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<?php |
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/** |
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* TCronTask class file. |
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* |
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* @author Brad Anderson <[email protected]> |
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* @link https://github.com/pradosoft/prado |
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* @license https://github.com/pradosoft/prado/blob/master/LICENSE |
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*/ |
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namespace Prado\Util\Cron; |
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use Prado\Exceptions\TConfigurationException; |
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use Prado\Prado; |
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use Prado\TApplicationComponent; |
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use Prado\TPropertyValue; |
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/** |
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* TCronTask class. |
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* |
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* TCronTask is the base class for all cron tasks. Subclasses need to implement the |
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* abstract method {@link execute} to run tasks. |
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* If a task is not run at the schedule time, it is run at the next available task sweep. |
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* |
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* @author Brad Anderson <[email protected]> |
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* @since 4.2.0 |
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*/ |
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abstract class TCronTask extends TApplicationComponent |
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{ |
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/** @var string The name of the task */ |
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private $_name; |
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/** @var string The schedule */ |
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private $_schedule; |
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/** @var string The user Id of the task */ |
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private $_userName; |
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/** @var string The module Id */ |
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private $_moduleId; |
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/** @var TTimeScheduler The time scheduler */ |
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private $_scheduler; |
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/** @var int The number of times which the cron task has run since the counter has been cleared */ |
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private $_processCount = 0; |
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/** @var int the last time this task was run */ |
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private $_lastexectime; |
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/** |
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* This is the abstract method for running a task. |
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* @param TCronModule $cronModule the module calling the task |
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*/ |
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abstract public function execute($cronModule); |
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/** |
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* @return string the unique name of the Task |
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*/ |
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public function getName() |
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{ |
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return $this->_name; |
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} |
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/** |
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* @param string $name the unique name of the Task |
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*/ |
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public function setName($name) |
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{ |
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$this->_name = TPropertyValue::ensureString($name); |
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} |
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/** |
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* @return string the cron style schedule of the task |
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*/ |
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public function getSchedule() |
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{ |
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return $this->_schedule; |
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} |
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/** |
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* |
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* @param string $schedule the cron style schedule of the task |
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*/ |
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public function setSchedule($schedule) |
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{ |
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$this->_schedule = TPropertyValue::ensureString($schedule); |
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if ($this->_scheduler) { |
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$this->_scheduler->setSchedule($this->_schedule); |
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} |
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} |
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/** |
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* @return string the task being executed |
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*/ |
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public function getTask() |
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{ |
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return get_class($this); |
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} |
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/** |
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* @return string the user id executing the Task |
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*/ |
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public function getUserName() |
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{ |
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return $this->_userName; |
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} |
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/** |
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* @param string $username the user id executing the Task |
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*/ |
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public function setUserName($username) |
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{ |
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$this->_userName = TPropertyValue::ensureString($username); |
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} |
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/** |
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* @return null|string the utility module for the task |
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*/ |
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public function getModuleId() |
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{ |
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return $this->_moduleId; |
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} |
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/** |
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* |
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* @param string $moduleId the utility module for the task. |
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*/ |
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public function setModuleId($moduleId) |
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{ |
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$this->_moduleId = ($moduleId !== null) ? TPropertyValue::ensureString($moduleId) : null; |
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} |
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/** |
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* @return null|\Prado\IModule returns the module from ModuleId |
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*/ |
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public function getModule() |
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{ |
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$app = $this->getApplication(); |
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$module = $app->getModule($this->_moduleId); |
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if ($module === null && $this->_moduleId !== null) { |
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throw new TConfigurationException('crontask_no_module', $this->_moduleId); |
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} |
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return $module; |
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} |
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/** |
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* @return int the number of times the task has run |
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*/ |
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public function getProcessCount() |
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{ |
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return $this->_processCount; |
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} |
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/** |
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* |
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* @param int $count the number of times the task has run |
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*/ |
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public function setProcessCount($count) |
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{ |
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return $this->_processCount = $count; |
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} |
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/** |
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* @return numeric the time of running this cron task |
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*/ |
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public function getLastExecTime() |
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{ |
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return $this->_lastexectime; |
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} |
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/** |
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* sometimes floats don't output correctly to 6 significant figures (microtime). |
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* @param numeric $v the time of running this cron task |
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*/ |
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public function setLastExecTime($v) |
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{ |
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if ($v !== null) { |
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$this->_lastexectime = TPropertyValue::ensureInteger($v); |
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} else { |
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$this->_lastexectime = null; |
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} |
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} |
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/** |
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* Resets the lastExecTime to either null or, if there is a next trigger |
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* time from time(), sets lastExecTime to now. This prevents erroneously |
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* triggering repeating tasks on first cron from existing prior triggers |
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* from time=0. |
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*/ |
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public function resetTaskLastExecTime() |
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{ |
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$now = time(); |
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$schedule = $this->getScheduler(); |
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$nextTriggerTime = $schedule->getNextTriggerTime($now); |
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$this->_lastexectime = ($nextTriggerTime === null) ? null : |
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(($schedule->getNextTriggerTime(0) == $nextTriggerTime) ? null : $now); |
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} |
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/** |
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* @return null|numeric time of the next trigger after the lastExecTime, null if none. |
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*/ |
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public function getNextTriggerTime() |
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{ |
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$s = $this->getScheduler(); |
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return $s->getNextTriggerTime($this->_lastexectime ?? 0); |
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} |
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/** |
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* @return bool is the current time after the NextTriggerTime |
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*/ |
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public function getIsPending() |
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{ |
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$trigger = $this->getNextTriggerTime(); |
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return $trigger !== null && time() >= $trigger; |
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} |
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/** |
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* @return \Prado\Util\Cron\TTimeScheduler the time scheduler for processing the schedule |
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*/ |
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public function getScheduler() |
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{ |
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if ($this->_scheduler === null) { |
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$this->_scheduler = Prado::createComponent('Prado\\Util\\Cron\\TTimeScheduler'); |
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$this->_scheduler->setSchedule($this->_schedule); |
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} |
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return $this->_scheduler; |
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} |
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/** |
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* Returns an array with the names of all variables of this object that should NOT be serialized |
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* because their value is the default one or useless to be cached for the next load. |
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* Reimplement in derived classes to add new variables, but remember to also to call the parent |
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* implementation first. |
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* @param array $exprops by reference |
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*/ |
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protected function _getZappableSleepProps(&$exprops) |
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{ |
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parent::_getZappableSleepProps($exprops); |
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$exprops[] = "\0Prado\Util\Cron\TCronTask\0_scheduler"; |
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if ($this->_userName === null) { |
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$exprops[] = "\0Prado\Util\Cron\TCronTask\0_userName"; |
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} |
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if ($this->_moduleId === null) { |
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$exprops[] = "\0Prado\Util\Cron\TCronTask\0_moduleId"; |
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} |
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if ($this->_processCount == 0) { |
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$exprops[] = "\0Prado\Util\Cron\TCronTask\0_processCount"; |
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} |
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if ($this->_lastexectime == null) { |
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$exprops[] = "\0Prado\Util\Cron\TCronTask\0_lastexectime"; |
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} |
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} |
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} |
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