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<?php |
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/* (c) Anton Medvedev <[email protected]> |
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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 Deployer\Task; |
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use Deployer\Server\Environment; |
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use Deployer\Server\ServerInterface; |
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use Deployer\Exception\Exception; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Output\OutputInterface; |
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class Context |
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{ |
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/** |
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* @var ServerInterface|null |
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*/ |
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private $server; |
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/** |
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* @var Environment|null |
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*/ |
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private $env; |
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/** |
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* @var InputInterface|null |
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*/ |
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private $input; |
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/** |
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* @var OutputInterface|null |
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*/ |
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private $output; |
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/** |
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* @var Context[] |
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*/ |
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private static $contexts = []; |
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/** |
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* @param ServerInterface|null $server |
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* @param Environment|null $env |
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* @param InputInterface|null $input |
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* @param OutputInterface|null $output |
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*/ |
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public function __construct($server, $env, $input, $output) |
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{ |
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$this->server = $server; |
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$this->env = $env; |
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$this->input = $input; |
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$this->output = $output; |
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} |
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/** |
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* @param Context $context |
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*/ |
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public static function push(Context $context) |
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{ |
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self::$contexts[] = $context; |
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} |
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/** |
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* @return Context|false |
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*/ |
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public static function get() |
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{ |
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return end(self::$contexts); |
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} |
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/** |
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* Returns the current context when available. |
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* |
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* Throws a Exception when not called within a task-context and therefore no Context is available. |
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* |
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* This method provides a usefull error to the end-user to make him/her aware |
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* to use a function in the required task-context. |
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* |
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* @throws Exception |
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*/ |
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public static function required($callerName) |
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{ |
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if (!self::get()) { |
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throw new Exception("'$callerName' can only be used within a 'task()'-function!"); |
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} |
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} |
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/** |
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* @return Context |
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*/ |
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public static function pop() |
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{ |
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return array_pop(self::$contexts); |
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} |
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/** |
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* @return Environment|null |
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*/ |
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public function getEnvironment() |
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{ |
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return $this->env; |
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} |
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/** |
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* @return InputInterface|null |
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*/ |
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public function getInput() |
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{ |
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return $this->input; |
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} |
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/** |
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* @return OutputInterface|null |
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*/ |
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public function getOutput() |
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{ |
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return $this->output; |
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} |
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/** |
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* @return ServerInterface|null |
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*/ |
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public function getServer() |
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{ |
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return $this->server; |
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} |
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} |
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deployphp /
deployer
