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<?php |
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/** |
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* NextFlow (http://github.com/nextflow) |
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* |
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* @link http://github.com/nextflow/nextflow-php for the canonical source repository |
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* @copyright Copyright (c) 2014-2016 NextFlow (http://github.com/nextflow) |
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* @license https://raw.github.com/nextflow/nextflow-php/master/LICENSE MIT |
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*/ |
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namespace NextFlow\Stream\Action; |
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use InvalidArgumentException; |
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use NextFlow\Core\Action\AbstractAction; |
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/** |
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* Opens a stream. |
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*/ |
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final class StreamOpenAction extends AbstractAction |
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{ |
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/** The output socket. */ |
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const SOCKET_OUTPUT = 'out'; |
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/** The filename variable socket. */ |
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const SOCKET_FILENAME = 'filename'; |
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/** The mode variable socket. */ |
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const SOCKET_MODE = 'mode'; |
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/** The stream variable socket. */ |
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const SOCKET_STREAM = 'stream'; |
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/** |
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* Initializes a new instance of this class. |
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*/ |
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public function __construct() |
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{ |
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parent::__construct(); |
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$this->createSocket(self::SOCKET_OUTPUT); |
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$this->createSocket(self::SOCKET_FILENAME); |
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$this->createSocket(self::SOCKET_MODE); |
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$this->createSocket(self::SOCKET_STREAM); |
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} |
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/** |
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* Executes the node's logic. |
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*/ |
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public function execute() |
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{ |
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$fileNameSocket = $this->getSocket(self::SOCKET_FILENAME); |
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if (!$fileNameSocket || !$fileNameSocket->hasNodes()) { |
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throw new InvalidArgumentException('There is no filename provided.'); |
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} |
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$modeSocket = $this->getSocket(self::SOCKET_MODE); |
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if (!$modeSocket || !$modeSocket->hasNodes()) { |
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throw new InvalidArgumentException('There is no stream mode provided.'); |
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} |
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$resourceSocket = $this->getSocket(self::SOCKET_STREAM); |
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if (!$resourceSocket || !$resourceSocket->hasNodes()) { |
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throw new InvalidArgumentException('There is no stream variable provided.'); |
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} |
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$fileNameValue = $fileNameSocket->getNode(0)->getValue(); |
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$modeValue = $modeSocket->getNode(0)->getValue(); |
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$resource = fopen($fileNameValue, $modeValue); |
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$resourceSocket->getNode(0)->setValue($resource); |
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$this->activate(self::SOCKET_OUTPUT); |
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} |
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} |
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nextflow /
nextflow-php
