let a dedicate service serve a stateful process

* includes making ICheck not requiring any context setter
* and IFileCheck extending the IEntityCheck as entity data can be handed in
  via Dispatcher

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

1 files changed, 53 insertions, 0 deletions

diff --git a/lib/public/WorkflowEngine/IEntityCheck.php b/lib/public/WorkflowEngine/IEntityCheck.php
new file mode 100644
index 00000000000..82687a052ba
--- /dev/null
+++ b/lib/public/WorkflowEngine/IEntityCheck.php
@@ -0,0 +1,53 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2019 Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCP\WorkflowEngine;
+
+
+use OCP\Files\Storage\IStorage;
+
+/**
+ * Interface IFileCheck
+ *
+ * @package OCP\WorkflowEngine
+ * @since 18.0.0
+ */
+interface IEntityCheck {
+	/**
+	 * Equips the check with a subject fitting the Entity. For instance, an
+	 * entity of File will receive an instance of OCP\Files\Node, or a comment
+	 * entity might get an IComment.
+	 *
+	 * The implementing check must be aware of the incoming type.
+	 *
+	 * If an unsupported subject is passed the implementation MAY throw an
+	 * \UnexpectedValueException.
+	 *
+	 * @param IEntity $entity
+	 * @param mixed $subject
+	 * @throws \UnexpectedValueException
+	 */
+	public function setEntitySubject(IEntity $entity, $subject): void;
+
+}