From e6918187568dbd01842d8d1d2c808ce16a894239 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 21 Apr 2024 13:54:28 +0200
Subject: Adding upstream version 18.2.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/rocksdb/java/rocksjni/checkpoint.cc | 71 +++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 src/rocksdb/java/rocksjni/checkpoint.cc

(limited to 'src/rocksdb/java/rocksjni/checkpoint.cc')

diff --git a/src/rocksdb/java/rocksjni/checkpoint.cc b/src/rocksdb/java/rocksjni/checkpoint.cc
new file mode 100644
index 000000000..d7cfd813b
--- /dev/null
+++ b/src/rocksdb/java/rocksjni/checkpoint.cc
@@ -0,0 +1,71 @@
+// 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_NAMESPACE::Checkpoint methods from Java side.
+
+#include "rocksdb/utilities/checkpoint.h"
+
+#include <jni.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <string>
+
+#include "include/org_rocksdb_Checkpoint.h"
+#include "rocksdb/db.h"
+#include "rocksjni/cplusplus_to_java_convert.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_NAMESPACE::DB*>(jdb_handle);
+  ROCKSDB_NAMESPACE::Checkpoint* checkpoint;
+  ROCKSDB_NAMESPACE::Checkpoint::Create(db, &checkpoint);
+  return GET_CPLUSPLUS_POINTER(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_NAMESPACE::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_NAMESPACE::Checkpoint*>(jcheckpoint_handle);
+  ROCKSDB_NAMESPACE::Status s = checkpoint->CreateCheckpoint(checkpoint_path);
+
+  env->ReleaseStringUTFChars(jcheckpoint_path, checkpoint_path);
+
+  if (!s.ok()) {
+    ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
+  }
+}
-- 
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