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lib/pkp/classes/linkAction/request/NullAction.php

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+<?php
+/**
+ * @file classes/linkAction/request/NullAction.php
+ *
+ * Copyright (c) 2014-2021 Simon Fraser University
+ * Copyright (c) 2000-2021 John Willinsky
+ * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
+ *
+ * @class NullAction
+ *
+ * @ingroup linkAction_request
+ *
+ * @brief This action does nothing.
+ */
+
+namespace PKP\linkAction\request;
+
+class NullAction extends LinkActionRequest
+{
+    //
+    // Overridden protected methods from LinkActionRequest
+    //
+    /**
+     * @see LinkActionRequest::getJSLinkActionRequest()
+     */
+    public function getJSLinkActionRequest()
+    {
+        return '$.pkp.classes.linkAction.NullAction';
+    }
+}
+
+if (!PKP_STRICT_MODE) {
+    class_alias('\PKP\linkAction\request\NullAction', '\NullAction');
+}