[795] | 1 | <?php |
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| 2 | /**************************************************************************\ |
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| 3 | * eGroupWare * |
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| 4 | * http://www.egroupware.org * |
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| 5 | * -------------------------------------------- * |
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| 6 | * This program is free software; you can redistribute it and/or modify it * |
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| 7 | * under the terms of the GNU General Public License as published by the * |
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| 8 | * Free Software Foundation; either version 2 of the License, or (at your * |
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| 9 | * option) any later version. * |
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| 10 | \**************************************************************************/ |
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| 11 | |
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| 12 | require_once 'jobs/class.JobEnum.inc.php'; |
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| 13 | |
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| 14 | /** |
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| 15 | * Classe que verifica se um Job deve ser executado neste momento. E, em caso positivo, dispara sua execução |
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| 16 | * @author Sidnei Augusto Drovetto Junior - drovetto@gmail.com |
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| 17 | * @version 1.0 |
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| 18 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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| 19 | * @package Workflow |
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| 20 | * @subpackage Job |
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| 21 | */ |
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| 22 | class JobScheduler |
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| 23 | { |
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| 24 | /** |
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| 25 | * @var object $currentDate A data corrente (truncada nos minutos) |
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| 26 | * @access private |
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| 27 | */ |
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| 28 | private $currentDate; |
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| 29 | |
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| 30 | /** |
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| 31 | * @var object $db Objeto de conexão com o Banco de Dados |
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| 32 | * @access private |
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| 33 | */ |
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| 34 | private $db; |
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| 35 | |
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| 36 | /** |
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| 37 | * @var object $jobManager Objeto da classe JobManager |
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| 38 | * @access private |
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| 39 | */ |
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| 40 | private $jobManager; |
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| 41 | |
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| 42 | /** |
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| 43 | * Tempo máximo de execução de um Job (em microsegundos) |
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| 44 | * @name MAXIMUM_EXECUTION_TIME |
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| 45 | */ |
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| 46 | const MAXIMUM_EXECUTION_TIME = 900000000; |
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| 47 | |
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| 48 | /** |
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| 49 | * Construtor da classe JobScheduler |
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| 50 | * @return object Objeto da classe JobScheduler |
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| 51 | * @access public |
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| 52 | */ |
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| 53 | function JobScheduler() |
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| 54 | { |
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| 55 | $this->currentDate = new DateTime(date('Y-n-j G:i:00')); |
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[3167] | 56 | $this->db = &Factory::getInstance('WorkflowObjects')->getDBGalaxia()->Link_ID; |
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| 57 | $this->jobManager = &Factory::getInstance('WorkflowJobManager'); |
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[795] | 58 | } |
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| 59 | |
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| 60 | /** |
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| 61 | * Gera um objeto de data (dos Jobs) a partir de um registro de banco de dados |
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| 62 | * @param array $record Um registro da tabela de jobs |
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| 63 | * @return object Um objeto de data |
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| 64 | * @access private |
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| 65 | */ |
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| 66 | private function convertRecordToDateObject($record) |
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| 67 | { |
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| 68 | $interval = array('value' => $record['interval_value'], 'unity' => $record['interval_unity']); |
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| 69 | $startDate = new DateTime($record['time_start']); |
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| 70 | |
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| 71 | $object = null; |
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| 72 | switch ($record['date_type']) |
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| 73 | { |
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| 74 | case DateType::ABSOLUTE_DATE: |
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[3167] | 75 | $object = &Factory::getInstance('AbsoluteDate', $startDate, $interval); |
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[795] | 76 | break; |
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| 77 | |
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| 78 | case DateType::WEEK_DATE: |
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[3167] | 79 | $object = &Factory::getInstance('WeekDate', $startDate, $interval); |
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[795] | 80 | $object->setWeekDays($record['week_days']); |
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| 81 | break; |
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| 82 | |
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| 83 | case DateType::RELATIVE_DATE: |
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[3167] | 84 | $object = &Factory::getInstance('RelativeDate', $startDate, $interval); |
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[795] | 85 | $object->setOffset($record['month_offset']); |
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| 86 | break; |
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| 87 | } |
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| 88 | |
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| 89 | return $object; |
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| 90 | } |
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| 91 | |
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| 92 | /** |
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| 93 | * Verifica os jobs que devem ser executados e solicita sua execução |
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| 94 | * @return void |
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| 95 | * @access public |
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| 96 | */ |
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| 97 | public function run() |
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| 98 | { |
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| 99 | $records = $this->db->query('SELECT job.job_id, job.wf_process_id, job.name, job.time_start, job.interval_value, job.interval_unity, job.date_type, job.week_days, job.month_offset FROM egw_wf_jobs job, egw_wf_processes process WHERE job.active AND (job.wf_process_id = process.wf_p_id) AND (wf_is_active = \'y\')')->getArray(); |
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| 100 | $jobs = array(); |
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| 101 | foreach ($records as $record) |
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| 102 | if ($this->convertRecordToDateObject($record)->checkMatchesInterval($this->currentDate)) |
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| 103 | $jobs[] = $record; |
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| 104 | |
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| 105 | $runningJobs = array_map(array($this, 'execute'), $jobs); |
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| 106 | |
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| 107 | $numerOfJobs = count($runningJobs); |
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| 108 | $timeLeft = JobScheduler::MAXIMUM_EXECUTION_TIME; |
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| 109 | $timeStep = 50000; |
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| 110 | do |
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| 111 | { |
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| 112 | $active = false; |
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| 113 | for ($i = 0; ($i < $numerOfJobs) && !$active; $i++) |
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| 114 | $active = $active || $runningJobs[$i]->isActive(); |
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| 115 | usleep($timeStep); |
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| 116 | $timeLeft -= $timeStep; |
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| 117 | if ($timeLeft <= 0) |
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| 118 | $active = false; |
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| 119 | } |
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| 120 | while ($active); |
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| 121 | |
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| 122 | for ($i = 0; $i < $numerOfJobs; $i++) |
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| 123 | { |
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| 124 | if (!$runningJobs[$i]->isActive()) |
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| 125 | { |
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| 126 | if (strpos(($errors = $runningJobs[$i]->getError()), 'PHP Fatal error') !== false) |
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| 127 | $this->jobManager->writeLog($jobs[$i]['job_id'], $this->currentDate, $errors, JobManager::STATUS_ERROR); |
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| 128 | $runningJobs[$i]->close(); |
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| 129 | } |
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| 130 | else |
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| 131 | { |
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| 132 | $runningJobs[$i]->kill(); |
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| 133 | $this->jobManager->writeLog($jobs[$i]['job_id'], $this->currentDate, 'O Job foi abortado por ultrapassar o limite do tempo de execução (atualmente em: ' . (JobScheduler::MAXIMUM_EXECUTION_TIME / 1000000) . 's)', JobManager::STATUS_FAIL); |
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| 134 | } |
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| 135 | } |
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| 136 | } |
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| 137 | |
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| 138 | /** |
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| 139 | * Dispara a execução de um Job |
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| 140 | * @param array $job Um registro da tabela de jobs |
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| 141 | * @param bool $testMode Indica se o Job será executado em modo de teste (true) ou não (false) |
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| 142 | * @return object Um objeto da classe Thread que gerencia a execução do Job |
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| 143 | * @access public |
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| 144 | */ |
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| 145 | public function execute($job, $testMode = false) |
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| 146 | { |
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| 147 | if (($job['interval_unity'] == DateUnity::NONE) && (!$testMode)) |
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| 148 | { |
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| 149 | $disable = true; |
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| 150 | if ($job['date_type'] == DateType::WEEK_DATE) |
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| 151 | if (WeekDate::getWeekDay($this->currentDate) <= ($job['week_days'] - WeekDate::getWeekDay($this->currentDate))) |
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| 152 | $disable = false; |
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| 153 | |
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| 154 | if ($disable) |
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| 155 | $records = $this->db->query('UPDATE egw_wf_jobs SET active = FALSE WHERE job_id = ?', array($job['job_id'])); |
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| 156 | } |
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| 157 | |
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| 158 | $parameters = array(); |
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| 159 | $parameters['file'] = $this->jobManager->getJobFile($job['job_id']); |
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| 160 | $parameters['jobID'] = $job['job_id']; |
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| 161 | $parameters['processID'] = $job['wf_process_id']; |
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| 162 | $parameters['currentDate'] = $this->currentDate->format('Y-m-d H:i:00'); |
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| 163 | $parameters['className'] = $this->jobManager->getClassName($job['job_id']); |
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| 164 | $parameters['maximumExecutionTime'] = JobScheduler::MAXIMUM_EXECUTION_TIME / 1000000; |
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| 165 | $parameters['testMode'] = $testMode; |
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[3184] | 166 | if(!empty($job['parameters'])) |
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| 167 | $parameters['jobParams'] = $job['parameters']; |
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| 168 | |
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[795] | 169 | $parameters = base64_encode(serialize($parameters)); |
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| 170 | |
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| 171 | $previousDir = getcwd(); |
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| 172 | chdir(GALAXIA_LIBRARY . '/../'); |
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[3167] | 173 | $output = Factory::newInstance('Thread', 'class.JobRunner.inc.php "' . $parameters . '"'); |
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[795] | 174 | chdir($previousDir); |
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| 175 | return $output; |
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| 176 | } |
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| 177 | |
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| 178 | /** |
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| 179 | * Pega a data atual |
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| 180 | * @return object A data atual |
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| 181 | * @access public |
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| 182 | */ |
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| 183 | public function getCurrentDate() |
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| 184 | { |
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| 185 | return $this->currentDate; |
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| 186 | } |
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| 187 | } |
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| 188 | |
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| 189 | /* se este arquivo é executado a partir da linha de comando, executa os |
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| 190 | * jobs que estão programados para execução no momento da chamada */ |
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| 191 | if (php_sapi_name() == 'cli') |
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| 192 | { |
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| 193 | require_once 'common.inc.php'; |
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[3167] | 194 | Factory::getInstance('WorkflowMacro')->prepareEnvironment(); |
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[795] | 195 | |
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[3167] | 196 | $job = Factory::newInstance('JobScheduler'); |
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[795] | 197 | $job->run(); |
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| 198 | } |
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| 199 | ?> |
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