TASK: Introduce ErrorHandlingService

Author: dfeyer

Classes/Flowpack/ElasticSearch/ContentRepositoryAdaptor/Service/ErrorHandlingService.php

@@ -0,0 +1,50 @@
+<?php
+namespace Flowpack\ElasticSearch\ContentRepositoryAdaptor\Service;
+
+/*                                                                                                  *
+ * This script belongs to the TYPO3 Flow package "Flowpack.ElasticSearch.ContentRepositoryAdaptor". *
+ *                                                                                                  *
+ * It is free software; you can redistribute it and/or modify it under                              *
+ * the terms of the GNU Lesser General Public License, either version 3                             *
+ *  of the License, or (at your option) any later version.                                          *
+ *                                                                                                  *
+ * The TYPO3 project - inspiring people to share!                                                   *
+ *                                                                                                  */
+
+use Flowpack\ElasticSearch\ContentRepositoryAdaptor\Indexer\Error\ErrorInterface;
+use TYPO3\Flow\Annotations as Flow;
+
+/**
+ * Error Handling Service
+ *
+ * @Flow\Scope("singleton")
+ */
+class ErrorHandlingService implements \IteratorAggregate
+{
+    protected $errors = [];
+
+    /**
+     * @param ErrorInterface $error
+     */
+    public function log(ErrorInterface $error)
+    {
+        $this->errors[] = $error;
+        $error->log();
+    }
+
+    /**
+     * @return bool
+     */
+    public function hasError()
+    {
+        return count($this->errors) > 0;
+    }
+
+    /**
+     * @return \ArrayIterator
+     */
+    public function getIterator()
+    {
+        return new \ArrayIterator($this->errors);
+    }
+}