gearman.md

Gearman transport

The transport uses Gearman job manager. The transport uses Gearman PHP extension internally.

• Installation
• Create context
• Send message to topic
• Send message to queue
• Consume message

Installation

$ composer require enqueue/gearman

Create context

<?php
use Enqueue\Gearman\GearmanConnectionFactory;

// connects to localhost:4730
$factory = new GearmanConnectionFactory();

// same as above
$factory = new GearmanConnectionFactory('gearman:');

// connects to example host and port 5555
$factory = new GearmanConnectionFactory('gearman://example:5555');

// same as above but configured by array
$factory = new GearmanConnectionFactory([
    'host' => 'example',
    'port' => 5555
]);

$psrContext = $factory->createContext();

// if you have enqueue/enqueue library installed you can use a function from there to create the context
$psrContext = \Enqueue\dsn_to_context('gearman:');

Send message to topic

<?php
/** @var \Enqueue\Gearman\GearmanContext $psrContext */

$fooTopic = $psrContext->createTopic('aTopic');
$message = $psrContext->createMessage('Hello world!');

$psrContext->createProducer()->send($fooTopic, $message);

Send message to queue

<?php
/** @var \Enqueue\Gearman\GearmanContext $psrContext */

$fooQueue = $psrContext->createQueue('aQueue');
$message = $psrContext->createMessage('Hello world!');

$psrContext->createProducer()->send($fooQueue, $message);

Consume message:

<?php
/** @var \Enqueue\Gearman\GearmanContext $psrContext */

$fooQueue = $psrContext->createQueue('aQueue');
$consumer = $psrContext->createConsumer($fooQueue);

$message = $consumer->receive(2000); // wait for 2 seconds

$message = $consumer->receiveNoWait(); // fetch message or return null immediately 

// process a message

$consumer->acknowledge($message);
// $consumer->reject($message);

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