Adding upstream version 14.2.21.upstream/14.2.21upstream

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

1 files changed, 31 insertions, 0 deletions

diff --git a/src/rocksdb/java/rocksjni/rocks_callback_object.cc b/src/rocksdb/java/rocksjni/rocks_callback_object.cc
new file mode 100644
index 00000000..874ef337
--- /dev/null
+++ b/src/rocksdb/java/rocksjni/rocks_callback_object.cc
@@ -0,0 +1,31 @@
+//  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++ for
+// JNI Callbacks from C++ to sub-classes or org.rocksdb.RocksCallbackObject
+
+#include <jni.h>
+
+#include "include/org_rocksdb_RocksCallbackObject.h"
+#include "jnicallback.h"
+
+/*
+ * Class:     org_rocksdb_RocksCallbackObject
+ * Method:    disposeInternal
+ * Signature: (J)V
+ */
+void Java_org_rocksdb_RocksCallbackObject_disposeInternal(JNIEnv* /*env*/,
+                                                          jobject /*jobj*/,
+                                                          jlong handle) {
+  // TODO(AR) is deleting from the super class JniCallback OK, or must we delete
+  // the subclass? Example hierarchies:
+  //   1) Comparator -> BaseComparatorJniCallback + JniCallback ->
+  //   DirectComparatorJniCallback 2) Comparator -> BaseComparatorJniCallback +
+  //   JniCallback -> ComparatorJniCallback
+  // I think this is okay, as Comparator and JniCallback both have virtual
+  // destructors...
+  delete reinterpret_cast<rocksdb::JniCallback*>(handle);
+  // @lint-ignore TXT4 T25377293 Grandfathered in
+}
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