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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\FieldFactory as SimpleFieldFactory; |
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use Cron\MinutesField; |
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use Cron\HoursField; |
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use Cron\DayOfWeekField; |
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use Cron\DayOfMonthField; |
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use Cron\MonthField; |
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use Cron\YearField; |
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/** |
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* AppserverIo\Microcron\FieldFactory |
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* |
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* Flyweight factory which allows for the creation of FieldInterface implementation objects |
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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 FieldFactory extends SimpleFieldFactory |
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{ |
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/** |
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* @var array Cache of instantiated fields |
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*/ |
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private $fields = array(); |
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/** |
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* Get an instance of a field object for a cron expression position |
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* |
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* @param int $position CRON expression position value to retrieve |
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* |
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* @return \Cron\FieldInterface |
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* @throws \InvalidArgumentException if a position is not valid |
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*/ |
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3 |
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public function getField($position) |
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{ |
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3 |
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if (!isset($this->fields[$position])) { |
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3 |
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switch ($position) { |
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3 |
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case 0: |
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2 |
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$this->fields[$position] = new SecondsField(); |
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2 |
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break; |
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3 |
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case 1: |
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2 |
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$this->fields[$position] = new MinutesField(); |
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2 |
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break; |
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3 |
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case 2: |
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2 |
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$this->fields[$position] = new HoursField(); |
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2 |
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break; |
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3 |
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case 3: |
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2 |
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$this->fields[$position] = new DayOfMonthField(); |
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2 |
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break; |
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3 |
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case 4: |
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2 |
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$this->fields[$position] = new MonthField(); |
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2 |
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break; |
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3 |
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case 5: |
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2 |
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$this->fields[$position] = new DayOfWeekField(); |
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2 |
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break; |
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2 |
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case 6: |
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1 |
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$this->fields[$position] = new YearField(); |
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1 |
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break; |
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default: |
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1 |
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throw new \InvalidArgumentException( |
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1 |
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$position . ' is not a valid position' |
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); |
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} |
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} |
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2 |
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return $this->fields[$position]; |
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} |
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} |
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appserver-io /
microcron
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