Updated codebase to PHP 8.0 (#53)

Author: yann-eugone

src/DispatchMessageJobLauncher.php

@@ -16,18 +16,11 @@
  */
 final class DispatchMessageJobLauncher implements JobLauncherInterface
 {
-    private JobExecutionFactory $jobExecutionFactory;
-    private JobExecutionStorageInterface $jobExecutionStorage;
-    private MessageBusInterface $messageBus;
-
     public function __construct(
-        JobExecutionFactory $jobExecutionFactory,
-        JobExecutionStorageInterface $jobExecutionStorage,
-        MessageBusInterface $messageBus
+        private JobExecutionFactory $jobExecutionFactory,
+        private JobExecutionStorageInterface $jobExecutionStorage,
+        private MessageBusInterface $messageBus,
     ) {
-        $this->jobExecutionFactory = $jobExecutionFactory;
-        $this->messageBus = $messageBus;
-        $this->jobExecutionStorage = $jobExecutionStorage;
     }
 
     /**
@@ -38,7 +31,7 @@ public function launch(string $name, array $configuration = []): JobExecution
         // create and store execution before dispatching message
         // guarantee job execution exists if message bus transport is asynchronous
         $jobExecution = $this->jobExecutionFactory->create($name, $configuration);
-        $configuration['_id'] = $configuration['_id'] ?? $jobExecution->getId();
+        $configuration['_id'] ??= $jobExecution->getId();
         $jobExecution->setStatus(BatchStatus::PENDING);
         $this->jobExecutionStorage->store($jobExecution);
 

src/LaunchJobMessage.php

@@ -9,20 +9,13 @@
  */
 final class LaunchJobMessage
 {
-    private string $jobName;
-
-    /**
-     * @phpstan-var array<string, mixed>
-     */
-    private array $configuration;
-
-    /**
-     * @phpstan-param array<string, mixed> $configuration
-     */
-    public function __construct(string $jobName, array $configuration = [])
-    {
-        $this->jobName = $jobName;
-        $this->configuration = $configuration;
+    public function __construct(
+        private string $jobName,
+        /**
+         * @phpstan-var array<string, mixed>
+         */
+        private array $configuration = [],
+    ) {
     }
 
     public function getJobName(): string

src/LaunchJobMessageHandler.php

@@ -12,11 +12,9 @@
  */
 final class LaunchJobMessageHandler implements MessageHandlerInterface
 {
-    private JobLauncherInterface $jobLauncher;
-
-    public function __construct(JobLauncherInterface $jobLauncher)
-    {
-        $this->jobLauncher = $jobLauncher;
+    public function __construct(
+        private JobLauncherInterface $jobLauncher,
+    ) {
     }
 
     public function __invoke(LaunchJobMessage $message): void