public static function runJobs_pre($offset = 200, $mode = NULL)
{
$job = new CRM_Mailing_BAO_Job();
$config = CRM_Core_Config::singleton();
$jobTable = CRM_Mailing_DAO_Job::getTableName();
$mailingTable = CRM_Mailing_DAO_Mailing::getTableName();
$currentTime = date('YmdHis');
$mailingACL = CRM_Mailing_BAO_Mailing::mailingACL('m');
$workflowClause = CRM_Mailing_BAO_Job::workflowClause();
$domainID = CRM_Core_Config::domainID();
$modeClause = 'AND m.sms_provider_id IS NULL';
if ($mode == 'sms') {
$modeClause = 'AND m.sms_provider_id IS NOT NULL';
}
// Select all the mailing jobs that are created from
// when the mailing is submitted or scheduled.
$query = "\n\t\tSELECT j.*\n\t\t FROM {$jobTable} j,\n\t\t\t\t {$mailingTable} m\n\t\t WHERE m.id = j.mailing_id AND m.domain_id = {$domainID}\n {$workflowClause}\n {$modeClause}\n\t\t AND j.is_test = 0\n\t\t AND ( ( j.start_date IS null\n\t\t AND j.scheduled_date <= {$currentTime}\n\t\t AND j.status = 'Scheduled'\n\t\t AND j.end_date IS null ) )\n\t\t AND ((j.job_type is NULL) OR (j.job_type <> 'child'))\n\t\tORDER BY j.scheduled_date,\n\t\t\t\t j.start_date";
$job->query($query);
// For each of the "Parent Jobs" we find, we split them into
// X Number of child jobs
while ($job->fetch()) {
// still use job level lock for each child job
$lockName = "civimail.job.{$job->id}";
$lock = new CRM_Core_Lock($lockName);
if (!$lock->isAcquired()) {
continue;
}
// Re-fetch the job status in case things
// changed between the first query and now
// to avoid race conditions
$job->status = CRM_Core_DAO::getFieldValue('CRM_Mailing_DAO_Job', $job->id, 'status');
if ($job->status != 'Scheduled') {
$lock->release();
continue;
}
$job->split_job($offset);
// update the status of the parent job
$transaction = new CRM_Core_Transaction();
$saveJob = new CRM_Mailing_DAO_Job();
$saveJob->id = $job->id;
$saveJob->start_date = date('YmdHis');
$saveJob->status = 'Running';
$saveJob->save();
$transaction->commit();
// Release the job lock
$lock->release();
}
}