/**
* Will release a lock with the given name,
* if it has been acquired before
*/
public function release()
{
if ($this->counter > 1) {
// this is a lock that we acquired multiple times:
// simply decrease counter
$this->counter -= 1;
//error_log('released ' . getmypid() . "[{$this->counter}]");
} elseif ($this->counter == 1) {
// simply release the lock
$this->counter = 0;
$this->lock->release();
self::$_acquired_lock = NULL;
//error_log('released ' . getmypid());
} else {
// lock has already been released!
error_log("org.project60.sepa: This process cannot realease lock '{$name}', it has already been released before.");
throw new Exception("This process cannot realease lock '{$name}', it has already been released before.");
}
}
/**
* Get a batching lock
*
* the lock is needed so that only one relevant process can access the
* SEPA data structures at a time
*
* @return CRM_Utils_SepaSafeLock object, or NULL if acquisition timed out
*/
static function getLock()
{
$timeout = CRM_Sepa_Logic_Settings::getSetting('batching.UPDATE.lock.timeout');
return CRM_Utils_SepaSafeLock::acquireLock('org.project60.sepa.batching.update', $timeout);
}