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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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namespace Illuminate\Cache;
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use Illuminate\Support\Carbon;
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class ArrayLock extends Lock
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{
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    /**
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     * The parent array cache store.
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     *
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     * @var \Illuminate\Cache\ArrayStore
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     */
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    protected $store;
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    /**
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     * Create a new lock instance.
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     *
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     * @param  \Illuminate\Cache\ArrayStore  $store
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     * @param  string  $name
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     * @param  int  $seconds
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     * @param  string|null  $owner
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     * @return void
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     */
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    public function __construct($store, $name, $seconds, $owner = null)
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    {
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        parent::__construct($name, $seconds, $owner);
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        $this->store = $store;
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    }
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    /**
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     * Attempt to acquire the lock.
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     *
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     * @return bool
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     */
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    public function acquire()
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    {
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        $expiration = $this->store->locks[$this->name]['expiresAt'] ?? Carbon::now()->addSecond();
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        if ($this->exists() && $expiration->isFuture()) {
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            return false;
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        }
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        $this->store->locks[$this->name] = [
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            'owner' => $this->owner,
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            'expiresAt' => $this->seconds === 0 ? null : Carbon::now()->addSeconds($this->seconds),
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        ];
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        return true;
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    }
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    /**
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     * Determine if the current lock exists.
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     *
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     * @return bool
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     */
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    protected function exists()
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    {
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        return isset($this->store->locks[$this->name]);
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    }
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    /**
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     * Release the lock.
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     *
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     * @return bool
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     */
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    public function release()
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    {
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        if (! $this->exists()) {
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            return false;
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        }
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        if (! $this->isOwnedByCurrentProcess()) {
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            return false;
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        }
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        $this->forceRelease();
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        return true;
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    }
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    /**
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     * Returns the owner value written into the driver for this lock.
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     *
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     * @return string
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     */
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    protected function getCurrentOwner()
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    {
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        return $this->store->locks[$this->name]['owner'];
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    }
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    /**
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     * Releases this lock in disregard of ownership.
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     *
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     * @return void
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     */
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    public function forceRelease()
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    {
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        unset($this->store->locks[$this->name]);
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    }
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}