add exceptions for better error handling

src/Application/Model/Exceptions/TaskException.php

@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * This Software is the property of Data Development and is protected
+ * by copyright law - it is NOT Freeware.
+ * Any unauthorized use of this software without a valid license
+ * is a violation of the license agreement and will be prosecuted by
+ * civil and criminal law.
+ * http://www.shopmodule.com
+ *
+ * @copyright (C) D3 Data Development (Inh. Thomas Dartsch)
+ * @author        D3 Data Development - Daniel Seifert <support@shopmodule.com>
+ * @link          http://www.oxidmodule.com
+ */
+
+namespace D3\DataWizard\Application\Model\Exceptions;
+
+use D3\DataWizard\Application\Model\QueryBase;
+use Exception;
+use OxidEsales\Eshop\Core\Exception\StandardException;
+
+class TaskException extends StandardException implements DataWizardException
+{
+    /** @var QueryBase */
+    public $task;
+
+    public function __construct( QueryBase $task, $sMessage = "not set", $iCode = 0, Exception $previous = null )
+    {
+        $sMessage = implode(
+            ' - ',
+            [
+                $task->getTitle(),
+                $sMessage
+            ]
+        );
+        parent::__construct( $sMessage, $iCode, $previous );
+
+        $this->task = $task;
+    }
+}