |
| 57 | * Scheduled tasks, keyed by task ID |
| 58 | * @var array |
| 59 | */ |
| 60 | protected array $tasks = []; |
| 61 | |
| 62 | /** |
| 63 | * Task claim state: taskId => [window, expiresAt] |
| 64 | * @var array |
| 65 | */ |
| 66 | protected array $taskClaims = []; |
| 67 | |
| 68 | /** |
| 69 | * Push/reserve ordering sequence counter |
| 70 | * @var int |
| 71 | */ |
| 72 | protected int $sequence = 0; |
| 73 | |
| 74 | /** |
| 75 | * Reservation lease length, in seconds |
| 76 | * @var int |
| 77 | */ |
| 78 | protected int $leaseSeconds = 60; |
| 79 | |
| 80 | /** |
| 81 | * Constructor |
| 82 | * |
| 83 | * @param int $leaseSeconds |
| 84 | * @param ?string $priority |
| 85 | */ |
| 86 | public function __construct(int $leaseSeconds = 60, ?string $priority = null) |
| 87 | { |
| 88 | $this->leaseSeconds = $leaseSeconds; |
| 89 | parent::__construct($priority); |
| 90 | } |
| 91 | |
| 92 | public function push(AbstractJob $job): Memory |
| 93 | { |
| 94 | $jobId = $job->getJobId(); |
| 95 | $this->jobs[$jobId] = clone $job; |
| 96 | $this->meta[$jobId] = [ |
| 97 | 'sequence' => $this->sequence++, |
| 98 | 'status' => 'pending', |
| 99 | 'availableAt' => $job->getAvailableAt() ?? time(), |
| 100 | 'reservedUntil' => null, |
| 101 | ]; |
| 102 | |
| 103 | return $this; |
| 104 | } |
| 105 | |
| 106 | public function reserve(): ?AbstractJob |
| 107 | { |
| 108 | $now = time(); |
| 109 | $eligible = array_filter($this->meta, function($meta) use ($now) { |
| 110 | return ($meta['availableAt'] <= $now) && ( |
| 111 | ($meta['status'] === 'pending') || |
| 112 | (($meta['status'] === 'reserved') && ($meta['reservedUntil'] <= $now)) |
| 113 | ); |
| 114 | }); |
| 115 | |
| 116 | if (empty($eligible)) { |
| 117 | return null; |
| 118 | } |
| 119 | |
| 120 | uasort($eligible, function($a, $b) { |
| 121 | return $this->isFilo() ? ($b['sequence'] <=> $a['sequence']) : ($a['sequence'] <=> $b['sequence']); |
| 122 | }); |
| 123 | |
| 124 | $jobId = array_key_first($eligible); |
| 125 | |
| 126 | $this->meta[$jobId]['status'] = 'reserved'; |
| 127 | $this->meta[$jobId]['reservedUntil'] = $now + $this->leaseSeconds; |
| 128 | |
| 129 | return clone $this->jobs[$jobId]; |
| 130 | } |
| 131 | |
| 132 | public function release(AbstractJob $job, ?int $delay = null): Memory |
| 133 | { |
| 134 | $jobId = $job->getJobId(); |
| 135 | if (!isset($this->meta[$jobId])) { |
| 136 | return $this; |
| 137 | } |
| 138 | |
| 139 | $delay = $delay ?? $job->getBackoffDelay(); |
| 140 | |
| 141 | $this->jobs[$jobId] = clone $job; |
| 142 | $this->meta[$jobId]['status'] = 'pending'; |
| 143 | $this->meta[$jobId]['availableAt'] = time() + $delay; |
| 144 | $this->meta[$jobId]['reservedUntil'] = null; |
| 145 | |
| 146 | return $this; |
| 147 | } |
| 148 | |
| 149 | public function delete(AbstractJob $job): Memory |
| 150 | { |
| 151 | $jobId = $job->getJobId(); |
| 152 | unset($this->jobs[$jobId], $this->meta[$jobId]); |
| 153 | |
| 154 | return $this; |
| 155 | } |
| 156 | |
| 157 | public function bury(AbstractJob $job, ?string $reason = null): Memory |
| 158 | { |
| 159 | $jobId = $job->getJobId(); |
| 160 | unset($this->jobs[$jobId], $this->meta[$jobId]); |
| 161 | |
| 162 | $this->dead[$jobId] = [ |
| 163 | 'job' => clone $job, |
| 164 | 'reason' => $reason, |
| 165 | 'buriedAt' => time(), |
| 166 | ]; |
| 167 | |
| 168 | return $this; |
| 169 | } |
| 170 | |
| 171 | public function hasJobs(): bool |
| 172 | { |
| 173 | return !empty($this->jobs); |
| 174 | } |
| 175 | |
| 176 | public function count(): int |
| 177 | { |
| 178 | return count($this->jobs); |
| 179 | } |
| 180 | |
| 181 | public function clear(): Memory |
| 182 | { |
| 183 | $this->jobs = []; |
| 184 | $this->meta = []; |
| 185 | |
| 186 | return $this; |
| 187 | } |
| 188 | |
| 189 | public function hasDeadJobs(): bool |
| 190 | { |
| 191 | return !empty($this->dead); |
| 192 | } |
| 193 | |
| 194 | public function countDead(): int |
| 195 | { |
| 196 | return count($this->dead); |
| 197 | } |
| 198 | |
| 199 | public function getDeadJobs(bool $unserialize = true): array |
| 200 | { |
| 201 | $jobs = []; |
| 202 | foreach ($this->dead as $jobId => $entry) { |
| 203 | $jobs[$jobId] = $unserialize ? $entry['job'] : $entry; |
| 204 | } |
| 205 | |
| 206 | return $jobs; |
| 207 | } |
| 208 | |
| 209 | public function getDeadJob(string $jobId, bool $unserialize = true): mixed |
| 210 | { |
| 211 | if (!isset($this->dead[$jobId])) { |
| 212 | return null; |
| 213 | } |
| 214 | |
| 215 | return $unserialize ? $this->dead[$jobId]['job'] : $this->dead[$jobId]; |
| 216 | } |
| 217 | |
| 218 | public function retryDeadJob(string $jobId): Memory |
| 219 | { |
| 220 | if (isset($this->dead[$jobId])) { |
| 221 | $this->push($this->dead[$jobId]['job']); |
| 222 | unset($this->dead[$jobId]); |
| 223 | } |
| 224 | |
| 225 | return $this; |
| 226 | } |
| 227 | |
| 228 | public function deleteDeadJob(string $jobId): Memory |
| 229 | { |
| 230 | unset($this->dead[$jobId]); |
| 231 | |
| 232 | return $this; |
| 233 | } |
| 234 | |
| 235 | public function clearDead(): Memory |
| 236 | { |
| 237 | $this->dead = []; |
| 238 | |
| 239 | return $this; |
| 240 | } |
| 241 | |
| 242 | public function schedule(Task $task): Memory |
| 243 | { |
| 244 | if ($task->isValid()) { |
| 245 | $this->tasks[$task->getJobId()] = clone $task; |
| 246 | } |
| 247 | |
| 248 | return $this; |
| 249 | } |
| 250 | |
| 251 | public function getTasks(): array |
| 252 | { |
| 253 | return array_keys($this->tasks); |
| 254 | } |
| 255 | |
| 256 | public function getTask(string $taskId): ?Task |
| 257 | { |
| 258 | return isset($this->tasks[$taskId]) ? clone $this->tasks[$taskId] : null; |
| 259 | } |
| 260 | |
| 261 | public function getAllTasks(): array |
| 262 | { |
| 263 | // Cloned per task for the same reason getTask() clones: callers must not |
| 264 | // get a handle on the stored object and mutate the queue by accident. |
| 265 | return array_map(fn(Task $task) => clone $task, $this->tasks); |
| 266 | } |
| 267 | |
| 268 | public function updateTask(Task $task): Memory |
| 269 | { |
| 270 | if ($task->isValid()) { |
| 271 | $this->tasks[$task->getJobId()] = clone $task; |
| 272 | } else { |
| 273 | $this->removeTask($task->getJobId()); |
| 274 | } |
| 275 | |
| 276 | return $this; |
| 277 | } |
| 278 | |
| 279 | public function removeTask(string $taskId): Memory |
| 280 | { |
| 281 | unset($this->tasks[$taskId], $this->taskClaims[$taskId]); |
| 282 | |
| 283 | return $this; |
| 284 | } |
| 285 | |
| 286 | public function getTaskCount(): int |
| 287 | { |
| 288 | return count($this->tasks); |
| 289 | } |
| 290 | |
| 291 | public function hasTasks(): bool |
| 292 | { |
| 293 | return !empty($this->tasks); |
| 294 | } |
| 295 | |
| 296 | public function clearTasks(): Memory |
| 297 | { |
| 298 | $this->tasks = []; |
| 299 | $this->taskClaims = []; |
| 300 | |
| 301 | return $this; |
| 302 | } |
| 303 | |
| 304 | public function claimTaskRun(string $taskId, string $window): bool |
| 305 | { |
| 306 | $now = time(); |
| 307 | |
| 308 | if (isset($this->taskClaims[$taskId])) { |
| 309 | [$claimedWindow, $expiresAt] = $this->taskClaims[$taskId]; |
| 310 | if (($claimedWindow === $window) && ($expiresAt > $now)) { |
| 311 | return false; |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | $this->taskClaims[$taskId] = [$window, $now + self::TASK_CLAIM_TTL]; |
| 316 | |
| 317 | return true; |
| 318 | } |
| 319 | |
| 320 | } |