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Zend Framework: Zend_Queue_Adapter_Starling Component Proposal

Table of Contents

1. Overview

Zend_Queue_Adapter_Starling is a component that add support to Starling queue server into Zend_Queue component.

2. References

• Starling homepage at GitHub
• Starling ruby gem
• Starling: A Ruby Persistent Queue Server That Speaks Memcached
• Integrating Starling into Zend Framework (rus)

3. Component Requirements, Constraints, and Acceptance Criteria

• This component will provide operations adding message.
• This component will provide operations retreiving message.
• This component will provide operations adding queue.
• This component will provide operations deleting queue Starling server with all messages.
• This component will provide operations counting message in the queue.
• This component will provide retrieving list of he queues in the server.
• This component will not support deleting message from the queue, only retreive with deleting.
• This component will use Zend_Queue_Adapter_Memcacheq because Starling has Memcached protocol (with some difference).
• This component will not save any data using Zend_Cache or the filesystem.

4. Dependencies on Other Framework Components

• Zend_Exception
• Zend_Queue_Adapter_Memcacheq

5. Theory of Operation

The component is instantiated with a mind-link that:
$starling = new Zend_Queue(new ZendExtra_Queue_Adapter_Starling(array()), array('name' => 'myqueue1'));

6. Milestones / Tasks

• Milestone 1: [DONE] design notes will be published here
• Milestone 2: [DONE] Making class sceleton and prototype.
• Milestone 3: Working prototype checked into the incubator supporting use cases #1, #2.
• Milestone 4: Initial documentation exists.

7. Class Index

• Zend_Queue_Adapter_Starling

8. Use Cases

// Add job to queue
$starling = new Zend_Queue(new ZendExtra_Queue_Adapter_Starling(array()), array('name' => 'myqueue1'));
$starling->send(array('jobKey' => 'jobText'));

// Get job from queue
$starling = new Zend_Queue(new ZendExtra_Queue_Adapter_Starling(array()), array('name' => 'myqueue1'));
var_dump($starling->receive(2)->toArray()); // Messages also deleting from queue

9. Class Skeletons