1 files changed, 29 insertions, 0 deletions
diff --git a/src/rocksdb/java/rocksjni/jnicallback.h b/src/rocksdb/java/rocksjni/jnicallback.h
new file mode 100644
index 00000000..940ecf06
--- /dev/null
+++ b/src/rocksdb/java/rocksjni/jnicallback.h
@@ -0,0 +1,29 @@
+//  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
+// JNI Callbacks from C++ to sub-classes or org.rocksdb.RocksCallbackObject
+
+#ifndef JAVA_ROCKSJNI_JNICALLBACK_H_
+#define JAVA_ROCKSJNI_JNICALLBACK_H_
+
+#include <jni.h>
+
+namespace rocksdb {
+  class JniCallback {
+   public:
+    JniCallback(JNIEnv* env, jobject jcallback_obj);
+    virtual ~JniCallback();
+
+   protected:
+    JavaVM* m_jvm;
+    jobject m_jcallback_obj;
+    JNIEnv* getJniEnv(jboolean* attached) const;
+    void releaseJniEnv(jboolean& attached) const;
+  };
+}
+
+// @lint-ignore TXT4 T25377293 Grandfathered in
+#endif  // JAVA_ROCKSJNI_JNICALLBACK_H_
+\ No newline at end of file