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<?php |
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/** |
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* Copyright 2017 NanoSector |
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* |
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* You should have received a copy of the MIT license with the project. |
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* See the LICENSE file for more information. |
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*/ |
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namespace Yoshi2889\Tasks; |
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class RepeatableTask implements TaskInterface |
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{ |
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/** |
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* @var int |
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*/ |
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protected $repeatInterval = 0; |
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/** |
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* @var int |
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*/ |
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protected $expiryTime = 0; |
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/** |
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* @var TaskInterface |
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*/ |
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protected $childTask; |
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/** |
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* RepeatableTask constructor. |
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* |
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* @param TaskInterface $childTask |
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* @param int $repeatInterval |
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*/ |
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public function __construct(TaskInterface $childTask, int $repeatInterval) |
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{ |
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$this->expiryTime = time() + $repeatInterval; |
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$this->repeatInterval = $repeatInterval; |
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$this->childTask = $childTask; |
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} |
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/** |
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* @return null|TaskInterface |
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*/ |
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public function run(): ?TaskInterface |
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{ |
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if (time() >= $this->childTask->getExpiryTime()) |
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{ |
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$result = $this->childTask->run(); |
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if ($result instanceof TaskInterface) |
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$this->childTask = $result; |
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} |
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$this->expiryTime = $this->getExpiryTime() + $this->getRepeatInterval(); |
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return $this->expiryTime > 0 ? $this : null; |
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} |
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public function cancel(): void |
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{ |
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$this->childTask->cancel(); |
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$this->repeatInterval = 0; |
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$this->expiryTime = 0; |
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} |
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/** |
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* @return int |
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*/ |
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public function getRepeatInterval(): int |
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{ |
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return $this->repeatInterval; |
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} |
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/** |
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* @param int $repeatInterval |
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*/ |
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public function setRepeatInterval(int $repeatInterval) |
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{ |
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$this->repeatInterval = $repeatInterval; |
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} |
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/** |
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* @return int |
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*/ |
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public function getExpiryTime(): int |
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{ |
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return $this->expiryTime; |
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} |
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} |