Zend_Queue background job abstract class

Job.php

<?php
/**
 * Zend_Queue background job abstract class
 * 
 * @author Bernard Baltrusaitis <bernard@runawaylover.info>
 */
abstract class My_Job
{
    /**
     *
     * @var Zend_Queue 
     */
    protected $_queue = null;
    
    /**
     * Executes given job
     * 
     * @return boolean true if job was successful 
     */
    abstract function job();
    
    public function __construct(Zend_Queue $queue)
    {
        $this->_queue = $queue;
    }
    
    public function setOptions(array $options)
    {
        foreach ($options as $name => $value) {
            $property = sprintf('_%s', $name);
            if (property_exists($this, $property)) {
                $this->{$property} = $value;
            }
        }
    }
    
    /**
     * Send job to queue
     * 
     * @return Zend_Queue_Message 
     */
    public function execute()
    {
        return $this->_queue->send(serialize($this));
    }    
}