Exemplo n.º 1
0
 /**
  * Add another future to the set of futures. This is useful if you have a
  * set of futures to run mostly in parallel, but some futures depend on
  * others.
  *
  * @param Future  @{class:Future} to add to iterator
  * @task basics
  */
 public function addFuture(Future $future, $key = null)
 {
     if ($key === null) {
         $this->futures[] = $future;
         $this->wait[] = last_key($this->futures);
     } else {
         if (!isset($this->futures[$key])) {
             $this->futures[$key] = $future;
             $this->wait[] = $key;
         } else {
             throw new Exception("Invalid key {$key}");
         }
     }
     // Start running the future if we don't have $this->limit futures running
     // already. updateWorkingSet() won't start running the future if there's no
     // limit, so we'll manually poke it here in that case.
     $this->updateWorkingSet();
     if (!$this->limit) {
         $future->isReady();
     }
     return $this;
 }