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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
// 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::WriteBatch methods testing from Java side.
#include <memory>
#include "db/memtable.h"
#include "db/write_batch_internal.h"
#include "include/org_rocksdb_WriteBatch.h"
#include "include/org_rocksdb_WriteBatchTest.h"
#include "include/org_rocksdb_WriteBatchTestInternalHelper.h"
#include "include/org_rocksdb_WriteBatch_Handler.h"
#include "options/cf_options.h"
#include "rocksdb/db.h"
#include "rocksdb/env.h"
#include "rocksdb/memtablerep.h"
#include "rocksdb/status.h"
#include "rocksdb/write_batch.h"
#include "rocksdb/write_buffer_manager.h"
#include "rocksjni/portal.h"
#include "table/scoped_arena_iterator.h"
#include "test_util/testharness.h"
#include "util/string_util.h"
/*
* Class: org_rocksdb_WriteBatchTest
* Method: getContents
* Signature: (J)[B
*/
jbyteArray Java_org_rocksdb_WriteBatchTest_getContents(JNIEnv* env,
jclass /*jclazz*/,
jlong jwb_handle) {
auto* b = reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatch*>(jwb_handle);
assert(b != nullptr);
// todo: Currently the following code is directly copied from
// db/write_bench_test.cc. It could be implemented in java once
// all the necessary components can be accessed via jni api.
ROCKSDB_NAMESPACE::InternalKeyComparator cmp(
ROCKSDB_NAMESPACE::BytewiseComparator());
auto factory = std::make_shared<ROCKSDB_NAMESPACE::SkipListFactory>();
ROCKSDB_NAMESPACE::Options options;
ROCKSDB_NAMESPACE::WriteBufferManager wb(options.db_write_buffer_size);
options.memtable_factory = factory;
ROCKSDB_NAMESPACE::MemTable* mem = new ROCKSDB_NAMESPACE::MemTable(
cmp, ROCKSDB_NAMESPACE::ImmutableCFOptions(options),
ROCKSDB_NAMESPACE::MutableCFOptions(options), &wb,
ROCKSDB_NAMESPACE::kMaxSequenceNumber, 0 /* column_family_id */);
mem->Ref();
std::string state;
ROCKSDB_NAMESPACE::ColumnFamilyMemTablesDefault cf_mems_default(mem);
ROCKSDB_NAMESPACE::Status s =
ROCKSDB_NAMESPACE::WriteBatchInternal::InsertInto(b, &cf_mems_default,
nullptr, nullptr);
unsigned int count = 0;
ROCKSDB_NAMESPACE::Arena arena;
ROCKSDB_NAMESPACE::ScopedArenaIterator iter(
mem->NewIterator(ROCKSDB_NAMESPACE::ReadOptions(), &arena));
for (iter->SeekToFirst(); iter->Valid(); iter->Next()) {
ROCKSDB_NAMESPACE::ParsedInternalKey ikey;
ikey.clear();
bool parsed = ROCKSDB_NAMESPACE::ParseInternalKey(iter->key(), &ikey);
if (!parsed) {
assert(parsed);
}
switch (ikey.type) {
case ROCKSDB_NAMESPACE::kTypeValue:
state.append("Put(");
state.append(ikey.user_key.ToString());
state.append(", ");
state.append(iter->value().ToString());
state.append(")");
count++;
break;
case ROCKSDB_NAMESPACE::kTypeMerge:
state.append("Merge(");
state.append(ikey.user_key.ToString());
state.append(", ");
state.append(iter->value().ToString());
state.append(")");
count++;
break;
case ROCKSDB_NAMESPACE::kTypeDeletion:
state.append("Delete(");
state.append(ikey.user_key.ToString());
state.append(")");
count++;
break;
case ROCKSDB_NAMESPACE::kTypeSingleDeletion:
state.append("SingleDelete(");
state.append(ikey.user_key.ToString());
state.append(")");
count++;
break;
case ROCKSDB_NAMESPACE::kTypeRangeDeletion:
state.append("DeleteRange(");
state.append(ikey.user_key.ToString());
state.append(", ");
state.append(iter->value().ToString());
state.append(")");
count++;
break;
case ROCKSDB_NAMESPACE::kTypeLogData:
state.append("LogData(");
state.append(ikey.user_key.ToString());
state.append(")");
count++;
break;
default:
assert(false);
state.append("Err:Expected(");
state.append(std::to_string(ikey.type));
state.append(")");
count++;
break;
}
state.append("@");
state.append(ROCKSDB_NAMESPACE::NumberToString(ikey.sequence));
}
if (!s.ok()) {
state.append(s.ToString());
} else if (ROCKSDB_NAMESPACE::WriteBatchInternal::Count(b) != count) {
state.append("Err:CountMismatch(expected=");
state.append(
std::to_string(ROCKSDB_NAMESPACE::WriteBatchInternal::Count(b)));
state.append(", actual=");
state.append(std::to_string(count));
state.append(")");
}
delete mem->Unref();
jbyteArray jstate = env->NewByteArray(static_cast<jsize>(state.size()));
if (jstate == nullptr) {
// exception thrown: OutOfMemoryError
return nullptr;
}
env->SetByteArrayRegion(
jstate, 0, static_cast<jsize>(state.size()),
const_cast<jbyte*>(reinterpret_cast<const jbyte*>(state.c_str())));
if (env->ExceptionCheck()) {
// exception thrown: ArrayIndexOutOfBoundsException
env->DeleteLocalRef(jstate);
return nullptr;
}
return jstate;
}
/*
* Class: org_rocksdb_WriteBatchTestInternalHelper
* Method: setSequence
* Signature: (JJ)V
*/
void Java_org_rocksdb_WriteBatchTestInternalHelper_setSequence(
JNIEnv* /*env*/, jclass /*jclazz*/, jlong jwb_handle, jlong jsn) {
auto* wb = reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatch*>(jwb_handle);
assert(wb != nullptr);
ROCKSDB_NAMESPACE::WriteBatchInternal::SetSequence(
wb, static_cast<ROCKSDB_NAMESPACE::SequenceNumber>(jsn));
}
/*
* Class: org_rocksdb_WriteBatchTestInternalHelper
* Method: sequence
* Signature: (J)J
*/
jlong Java_org_rocksdb_WriteBatchTestInternalHelper_sequence(JNIEnv* /*env*/,
jclass /*jclazz*/,
jlong jwb_handle) {
auto* wb = reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatch*>(jwb_handle);
assert(wb != nullptr);
return static_cast<jlong>(
ROCKSDB_NAMESPACE::WriteBatchInternal::Sequence(wb));
}
/*
* Class: org_rocksdb_WriteBatchTestInternalHelper
* Method: append
* Signature: (JJ)V
*/
void Java_org_rocksdb_WriteBatchTestInternalHelper_append(JNIEnv* /*env*/,
jclass /*jclazz*/,
jlong jwb_handle_1,
jlong jwb_handle_2) {
auto* wb1 = reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatch*>(jwb_handle_1);
assert(wb1 != nullptr);
auto* wb2 = reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatch*>(jwb_handle_2);
assert(wb2 != nullptr);
ROCKSDB_NAMESPACE::WriteBatchInternal::Append(wb1, wb2);
}
|
