Bit of cleanup

src/Worker/DefaultWorkerFactory.php

@@ -14,8 +14,6 @@ final class DefaultWorkerFactory implements WorkerFactory
 {
     public const SCRIPT_PATH = __DIR__ . "/Internal/task-runner.php";
 
-    private ?ContextFactory $contextFactory;
-
     /**
      * @param string $cacheClass Name of class implementing {@see Cache} to instantiate in each worker. Defaults
      * to {@see LocalCache}.
@@ -24,7 +22,7 @@ final class DefaultWorkerFactory implements WorkerFactory
      */
     public function __construct(
         private ?string $bootstrapPath = null,
-        ?ContextFactory $contextFactory = null,
+        private ?ContextFactory $contextFactory = null,
         private string $cacheClass = LocalCache::class,
     ) {
         $this->contextFactory = $contextFactory;

src/Worker/DefaultWorkerPool.php

@@ -21,12 +21,6 @@ final class DefaultWorkerPool implements WorkerPool
     /** @var bool Indicates if the pool is currently running. */
     private bool $running = true;
 
-    /** @var int The maximum number of workers the pool should spawn. */
-    private int $limit;
-
-    /** @var WorkerFactory A worker factory to be used to create new workers. */
-    private ?WorkerFactory $factory;
-
     /** @var \SplObjectStorage A collection of all workers in the pool. */
     private \SplObjectStorage $workers;
 
@@ -50,17 +44,14 @@ final class DefaultWorkerPool implements WorkerPool
      *
      * @throws \Error
      */
-    public function __construct(int $limit = self::DEFAULT_WORKER_LIMIT, ?WorkerFactory $factory = null)
-    {
+    public function __construct(
+        private int $limit = self::DEFAULT_WORKER_LIMIT,
+        private ?WorkerFactory $factory = null,
+    ) {
         if ($limit < 0) {
             throw new \Error("Maximum size must be a non-negative integer");
         }
 
-        $this->limit = $limit;
-
-        // Use the global factory if none is given.
-        $this->factory = $factory;
-
         $this->workers = new \SplObjectStorage;
         $this->idleWorkers = new \SplQueue;