133 lines
3.9 KiB
PHP
133 lines
3.9 KiB
PHP
<?php
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/**
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* FuzeWorks Component.
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*
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* The FuzeWorks PHP FrameWork
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*
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* Copyright (C) 2013-2019 TechFuze
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* @author TechFuze
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* @copyright Copyright (c) 2013 - 2019, TechFuze. (http://techfuze.net)
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* @license https://opensource.org/licenses/MIT MIT License
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*
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* @link http://techfuze.net/fuzeworks
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* @since Version 1.2.0
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*
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* @version Version 1.2.0
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*/
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namespace FuzeWorks\Async\Constraint;
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use FuzeWorks\Async\Constraint;
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use FuzeWorks\Async\Task;
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use FuzeWorks\Async\Tasks;
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use FuzeWorks\Async\TasksException;
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use FuzeWorks\Exception\FactoryException;
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use FuzeWorks\Exception\LibraryException;
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use FuzeWorks\Factory;
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use FuzeWorks\Libraries;
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class GroupDependencyConstraint implements Constraint
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{
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/**
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* @var string
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*/
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protected $groupName;
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protected $returnStatus = Task::DELAYED;
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public function __construct(string $groupName)
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{
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$this->groupName = $groupName;
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}
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/**
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* @inheritDoc
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*/
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public function intervene(Task $task, array $tasks): bool
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{
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// Find whether any task is not completed
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foreach ($tasks as $t)
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{
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foreach ($t->getConstraints() as $constraint)
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{
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// Check whether the constraint is a GroupConstraint
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if ($constraint instanceof GroupConstraint && $this->groupName === $constraint->getGroupName())
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{
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$this->returnStatus = Task::DELAYED;
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return true;
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}
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}
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}
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// After all known tasks have run, check if all have ended without a CANCELLED status
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$taskStorage = $this->loadTasksLib()->getTaskStorage();
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$tasks = $taskStorage->getTasksByAttribute('groupName', $this->groupName);
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foreach ($tasks as $t)
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{
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if ($t->getStatus() === Task::CANCELLED)
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{
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$this->returnStatus = Task::CANCELLED;
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$task->setOutput('', 'Task cancelled due to failed group dependency.');
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return true;
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}
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}
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return false;
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}
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/**
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* @inheritDoc
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*/
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public function blockCode(): int
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{
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return $this->returnStatus;
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}
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/**
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* @inheritDoc
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*/
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public function delayTime(): int
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{
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return time() + 3;
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}
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/**
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* Load the tasks library, so that dependencies can get scanned later
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*
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* @return Tasks
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* @throws TasksException
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*/
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private function loadTasksLib(): Tasks
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{
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try {
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/** @var Libraries $libraries */
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$libraries = Factory::getInstance('libraries');
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/** @var Tasks $tasks */
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$tasks = $libraries->get('async');
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return $tasks;
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} catch (FactoryException | LibraryException $e) {
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throw new TasksException("Could not constrain task. Async library could not be loaded.");
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}
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}
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} |