Collection.php

<?php

namespace Test;

use \Zend\EventManager\EventCollection,
    \Zend\EventManager\EventManagerAware,
    \Zend\Di\Locator,
    \Zend\EventManager\SharedEventCollectionAware,
    \Zend\EventManager\SharedEventCollection;

class Collection implements SharedEventCollectionAware
{
    protected $listeners;
    
    protected $counter = 0;
    
    public function __construct()
    {
        $this->listeners = array();
    }
    
    public function addListener(Listener $listener)
    {
        $this->listeners[] = $listener;
    }
    
    public function setSharedCollections(SharedEventCollection $sharedEventCollection)
    {
        $this->counter++;
        echo "Counter Collection: " . $this->counter . "<br />";
        //\Zend\Debug::dump($sharedEventCollection);
    }
}

config.php

<?php

return array(
    'di' => array(
        'instance' => array(
            'Test\Collection' => array(
                'injections' => array(
                    'addListener' => array(
                        array('listener' => 'Test\View'),
                    ),
                )
            ),
            'DebuggingTools\Event\View' => array(
                'shared' => true
            )
        ),
        'definition' => array(
            'class' => array(
                'Test\Collection' => array(
                    'addListener' => array(
                        'listener' => array(
                            'type' => 'Test\Listener',
                            'required' => false,
                        )
                    )
                )
            )
        )
    ),
);

Module.php

class Module
{
    public function init(Manager $moduleManager)
    {
        $events = $moduleManager->events();
        $sharedEvents = $events->getSharedCollections();
        $sharedEvents->attach('bootstrap', 'bootstrap', array($this, 'test'), 900);
    }
    
    public function test($e)
    {
        $f = $e->getParam('application')->getLocator()->get('Test\View');        
        $f1 = $e->getParam('application')->getLocator()->get('Test\View');    
        \Zend\Debug::dump($f);
        \Zend\Debug::dump($f1);

        $f = $e->getParam('application')->getLocator()->get('Test\Collection');


    }
}

output.txt

constructed
(dump of the application's sharedeventmanager) 2x
Counter Collection: 1
Counter Collection: 2
constructed
(dump of an empty sharedeventmanager) 2x

View.php

<?php

namespace Test\Event;

use \Zend\EventManager\EventCollection,
    \Zend\EventManager\EventManager,
    \Zend\EventManager\SharedEventCollectionAware,
    \Zend\EventManager\SharedEventCollection;

class View implements Listener, SharedEventCollectionAware
{
    
    public function __construct()
    {
        echo "constructed <br />";
    }
    
    public function attach(EventCollection $events) 
    {
    }
    
    public function detach(EventCollection $events) 
    {
    }
    
    public function setSharedCollections(SharedEventCollection $sharedEventCollection)
    {
        \Zend\Debug::dump($sharedEventCollection);
    }
}