Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 34 insertions, 0 deletions

diff --git a/src/rocksdb/java/rocksjni/statisticsjni.h b/src/rocksdb/java/rocksjni/statisticsjni.h
new file mode 100644
index 000000000..ce823f9b1
--- /dev/null
+++ b/src/rocksdb/java/rocksjni/statisticsjni.h
@@ -0,0 +1,34 @@
+// Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+//
+// This file implements the callback "bridge" between Java and C++ for
+// ROCKSDB_NAMESPACE::Statistics
+
+#ifndef JAVA_ROCKSJNI_STATISTICSJNI_H_
+#define JAVA_ROCKSJNI_STATISTICSJNI_H_
+
+#include <memory>
+#include <set>
+#include <string>
+
+#include "monitoring/statistics.h"
+#include "rocksdb/statistics.h"
+
+namespace ROCKSDB_NAMESPACE {
+
+class StatisticsJni : public StatisticsImpl {
+ public:
+  StatisticsJni(std::shared_ptr<Statistics> stats);
+  StatisticsJni(std::shared_ptr<Statistics> stats,
+                const std::set<uint32_t> ignore_histograms);
+  virtual bool HistEnabledForType(uint32_t type) const override;
+
+ private:
+  const std::set<uint32_t> m_ignore_histograms;
+};
+
+}  // namespace ROCKSDB_NAMESPACE
+
+#endif  // JAVA_ROCKSJNI_STATISTICSJNI_H_