rust-librocksdb-sys 0.43.0+11.0.4

Native bindings to librocksdb
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94

// 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 MemTables.

#include "include/org_rocksdb_HashLinkedListMemTableConfig.h"
#include "include/org_rocksdb_HashSkipListMemTableConfig.h"
#include "include/org_rocksdb_SkipListMemTableConfig.h"
#include "include/org_rocksdb_VectorMemTableConfig.h"
#include "rocksdb/memtablerep.h"
#include "rocksjni/cplusplus_to_java_convert.h"
#include "rocksjni/portal.h"

/*
 * Class:     org_rocksdb_HashSkipListMemTableConfig
 * Method:    newMemTableFactoryHandle
 * Signature: (JII)J
 */
jlong Java_org_rocksdb_HashSkipListMemTableConfig_newMemTableFactoryHandle(
    JNIEnv* env, jclass /*jcls*/, jlong jbucket_count, jint jheight,
    jint jbranching_factor) {
  ROCKSDB_NAMESPACE::Status s =
      ROCKSDB_NAMESPACE::JniUtil::check_if_jlong_fits_size_t(jbucket_count);
  if (s.ok()) {
    return GET_CPLUSPLUS_POINTER(ROCKSDB_NAMESPACE::NewHashSkipListRepFactory(
        static_cast<size_t>(jbucket_count), static_cast<int32_t>(jheight),
        static_cast<int32_t>(jbranching_factor)));
  }
  ROCKSDB_NAMESPACE::IllegalArgumentExceptionJni::ThrowNew(env, s);
  return 0;
}

/*
 * Class:     org_rocksdb_HashLinkedListMemTableConfig
 * Method:    newMemTableFactoryHandle
 * Signature: (JJIZI)J
 */
jlong Java_org_rocksdb_HashLinkedListMemTableConfig_newMemTableFactoryHandle(
    JNIEnv* env, jclass /*jcls*/, jlong jbucket_count,
    jlong jhuge_page_tlb_size, jint jbucket_entries_logging_threshold,
    jboolean jif_log_bucket_dist_when_flash, jint jthreshold_use_skiplist) {
  ROCKSDB_NAMESPACE::Status statusBucketCount =
      ROCKSDB_NAMESPACE::JniUtil::check_if_jlong_fits_size_t(jbucket_count);
  ROCKSDB_NAMESPACE::Status statusHugePageTlb =
      ROCKSDB_NAMESPACE::JniUtil::check_if_jlong_fits_size_t(
          jhuge_page_tlb_size);
  if (statusBucketCount.ok() && statusHugePageTlb.ok()) {
    return GET_CPLUSPLUS_POINTER(ROCKSDB_NAMESPACE::NewHashLinkListRepFactory(
        static_cast<size_t>(jbucket_count),
        static_cast<size_t>(jhuge_page_tlb_size),
        static_cast<int32_t>(jbucket_entries_logging_threshold),
        static_cast<bool>(jif_log_bucket_dist_when_flash),
        static_cast<int32_t>(jthreshold_use_skiplist)));
  }
  ROCKSDB_NAMESPACE::IllegalArgumentExceptionJni::ThrowNew(
      env, !statusBucketCount.ok() ? statusBucketCount : statusHugePageTlb);
  return 0;
}

/*
 * Class:     org_rocksdb_VectorMemTableConfig
 * Method:    newMemTableFactoryHandle
 * Signature: (J)J
 */
jlong Java_org_rocksdb_VectorMemTableConfig_newMemTableFactoryHandle(
    JNIEnv* env, jclass /*jcls*/, jlong jreserved_size) {
  ROCKSDB_NAMESPACE::Status s =
      ROCKSDB_NAMESPACE::JniUtil::check_if_jlong_fits_size_t(jreserved_size);
  if (s.ok()) {
    return GET_CPLUSPLUS_POINTER(new ROCKSDB_NAMESPACE::VectorRepFactory(
        static_cast<size_t>(jreserved_size)));
  }
  ROCKSDB_NAMESPACE::IllegalArgumentExceptionJni::ThrowNew(env, s);
  return 0;
}

/*
 * Class:     org_rocksdb_SkipListMemTableConfig
 * Method:    newMemTableFactoryHandle0
 * Signature: (J)J
 */
jlong Java_org_rocksdb_SkipListMemTableConfig_newMemTableFactoryHandle0(
    JNIEnv* env, jclass /*jcls*/, jlong jlookahead) {
  ROCKSDB_NAMESPACE::Status s =
      ROCKSDB_NAMESPACE::JniUtil::check_if_jlong_fits_size_t(jlookahead);
  if (s.ok()) {
    return GET_CPLUSPLUS_POINTER(new ROCKSDB_NAMESPACE::SkipListFactory(
        static_cast<size_t>(jlookahead)));
  }
  ROCKSDB_NAMESPACE::IllegalArgumentExceptionJni::ThrowNew(env, s);
  return 0;
}