/**
* @param Events $events
*/
public function play(Events $events)
{
/* @var $event \Apha\Message\Event */
foreach ($events->getIterator() as $event) {
$this->eventBus->publish($event);
}
}
/**
* @param Events $history
*/
public function loadFromHistory(Events $history)
{
if ($history->size() == 0) {
return;
}
foreach ($history->getIterator() as $event) {
$this->internalApplyChange($event, false);
}
$historyCopy = $history->getArrayCopy();
/* @var $lastEvent Event */
$lastEvent = end($historyCopy);
$this->version = $lastEvent->getVersion();
}
/**
* @param Identity $aggregateId
* @param string $aggregateType
* @param Events $events
* @param int $expectedPlayHead
* @throws ConcurrencyException
*/
public function save(Identity $aggregateId, string $aggregateType, Events $events, int $expectedPlayHead)
{
if (!$this->isValidPlayHead($aggregateId, $expectedPlayHead)) {
throw new ConcurrencyException($expectedPlayHead, $this->current[$aggregateId->getValue()]);
}
$playHead = $expectedPlayHead;
foreach ($events->getIterator() as $event) {
/* @var $event Event */
$playHead++;
$event->setVersion($playHead);
$this->saveEvent($aggregateId, $aggregateType, $event);
$this->eventBus->publish($event);
}
}
