Mischa Spelt
7b9674110e
- Add package.json dependencies: jquery, jquery-ui, moment, daterangepicker, wavesurfer.js, air-datepicker - Create scripts/setup-vendor.js to copy npm packages to public/assets/vendor - Update view templates to use vendor paths instead of old /js/ or CDN URLs - Clean up legacy commented-out scripts in master layout
68 lines
1.6 KiB
PHP
68 lines
1.6 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Console\Command;
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use Symfony\Component\Console\Exception\LogicException;
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use Symfony\Component\Lock\LockFactory;
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use Symfony\Component\Lock\Store\FlockStore;
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use Symfony\Component\Lock\Store\SemaphoreStore;
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/**
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* Basic lock feature for commands.
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*
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* @author Geoffrey Brier <geoffrey.brier@gmail.com>
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*/
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trait LockableTrait
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{
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private $lock = null;
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/**
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* Locks a command.
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*/
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private function lock(string $name = null, bool $blocking = false): bool
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{
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if (!class_exists(SemaphoreStore::class)) {
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throw new LogicException('To enable the locking feature you must install the symfony/lock component.');
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}
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if (null !== $this->lock) {
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throw new LogicException('A lock is already in place.');
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}
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if (SemaphoreStore::isSupported()) {
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$store = new SemaphoreStore();
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} else {
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$store = new FlockStore();
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}
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$this->lock = (new LockFactory($store))->createLock($name ?: $this->getName());
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if (!$this->lock->acquire($blocking)) {
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$this->lock = null;
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return false;
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}
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return true;
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}
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/**
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* Releases the command lock if there is one.
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*/
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private function release()
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{
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if ($this->lock) {
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$this->lock->release();
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$this->lock = null;
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}
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}
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}
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