PHP code example of rxnet / eventstore-client

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

rxnet / eventstore-client example snippets

$eventStore = new \Rxnet\EventStore\EventStore();
// Default value
$eventStore->connect('tcp://admin:changeit@localhost:1113');

$eventStore = new \Rxnet\EventStore\EventStore();
// Lazy way, to connect
$eventStore->connect()
->subscribe(function() { echo "connected"; });

$eventA = new \Rxnet\EventStore\NewEvent\JsonEvent('event_type1', ['data' => 'a'], ['worker'=>'metadata']);
$eventB = new \Rxnet\EventStore\RawEvent('event_type2', 'raw data', 'raw metadata');

$eventStore->write('category-test_stream_id', [$eventA, $eventB])
    ->subscribe(function(\Rxnet\EventStore\Data\WriteEventsCompleted $eventsCompleted) {
        echo "Last event number {$eventsCompleted->getLastEventNumber()} on commit position {$eventsCompleted->getCommitPosition()} \n";
    });

$eventStore->startTransaction('category-test_stream')
    ->subscribe(
        function (\Rxnet\EventStore\Transaction $transaction) {
            $eventA = new JsonEvent('event_type', ['i' => "data"]);
            $eventB = new JsonEvent('event_type', ['i' => "data"]);
            // You can write as many as you want
            return $transaction->write([$eventA, $eventB])
                // Commit to make it work
                ->flatMap([$transaction, 'commit'])
                ->subscribe(
                    function (TransactionCommitCompleted $commitCompleted) {
                        echo "Transaction {$commitCompleted->getTransactionId()} commit completed : events from {$commitCompleted->getFirstEventNumber()} to {$commitCompleted->getLastEventNumber()} \n";
                    }
                );
        }
    );

$eventStore->persistentSubscription('projection-name', 'my-group')
    ->subscribe(function(\Rxnet\EventStore\AcknowledgeableEventRecord $event) {
        echo "received {$event->getId()} event {$event->getType()} ({$event->getNumber()}) with id {$event->getId()} on {$event->getStreamId()} \n";
        if($event->getNumber() %2) {
            $event->ack();
        }
        else {
            $event->nack($event::NACK_ACTION_RETRY, 'Explain why');
        }
    });

$eventStore->volatileSubscription('category-test_stream_id')
    ->subscribe(function(\Rxnet\EventStore\EventRecord $event) {
        echo "received {$event->getId()} event {$event->getType()} ({$event->getNumber()}) with id {$event->getId()} on {$event->getStreamId()} \n";
    });

$eventStore->catchUpSubscription('category-test_stream_id', 100)
    ->subscribe(function(\Rxnet\EventStore\EventRecord $event) {
        echo "received {$event->getId()} event {$event->getType()} ({$event->getNumber()}) with id {$event->getId()} on {$event->getStreamId()} \n";
    });

$eventStore->readEventsForward('category-test_stream_id', 0, 100)
    ->subscribe(function(\Rxnet\EventStore\EventRecord $event) {
        echo "received {$event->getId()} event {$event->getType()} ({$event->getNumber()}) with id {$event->getId()} on {$event->getStreamId()} \n";
    });

$eventStore->readEventsBackWard('category-test_stream_id', 100, 10)
    ->subscribe(function(\Rxnet\EventStore\EventRecord $event) {
        echo "received {$event->getId()} event {$event->getType()} ({$event->getNumber()}) with id {$event->getId()} on {$event->getStreamId()} \n";
    });

$eventStore->readEvent('category-test_stream_id', 0)
    ->subscribe(function(\Rxnet\EventStore\EventRecord $event) {
        echo "received {$event->getId()} event {$event->getType()} ({$event->getNumber()}) with id {$event->getId()} on {$event->getStreamId()} \n";
    });