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/clock_cache.cc | 42 ++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 src/rocksdb/java/rocksjni/clock_cache.cc

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

diff --git a/src/rocksdb/java/rocksjni/clock_cache.cc b/src/rocksdb/java/rocksjni/clock_cache.cc
new file mode 100644
index 000000000..e04991aa9
--- /dev/null
+++ b/src/rocksdb/java/rocksjni/clock_cache.cc
@@ -0,0 +1,42 @@
+// 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
+// ROCKSDB_NAMESPACE::ClockCache.
+
+#include "cache/clock_cache.h"
+
+#include <jni.h>
+
+#include "include/org_rocksdb_ClockCache.h"
+#include "rocksjni/cplusplus_to_java_convert.h"
+
+/*
+ * Class:     org_rocksdb_ClockCache
+ * Method:    newClockCache
+ * Signature: (JIZ)J
+ */
+jlong Java_org_rocksdb_ClockCache_newClockCache(
+    JNIEnv* /*env*/, jclass /*jcls*/, jlong jcapacity, jint jnum_shard_bits,
+    jboolean jstrict_capacity_limit) {
+  auto* sptr_clock_cache = new std::shared_ptr<ROCKSDB_NAMESPACE::Cache>(
+      ROCKSDB_NAMESPACE::NewClockCache(
+          static_cast<size_t>(jcapacity), static_cast<int>(jnum_shard_bits),
+          static_cast<bool>(jstrict_capacity_limit)));
+  return GET_CPLUSPLUS_POINTER(sptr_clock_cache);
+}
+
+/*
+ * Class:     org_rocksdb_ClockCache
+ * Method:    disposeInternal
+ * Signature: (J)V
+ */
+void Java_org_rocksdb_ClockCache_disposeInternal(JNIEnv* /*env*/,
+                                                 jobject /*jobj*/,
+                                                 jlong jhandle) {
+  auto* sptr_clock_cache =
+      reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::Cache>*>(jhandle);
+  delete sptr_clock_cache;  // delete std::shared_ptr
+}
-- 
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