--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/memory/metaspace/printMetaspaceInfoKlassClosure.hpp	Wed May 30 17:30:06 2018 +0200
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, SAP and/or its affiliates.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_MEMORY_METASPACE_PRINTMETASPACEINFOKLASSCLOSURE_HPP_
+#define SHARE_MEMORY_METASPACE_PRINTMETASPACEINFOKLASSCLOSURE_HPP_
+
+#include "memory/iterator.hpp"
+#include "utilities/globalDefinitions.hpp"
+
+class outputStream;
+class InstanceKlass;
+
+namespace metaspace {
+
+// Helper class for MetaspaceUtils::print_report()
+class PrintMetaspaceInfoKlassClosure : public KlassClosure {
+private:
+  outputStream* const _out;
+  const bool          _do_print;
+
+public:
+  uintx _num_classes;
+  uintx _num_instance_classes;
+  uintx _num_array_classes;
+
+  PrintMetaspaceInfoKlassClosure(outputStream* out, bool do_print);
+  void do_klass(Klass* k);
+
+}; // end: PrintKlassInfoClosure
+
+} // namespace metaspace
+
+#endif /* SHARE_MEMORY_METASPACE_PRINTMETASPACEINFOKLASSCLOSURE_HPP_ */