1 files changed, 63 insertions, 0 deletions
diff --git a/src/rocksdb/java/rocksjni/comparator.cc b/src/rocksdb/java/rocksjni/comparator.cc
new file mode 100644
index 00000000..13f8feb6
--- /dev/null
+++ b/src/rocksdb/java/rocksjni/comparator.cc
@@ -0,0 +1,63 @@
+// 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::Comparator.
+
+#include <jni.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <functional>
+#include <string>
+
+#include "include/org_rocksdb_Comparator.h"
+#include "include/org_rocksdb_DirectComparator.h"
+#include "include/org_rocksdb_NativeComparatorWrapper.h"
+#include "rocksjni/comparatorjnicallback.h"
+#include "rocksjni/portal.h"
+
+// <editor-fold desc="org.rocksdb.Comparator>
+
+/*
+ * Class:     org_rocksdb_Comparator
+ * Method:    createNewComparator0
+ * Signature: ()J
+ */
+jlong Java_org_rocksdb_Comparator_createNewComparator0(JNIEnv* env,
+                                                       jobject jobj,
+                                                       jlong copt_handle) {
+  auto* copt =
+      reinterpret_cast<rocksdb::ComparatorJniCallbackOptions*>(copt_handle);
+  auto* c = new rocksdb::ComparatorJniCallback(env, jobj, copt);
+  return reinterpret_cast<jlong>(c);
+}
+// </editor-fold>
+
+// <editor-fold desc="org.rocksdb.DirectComparator>
+
+/*
+ * Class:     org_rocksdb_DirectComparator
+ * Method:    createNewDirectComparator0
+ * Signature: ()J
+ */
+jlong Java_org_rocksdb_DirectComparator_createNewDirectComparator0(
+    JNIEnv* env, jobject jobj, jlong copt_handle) {
+  auto* copt =
+      reinterpret_cast<rocksdb::ComparatorJniCallbackOptions*>(copt_handle);
+  auto* c = new rocksdb::DirectComparatorJniCallback(env, jobj, copt);
+  return reinterpret_cast<jlong>(c);
+}
+
+/*
+ * Class:     org_rocksdb_NativeComparatorWrapper
+ * Method:    disposeInternal
+ * Signature: (J)V
+ */
+void Java_org_rocksdb_NativeComparatorWrapper_disposeInternal(
+    JNIEnv* /*env*/, jobject /*jobj*/, jlong jcomparator_handle) {
+  auto* comparator = reinterpret_cast<rocksdb::Comparator*>(jcomparator_handle);
+  delete comparator;
+}
+// </editor-fold>