rdb transaction manager

2020-08-26 17:19:29 +03:00
parent a936b9fec8
commit 944c91d842
3 changed files with 210 additions and 2 deletions
@@ -0,0 +1,93 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM - Open Source CRM application.
+ * Copyright (C) 2014-2020 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * EspoCRM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * EspoCRM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\ORM\Repository;
+
+use Espo\ORM\{
+    TransactionManager,
+};
+
+use RuntimeException;
+
+/**
+ * Wrapper for TransactionManager to be used within RDBRepository in beforeSave and afterSave methods.
+ */
+class RDBTransactionManager
+{
+    protected $transactionManager;
+
+    protected $level = 0;
+
+    public function __construct(TransactionManager $transactionManager)
+    {
+        $this->transactionManager = $transactionManager;
+    }
+
+    public function isStarted() : bool
+    {
+        return $this->level > 0;
+    }
+
+    public function start()
+    {
+        if ($this->isStarted()) {
+            throw new RuntimeException("Can't start a transaction more than once.");
+        }
+
+        $this->transactionManager->start();
+
+        $this->level = $this->transactionManager->getLevel();
+    }
+
+    public function commit()
+    {
+        if (!$this->isStarted()) {
+            throw new RuntimeException("Can't commit not started transaction.");
+        }
+
+        while ($this->transactionManager->getLevel() >= $this->level) {
+            $this->transactionManager->commit();
+        }
+
+        $this->level = 0;
+    }
+
+    public function rollback()
+    {
+        if (!$this->isStarted()) {
+            throw new RuntimeException("Can't rollback not started transaction.");
+        }
+
+        while ($this->transactionManager->getLevel() >= $this->level) {
+            $this->transactionManager->rollback();
+        }
+
+        $this->level = 0;
+    }
+}