git.m6w6.name Git - m6w6/hikke/blob - lib/hikke/Event/Storage.php

   1 <?php
   2
   3 /**
   4  * Hikke
   5  *
   6  * @author Michael Wallner <mike@php.net>
   7  */
   8 namespace hikke\Event;
   9
  10 use hikke\Event\Bucket;
  11
  12 /**
  13  * Storage
  14  *
  15  * @package hikke\Event
  16  */
  17 class Storage implements \Iterator, \Countable
  18 {
  19         /**
  20          * @var int
  21          */
  22         private $sequence = 1;
  23
  24         /**
  25          * @var array
  26          */
  27         private $buckets = array();
  28
  29         /**
  30          * @var array
  31          */
  32         private $iterator;
  33
  34         /**
  35          * @param object $object
  36          * @param int|float $priority
  37          * @return \hikke\Event\Bucket
  38          */
  39         public function insert($object, $priority = 0) {
  40                 $priority += $this->sequence++ / 1000;
  41                 $bucket = new Bucket($object, $priority);
  42                 $this->buckets[$bucket->getHash()] = $bucket;
  43                 return $bucket;
  44         }
  45
  46         /**
  47          * @param object $object
  48          * @return bool whether the storage container the object
  49          */
  50         public function delete($object) {
  51                 $hash = spl_object_hash($object);
  52                 if (($found = isset($this->buckets[$hash]))) {
  53                         unset($this->buckets[$hash]);
  54                 }
  55                 return $found;
  56         }
  57
  58         /**
  59          * @ignore
  60          */
  61         public function count() {
  62                 return count($this->buckets);
  63         }
  64
  65         /**
  66          * @ignore
  67          */
  68         public function rewind() {
  69                 $this->iterator = $this->buckets;
  70                 uasort($this->iterator, ["hikke\\Event\\Priority", "compare"]);
  71         }
  72
  73         /**
  74          * @ignore
  75          */
  76         public function valid() {
  77                 return NULL !== key($this->iterator);
  78         }
  79
  80         /**
  81          * @ignore
  82          */
  83         public function next() {
  84                 next($this->iterator);
  85         }
  86
  87         /**
  88          * @ignore
  89          */
  90         public function key() {
  91                 return current($this->iterator)->getPriority();
  92         }
  93
  94         /**
  95          * @ignore
  96          */
  97         public function current() {
  98                 return current($this->iterator)->getObject();
  99         }
 100 }