Zend_Notification

Under Construction This proposal is under construction and is not ready for review.

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Zend Framework: Zend_Notification Component Proposal

Table of Contents

1. Overview

Zend_Notification is a component based on Apple's NSNotification idea.
It's an observer pattern implementation for system wide event notification.
For a detailed explanation, please see the documentation in the references section.

2. References

• Apple Notification documentation
• My Mentis library with Notification implementation

3. Component Requirements, Constraints, and Acceptance Criteria

• This section will be updated in the near future

4. Dependencies on Other Framework Components

• Zend_Exception

5. Theory of Operation

The component is instantiated with a mind-link that ...

6. Milestones / Tasks

• Milestone 1: finish this proposal
• Milestone 2: collect and process comments
• Milestone 3: write documentation
• Milestone 4: write unit tests
• Milestone 5: get approval and move the component to incubator
• Milestone 6: finish component and move it to core

7. Class Index

• Zend_Notification
• Zend_Notification_Center
• Zend_Notification_Observer_Interface
• Zend_Notification_Exception

8. Use Cases

class CoffeeShop_Customer implements Zend_Notification_Observer_Interface
{
public function __construct()

public function notify(Zend_Notification $notification)
{
$userInfo = $notification->getUserInfo();
$sender = $notification->getObject();

switch ($notification->getName())

if ($sender instanceof CoffeeShop)

}
}

class CoffeeShop
{
protected $_notificationCenter;

public function __construct()

public function bakePie()
{
$pie = new Pie();

while (!$pie->isDone())

$this->_notificationCenter->postNotification('pieIsReady', $this, array('pie' => $pie));
}

public function makeCoffee()

}

9. Class Skeletons