Add sample plugin

Author: chris.boulton

extras/sample-plugin.php

@@ -0,0 +1,49 @@
+<?php
+// Somewhere in our application, we need to register:
+Resque_Event::listen('afterEnqueue', array('My_Resque_Plugin', 'afterEnqueue'));
+Resque_Event::listen('beforeFirstFork', array('My_Resque_Plugin', 'beforeFirstFork'));
+Resque_Event::listen('beforeFork', array('My_Resque_Plugin', 'beforeFork'));
+Resque_Event::listen('afterFork', array('My_Resque_Plugin', 'afterFork'));
+Resque_Event::listen('beforePerform', array('My_Resque_Plugin', 'beforePerform'));
+Resque_Event::listen('afterPerform', array('My_Resque_Plugin', 'afterPerform'));
+Resque_Event::listen('onFailure', array('My_Resque_Plugin', 'onFailure'));
+
+class My_Resque_Plugin
+{
+	public static function afterEnqueue($class, $arguments)
+	{
+		echo "Job was queued for " . $class . ". Arguments:";
+		print_r($arguments);
+	}
+	
+	public static function beforeFirstFork($worker)
+	{
+		echo "Worker started. Listening on queues: " . implode(', ', $worker->queues(false)) . "\n";
+	}
+	
+	public static function beforeFork($job)
+	{
+		echo "Just about to fork to run " . $job;
+	}
+	
+	public static function afterFork($job)
+	{
+		echo "Forked to run " . $job . ". This is the child process.\n";
+	}
+	
+	public static function beforePerform($job)
+	{
+		echo "Cancelling " . $job . "\n";
+	//	throw new Resque_Job_DontPerform;
+	}
+	
+	public static function afterPerform($job)
+	{
+		echo "Just performed " . $job . "\n";
+	}
+	
+	public static function onFailure($exception, $job)
+	{
+		echo $job . " threw an exception:\n" . $exception;
+	}
+}