ceph/src/rocksdb/java/rocksjni/snapshot.cc

   1 // Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
   2 // This source code is licensed under the BSD-style license found in the
   3 // LICENSE file in the root directory of this source tree. An additional grant
   4 // of patent rights can be found in the PATENTS file in the same directory.
   5 //
   6 // This file implements the "bridge" between Java and C++.
   7
   8 #include <jni.h>
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11
  12 #include "include/org_rocksdb_Snapshot.h"
  13 #include "rocksdb/db.h"
  14 #include "rocksjni/portal.h"
  15
  16 /*
  17  * Class:     org_rocksdb_Snapshot
  18  * Method:    getSequenceNumber
  19  * Signature: (J)J
  20  */
  21 jlong Java_org_rocksdb_Snapshot_getSequenceNumber(JNIEnv* env,
  22     jobject jobj, jlong jsnapshot_handle) {
  23   auto* snapshot = reinterpret_cast<rocksdb::Snapshot*>(
  24       jsnapshot_handle);
  25   return snapshot->GetSequenceNumber();
  26 }