add SelectableWorkerBootstrap (#25)

src/SAREhub/DockerUtil/Worker/SelectableWorkerBootstrap.php

@@ -0,0 +1,30 @@
+<?php
+
+
+namespace SAREhub\DockerUtil\Worker;
+
+
+use Psr\Log\LogLevel;
+use SAREhub\Commons\Logger\StreamLoggerFactoryProvider;
+use SAREhub\Commons\Misc\EnvironmentHelper;
+
+abstract class SelectableWorkerBootstrap
+{
+    const ENV_WORKER_TYPE = "WORKER_TYPE";
+
+    public function run(): void
+    {
+        $workerType = strtoupper(EnvironmentHelper::getRequiredVar(self::ENV_WORKER_TYPE));
+        $factoryClass = $this->getWorkerContainerFactoryClassByType($workerType);
+        $errorHandler = $this->createUnexpectedErrorHandler();
+        WorkerBootstrap::create($factoryClass, $errorHandler)->run();
+    }
+
+    protected abstract function getWorkerContainerFactoryClassByType(string $type): string;
+
+    protected function createUnexpectedErrorHandler(): UnexpectedErrorHandler
+    {
+        $defaultLoggerFactory = (new StreamLoggerFactoryProvider(LogLevel::CRITICAL, null))->get();
+        return new DefaultUnexpectedErrorHandler($defaultLoggerFactory);
+    }
+}