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vendor/laravel/framework/src/Illuminate/Console/CacheCommandMutex.php

@@ -0,0 +1,98 @@
+<?php
+
+namespace Illuminate\Console;
+
+use Carbon\CarbonInterval;
+use Illuminate\Contracts\Cache\Factory as Cache;
+
+class CacheCommandMutex implements CommandMutex
+{
+    /**
+     * The cache factory implementation.
+     *
+     * @var \Illuminate\Contracts\Cache\Factory
+     */
+    public $cache;
+
+    /**
+     * The cache store that should be used.
+     *
+     * @var string|null
+     */
+    public $store = null;
+
+    /**
+     * Create a new command mutex.
+     *
+     * @param  \Illuminate\Contracts\Cache\Factory  $cache
+     */
+    public function __construct(Cache $cache)
+    {
+        $this->cache = $cache;
+    }
+
+    /**
+     * Attempt to obtain a command mutex for the given command.
+     *
+     * @param  \Illuminate\Console\Command  $command
+     * @return bool
+     */
+    public function create($command)
+    {
+        return $this->cache->store($this->store)->add(
+            $this->commandMutexName($command),
+            true,
+            method_exists($command, 'isolationLockExpiresAt')
+                    ? $command->isolationLockExpiresAt()
+                    : CarbonInterval::hour(),
+        );
+    }
+
+    /**
+     * Determine if a command mutex exists for the given command.
+     *
+     * @param  \Illuminate\Console\Command  $command
+     * @return bool
+     */
+    public function exists($command)
+    {
+        return $this->cache->store($this->store)->has(
+            $this->commandMutexName($command)
+        );
+    }
+
+    /**
+     * Release the mutex for the given command.
+     *
+     * @param  \Illuminate\Console\Command  $command
+     * @return bool
+     */
+    public function forget($command)
+    {
+        return $this->cache->store($this->store)->forget(
+            $this->commandMutexName($command)
+        );
+    }
+
+    /**
+     * @param  \Illuminate\Console\Command  $command
+     * @return string
+     */
+    protected function commandMutexName($command)
+    {
+        return 'framework'.DIRECTORY_SEPARATOR.'command-'.$command->getName();
+    }
+
+    /**
+     * Specify the cache store that should be used.
+     *
+     * @param  string|null  $store
+     * @return $this
+     */
+    public function useStore($store)
+    {
+        $this->store = $store;
+
+        return $this;
+    }
+}