Adding upstream version 18.2.2.upstream/18.2.2

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

1 files changed, 27 insertions, 0 deletions

diff --git a/src/rocksdb/java/rocksjni/snapshot.cc b/src/rocksdb/java/rocksjni/snapshot.cc
new file mode 100644
index 000000000..2a1265a58
--- /dev/null
+++ b/src/rocksdb/java/rocksjni/snapshot.cc
@@ -0,0 +1,27 @@
+// 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 "bridge" between Java and C++.
+
+#include <jni.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "include/org_rocksdb_Snapshot.h"
+#include "rocksdb/db.h"
+#include "rocksjni/portal.h"
+
+/*
+ * Class:     org_rocksdb_Snapshot
+ * Method:    getSequenceNumber
+ * Signature: (J)J
+ */
+jlong Java_org_rocksdb_Snapshot_getSequenceNumber(JNIEnv* /*env*/,
+                                                  jobject /*jobj*/,
+                                                  jlong jsnapshot_handle) {
+  auto* snapshot =
+      reinterpret_cast<ROCKSDB_NAMESPACE::Snapshot*>(jsnapshot_handle);
+  return snapshot->GetSequenceNumber();
+}