$symfony2EventDispatcherSubscriber = new symfony2EventDispatcherSubscriber($symfony2EventDispatcher);
// We need an EventStore. We'll use the DBAL with in-memory sqlite
$eventStore = DBALEventStore::createWithOptions('events', ['driver' => 'pdo_sqlite', 'memory' => true]);
// Register :D
$eventStore->registerEventSubscriber($symfony2EventDispatcherSubscriber);
// Create the table we need
$eventStore->createTable();
// Initialise a repository with this event store
$userRepository = new UserRepository($eventStore);
// Create a user
$user = User::createWithUsername("David");
// We can output the users username and there's no sign of an event
// event anywhere! Nifty
echo "Hello, {$user->username()}!" . PHP_EOL;
// We can even save this user, still no mention of an event
$userRepository->save($user);
// Lets backup the identifier so that we can discard and reload
$userIdentifier = $user->identifier();
unset($user);
// Load the user from the EventStore, using our repository
$user = $userRepository->load($userIdentifier);
// Viola!
echo "Hello, {$user->username()}!" . PHP_EOL;
var_dump($user);
// What about identifiers that don't exist?
try {
$userRepository->load('random');
} catch (NoEventsFoundForKeyException $noEventsFoundForKeyException) {
echo "Sorry, can't find any events for this entity." . PHP_EOL;
echo "You should probably put me in your repository and throw a more domain specific exception" . PHP_EOL;
}
