Adding upstream version 14.2.21.upstream/14.2.21upstream

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

1 files changed, 67 insertions, 0 deletions

diff --git a/src/rocksdb/java/rocksjni/checkpoint.cc b/src/rocksdb/java/rocksjni/checkpoint.cc
new file mode 100644
index 00000000..f67f0162
--- /dev/null
+++ b/src/rocksdb/java/rocksjni/checkpoint.cc
@@ -0,0 +1,67 @@
+// 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++ and enables
+// calling c++ rocksdb::Checkpoint methods from Java side.
+
+#include <jni.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string>
+
+#include "include/org_rocksdb_Checkpoint.h"
+#include "rocksdb/db.h"
+#include "rocksdb/utilities/checkpoint.h"
+#include "rocksjni/portal.h"
+/*
+ * Class:     org_rocksdb_Checkpoint
+ * Method:    newCheckpoint
+ * Signature: (J)J
+ */
+jlong Java_org_rocksdb_Checkpoint_newCheckpoint(JNIEnv* /*env*/,
+                                                jclass /*jclazz*/,
+                                                jlong jdb_handle) {
+  auto* db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
+  rocksdb::Checkpoint* checkpoint;
+  rocksdb::Checkpoint::Create(db, &checkpoint);
+  return reinterpret_cast<jlong>(checkpoint);
+}
+
+/*
+ * Class:     org_rocksdb_Checkpoint
+ * Method:    dispose
+ * Signature: (J)V
+ */
+void Java_org_rocksdb_Checkpoint_disposeInternal(JNIEnv* /*env*/,
+                                                 jobject /*jobj*/,
+                                                 jlong jhandle) {
+  auto* checkpoint = reinterpret_cast<rocksdb::Checkpoint*>(jhandle);
+  assert(checkpoint != nullptr);
+  delete checkpoint;
+}
+
+/*
+ * Class:     org_rocksdb_Checkpoint
+ * Method:    createCheckpoint
+ * Signature: (JLjava/lang/String;)V
+ */
+void Java_org_rocksdb_Checkpoint_createCheckpoint(JNIEnv* env, jobject /*jobj*/,
+                                                  jlong jcheckpoint_handle,
+                                                  jstring jcheckpoint_path) {
+  const char* checkpoint_path = env->GetStringUTFChars(jcheckpoint_path, 0);
+  if (checkpoint_path == nullptr) {
+    // exception thrown: OutOfMemoryError
+    return;
+  }
+
+  auto* checkpoint = reinterpret_cast<rocksdb::Checkpoint*>(jcheckpoint_handle);
+  rocksdb::Status s = checkpoint->CreateCheckpoint(checkpoint_path);
+
+  env->ReleaseStringUTFChars(jcheckpoint_path, checkpoint_path);
+
+  if (!s.ok()) {
+    rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
+  }
+}