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<?php |
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/** |
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* NOTICE OF LICENSE |
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* |
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* This source file is subject to the Open Software License (OSL 3.0) |
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* that is available through the world-wide-web at this URL: |
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* http://opensource.org/licenses/osl-3.0.php |
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* |
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* Some of this work is derived from mtdowling/cron-expression which is copyrighted as: |
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* Copyright (c) 2011 Michael Dowling <[email protected]> and contributors |
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* The licence of this work can be found here: https://github.com/mtdowling/cron-expression/blob/master/LICENSE |
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* |
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* Some limitations might apply. |
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* |
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* PHP version 5 |
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* |
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* @category Library |
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* @package Microcron |
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* @author Bernhard Wick <[email protected]> |
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* @copyright 2015 TechDivision GmbH - <[email protected]> |
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
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* @link http://www.appserver.io/ |
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*/ |
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namespace AppserverIo\Microcron; |
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use Cron\AbstractField; |
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use Cron\FieldInterface; |
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use DateTime; |
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/** |
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* AppserverIo\SecondsField |
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* |
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* Field class to enable the usage of seconds. Allows: * , / - |
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* |
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* @category Library |
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* @package Microcron |
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* @author Bernhard Wick <[email protected]> |
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* @copyright 2015 TechDivision GmbH - <[email protected]> |
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
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* @link http://www.appserver.io/ |
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*/ |
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class SecondsField extends AbstractField |
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{ |
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/** |
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* Check if the respective value of a DateTime field satisfies a CRON exp |
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* |
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* @param DateTime $date DateTime object to check |
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* @param string $value CRON expression to test against |
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* |
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* @return bool Returns TRUE if satisfied, FALSE otherwise |
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*/ |
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public function isSatisfiedBy(DateTime $date, $value) |
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{ |
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return $this->isSatisfied($date->format('s'), $value); |
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} |
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/** |
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* When a CRON expression is not satisfied, this method is used to increment |
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* or decrement a DateTime object by the unit of the cron field |
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* |
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* @param DateTime $date DateTime object to change |
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* @param bool $invert (optional) Set to TRUE to decrement |
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* |
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* @return FieldInterface |
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*/ |
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public function increment(DateTime $date, $invert = false) |
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{ |
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if ($invert) { |
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$date->modify('-1 second'); |
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} else { |
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$date->modify('+1 second'); |
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} |
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return $this; |
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} |
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/** |
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* Validates a CRON expression for a given field |
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* |
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* @param string $value CRON expression value to validate |
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* |
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* @return bool Returns TRUE if valid, FALSE otherwise |
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*/ |
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public function validate($value) |
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{ |
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return (bool) preg_match('/[\*,\/\-0-9]+/', $value); |
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} |
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} |
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appserver-io /
microcron
