1 // Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
2 //  This source code is licensed under both the GPLv2 (found in the
3 //  COPYING file in the root directory) and Apache 2.0 License
4 //  (found in the LICENSE.Apache file in the root directory).
5 
6 #include <jni.h>
7 #include <string>
8 
9 #include "rocksdb/comparator.h"
10 #include "rocksdb/slice.h"
11 
12 #include "include/org_rocksdb_NativeComparatorWrapperTest_NativeStringComparatorWrapper.h"
13 
14 namespace ROCKSDB_NAMESPACE {
15 
16 class NativeComparatorWrapperTestStringComparator : public Comparator {
Name() const17   const char* Name() const {
18     return "NativeComparatorWrapperTestStringComparator";
19   }
20 
Compare(const Slice & a,const Slice & b) const21   int Compare(const Slice& a, const Slice& b) const {
22     return a.ToString().compare(b.ToString());
23   }
24 
FindShortestSeparator(std::string *,const Slice &) const25   void FindShortestSeparator(std::string* /*start*/,
26                              const Slice& /*limit*/) const {
27     return;
28   }
29 
FindShortSuccessor(std::string *) const30   void FindShortSuccessor(std::string* /*key*/) const { return; }
31 };
32 }  // namespace ROCKSDB_NAMESPACE
33 
34 /*
35  * Class: org_rocksdb_NativeComparatorWrapperTest_NativeStringComparatorWrapper
36  * Method:    newStringComparator
37  * Signature: ()J
38  */
Java_org_rocksdb_NativeComparatorWrapperTest_00024NativeStringComparatorWrapper_newStringComparator(JNIEnv *,jobject)39 jlong Java_org_rocksdb_NativeComparatorWrapperTest_00024NativeStringComparatorWrapper_newStringComparator(
40     JNIEnv* /*env*/, jobject /*jobj*/) {
41   auto* comparator =
42       new ROCKSDB_NAMESPACE::NativeComparatorWrapperTestStringComparator();
43   return reinterpret_cast<jlong>(comparator);
44 }
45